Where: Coconino County, Arizona (36.1° N, 111.3° W: paleocoordinates 19.7° N, 50.0° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Kayenta Formation (Glen Canyon Group), Sinemurian to Sinemurian (199.3 - 182.7 Ma)
• 25 m above the base of the Kayenta formation
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; sandstone
Size class: macrofossils
Reposited in the UCMP
Collection methods: quarrying, surface (float), surface (in situ),
Primary reference: J. M. Clark and D. E. Fastovsky. 1986. Vertebrate biostratigraphy of the Glen Canyon Group in northern Arizona. The Beginning of the Age of the Dinosaurs: Faunal change across the Triassic-Jurassic boundary, N. C. Fraser and H.-D. Sues (eds.), Cambridge University Press 285-301 [R. Whatley/R. Whatley/R. Whatley]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 137287: authorized by Richard Butler, entered by Richard Butler on 14.12.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
| Reptilia | |
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Crocodylomorpha "undescribed new genus" Hay 1930 crocodilian UCMP 97639, 97640. New taxon with skull similar to Orthosuchus stormbergi
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| Osteichthyes | |
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Tritylodontidae indet. Cope 1884 mammaliamorph UCMP 130857, 130858, possibly representing a new taxon (Sues et al. 1994)
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