Genus: Quetzalcoatlus LAWSON, 1975
Etymology: In reference to the Mesoamerican feathered serpent god, Quetzalcoatl.

Species: northropi LAWSON, 1975
Etymology: In honor of John “Jack” Northrop, who developed the tailless flying wing aircraft in the 1940s.
= Nova LAWSON, 1972 (nomen nudum)

Holotype: TMM 41450-3

Locality: TMM locality 41450, 'Pterodactyl Ridge' area, west of Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Left humerus, partial radius, ulna, proximal and distal carpals, metacarpal and 1st and 2nd phalanges of 4th digit.

Referred material:

BROWN, SAGEBIEL & ANDRES, 2021 (2022)

TMM 41450-3.1 (NPS catalog no, BIBE 49947, Field no. DL-5): Left humerus (1).

TMM 41450-3.2 (NPS catalog no, BIBE 49948, Field no. DL-5): Left radius (1).

TMM 41450-3.3 (NPS catalog no, BIBE 49949, Field no. DL-5): Left ulna (2 pieces).

TMM 41450-3.4 (NPS catalog no, BIBE 49950, Field no. DL-5): Left proximal carpal (1).

TMM 41450-3.5 (NPS catalog no, BIBE 49951, Field no. DL-5): Proximal portion of a distal carpal (1).

TMM 41450-3.6 (NPS catalog no, BIBE 49955, Field no. DL-5): Left first phalanx manual digit III (2).

TMM 41450-3.7 (NPS catalog no, BIBE 49956, Field no. DL-5): Left proximal portion of metacarpal II (1).

TMM 41450-3.8 (NPS catalog no, BIBE 49957, Field no. DL-5): Left proximal portion of a metacarpal III (1).

TMM 41450-3.9 (NPS catalog no, BIBE 49952, Field no. DL-5): Left metacarpal IV (4 pieces).

TMM 41450-3.10 (NPS catalog no, BIBE 49953, Field no. DL-5): Left first phalanx manual digit IV shaft (4 pieces).

TMM 41450-3.11 (NPS catalog no, BIBE 49954, Field no. DL-5): Left second phalanx manual digit IV (1).

TMM 41450-3.12 (NPS catalog no, BIBE 49958, Field no. DL-5): Left proximal half first phalanx manual digit II (1).

TMM 41450-3.13 (NPS catalog no, BIBE 49959, Field no. DL-5): Left ungual phalanx manual digit II (1).

TMM 41450-3.14 (NPS catalog no, BIBE 49960, Field no. DL-5): Left third phalanx manual digit IV (1).

TMM 41450-3.15 (NPS catalog no, BIBE 49961, Field no. DL-5): Second phalanx manual digit III (1).

TMM 41450-3.16 (NPS catalog no, BIBE 49961, Field no. DL-5): Ungual phalanx manual digit III (1).

TMM 41450-3.17 (NPS catalog no, BIBE 49961, Field no. DL-5): Phalanx manuald dibit fragments (5).

TMM 41450-4 (NPS catalog no, BIBE 49962, Field no. DL-5): Unidentified bone with associated fragments (1000+).

 

= Quetzalcoatlus cf. northropi ANDRES & LANGSTON, 2021 (published 2022)

Locality: TMM locality 41047, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 41047-1 (Field no. TL 02-03): Left femur (4 piecies).

 

Locality: TMM locality 41398, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 41398-3 (NPS catalog no, BIBE 49963, Field no. DL-1): Proximal third of a left femur (1).

TMM 41398-4 (NPS catalog no, BIBE 49964, Field no. DL-3): Right first phalanx manual digit IV (1).

 

Locality: TMM locality 42889, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 42889-1 (NPS catalog no, BIBE 49751, Field no. WL 422): Cervical vertebra V (1).

 

Locality: TMM locality 44036, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 44036-1 (TL-97-4): Proximal end of left ulna (1).

 

HORTON, 2006

Locality: West of Cottonwood Wash Canyon, Brewster County, Texas.

Horion: Javelina Formation.

Biostratigraphy:

Age: Middle Maastrichtian Stage, Late Senonian Subepoch, Late Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Bone fragment.

_____________________________________________________________________________________

Species: lawsoni ANDRES & LANGSTON, 2021 (2022)
Etymology: In honor of Douglas A. Lawson, the discoverer of Quetzalcoatlus, masculine genitive singular.
= Quetzalcoatlus sp KELLNER & LANGSTON, 1996

Holotype: TMM 4196-1

Locality: TMM locality 41961, abandoned channel-lake deposits of Pterodactyl Ridge, northeast of Big Bend National Park, Brewster County, southwestern part of Texas.

Horizon: Upper Javelina (Tornillo) Formation.

Biostratigraphy:

Age: Lancian Age, Late Maastrichtian Stage, Upper Senonian Stage, Upper Gulf Epoch, Late Cretaceous.

Material:

Referred material:

Locality: TMM locality 41544, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 41544-1 (NPS catalog no, BIBE 49610, Field no. WL 367.3): Unidentified bone (20 + pieces).

TMM 41544-2 (NPS catalog no, BIBE 49611, Field no. WL 367): Right femur (1).

TMM 41544-3 (NPS catalog no, BIBE 49612, Field no. WL 367): Right first phalanx manual digit IV (1).

TMM 41544-4.1 (NPS catalog no, BIBE 49613, Field no. WL 367.10): Cervical vertebra V (1)

TMM 41544-4.2 (NPS catalog no, BIBE 49610, Field no. WL 367.10): Anterior end of cervical vetebra (1) plus shaft (1).

TMM 41544-5 (NPS catalog no, BIBE 49614, Field no. WL 367): Ungual phalanx manual digit (1).

TMM 41544-6 (NPS catalog no, BIBE 49615, Field no. WL 367): Proximal right ungual phalanx manual digit III (1).

