Genus: Apachesaurus HUNT, 1993
Etymology: For Apache Canyon, Quay County, New Mexico, where the holotype was discovered, and Greek, sauros, "lizard."
= Anaschisma (in part, GREGORY, 1960)
= Dictyocephalus DAVIDOW-HENRY, 1989 non LEIDY, 1856
= Kalamoiketor MURRY & LONG, 1989
Etymology:

Species: gregorii HUNT, 1993
Etymology: In honor of Professor Joseph T. Gregory.

Holotype: UCMP 63845

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: A nearly complete skull.

Paratype:

UCMP 63846: Skull roof impression.

UCMP 63847: Right mandible.

UCMP 63848: Right mandible fragment.

UCMP 63849: Interclavicle.

UCMP 63850: Clavicle fragment.

UCMP 63854: Interclavicle fragment.

UCMP 65312: Vertebra.

UCMP 65313: Skull roof fragment.

UCMP 65328, 65417, 65418, 65550: Centra.

Referred material:

UCMP 4212, UPM 4217: Ilia.

UCMP 53001, YPM 4214-4216, 4219: Limb bones.

UCMP 63832: Skull roof fragment.

UCMP 63046: Left posterior skull fragment.

UCMP 63047, 66540, 65529: Lower jaw fragments.

UCMP 63851: Clavical fragment.

UCMP 63852: Postorbital fragment.

UCMP 63853: Interclavical fragment.

UCMP 63856, 65545, YPM 4217: Ribs.

UCMP 65329: Clavical and interclavicle.

UCMP 65550, NMMNH 17062: Centra.

NMMNH 16948: Left posterior skull fragment.

YPM uncatalogued: Clavicle fragment.

SPIELMANN, & LUCAS, 2012

NMNNH P-4745: Clavicle fragment.

NMMNH P-4753: Intercentrum.

NMMNH P-4755: Skull fragments.

NMMNH P-4764: Lower jaw fragment.

NMMNH P-7104: 28 pectoral adn skull fragments.

NMMNH P-7105: Centrum.

NMMNH P-16948: 2 skull fragments.

NMMNH P-17062: 5 vertebrae.

NMMNH P-25674: Rib fragment.

NMMNH P-25675: Clavical fragment.

NMMNH P-37069: Right rear quadrant of skull.

NMMNH P-39297: 7 interclavical fragments.

YPM, 4201: Right side of skull.

YPM 4202, 4204, -4207, 4209--4333, 4238, 42844303, and 9628: Incomplete left clavicle.

NMMNH P-37069: Posteriorright portion of skull.

NMMNH P-16948: Posterior left portion of skull.

NMMNH P-40503: Left clavicle.

NMMNH P-4764: Right lower jaw.

 

Locality: Bull Canyon, Sec. 2-021, 27-29, and 32-33, T9N, R26E, and sec. 10, T9N, R26E, Guadeloupe County, New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

Number: Not given:

 

Locality: NMMNH locality 1, Revuelto Creek, Secs. 9-10, 14-16, and 21-22, T10N, R33E, Quay County, New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

NMMNH 16901: Nearly complete skull.

NMMNH 4669: Lower jaw fragments.

NMMNH 4589, 4670, 4855, 17491: Centra.

NMMNH P-4670, P-16604: Intercentra.

LONG & MURRY, 1995.

NMMNH P4667: Numerous skull fragments.

NMMNH P4668: Numerous clavicle and interclavicle fragments.

NMMNH P6770: 26 centra.

NMMNH P16604: 6 centra.

 


Locality: Lacey Point, Petrified Forest, Apache County, Arizona.

Horizon: Painted Desert Member, Petrified Forest Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

UCMP 82/39/37: Skull.


Locality: Crosby County, Texas.

Horizon: Tecovas Member, Dockum Formation.

Biostratigraphy:

Age: Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

TTUP 9237: Posterior portion margin of skull.

 

Locality: Miller Quarry (Post Quarry),(TUPP, DMNH Locality 1160), 2 km due south of Cooper Creek on the R. C. Miller's Ranch, 8 km southeast of Post, Lat. 33°31’17”N, Long. 101°18’54"W, 9 miles southeast of Post Garza County, West Texas.

Horizon: Cooper Member, Dockum Formation.

Biostratigraphy:

Age: Carnian Stage, Middle Late Triassic Epoch, Late Triassic.

