Also known as Angistorhinus gracilis holotype
Where: Fremont County, Wyoming (42.8° N, 108.8° W: paleocoordinates 11.8° N, 38.7° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Popo Agie Formation (Chugwater Group), Carnian (237.0 - 228.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Collected by Williston in 1904; reposited in the FMNH
• collected by Williston while at University of Chicago
Primary reference: S. W. Williston. 1904. Notice of some new reptiles from the Upper Trias of Wyoming. Journal of Geology 12:688-697 [R. Butler/R. Butler/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 91570: authorized by Richard Butler, entered by Richard Butler on 02.10.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Angistorhinus gracilis n. sp.
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