Genus: Kritosaurus BROWN, 1910
Etymology: Greek, kritos, “separateed, divided, chosen” (form krino, “separat, divide”) and Greek, sauros, “lizard”: “separated lizard”.
= Krikotosaurus de LAPPARENT, 1978 (sic)
= Kristosaurus YOUNG, 1958 (sic)
= Kritosaurus NAGAO, 1936 (sic)

Species: navajovius BROWN, 1910
Etymology:
= Hadrosaurus navajovius (BROWN, 1910)
= Kritosaurus novajovous STOKES, 1988 (sic)

Holotype: AMNH 5799

Locality: Near Ojo Alamo, New Mexico.

Horizon: De-na-zin Member (not Naashoibito Member), Lower Kirtland Formation.

Biostratigraphy:

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

Material: Fragmentary skull, dentary, premaxilla, and atlas.

KIRKLAND, HERNANDEZ-RIVERA, GATES, PAUL, NESBITT, SERRANO-BRANAS & GARCIA-DE LA GARZA, 2006

These authors report unspecified bone from the posterior narial opening and lower portion of right premaxilla.

Modifed via KIRKLAND, HERNANDEZ-RIVERA, GATES, PAUL, NESBITT, SERRANO-BRANAS, & GARCIA-DE LA GARZA, 2006

Referred material:

ARMSTRONG-ZIEGLER, 1978

Locality: MNA 105, 30 miles southwest of Farmington, New Mexico.

Horizon: Fruitland Formation.

Biostratigraphy:

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

Material:

MNA Pl. 1626: Several isolated teeth.

 

= Kritosaurus cf. navajovius LEHMAN, 1989

Locality: TMM 42452, Rattlesnake Mountain, Big Bend National Park, Texas.

Horizon: Aguja Formation.

Biostratigraphy:

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

Material:

Number: Not given: Maxilla, dentary, jugal and quadratojugal, and fragmentary skeleton.

 

= Kritosaurus cf. navajovius MATEER, 1981

Locality: South Flank of Kimbeto Wash, T22N, R9W, San Juan County, New Mexico.

Horizon: Naashoibito Member, Latest Kirtland Formation.

Biostratigraphy:

Age: Kirtlandian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

PMU R231: Left ilium.

PMU R224: Left pubis.

PMU R223: Left humerus.

PMU R226: Left ischium.

PMU R245: Sternum.

HUNT, LUCAS & NIALL, 1993

Locality: North flank of Betonnie Tsosie Wash, Secs. 7-8, ?18, T23N, R9W, = “3 miles South of Kimbeto Station” and “2 miles south of Kimbeto”, San Juan Basin, New Mexico.

Horizon: Lower Kirtland Formation.

Biostratigraphy:

Age: Kirtlandian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

PMU.R unnumbered: Right ilium.

 

= cf. Kritosaurus navajovius SULLIVAN, 2006

Locality: Bob's Bloody Bluff, SMP locality 396, Ah-Shi-Sle-Pah Wilderness Study Area, San Juan Basin, San Juan County, New Mexico.

Horizon: Fossil Forest Member, Fruitland Formation.

Biostratigraphy:

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

Material:

SMP VP-1527: Nearly complete right maxilla and teeth.

Locality: Eagle's Nest Flat, SMP locality 398, Ah-Shi-Sle-Pah Wilderness Study Area, San Juan Basin, San Juan County, New Mexico.

Horizon: Fossil Forest Member, Fruitland Formation.

Biostratigraphy:

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

Material:

SMP VP-1662: Upper margin of right maxilla.

 


WOLBERG, HALL, BELLIS, CHAVEZ, ANDERSON, MORO & GIL, 1988

Locality: Fossil Forest Locality, near Split Lip Flats, San Juan Basin, San Juan County, New Mexico.

Horizon: Fruitland Formation.

Biostratigraphy:

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

Material:

Number: Not given: