Also known as Trilophosaurus Quarry 1, NMMNH L-860, WPA, Work Project No. 13352
Where: Howard County, Texas (32.2° N, 101.2° W: paleocoordinates 4.9° N, 40.0° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Colorado City Formation (Dockum Group), Carnian to Carnian (237.0 - 208.5 Ma)
• variously referred to the Iatan or Colorado City of the Dockum Group; low in formation; lower level than Quarry 1
• bed-level stratigraphic resolution
Environment/lithology: crevasse splay; concretionary, green, red, yellow, blue mudstone and paleosol/pedogenic, calcareous mudstone
•"Here the vertebrate fossils occur in a 30 cm-thick red mudstone."
Size classes: macrofossils, mesofossils
Collected by WPA in 1939–1941; reposited in the NMMNH, TMM
Collection methods: bulk, quarrying, surface (float), surface (in situ), mechanical, sieve,
Primary reference: Anonymous. 1939. The third quarterly report covering the quarter ending December 31,1939 for the state-wide paleontologic-mineralogic survey in Texas. A Federal Works Agency Work Projects Administration Project. O.P. No. 665-66-3-233. State Serial No. 300-88 1-47 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taphonomic analysis
PaleoDB collection 22704: authorized by Anna Behrensmeyer, entered by Anna Behrensmeyer on 29.05.2001, edited by Matthew Carrano and Richard Butler
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
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Gnathostomata | |
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Osteichthyes | |
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Coelacanthimorpha | |
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Osteichthyes | |
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Amphibia | |
Latiscopus disjunctus n. gen. n. sp.10
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Reptilia | |
Reptilia indet.3 Laurenti 1768 reptile NMMNH P-34024-31, 34047-79, 34062, 34066, 34144-46, 34222, 34233, 41428-34
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Otischalkia elderae n. gen. n. sp.4
Otischalkia elderae n. gen. n. sp.4 Hunt and Lucas 1991 rhynchosaur TMM 31025-263 (holotype), 31025-262, humeri- TMM 31025-266, 31025-264, femora
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Trilophosaurus sp.1, "Malerisaurus langstoni" = Trilophosaurus buettneri7, Archosauriformes indet.3, Archosauriformes indet.2, Archosauriformes indet.2, Archosauriformes indet.2, Protecovasaurus lucasi3
Trilophosaurus sp.1 Case 1928 archosauromorph Hundreds of specimens - see Spielmann et al. (2008, p. 153) for a complete list
Archosauriformes indet.2 Gauthier 1986 archosauromorph NMMNH P-34011a-d, 34012, 34057-58, 41435-36, 41439, 34069
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"Lythrosuchus langstoni n. gen. n. sp." = Poposaurus langstoni5 Long and Murry 1995 archosaur TMM 31025-12 (holotype), right ilium. TMM 31025-177, 257, 259. All specimens probably represent a single individual
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Gnathostomata | |
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Osteichthyes | |
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