Apache Canyon, NMMNH L-485 (Triassic of the United States)

Also known as Gregory's Quarry 2, UCMP 6148, YPM 6649

Where: Quay County, New Mexico (34.9° N, 103.4° W: paleocoordinates 9.8° N, 43.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Duke Ranch Member (Redonda Formation), Norian (228.0 - 208.5 Ma)

• Apachean LVF. Upper part of the formatiom

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; pebbly, argillaceous conglomerate

• "an unchannelized flow (flood deposit)"
• "a clay-pebble conglomerate"

Size classes: macrofossils, mesofossils

Collected by A. Hunt & S. Lucas in 1990; reposited in the NMMNH

Collection methods: bulk, sieve,

Primary reference: A. P. Hunt and S. G. Lucas. 1993. Late Triassic microvertebrate localities in New Mexico (USA): implications for paleoecology. In S. G. Lucas and M. Morales (eds.), The Nonmarine Triassic. New Mexico Museum of Natural History and Science Bulletin 3:187-191 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 83738: authorized by Matthew Carrano, entered by Matthew Carrano on 28.08.2008, edited by Richard Butler

Creative Commons license: CC BY (attribution)

Taxonomic list

 Chondrostei -
 Palaeonisciformes - Redfieldiidae
Redfieldiidae indet.3 Hutchinson 1973
 Semionotiformes - Semionotidae
Semionotidae indet. Woodward 1890
 Dipnoi - Arganodontidae
"Ceratodus dorotheae" = Arganodus dorotheae6
"Ceratodus dorotheae" = Arganodus dorotheae6 Case 1921 lungfish
 Coelacanthiformes - Coelacanthidae
Coelacanthidae indet.7 Agassiz 1843 coelacanth
 Temnospondyli - Metoposauridae
Metoposauridae indet.7 Watson 1919 tetrapod
Apachesaurus sp.7 Hunt 1993 tetrapod
Apachesaurus gregorii2 Hunt 1993 tetrapod
Reptilia indet.7 Laurenti 1768 reptile
NMMNH P-39291, 39294, 17070, 25668, 17059, 17058, 17057, 17056, 7115, 40504, 17071
 Eosuchia - Doswelliidae
Vancleavea campi5 Long and Murry 1995 archosauromorph
NMMNH P-36150, YPM 4265, 4268, 4270-4276, uncatalogued, osteoderms
? Archosauria indet.4 Cope 1869 archosaur
NMMNH P-7113, 7114, 25672, proximal limb fragment, tooth fragments, ungual
 Archosauria -
Archosauria indet.6 Cope 1869 archosaur
UCMP V6148/65266, neural spine
 Pseudosuchia - Stagonolepididae
Stagonolepididae indet.7 Lydekker 1887 archosaur
Redondasuchus reseri n. gen. n. sp.1 Hunt and Lucas 1991 archosaur
 Loricata - Sphenosuchidae
Sphenosuchidae indet.6 Huene 1922 crocodilian
NMMNH P-7016, 4756, 17061, centra and scutes
 Phytosauria - Parasuchidae
Redondasaurus gregorii6 Hunt and Lucas 1993 archosaur
 Therapsida - Trirachodontidae
Redondagnathus hunti n. gen. n. sp.6
Redondagnathus hunti n. gen. n. sp.6 Spielmann and Lucas 2012 therapsid
YPM 4225, 4227, 4230, teeth