Where: Rio Arriba County, New Mexico (36.3° N, 106.5° W: paleocoordinates 11.5° N, 45.4° W)
• coordinate based on unpublished field data
• outcrop-level geographic resolution
When: Petrified Forest Member (Chinle Formation), Norian (228.0 - 208.5 Ma)
• described as "Revueltan" age, Norian; 90 m below contact with Jurassic Entrada Sandstone, 30.8 m below the contact with the Rock Point Member
• bed-level stratigraphic resolution
Environment/lithology: "floodplain"; paleosol/pedogenic, bentonitic, green, red, silty mudstone and green conglomerate
Size class: macrofossils
Collected by C. L. Camp, R. Arrias, H. Anderson, G. Barrington, & S. P. Welles in 1928–1933, 1960s, 1999-; reposited in the MCZ, UCMP
Collection methods: quarrying, mechanical,
• excavated 1928-1933 by C. L. Camp, R. Arrias, H. Anderson, G. Barrington, and S. P. Welles for UCMP; two specimens of Typothorax collected by Harvard in 1930s
Primary reference: R. A. Long, S. G. Lucas, A. P. Hunt and R. T. McCrea. 1989. Charles Camp: collecting Late Triassic vertebrates in the American southwest during the 1920's and 1930's. In S. G. Lucas and A. P. Hunt (eds.), Dawn of the Age of Dinosaurs in the American Southwest, New Mexico Museum of Natural History, Albuquerque [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 47126: authorized by Matthew Carrano, entered by Matthew Carrano on 14.02.2005, edited by Richard Butler
Creative Commons license: CC BY (attribution)
Taxonomic list
Gnathostomata | |
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Amphibia | |
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Reptilia | |
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Typothorax coccinarum4 Cope 1875 aetosaur UCMP 34255, 34248, 34259, partial skeletons. UCMP 34277, paramedian osteoderm
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"Arribasuchus buceros" = Machaeroprosopus buceros1, "Pseudopalatus pristinus" = Machaeroprosopus pristinus1
"Arribasuchus buceros" = Machaeroprosopus buceros1 Cope 1881 archosaur UCMP V27228, 2816, 34246, 34250, 34258, skulls
"Pseudopalatus pristinus" = Machaeroprosopus pristinus1 Mehl 1928 archosaur UCMP 27231, 27234, 27235, 34245, 34249, 34251, skulls and skeletons
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Theropoda indet.2 Marsh 1881 theropod UCMP 152645, partial skeleton. ?UCMP unnumbered, dorsal vertebra
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