Genus: Redondasaurus HUNT & LUCAS, 1993
Etymology: From the Redonda Formation and Greek, sauros, "lizard."

Species: gregorii HUNT & LUCAS, 1993
Etymology: In honor of J. T. Gregory.

Holotype: YPM 3294

Locality: Shark Tooth Hill, NMMNH Locality 487, T9N, R34E, Sec 28, SE1/4, E1/4, NE1/4, Wheatland 7.5’ 1972, South of San Jon, (YPM), Apache Canyon, Quay County, East-Central New Mexico.

Horizon: Duke Ranch Member, Upper Redonda Formation, Chinle Group.

Biostratigraphy: Apachean characteristic assemblage.

Age: Apachean, Late Norian Stage- Rhaetian Stage, Upper Late Triassic Epoch, Late Late Triassic.

Material: Skull.

Referred material:

HECKERT, HARRIS & LUCAS, 2000

Locality: NMMNH locality 4211, East-Central New Mexico.

Horizon: Redonda Formation.

Biostratigraphy:

Age: Apachean, Late Norian Stage- Rhaetian Stage, Upper Late Triassic Epoch, Late Late Triassic.

Material:

NMMNH P-31094: Skull lacking most of snout of a huge skull.

NMMNH P-31097: Palatal skull element.

NMMNH P-31098: A small right femur.

NMMNH P-31099: A large right ulna.

NMMNH P-31101: An incomplete large right ilium.

NMMNH P-31102: A small incomplete interclavicle.

NMMNH P-31095: A small skull.

Numbers: Not given:

2 vertebrae, 27 rib fragments, 50 scutes, 93 phytosaur teeth, 94 other bone fragments.

HOFFMAN, MILLER-CAMP & HECKERT, 2021

Type 1

NMMNH P-36184, P-36185: 2 teeth.

Type B

NMMNH P-36186: Tooth.

=Pseudopalatus sp LUCAS, MARZOLF, & ANDERSON, 1997

Locality: Big Indian Rock, Lisbon Valley, Southeast Utah.

Horizon: Base of Wingate Sandstone.

Biostratigraphy:

Age: Apachean, Late Norian Stage, Upper Late Triassic Epoch, Late Late Triassic.

Material:

MNA V3498: Impression of a skull roof.

 

SPIELMANN, & LUCAS, 2012

Locality: Arizona.

 

Horizon: Painted Destert Member, Petrified Forest Formation.

 

Biostratigraphy:

 

Age: Late Triassic.

 

Material:

 

UCMP V78034/119436: Incomplete female skull.

 

 

 

Locality: Undocumented locality, Apache Canyon, Quay County, New Mexico.

 

Horizon: Redonda Formation, Chinle Group.

Biostratigraphy: Apachean characteristic assemblage.

Age: Apachean, Rhaetian, Late Norian Stage, Late Triassic Epoch, Late Late Triassic.

 Material:

MCCDM 1692: Incomplete posterior portion of a skull.

 

Locality: MCCDM locality, Puerco Canyon, Quay County, New Mexico.

Horizon: Lowermost San Jon Creek Member, Redonda Formation, Chinle Formation.

Biostratigraphy: Apachean characteristic assemblage.

Age: Apachean, Rhaetian, Late Norian Stage, Late Triassic Epoch, Late Late Triassic.

Material:

MCCDM: Posterior portion of a skull.

 

Locality: MCCDM locality, Puerco Canyon, Quay County, New Mexico.

Horizon: Upermost Quay Member, Redonda Formation, Chinle Formation.

Biostratigraphy: Apachean characteristic assemblage.

Age: Apachean, Rhaetian, Late Norian Stage, Late Triassic Epoch, Late Late Triassic.

Material:

MCCDM: Unprepared skull.

 

 

 

 

Locality: Quarry 2 of J. T. Gregory, (YPM locality 6649, UCMP locality 6148, NMMNH locality 485), NE 1/4, NE 1/4, NW 1/4 Section 3, T8N, R33E, Apache Canyon, Quay County, New Mexico.

Horizon: Lower Duke Ranch Member, Upper Redonda Formation, Chinle Group.

Biostratigraphy: Apachean characteristic assemblage.

Age: Apachean, Rhaetian, Late Norian Stage, Late Triassic Epoch, Late Late Triassic.

 

Material:

NMMNH P-4983: Adult male skull.

NMMNH P-22314: Neural spine, scapula and coracoid fragments.

UCMP 65256, 65301: Ribs.

UCMP 65257, 65524: Vertebrae.

UCMP 65259, 65320, 65321, 65322, 65323, 65413, 65421, 65525, 65528, 65539, 65541: Osteoderm.

UCMP 65260, 65261: Humerii.

UCMP 65264, 65298, 65299, 65300: Gastralia.

UCMP 65265: Dentary.

UCMP 65266: Neural arch of vertebra.

UCMP 65267: Ilium.

UCMP 65302, 65303: Dorsal osteoderms.

UCMP 65305: Articular.

UCMP 65309: Cervical osteoderm.

UCMP 65311: Phalanx.

UCMP 65324-65327, 65534-65538: Teeth.

UCMP 65527: Metapodial.

UCMP 65542: Caudal vertebra.

UCMP 65543: Phalanx.

YPM 7900: Right radius.

YPM 9987: Left ilum.

YPM 9898: Interclavicle.

YPM 9899: Right ilium.

 

Locality: NMMNH locality 8132 (ENMU locality), western side of Dripping Springs Canyon, Curry County, New Mexico.

Horizon: Lower Duke Ranch Member, Upper Redonda Formation, Chinle Group.

 

Biostratigraphy: Apachean characteristic assemblage.

 

Age: Apachean, Late Norian Stage- Rhaetian Stage, Upper Late Triassic Epoch, Late Late Triassic.

 

Material:

ENMU uncatalogued: Skull and associated postcrania.

 

= Rutiodon sp STOVALL & SAVAGE, 1939

Locality: ?Sloan Canyon, Big Cimaroon Valley, 11 miles (17.6 km) west of Kenton Oklahoma, Secs. 11-12, T 31N, R 35E, in the valley of the dry Cimaroon River, Union County, New Mexico.

Horizon: Traveser Formation.

Biostratigraphy:

Age: Lower Norian Stage, Late Triassic Epoch, Late Triassic.

Material:

OMNH 1250: Skull, anterior half of lower jaw, and scutes.

Note: LONG & MURRY, 1995 refer this genus to Pseudopalatus pristinus.


_____________________________________________________________________________________

Species: bermani HUNT & LUCAS, 1993
Etymology: In honor of David S. Berman.

Holotype: CM 69727

Locality: Whitaker Quarry/Coelophysis Quarry, SE 1/4, SE. 1/4, SW 1/4, Section 1, Township 24 North, Range 4 East, Rio Arriba County, New Mexico.

Horizon: Rock Point Formation, Chinle Group.

Biostratigraphy:

Age: Apachean, Late Norian Stage, Upper Late Triassic Epoch, Late Late Triassic.

Material: Skull.

Referred Material:

RINEHART, LUCAS, HECKERT, SPIELMANN & CELESKEY, 2009

NMMNH P-44920: Nearly complete juvenile skull.

 

Locality: Dry Cimarron Valley, Northeastern New Mexico.

Horizon: Sloan Canyon Formation.

Biostratigraphy:

Age: Apachean, Late Norian Stage, Upper Late Triassic Epoch, Late Late Triassic.

Material:

OMNH 739: Skull.

Note: This species it referred to Arribasuchus buceros by LONG & MURRY, 1995