Calsoyasuchus Hill (TMM 43631): Sinemurian - Pliensbachian, Arizona

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Goniopholididae
Calsoyasuchus valliceps n. gen., n. sp. Tykoski et al. 2002
1 specimen
TMM 43631-1 (holotype), partial skull (1 measurement)
Pinophyta indet. Reveal 1996
Database 2021 1 specimen
TMM 43631-2
see common names

Country:United States State/province:Arizona County:Coconino
Coordinates: 35.8° North, 111.1° West (view map)
Paleocoordinates:19.4° North, 49.9° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Period:Jurassic Epoch:Early/Lower Jurassic
Key time interval:Sinemurian - Pliensbachian
Age range of interval:199.50000 - 184.20000 m.y. ago
Geological group:Glen Canyon Formation:Kayenta Member:Silty Facies
Stratigraphic resolution:bed
Stratigraphy comments: Middle third of the silty facies (Harshbarger et al. 1957; Clark and Fastovsky (1986). Gold Spring drainage
Lithology and environment
Primary lithology:"cross stratification" sandstone
Lithology description: thick, crossbedded, channel sandstone bed
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Associated major elements:all
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:TMM
Database number:46395
Authorizer:R. Whatley, M. Carrano Enterer:R. Whatley, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2005-01-12 12:52:16 Last modified:2020-12-22 13:27:29
Access level:the public Released:2005-01-12 12:52:16
Creative Commons license:CC BY
Reference information

Primary reference:

12369. 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]

Secondary references:

74900 T. M. M. Database. 2021. Online data from Texas Memorial Museum collections database. [M. Carrano/M. Carrano]