TMM 41544-7 (NPS catalog no, BIBE 49616, Field no. WL 367): Right second phalanx digit III (1).

TMM 41544-8 (NPS catalog no, BIBE 49617, Field no. WL 367.3): Cervical vertebra V (1).

TMM 41544-9 (NPS catalog no, BIBE 49618, Field no. WL 367.3): Proxial left humerus (1).

TMM 41544-10 (NPS catalog no, BIBE 49619, Field no. WL 367.3): Distal right humerus (1).

TMM 41544-11 (NPS catalog no, BIBE 49620, Field no. WL 367.3): Fragment of right ulna (3 pieces).

TMM 41544-12 (NPS catalog no, BIBE 49621, Field no. WL 367): Posterior fragment of cervical vertebra VI (1).

TMM 41544-14 (NPS catalog no, BIBE 49623, Field no. WL 367): Unidentified bone, shaft fragment (1).

TMM 41544-15 (NPS catalog no, BIBE 49624, Field no. WL 367.8): Cervical vertebra V (1).

TMM 41544-16 (NPS catalog no, BIBE 49625, Field no. WL 367.9): Cervical vertebra III (1).

TMM 41544-17 (NPS catalog no, BIBE 49626, Field no. WL 367.10): Right femur shaft (1).

TMM 41544-18 (Field no. WL 367.4): Phalanx (1).

TMM 41544-19 (NPS catalog no, BIBE 49628, Field no. WL 367): Right distal syncarpal (1).

TMM 41544-20 (NPS catalog no, BIBE 49629, Field no. WL 367.11): Left second phalanx manual digit IV (2 piecies).

TMM 41544-21 (NPS catalog no, BIBE 49630, Field no. WL 367.4): Left third phalanx manudal dibit IV (1).

TMM 41544-22 (NPS catalog no, BIBE 49631, Field no. WL 367.7): Mandible (1).

TMM 41544-23 (NPS catalog no, BIBE 49632, Field no. WL 367.16): Second phalanx manual digit IV (10 +).

TMM 41544-24 (NPS catalog no, BIBE 49633, Field no. WL 367.20): Left ulna lacking proximal end (2 pieces).

TMM 41544-25 (NPS catalog no, BIBE 49634, Field no. WL 367.12): Right scapulacoracoid (1).

TMM 41544-26 (NPS catalog no, BIBE 49635, Field no. WL 367.12): Left scapulacoracoid (1).

TMM 41544-27 (NPS catalog no, BIBE 49636, Field no. WL 367.6): Right femur lacking proximal end (1).

TMM 41544-28 (NPS catalog no, BIBE 49637, Field no. WL 367.19): Right radius lacking proximal end (1).

TMM 41544-29 (NPS catalog no, BIBE 49638, Field no. WL 367.18): Right first phalanx manual digit IV (2 pieces).

TMM 41544-30 (NPS catalog no, BIBE 49639, Field no. WL 367.21): Left metatarsal IV (1).

TMM 41544-31 (NPS catalog no, BIBE 49640, Field no. WL 367.14): Left first phalanx manual digit III (1).

TMM 41544-32 (NPS catalog no, BIBE 49641, Field no. WL 367.13): Unidentified bone fragment (50 +).

TMM 41544-34.1 (Field no. WL 367.14): Right lateral distal tarsal (1).

TMM 41544-34.2 (Field no. WL 367.14): Right medial distal tarsal (1).

 

Locality: TMM locality 41545, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 41545-1 (NPS catalog no, BIBE 49643, Field no. WL 368 41545): Right proximal syncarpal (1), ?Mate to 42157-2.

 

 

Locality: TMM locality 41546, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 41546-1 (NPS catalog no, BIBE 49644, Field no. WL 369): Left cervical V postzygapophysis (1) and fragments).

TMM 41546-2 (NPS catalog no, BIBE 49645, Field no. WL 369): Cervical III (1).

TMM 41546-3.1 (NPS catalog no, BIBE 49879, Field no. WL 369): Left distal end of metacarpal IV (1).

TMM 41546-3.2 (NPS catalog no, BIBE 49880, Field no. WL 369): Left proximal end of first phalanx manual digit IV (1).

TMM 41546-4 (NPS catalog no, BIBE 49881, Field no. WL 369): Occipital condyle? (1).

TMM 41546-5 (NPS catalog no, BIBE 49882, Field no. WL 369): Right proximal end of humerus? (1).

TMM 41546-6 (NPS catalog no, BIBE 49883, Field no. WL 369): Left porixmal end of humerus? (10 piecies).

TMM 41546-7 (NPS catalog no, BIBE 49884, Field no. WL 369): Right cervical vertebra III prezygapophysis (1).

TMM 41546-8 (NPS catalog no, BIBE 49885, Field no. WL 369): Centrum posterior condyal of cervical vertebra VI (1).

 

Locality: TMM locality 41547, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 41547-1 (NPS catalog no, BIBE 49646, Field no. WL 372): Second phalanx manual digit IV (1).

TMM 41547-2 (NPS catalog no, BIBE 49647, Field no. WL 372): Limb bone shaft fragment (1 in 4 pieces).

TMM 41547-3 (NPS catalog no, BIBE 49647, Field no. WL 372): Right third phalanx manual digit (1).

 

Locality: TMM locality 41954, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 41954-1 (NPS catalog no, BIBE 49657, Field no. WL 392.1): Unidentified bone (1) and fragments (40+1).

TMM 41954-2 (NPS catalog no, BIBE 49658, Field no. WL 392.2): Metacarpal IV shaft (1).

TMM 41954-3 (NPS catalog no, BIBE 49659, Field no. WL 392.3): Fragment of long bone (2 piecies).

TMM 41954-4 (NPS catalog no, BIBE 49660, Field no. WL 392.4): Proximal end of left ulna (1).

