Also known as Heptasuchus holotype site
Where: Natrona County, Wyoming (43.4° N, 106.9° W: paleocoordinates 11.9° N, 37.2° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Popo Agie Formation (Chugwater Group), Carnian (237.0 - 228.0 Ma)
• Located in the Lower Carbonate unit of the Popo Agie Formation, approximatelz 10 m above its base.
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; green, red, calcareous mudstone
Size class: macrofossils
Collected by Dawley, Zawiskie & Cosgriff in 1977; reposited in the UW
Primary reference: R. M. Dawley, J. M. Zawiskie, and J. W. Cosgriff. 1979. A rauisuchid thecodont from the Upper Triassic Popo Agie Formation of Wyoming. Journal of Paleontology 53:1428-1431 [R. Butler/R. Butler]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 91403: authorized by Richard Butler, entered by Richard Butler on 18.09.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
| Reptilia | |
Heptasuchus clarki n. gen. n. sp.
Heptasuchus clarki n. gen. n. sp. Dawley et al. 1979 archosaur UW 11562 (holotype), partial skull and associated postcranial material; UW 11563-11565, additional postcranial material not directly associated with skull but found at locality and probably belonging to same individual as holotype
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