Also known as Hoplochelys crassa type
Where: San Juan County, New Mexico (36.1° N, 108.0° W: paleocoordinates 42.8° N, 87.6° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Nacimiento Formation, Puercan to Puercan (66.0 - 60.9 Ma)
• Both the Puerco and the Torrejon are found in that region and it is therefore uncertain to which of these the fossil belongs
• member-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Collected by David Baldwin in 6 1883; reposited in the AMNH
• collected for E. D. Cope
Primary reference: O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 131857: authorized by Roger Benson, entered by Roger Benson on 31.07.2012, edited by Evangelos Vlachos
Creative Commons license: CC BY (attribution)
Taxonomic list
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"Plastomenus acupictus n. sp." = Hutchemys acupictus2, Plastomenus ? communis1, Platypeltis antiqua n. sp.2
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"Chelydra crassa n. sp." = Hoplochelys crassa1
"Chelydra crassa n. sp." = Hoplochelys crassa1 Cope 1888 mud turtle Cope states that he possest remains of 2 individuals. Of the first there were present 2 vertebral bones, 9 peripherals, and 3 plastrals; of the second, 3 vertebrals. The bones of the first-mentioned individual are now in the American Museum of Natural History and bear the catalog number 6091; where the remains of the second specimen are is not at present known
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