TMM 41954-5.1 (NPS catalog no, BIBE 49661, Field no. WL 392.5): Rostral portion of skull (1).

TMM 41954-5.2 (NPS catalog no, BIBE 49661, Field no. WL 392.5): Mandible (1).

TMM 41954-5.3 (NPS catalog no, BIBE 49661, Field no. WL 392.5): Long bone (2).

TMM 41954-6 (NPS catalog no, BIBE 49662, Field no. WL 392.6): Right first phalanx manual digive IV (1).

TMM 41954-7 (NPS catalog no, BIBE 49663, Field no. WL 392.7): Cervical vertebra V (1).

TMM 41954-8.1 (NPS catalog no, BIBE 49664, Field no. WL 392.8): Left metatarsal I (1).

TMM 41954-8.2 (NPS catalog no, BIBE 49738, Field no. WL 392.8): Left metatarsal II (1).

TMM 41954-8.3 (NPS catalog no, BIBE 49739, Field no. WL 392.8): Left metatarsal III (2).

TMM 41954-8.4 (NPS catalog no, BIBE 49739, Field no. WL 392.8): Left metatarsal IV (1).

TMM 41954-8.5 (NPS catalog no, BIBE 49739, Field no. WL 392.8): Laterial distal tarsal (1).

TMM 41954-8.6 (NPS catalog no, BIBE 49739, Field no. WL 392.8): Right metacarpal I (1).

TMM 41954-8.7 (NPS catalog no, BIBE 49739, Field no. WL 392.8): Right metacarpjal II (1).

TMM 41954-8.8 (NPS catalog no, BIBE 49739, Field no. WL 392.8): Right metacarpal III (1).

TMM 41954-8.9 (NPS catalog no, BIBE 49665, Field no. WL A26): Right metacarpal IV shaft (2).

TMM 41954-10 (NPS catalog no, BIBE 49666, Field no. WL A 20): Posterior third of cervical vertebrae IV (1).

TMM 41954-11 (NPS catalog no, BIBE 49667, Field no. WL A21): Left second phalanx manual digit IV (1).

TMM 41954-12 (NPS catalog no, BIBE 49668, Field no. WL A24): Right metacarpal IV distal shaft (1).

TMM 41954-13 (NPS catalog no, BIBE 49669, Field no. WL A14): Ungual phalanx pedal digit (1).

TMM 41954-14 (NPS catalog no, BIBE 49670, Field no. WL A12): Left first phalanx manual digit IV (1).

TMM 41954-20 (NPS catalog no, BIBE 49676, Field no. WL A29): Left proximal radius (1).

TMM 41954-21 (NPS catalog no, BIBE 49677, Field no. WL A18): Left pteroid (1).

TMM 41954-22 (NPS catalog no, BIBE 49678, Field no. WL A22): Right pteriod (1).

TMM 41954-23 (NPS catalog no, BIBE 49679, Field no. WL A17): Unidentified bone (27 fragments).

TMM 41954-25 (NPS catalog no, BIBE 49681, Field no. WL A10): First phalanx manual digit III (1).

TMM 41954-26 (NPS catalog no, BIBE 49682, Field no. WL A): Right proximal humerus (1).

TMM 41954-27 (NPS catalog no, BIBE 49683, Field no. WL A8): Left proximal humerus (1).

TMM 41954-28 (NPS catalog no, BIBE 49684, Field no. WL A6): Left latral distal tarsal (1).

TMM 41954-29 (NPS catalog no, BIBE 49685, Field no. WL A7): Left coracoid (1).

TMM 41954-30 (NPS catalog no, BIBE 49686, Field no. WL A9): Anterior fragment of cervical IV (1).

TMM 41954-31 (NPS catalog no, BIBE 49687, Field no. WL A28): Right prezygapophysis of cervical vertebra V (1).

TMM 41954-32 (NPS catalog no, BIBE 49688, Field no. WL A19): Left first phalanx manual digit II (1).

TMM 41954-33 (NPS catalog no, BIBE 49689, Field no. WL A23): Left distal radius (1).

TMM 41954-34 (NPS catalog no, BIBE 49690, Field no. WL A15): Left proximal carpal (1).

TMM 41954-35 (NPS catalog no, BIBE 49691, Field no. WL A25): Midshaft fragment of a long bone (1).

TMM 41954-36 (NPS catalog no, BIBE 49692, Field no. WL A): Proximal left ulna (1).

TMM 41954-37 (NPS catalog no, BIBE 49693, Field no. WL 458): Right metatarsal V (1).

TMM 41954-39 (NPS catalog no, BIBE 49694, Field no. WL 471.4): Atlantoaxis vertebra (1).

TMM 41954-40 (NPS catalog no, BIBE 49696, Field no. WL 471.9): Cervical vertebra IX (1).

TMM 41954-41 (NPS catalog no, BIBE 49697, Field no. WL 471.10): Crvical vertebra VII (2 pieces).

TMM 41954-42 (NPS catalog no, BIBE 49698, Field no. WL 471.11): Cervical vertebra VIII (1).

TMM 41954-43 (NPS catalog no, BIBE 49699, Field no. WL 471.1): Right distal carpal (1).

TMM 41954-48 (NPS catalog no, BIBE 49700, Field no. WL 471.19): Right proximal syncarpal (1).

TMM 41954-49 (NPS catalog no, BIBE 49701, Field no. WL 471.16): Left first phalanx manual digit III (1).

TMM 41954-50.1 (NPS catalog no, BIBE 49702, Field no. WL 471.17): Right distal half of metacarpal II (1).

TMM 41954-50.2 (NPS catalog no, BIBE 49845, Field no. WL 471.17): Right distal half of metatarapl III (1).

TMM 41954-51 (NPS catalog no, BIBE 49703, Field no. WL 471.18): Right ungual phalanx manual digit I (1).

TMM 41954-52 (NPS catalog no, BIBE 49704, Field no. WL 471.12): Right radius (1).

TMM 41954-53 (NPS catalog no, BIBE 49705, Field no. WL 471.13): Shaft fragment of long bone (5+ in matrix block).

TMM 41954-54 (NPS catalog no, BIBE 49706, Field no. WL 471.14): Right second phalanx manual digit IV (1).

TMM 41954-55 (NPS catalog no, BIBE 49707, Field no. WL 471.15): Distal right ulna (1).

TMM 41954-56 (NPS catalog no, BIBE 49708, Field no. WL 471.23): Distal half of right metacarpal III (1).

TMM 41954-57 (NPS catalog no, BIBE 49709, Field no. WL 471.24): Left half of pelvis and synsacrum (1).

TMM 41954-58 (NPS catalog no, BIBE 49710, Field no. WL 471.3): Left prepubis (1).

TMM 41954-59.1 (NPS catalog no, BIBE 49711, Field no. WL 471.5): Carpal sesamoid (1).

TMM 41954-59.2 (NPS catalog no, BIBE 49711, Field no. WL 471.5): Distal end of right femur (1).

TMM 41954-59.3 (NPS catalog no, BIBE 49711, Field no. WL 471.5): Distal tarsal (1).

TMM 41954-60.1 (NPS catalog no, BIBE 49712, Field no. WL 471.6): Notarium (1).

TMM 41954-60.2 (NPS catalog no, BIBE 49712, Field no. WL 471.6): Left second notarium rib (1).

TMM 41954-60.3 (NPS catalog no, BIBE 49712, Field no. WL 471.6): Right first notarium rib (1).

TMM 41954-61 (NPS catalog no, BIBE 49713, Field no. WL 471.2): Right medial carpal (1).

 

TMM 41954-62 (NPS catalog no, BIBE 49714, Field no. WL 471.7): Most of cranial rostrum, anterior two-thirds of nasoantorbital fenestra, and anterior part of cranial crest, associated with mandible and postcranial elements (1).

TMM 41954-63 (NPS catalog no, BIBE 49715, Field no. WL 471.6): Proximal half of right humerus (1).

TMM 41954-64.1 (NPS catalog no, BIBE 49716, Field no. WL 471.5): Right metatarsal I (1).

TMM 41954-64.2 (NPS catalog no, BIBE 49717, Field no. WL 471.5): Right metatrasl II (1).

TMM 41954-64.3 (NPS catalog no, BIBE 49718, Field no. WL 471.5): Right lateral distal tarsal (1).

TMM 41954-64.4 (NPS catalog no, BIBE 49718, Field no. WL 471.5): Left medial distal tarsal (1).

TMM 41954-64.5 (NPS catalog no, BIBE 49718, Field no. WL 471.5): Proximal end of left metatarsal V (1).

TMM 41954-64.6 (NPS catalog no, BIBE 49718, Field no. WL 471.5): Phalanx pedal digit V (1).

TMM 41954-65 (NPS catalog no, BIBE 49719, Field no. WL 471.6): Cervical vertebra VI (1).

TMM 41954-66 (NPS catalog no, BIBE 49720, Field no. WL 470): Metacarpal IV shaft (4 pieces).

TMM 41954-67 (NPS catalog no, BIBE 49721, Field no. WL 471): Distal und of right ulna (3 pieces).

TMM 41954-68 (NPS catalog no, BIBE 49722, Field no. WL 471.5): Right ungual phalanx manual digit III (1).

TMM 41954-69 (NPS catalog no, BIBE 49723, Field no. WL 471.8): Right pteroid (1).

TMM 41954-70.1 (NPS catalog no, BIBE 49724, Field no. WL 471.25): Right third phalanx manual digit IV (1).

TMM 41954-70.2 (NPS catalog no, BIBE 49743, Field no. WL 471.25): Right proximal end of fourth phalanx manual dibit IV (1).

TMM 41954-71 (NPS catalog no, BIBE 49725, Field no. WL 471.27): Right metacarpal IV (3 pieces).

TMM 41954-72 (NPS catalog no, BIBE 49726, Field no. WL 471.21): Right proximal end of first phalanx manual digit III (1).

TMM 41954-73 (NPS catalog no, BIBE 49727, Field no. WL 471.26): Dorsal vertebra I (1).

TMM 41954-74 (NPS catalog no, BIBE 49728, Field no. WL 471.21): Right proximal carpal (1).

TMM 41954-76 (NPS catalog no, BIBE 49730, Field no. WL A22): Notarium rib in matrix block (1).

TMM 41954-78 (NPS catalog no, BIBE 49732, Field no. WL A14): Ungual phalanx pedal digiv IV (1).

TMM 41954-79 (NPS catalog no, BIBE 49727, Field no. WL 392.7): Distal end of right tibiotarsus (1).

TMM 41954-80 (NPS catalog no, BIBE 49734, Field no. WL 471): Right distal syncarpal (1).

TMM 41954-81 (NPS catalog no, BIBE 49735, Field no. WL 471): Right humerus head (1).

TMM 41954-82 (NPS catalog no, BIBE 49736, Field no. WL 471.6): Metacarpal IV shaft (1).

TMM 41954-83 (NPS catalog no, BIBE 49737, Field no. WL 471.6): Right femur shaft (1).

TMM 41954-84 (NPS catalog no, BIBE 49740, Field no. WL 392.8): Shaft of first phalanx manual digit IV (1).

TMM 41954-85 (NPS catalog no, BIBE 49741, Field no. WL 392.8): Proximal portion of right radius (1).

TMM 41954-86 (NPS catalog no, BIBE 49742, Field no. WL A16): left third phalanx manual digit IV (1).