Material:

LONG & MURRY, 1995

TTUP 9216: Skull and jaws of a small individual.

Note: “small metopsaurid” of DAVIDOW-HENRY, 1989.

GEE, PARKER & MARSH, 2017

Locality: Locality PFV 122, Petrified Forest, Apache County, Arizona.

Horizon: Blue Mesa Member, Lower Petrified Forest Formation, Chinle Group.

Biostratigraphy:

Age: Latest Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

PEFO, 36874a: Intra centra.

 

Locality: Locality PFV 215, Petrified Forest, Apache County, Arizona.

Horizon: Petrified Forest Formation, Chinle Group.

Biostratigraphy:

Age: Latest Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

PEFO 16696a: 3 intracentra.

 

HECERT, LUCAS & HUNT, 2005

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:

Number: Not given:

 

HUNT, 1994

Locality: NMMNH locality 110, East Central New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

NMMNH P-4398: Intercentrum.

 

Locality: NMMNH locality 132, East Central New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

NMMNH P-4589: Intercentrum.

 

Locality: NMMNH locality 160, East Central New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

NMMNH P-4571: Intercentrum.

 


Locality: NMMNH locality 171, East Central New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

NMMNH P-4855: Intercentrum.


Locality: Revuleto Creek, NMMNH locality 467, East Central New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

NMMNH P-16904: Intercentrum.

 


Locality: NMMNH locality 498, East Central New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

NMMNH P-17181: Intercentrum.

 

Locality: NMMNH locality 499, East Central New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

NMMNH P-17181: Intercentrum.


Locality: NMMNH locality 501, East Central New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

NMMNH P-17296: Intercentrum.

 

Locality: NMMNH locality 518, East Central New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

NMMNH P-17370: Intercentrum.

 

Locality: NMMNH locality 519, East Central New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

NMMNH P-17178: Intercentrum.

 

Locality: NMMNH locality 527, East Central New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

NMMNH P-17491: Intercentrum.

 

Locality: San Juan Badlands, East Central New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

UMMP 7441 (in part): Intercentrum.

 

HUNT & LUCAS, 1993

Locality: Dinosaur Hill (Lacey Quarry), UCMP locality V82250, PF40), near Lacey Point, 5 to 8 m above Painted Desert Sandstone 1, Fossil Cove Area, in the northern end of Petrified Forest National Park, Arizona.

Horizon: Painted Desert Member, Upper Petrified Forest Formation, Chinle Group.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

UCMP 82/39/37: Skull with partial mandibular ramus and clavicle.

UCMP uncatalogued: Intercentra possibly associated with UCMP 82/39/37

PEFO uncatalogued: Intercentra.

LONG & MURRY, 1995

Number: Not given: Centrum.

CFMNH: Nearly complete skull with small centra.

UCMP: Several dozen centra and incomplete lower jaw.

In addition to the material listed above, there are a great number of vertebral centra and plate fragments referable to A. gregorii in the UCMP collection from this site which were collected between 1983 and 1987.

 


Locality: Lungfish Locality, SMU 227, Sec. 18, T19N, R24E, 35°3’7"N, 109°50’10"W, Fossil Cove Area, Petrified Forest, Arizona.

Horizon: Member?, Chinle Group.

Biostratigraphy:

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

Material:

PEFO 3909:

 

Locality:

Horizon: Painted Desert Member, Petrified Forest Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

Number: Not given: Intercentrum.


HUNT & LUCAS, 1995

Locality: Canada Colorado, NMMNH locality 149, NW 1/4, SW 1/4, NW 1/4, SE 1/4, Sec. 2, T14N, R10E, 4 km east of Lamy, Santa Fe County, New Mexico.

Horizon: Los Esteros Member, Santa Rosa Formation.

Biostratigraphy:

Age: Adamanian, Latest Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

Number: Not given: Elongate pleurocentra.

 

LONG & MURRY, 1995

Locality: Dinosaur Hollow, PEFO 085101 (PF 20, UCMP V84260), Just above Painted Desert Sandstone 2, Chinde Point N Area, Petrified Forest, Apache County, Arizona.

Horizon: Upper Petrified Forest Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

PEFO 4848: 3 centra.

 

 

Locality: PEFO 085189 (PF46), 8 to 9 m below Painted Desert Sandstone 1, Boot Ridge NE, Lacey Point NW, Petrified Forest, Apache County, Arizona.

