Also known as Locality D1 on Comb Ridge, Lewis tritylodont locality
Where: Navajo County, Arizona (36.8° N, 110.1° W: paleocoordinates 20.3° N, 48.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Kayenta Formation, Sinemurian to Sinemurian (199.3 - 182.7 Ma)
• Outcrop is in the upper part of the Kayenta Formation, 2.5 to 3 m below the base of the overlying Navajo Sandstone. Here the Kayenta is about 44.5 m thick
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; sandstone
Size classes: macrofossils, mesofossils
Reposited in the AMNH, USNM
Collection methods: bulk, quarrying, surface (in situ), mechanical,
• over 1000kg of rock removed
Primary reference: G. E. Lewis. 1986. Nearctylodon broomi, the first Nearctic Tritylodont. Ecology and Biology of Mammal-like Reptiles 295-303 [J. Alroy/E. Leckey/E. Leckey]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 34533: authorized by John Alroy, entered by Erin Leckey on 04.09.2003, edited by Richard Butler
Creative Commons license: CC BY (attribution)
Taxonomic list
Osteichthyes | |
"Nearctylodon broomi n. gen. n. sp." = Kayentatherium wellesi
"Nearctylodon broomi n. gen. n. sp." = Kayentatherium wellesi Kermack 1982 mammaliamorph USNM 317201 (holotype), complete skeleton. USNM 317202-317214. Numerus additional specimens are also known
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Reptilia | |
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