TMM 41954-87 (NPS catalog no, BIBE 49744, Field no. WL 471.25): Second phalanx pedal digit (1).

TMM 41954-88 (NPS catalog no, BIBE 49745, Field no. WL 471): Posteiror end of cervical vertebra IV (1).

TMM 41954-89 (NPS catalog no, BIBE 49746, Field no. WL 471): Right lateral distal tarsal (1).

TMM 41954-90 (NPS catalog no, BIBE 49747, Field no. WL 392.1): Unidentified bone fragment in concretion.

TMM 41954-91 (NPS catalog no, BIBE 49748, Field no. WL 392.1): Unidentified bone fragment in concretion (1).

 

Locality: TMM locality 41961, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

 

Composite skull.

TMM 41961-1.1 (NPS catalog no, BIBE 49849, Field no. WL 368 41961): Cranial portion of skull (1).

TMM 41961-1.2 (NPS catalog no, BIBE 49850, Field no. WL 368 41961): Mandible without rostal portion (1).

TMM 41961-1.3 (NPS catalog no, BIBE 49851, Field no. WL 368 41961): Left metacarpal IV lacking proximal end (1).

TMM 41961-1.4 (NPS catalog no, BIBE 49852, Field no. WL 368 41961): Left first phalanx manual digit IV (1).

TMM 41961-1.5 (NPS catalog no, BIBE 49853, Field no. WL 368 41961): Left second phalanx manual digit IV (1).

TMM 41961-1.6 (NPS catalog no, BIBE 49854, Field no. WL 368 41961): Left third phalanx manual digit IV (1).

TMM 41961-1.7 (NPS catalog no, BIBE 49855, Field no. WL 368 41961): Left foruth phalanx manual digit IV (1).

TMM 41961-1.8 (NPS catalog no, BIBE 49856, Field no. WL 368 41961): Distal end of left ulna (1).

TMM 41961-1.9 (NPS catalog no, BIBE 49857, Field no. WL 368 41961): Right proximal syncarpal (1).

TMM 41961-1.10 (NPS catalog no, BIBE 49858, Field no. WL 368 41961): Right distal syncarpal (1).

TMM 41961-1.11 (NPS catalog no, BIBE 49859, Field no. WL 368 41961): Right pterygoid (1).

TMM 41961-1.12 (NPS catalog no, BIBE 49860, Field no. WL 368 41961): Left pteroid (3).

TMM 41961-1.13 (NPS catalog no, BIBE 49861, Field no. WL 368 41961): Proximal half of right metacarpal IV (1).

TMM 41961-1.14 (NPS catalog no, BIBE 49862, Field no. WL 368 41961): Right medial carpal (1).

TMM 41961-1.15 (NPS catalog no, BIBE 49863, Field no. WL 368 41961): Right first phalanx manual digit IV (1).

TMM 41961-1.16 (NPS catalog no, BIBE 49864, Field no. WL 368 41961): Right second phalanx manual digit IV (1).

TMM 41961-1.17 (NPS catalog no, BIBE 49865, Field no. WL 368 41961): Right third phalanx manual digit IV (1).

TMM 41961-1.18 (NPS catalog no, BIBE 49866, Field no. WL 368 41961): Second phalanx manual digit III (1).

TMM 41961-1.19 (NPS catalog no, BIBE 49867, Field no. WL 368 41961): Third phalanx manual digit III (1).

TMM 41961-1.2o (NPS catalog no, BIBE 49868, Field no. WL 368 41961): Ungual phalanx manual digit II (1).

TMM 41961-1.21 (NPS catalog no, BIBE 49869, Field no. WL 368 41961): Ungual phalanx manual digit II (1).

TMM 41961-1.22 (NPS catalog no, BIBE 49870, Field no. WL 368 41961): Left femur missing proximal end (1).

TMM 41961-1.23 (NPS catalog no, BIBE 49871, Field no. WL 368 41961): Left tibiotarsus (1).

TMM 41961-1.24 (NPS catalog no, BIBE 49872, Field no. WL 368 41961): Right femur shaft (1).

TMM 41961-1.25 (NPS catalog no, BIBE 49873, Field no. WL 368 41961): Right tibiotarsus (2).

TMM 41961-1.26 (NPS catalog no, BIBE 49874, Field no. WL 368 41961): Right metatarsal II (2).

TMM 41961-1.27 (NPS catalog no, BIBE 49875, Field no. WL 368 41961): Left metatarsal I shaft (1).

TMM 41961-1.28 (NPS catalog no, BIBE 49876, Field no. WL 368 41961): Cervical vertebra V missing anterior portion (1).

TMM 41961-1.29 (NPS catalog no, BIBE 49877, Field no. WL 368 41961): Cervical vertebra VI missing anterior half (1).

TMM 41961-1.30 (NPS catalog no, BIBE 49878, Field no. WL 368 41961): Cervical vertebra VII missing anteiror half (1).

TMM 41961-1.31 (NPS catalog no, BIBE 49878, Field no. WL 368 41961): Distal end of first phalanx pedal digit I (1).

TMM 41961-2 (NPS catalog no, BIBE 49878, Field no. WL 368 41961): Left first phalanx manual digit IV (1).

TMM 41961-4 (NPS catalog no, BIBE 49878, Field no. WL 368 41961): Midshaft of long bone (2).

 

Locality: TMM locality 42138, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 42138-1.1 (NPS catalog no, BIBE 49756, Field no. WL B): Right scapulacoracoid (1).

TMM 42138-1.2 (NPS catalog no, BIBE 49757, Field no. WL B): Right humerus (1).

TMM 42138-1.3 (NPS catalog no, BIBE 49758, Field no. WL B): Right ulna (1).

TMM 42138-1.4 (NPS catalog no, BIBE 49759, Field no. WL B): Distal end of right radius (1).

TMM 42138-1.5 (NPS catalog no, BIBE 49760, Field no. WL B): Anterior end of sternum (1).

TMM 42138-1.6 (NPS catalog no, BIBE 49761, Field no. WL B): Right metacarpal IV (1).

TMM 42138-1.7 (NPS catalog no, BIBE 49762, Field no. WL B): Right first phalanx digit IV (1).

TMM 42138-1.8 (NPS catalog no, BIBE 49763, Field no. WL B): Right second phalanx manual digit IV (1).

TMM 42138-1.9 (NPS catalog no, BIBE 49764, Field no. WL B): Ungual phalanx manual digit II (1).

TMM 42138-1.10 (NPS catalog no, BIBE 49765, Field no. WL B): Right fourth phalanx manual digit IV (1).

TMM 42138-2.1 (NPS catalog no, BIBE 49767, Field no. WL 439): Left tibiotarsus without proximal end (1).

TMM 42138-2.2 (NPS catalog no, BIBE 49768, Field no. WL 439): Left metatarsal V (1).

TMM 42138-2.3 (NPS catalog no, BIBE 49769, Field no. WL 439): Right laterial distal tarsal (1).

TMM 42138-2.4 (NPS catalog no, BIBE 49770, Field no. WL 439): Right medial distal tarsal (1).

TMM 42138-2.5 (NPS catalog no, BIBE 49771, Field no. WL 439): Left second pedal phalanx digit II (1).

TMM 42138-2.6 (NPS catalog no, BIBE 49772, Field no. WL 439): Left third pedal phalanx digit III (1).

TMM 42138-2.7 (NPS catalog no, BIBE 49773, Field no. WL 439): Left fourth pedal phalanx digit IV (1).

TMM 42138-2.8 (NPS catalog no, BIBE 49774, Field no. WL 439): Left ungual pedla phalanx digit II (1).

TMM 42138-2.8 (NPS catalog no, BIBE 49774, Field no. WL 439): Left fourth pedal phalanx digit III (1).

TMM 42138-3 (NPS catalog no, BIBE 49775, Field no. WL 439): First phalanx manual digit II (1).

TMM 42138-4 (NPS catalog no, BIBE 49776, Field no. WL 479): Left first phalanx manual digit III (1).

 

 

Locality: TMM locality 42157, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 42157-2 (NPS catalog no, BIBE 49778, Field no. WL A13): Right distyal syncarpal (1).

 

Locality: TMM locality 42161, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

 

TMM 42161-1.1 (NPS catalog no, BIBE 49779, Field no. WL C3): Cranial portion of skull (1).

TMM 42161-1.3 (NPS catalog no, BIBE 49781, Field no. WL C3): Cervical vertebra III (1).

TMM 42161-1.4 (NPS catalog no, BIBE 49782, Field no. WL C3): Cervical vertebra V (1).

TMM 42161-1.5 (NPS catalog no, BIBE 49783, Field no. WL C3): Cervical vertebra VII (1).

TMM 42161-2 (NPS catalog no, BIBE 49784, Field no. WL C2): Almost complete mandible, lacking tip and left articular (1).

TMM 42161-3 (NPS catalog no, BIBE 49785, Field no. WL C1): Anterior two-thirds of cervical vertebra VI (1).

 

Locality: TMM locality 42180, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 42180-1 (NPS catalog no, BIBE 49786, Field no. WL D1): Cervical vertebra III (1).

TMM 42180-2 (NPS catalog no, BIBE 49787, Field no. WL D2): Cervical vertebra 1 dorsoventrally crushed (1).

TMM 42180-3 (NPS catalog no, BIBE 49788, Field no. WL D3): Anteiror end of cervical vertebra VII (1).

TMM 42180-4 (NPS catalog no, BIBE 49789, Field no. WL D4): Proximal end of left first phalanx manual digit IV (1).

TMM 42180-5 (NPS catalog no, BIBE 49790, Field no. WL D5): Atlantoaxis lacking neural arch portion (1).

TMM 42180-6 (NPS catalog no, BIBE 49791, Field no. WL 429): Left distal syncarpal (1).

TMM 42180-7 (NPS catalog no, BIBE 49792, Field no. WL D6): Fragment of long bone (45 pieces).

TMM 42180-8 (NPS catalog no, BIBE 49793, Field no. WL D6): Right proximal syncarpal (1).

TMM 42180-9 (NPS catalog no, BIBE 49794, Field no. WL D6): Glenoid portion of right scapulacorcoid (1).

TMM 42180-10 (NPS catalog no, BIBE 49795, Field no. WL 429): Dorsal portion with glenoid of left scapulacoracoid (1).

TMM 42180-11 (NPS catalog no, BIBE 49796, Field no. WL D6): Deltopectoral crest of right humerus (1).

TMM 42180-12 (NPS catalog no, BIBE 49797, Field no. WL 429): Anterior end of sternum (1).

TMM 42180-13 (NPS catalog no, BIBE 49798, Field no. WL 429): Long bone shaft (9 pieces).

TMM 42180-14.1 (NPS catalog no, BIBE 49799, Field no. WL D6): Left humerus lacking deltopectoral crest (1).

TMM 42180-14.2 (NPS catalog no, BIBE 49800, Field no. WL D6): Left radius lacking distal end (1).

TMM 42180-14.3 (NPS catalog no, BIBE 49801, Field no. WL D6): Left ulna lacking distal end (1).

TMM 42180-14.4 (NPS catalog no, BIBE 49802, Field no. WL D6): Left medial carpal (1).

TMM 42180-14.5 (NPS catalog no, BIBE 49803, Field no. WL D6): Left metacarpal IV without proximal end (1).

TMM 42180-14.6 (NPS catalog no, BIBE 49804, Field no. WL D6): Right metacarpal IV without distal end (1).