Horizon: Upper Petrified Forest Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

UCMP: Centrum and plate fragments.

 

Locality: Dead Wash 2, PEFO 085126 (UCMP V82269, PF65), NW 1/4 of SW 1/4, Sec. 12, and Se 14 of SE 1/4, Sec 11, T 19N, R 24E, Dead Wash Area, Petrified Forest, Apache County, Arizona.

Horizon: Upper Petrified Forest Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

UCMP 130018: Centrum.

 

Locality: Paulcell Shellbed (PF 56), Dry Creek Tank Area, Petrified Forest, Arizona.

Horizon: Upper Petrified Forest Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

UCMP: Centrum.

 

Locality: Karen’s Point (UCMP V82240, PF75), SW 1/4 of SE 1/4, Sec. 23, T 17N, R 24E, on flats below Flattops Sandstone 1 up to and including conglomerate bed, Flattops E Area, Petrified Forest, Arizona.

Horizon: Upper Petrified Forest Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

CFMNH: Skull and lower jaws with centra.

UCMP 129830: Plate fragments.

 

Locality: Rim Tank North, PEFO 05104 (UCMP Loc. V82267, PF25). SW 1/4 of NW 1/4, Sec. 4, T 19N, R 24E, Rim Tank North Area, Petrified Forest, Apache County, Arizona.

Horizon: Upper Petrified Forest Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

CFMNH: Posterior portion of skull deck.

UCMP: Partial centrum.

 

Locality: Milzer Locality, (MNA Loc. 853), Coconino County, Arizona.

Horizon: Owl Rock Member, Upper Chinle Group.

Biostratigraphy:

Age: Late Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

MNA: Skull and plate fragments.

 

Locality: Locality NMMNH L00550, New Mexico.

Horizon: Garita Creek Formation.

Biostratigraphy:

Age: Adamanian, Latest Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

NMMNH P17602: Centrum.

 

Locality: Revuleto Creek, Locality NMMNH L174, New Mexico.

Horizon: Bull Canyon Formation.

Biostratigraphy:

Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material:

NMMNH P16594: 7 fragments pectoral plates.

 


Locality: Apache Canyon, Quay County, (UCMP, YPM), New Mexico.

Horizon: Redonda Formation.

Biostratigraphy:

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

Material:

UCMP V6148/63845, V6148/63846, V6148/63846, YPM 4201: Skulls.

Pectoral elements and centra.

 

Locality: Rotten Hill Bonebed (PPHM WT), Herring Ranch Locality, Rotten Hill, Potter County, Texas.

Horizon: Lower part of the Tecovas Formation, Chinle Group (or Tecovas Member, Dockum Formation).

Biostratigraphy:

Age: Adamanian age, Late Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

PPHM WT 3203: 8 vertebral centra.

 

Locality: Coller’s Ranch, Crosby County, Texas.

Horizon: Tecovas Member, Dockum Formation.

Biostratigraphy:

Age: Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

TTUP 9237: Small Skull, posterior border only.

Note: Referred to Dictyocephalus of DAVIDOW-HENRY, 1989.

 


Locality: TMM Site 1 (TMM Locality 31172), Crosby County, Texas.

Horizon: Tecovas Member, Dockum Formation.

Biostratigraphy:

Age: Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

TMM 31172-524: 3 centra.

 

RINEHART & LUCAS, 2018

Locality: Inadvertent Hills Locality (UCMP V82550), Petrified Forest National Monument, Apache County, Arizona.

Horizon: Painted Desert Member, Petrified Forest Formation, Chinle Group.

Biostratigraphy:

Age: Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

UCMP 171591: Fragmentary skull and dentary of a juvenile.

 

SPIELMANN, LUCAS & HUNT, 2006

Locality: NMMNH Locality 484, Apache Canyon, Quay County, East-Central New Mexico.

Horizon: Redonda Formation, Chinle Group.

Biostratigraphy: Apachean characteristic assemblage.

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

Material:

NMMNH P-17040: Ilium fragment.

NMMNH P-17042: Intercentrum.

 

Locality: NMMNH Locality 2741, Apache Canyon, Quay County, East-Central New Mexico.

Horizon: Wallace Ranch Member, Redonda Formation, Chinle Group.

Biostratigraphy: Apachean characteristic assemblage.

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

Material:

NMMNH Number: Not given: