Calsoyasuchus Hill (TMM 43631) (Jurassic to of the United States)

Where: Coconino County, Arizona (35.8° N, 111.1° W: paleocoordinates 19.4° N, 49.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Silty Facies Member (Kayenta Formation), Sinemurian to Sinemurian (199.3 - 182.7 Ma)

• Middle third of the silty facies (Harshbarger et al. 1957; Clark and Fastovsky (1986). Gold Spring drainage

• bed-level stratigraphic resolution

Environment/lithology: "channel"; sandstone

• thick, crossbedded, channel sandstone bed

Size class: macrofossils

Reposited in the TMM

Primary reference: R. S. Tykoski, T. B. Rowe, R. A. Ketcham and M. W. Colbert. 2002. Calsoyasuchus valliceps, a new crocodyliform from the Early Jurassic Kayenta Formation of Arizona. Journal of Vertebrate Paleontology 22(3):593-611 [R. Whatley/R. Whatley/R. Whatley]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 46395: authorized by Robin Whatley, entered by Robin Whatley on 12.01.2005, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

 Loricata - Goniopholididae
Calsoyasuchus valliceps n. gen. n. sp.
Calsoyasuchus valliceps n. gen. n. sp. Tykoski et al. 2002 crocodilian
TMM 43631-1 (holotype), partial skull
Pinophyta indet. Reveal 1996
TMM 43631-2