TMM 42180-14.7 (NPS catalog no, BIBE 49805, Field no. WL D6): Left lateral distal tarsal (1).

TMM 42180-14.8 (NPS catalog no, BIBE 49806, Field no. WL D6): Left metatarsal IV proximal end (1).

TMM 42180-14.9 (NPS catalog no, BIBE 49807, Field no. WL D6): Left metatarsal V articualted with 42180-14.7 and 42180-14.8 (1).

TMM 42180-14.10 (NPS catalog no, BIBE 49808, Field no. WL D6): Cervical vertebra VI lacking ends (1).

TMM 42180-14.11 (NPS catalog no, BIBE 49809, Field no. WL D6): Cervical vertebra VII (1).

TMM 42180-14.12 (NPS catalog no, BIBE 49802, Field no. WL D6): Left proximal syncarpal (1).

TMM 42180-14.13 (NPS catalog no, BIBE 49802, Field no. WL D6): Left distal syncarpal (1).

TMM 42180-15 (NPS catalog no, BIBE 49810, Field no. WL 429): Right distal metacarpal IV (1).

TMM 42180-16 (NPS catalog no, BIBE 49811, Field no. WL 438): Fragment of long bone (1).

TMM 42180-17 (NPS catalog no, BIBE 49812, Field no. WL 478): Right distal half of metacarpal IV (1).

TMM 42180-18 (NPS catalog no, BIBE 49813, Field no. WL 420): Left? metatarsal III (1).

TMM 42180-19 (NPS catalog no, BIBE 49814, Field no. WL 419): Cervical vertebra VI (1).

TMM 42180-20 (NPS catalog no, BIBE 49815, Field no. WL 478): Left tibiotarsus lacking distal end (1).

TMM 42180-21.1 (NPS catalog no, BIBE 49816, Field no. WL 478): Right second phalanx digit IV lacking distal end (1).

TMM 42180-21.2 (NPS catalog no, BIBE 49817, Field no. WL 478): Right third phalanx digit IV proximal end (1).

TMM 42180-22 (NPS catalog no, BIBE 49817, Field no. WL 478): Bone fragment (2 pieces).

TMM 42180-23 (NPS catalog no, BIBE 49819, Field no. WL 478): Fragment of long bone (1).

TMM 42180-24 (NPS catalog no, BIBE 49820, Field no. WL 478): Fragment of premaxillonasal bar (16).

TMM 42180-25 (NPS catalog no, BIBE 49821, Field no. WL 478): Bone fragment (1) with associated fragments (7).

 

Locality: TMM locality 42246, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 42246-1 (NPS catalog no, BIBE 49822, Field no. WL 433): Right distal carpal (1).

TMM 42246-2 (NPS catalog no, BIBE 49823, Field no. WL 434): Right proxial carpal with pathology (1).

TMM 42246-3 (NPS catalog no, BIBE 49824, Field no. WL 482): Notarium (1).

TMM 42246-4 (NPS catalog no, BIBE 49825, Field no. WL 434): First phalanx manual digit IV midshaft (4).

 

Locality: TMM locality 42259, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 42259-1.1 (NPS catalog no, BIBE 49826, Field no. WL 421): Anterior end of cervical vertebra VI (1).

TMM 42259-1.2 (NPS catalog no, BIBE 49866, Field no. WL 421): Cervical vertebra VII (1).

 

Locality: TMM locality 42272, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 42272-1 (NPS catalog no, BIBE 49827, Field no. WL 423.1): Proximal shaft of left femur (3).

TMM 42272-2 (NPS catalog no, BIBE 49828, Field no. WL 423.2): Midshaft of left tibiotarsus (2).

TMM 42272-3 (NPS catalog no, BIBE 49829, Field no. WL 423.3): Fragment of long bone (15).

TMM 42272-4 (NPS catalog no, BIBE 49733, Field no. WL 423.3): First phalanx manual digit IV (2).

 

 

Locality: TMM locality 42297, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 42297-1 (NPS catalog no, BIBE 49830, Field no. WL 456): Midshaft of right femur.

 

Locality: TMM locality 42422, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 42422-1 (NPS catalog no, BIBE 49831, Field no. WL 467.29): Left radius (1).

TMM 42422-2 (NPS catalog no, BIBE 49832, Field no. WL 467.28): Left first phalanx manual digit (1).

TMM 42422-3 (NPS catalog no, BIBE 49833, Field no. WL 467.26): Left distal syncapral (1).

TMM 42422-4 (NPS catalog no, BIBE 49834, Field no. WL 467.27): Left proximal syncarpal (1).

TMM 42422-5 (NPS catalog no, BIBE 49835, Field no. WL 467.33): Left second phalanx manual digit IV (1).

TMM 42422-6.1 (NPS catalog no, BIBE 49836, Field no. WL 467.31): Left third phalanx manual digit IV (1).

TMM 42422-6.2 (NPS catalog no, BIBE 49837, Field no. WL 467.31): Left fourth phalanx manual digit IV (1).

TMM 42422-7 (NPS catalog no, BIBE 49838, Field no. WL 467.17): Cervical vertebra IX (1).

TMM 42422-8 (NPS catalog no, BIBE 49839, Field no. WL 467.11): Cervical vertebra VIII (1).

TMM 42422-9 (NPS catalog no, BIBE 49840, Field no. WL 467.32): Right tibiotarsus (1).

TMM 42422-10 (NPS catalog no, BIBE 49841, Field no. WL 467.25): Left tibiotarsus (1).

TMM 42422-11 (NPS catalog no, BIBE 49842, Field no. WL 467.24): Left tibiotarsus (1).

TMM 42422-12 (NPS catalog no, BIBE 49843, Field no. WL 467.13): Right scapulacoracoid (1).

TMM 42422-13 (NPS catalog no, BIBE 49844, Field no. WL 467.5): Left ulna (1).

TMM 42422-14 (NPS catalog no, BIBE 49906, Field no. WL 467.30): Right ungual phalanx manual digit II (1).

TMM 42422-15.1 (NPS catalog no, BIBE 49904, Field no. WL 467.22): Left first phalanx manual digit I (1).

TMM 42422-15.2 (NPS catalog no, BIBE 49905, Field no. WL 467.22): Left ungual phalanx manual digit I (1).

TMM 42422-16 (NPS catalog no, BIBE 49912, Field no. WL 467.23): Right metatarsal V (1).

TMM 42422-17 (NPS catalog no, BIBE 49907, Field no. WL 467.2): First phalanx manual digit IV (1).

TMM 42422-18 (NPS catalog no, BIBE 49908, Field no. WL 467.3): Right humerus (1).

TMM 42422-19 (NPS catalog no, BIBE 49909, Field no. WL 467.7): Left first phalanx manual digit II (1).

TMM 42422-20 (NPS catalog no, BIBE 49910, Field no. WL 467.8): Cervical vertebra IV (1).

TMM 42422-21 (NPS catalog no, BIBE 49911, Field no. WL 467.19): Left first phalanx manual digit III (1).

TMM 42422-22 (NPS catalog no, BIBE 49913, Field no. WL 467.18): Cervical vertebra V (1).

TMM 42422-23 (NPS catalog no, BIBE 49914, Field no. WL 467.9): Left humerus without deltoid crest (1).

TMM 42422-24 (NPS catalog no, BIBE 49915, Field no. WL 467.14): Cervical vertebra III (1).

TMM 42422-25 (NPS catalog no, BIBE 49916, Field no. WL 467.21): Left scapulacoracoid (1).

TMM 42422-26 (NPS catalog no, BIBE 49917, Field no. WL 467.1): Left ulna distal end (1) with fragments (8).

TMM 42422-27 (NPS catalog no, BIBE 49920, Field no. WL 467.34): Proximal right femur (1).

TMM 42422-28 (NPS catalog no, BIBE 49921, Field no. WL 467.20): Right femur (2 pieces).

TMM 42422-29 (NPS catalog no, BIBE 49922, Field no. WL 467.12): Central portion of sternum (1).

TMM 42422-30 (NPS catalog no, BIBE 49923, Field no. WL 467.2): Skull; quadrate, quadrate, jugal and maxilla (2 pieces).

TMM 42422-31 (NPS catalog no, BIBE 49918, Field no. 42422): Cervical vertebra VII (1).

TMM 42422-32 (NPS catalog no, BIBE 49919, Field no. WL 467.12): Cervical vertebra VI (1).

TMM 42422-37 (NPS catalog no, BIBE 49926, Field no. WL 467.11): Carpal sesamoid (1).

TMM 42422-38 (NPS catalog no, BIBE 49927, Field no. WL 467): Long bone shft (1, shattered in 3 matrix chunks).

TMM 42422-39 (NPS catalog no, BIBE 49917): Premaxillonasal bar (1).

 

 

Locality: TMM locality 42462, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 42462-1 (NPS catalog no, BIBE 49695, Field no. WL 435): Posterior portion of cervical vertebra IV (1).

 

Locality: TMM locality 42521, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 42521-1 (NPS catalog no, BIBE 49886, Field no. WL C float): Fragmentary rib in matrix (15 pieces).

 

Locality: TMM locality 44037, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 44037-1 (Field no. TL 93-2): Midshaft fragments of long bone (2).

TMM 44037-2 (Field no. TL 93-2): Midshaft fragments of long bone (1).

 

Locality: TMM locality 44048, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 44048-1.1: Left medial carpal (1).

TMM 44048-1.2: Sesamoid (1).

 

Locality: TMM locality 45977, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 44077-1 (NPS catalog no, BIBE 49753, Field no. 45977): Long bone shaft fragments (1).

TMM 44077-2 (NPS catalog no, BIBE 49900, Field no. 45977): Long bone shaft fragments (1).

 

Locality: TMM locality 45997, 'Pterodactyl Ridge' area, Dawson Creek, 3.2 kilometers west of Maverick Ranger Station, Big Bend National Park, Brewster County, Texas.

Horizon: Lower part of the Javelina (Tornillo) Formation, Tornillo Group.

Biostratigraphy:

Age: Lancian age, Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 45997-1.1 (NPS catalog no, BIBE 49894, Field no. WL 489): Right metacarpal IV without proximal end (1).

TMM 45997-1.2 (NPS catalog no, BIBE 49895, Field no. WL 489): Right proximal first phalanx manual digit IV (1).

TMM 45997-1.3 (NPS catalog no, BIBE 49896, Field no. WL 489): Right distal syncarpal (1).

TMM 45997-1.4 (NPS catalog no, BIBE 49897, Field no. WL 489): Distal end of right ulna (1).

TMM 45997-1.5 (NPS catalog no, BIBE 49898, Field no. WL 489): Right proximal syncarpal (1).

TMM 45997-1.6 (NPS catalog no, BIBE 49899, Field no. WL 489): Third phalanx manual digit IV (1).

TMM 45997-2 (NPS catalog no, BIBE 49901, Field no. WL 489): Third phalanx manual digit IV (1).

TMM 45997-3 (NPS catalog no, BIBE 49902, Field no. WL 489): Distal end of first phalanx manual digit II (1).

TMM 45997-4 (NPS catalog no, BIBE 49903, Field no. WL 489): Neural arch fragment of cervical vertebra (1).

 

HOWSE, 1986

BMNH R9323: Cast of TMM 41544.8

BMNH R9325: Cast of TMM 41544.15

BMNH R9326: Cast of TMM 41544.16

LANGSTON, 1981

TMM?: Humerus of a juvenile?

 

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