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
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
Reptilia | |
Calsoyasuchus valliceps n. gen. n. sp.
Calsoyasuchus valliceps n. gen. n. sp. Tykoski et al. 2002 crocodilian TMM 43631-1 (holotype), partial skull
| |
unclassified | |
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