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 J. Gregory; A. Hunt & S. Lucas in 1990; reposited in the NMMNH

Collection methods: bulk, sieve,

Primary reference: J. T. Gregory. 1972. Vertebrate faunas of the Dockum Group, Triassic, eastern New Mexico and west Texas. In V. C. Kelly & F. D. Trauger (ed.), New Mexico Geological Society, 23rd Field Conference, East Central New Mexico. New Mexico Geological Society Guidebook 23:120-123 [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

unclassified
  -
Osteichthyes
 Ceratodontiformes - Arganodontidae
"Ceratodus dorotheae" = Arganodus dorotheae7
"Ceratodus dorotheae" = Arganodus dorotheae7 Case 1921 Australian lungfish
Coelacanthimorpha
 Coelacanthiformes - Coelacanthidae
Coelacanthidae indet.8 Agassiz 1843 coelacanth
Amphibia
 Temnospondyli - Metoposauridae
Metoposauridae indet.8 Watson 1919 tetrapod
Apachesaurus sp.8 Hunt 1993 tetrapod
Apachesaurus gregorii3 Hunt 1993 tetrapod
Osteichthyes
 Therapsida - Trirachodontidae
Redondagnathus hunti n. gen. n. sp.7
Redondagnathus hunti n. gen. n. sp.7 Spielmann and Lucas 2012 cynodont
YPM 4225, 4227, 4230, teeth
Reptilia
  -
Reptilia indet.8 Laurenti 1768 reptile
NMMNH P-39291, 39294, 17070, 25668, 17059, 17058, 17057, 17056, 7115, 40504, 17071
? Archosauria indet.5 Cope 1869 archosaur
NMMNH P-7113, 7114, 25672, proximal limb fragment, tooth fragments, ungual
 Archosauria -
Archosauria indet.7 Cope 1869 archosaur
UCMP V6148/65266, neural spine
 Loricata - Sphenosuchidae
Sphenosuchidae indet.7 Huene 1922 crocodilian
NMMNH P-7016, 4756, 17061, centra and scutes
 Pseudosuchia - Stagonolepididae
Stagonolepididae indet.8 Lydekker 1887 aetosaur
Redondasuchus reseri n. gen. n. sp.1 Hunt and Lucas 1991 aetosaur
 Phytosauria - Parasuchidae
Redondasaurus gregorii7 Hunt and Lucas 1993 archosaur
 Diapsida - Doswelliidae
Vancleavea campi6 Long and Murry 1995 archosauromorph
NMMNH P-36150, YPM 4265, 4268, 4270-4276, uncatalogued, osteoderms
Actinopteri
 Semionotiformes - Semionotidae
Semionotidae indet. Woodward 1890
 Neopterygii -
Osteichthyes
 Palaeonisciformes - Redfieldiidae
Redfieldiidae indet.4 Hutchinson 1973