Species: rugosus (EMMONS, 1858)
Etymology:
= Polyptychodon rugosus EMMONS, 1858
= Crocodilus rugosus (EMMONS, 1858)

Holotype: USNM 7443

Locality: Elizabethtown, Bladen County, North Carolina.

Horizon: Black Creek Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Teeth.

Referred material:

GALLANGER, PARRIS & SPAMER, 1986

Locality: Ellisdale, Monmouth County, New Jersey.

Horizon: Basal Marshalltown Formation, Matawan Group.

Biostratigraphy:

Age: Upper Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

NJSM 10854:

NJSM 12463:

NJSM 13772,

NJSM 13933:

NJSM 13929:

Note: the material is Large dermal osteoscute, tooth, large pubis.

HORNER, 1979

ANSP 9150: Vertebra.

 

HARTSTEIN, DECINA & KEIL, 1999

Locality: Near the town of Bowie, 76°42’30”, 38°57’50:, Prince Georges County, Maryland.

Horizon: Severn Formation.

Biostratigraphy:

Age: Early Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.

Material:

Gotsis collection: Tooth.

 

MILLER, 1967

Locality: Phoebus Landing, Bladen County, North Carolina.

Horizon: Black Creek Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

ANSP 15308: Teeth.

ANSP 15309: Scutes.

ANSP 15310, USNM 7443: Vertebrae.

 

SCHWIMMER, 1986, 2002

Locality: Chattahoochee River Valley, Western Georgia.

Horizon: Blufftown Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

CCK-85-3-3, CCK-84-11-1: Teeth.

Number: Not given: Nearly complete lower jaw.

 

SCHWIMMER, 2002

Locality: Jones Dams Site, Lowndes County, Alabama.

Horizon: Mooreville Chalk, Selma Group.

Biostratigraphy: Middle Tylosaurus Acme-zone – Clidastes Acame zone.

Age: Niobraran age, Upper Santonian-Lower Campanian Stage, Senoniain Subepoch, Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Skull missing posterior end.

 

Locality: Lee County, Mississippi.

Horizon: Coffee Sand Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Skull missing anterior end.

 

Locality: Hannahatchee Creek, Georgia.

Horizon: Blufftown Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Teeth.

 

SCHWIMMER & WILLIAMS, 1996

Locality:

Horizon:

Biostratigraphy:

Age: Early Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Partial right mandible.

 

= Pliogonodon priscus LEIDY, 1856 (nomen dubium)
Etymology:

Holotype: USNM 7448

Locality: Cape Fear, North Carolina.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material: 2 teeth.

 

= Polydectes biturgidus COPE, 1869
Etymology:

Holotype: USNM 7188

Locality: Sampson County, North Carolina.

Horizon: Marl pits.

Biostratigraphy:

Age: Late Cretaceous.

Material: Tooth.

 

= Gorgosaurus? MILLER, 1967

Locality: Phoebus Landing, Bladen County, North Carolina.

Horizon: Black Creek Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

ANSP 15303: Anterior portion of a right maxilla.

_____________________________________________________________________________________

Species: hatcheri HOLLAND, 1909
Etymology:

Holotype: CM 963

Locality: Willow Creek, 3 miles west of Nolan and Archer's Ranch, in Fergus County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

Breakdown as follows;

CM 963/1: 7th dorsal vertebra.

CM 963/2: Last lumbar vertebra.

CM 963/3: Cervical rib.

CM 963/4: Dorsal ribs.

CM 963/11: Right pubis.

CM 963/12, 963/13, 963/15: Cervical scutes.

CM 963/14: Dorsal scute.

CM 963/16: Sacro-caudal scute.

Note: Originally thought to belong to Stereocephalus tutus. LULL, 1921 has a note on the bottom of page 121 about Deinosuchus scutes.

Referred material:

BREITHAUPT, 1985

Locality: Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

Age: Judithian Age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

Number: Not given:

_____________________________________________________________________________________

Species: riograndensis (COLBERT & BIRD, 1954)
Etymology:
= Phobosuchus riograndensis COLBERT & BIRD, 1954

Holotype: AMNH 3073

Locality: East of Fresno Creek in the Big Bend National Park, on the south side of the Castellan trail, coming from Glenn Spring, about 1/4 mile north of a large quarry, excavated by the Works Progress
Administration, Brewster County, Texas.

Horizon: Aguja Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: Left and right premaxillae, anterior portion of right maxilla, symphyseal portion of right and left, left articular with posterior portion of left surangular, part of left dentary, teeth, probable 12th presacral vertebra, part of right? ilium and right scapula.

Referred material:

LEHMAN, 1989

Locality: About 4 miles north of San Vicente, Big Bend National Park, Brewster County, Texas.

Horizon: Aguja Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

Number: Not given: Crushed skull and dentary.

Note: This skull shows that it had a more Alligator-like skull than the type skull has shown.