Where: Northwest Territories, Canada (74.2° N, 120.9° W: paleocoordinates 78.2° N, 90.8° W)
• coordinate stated in text
When: Cyclic Member (Eureka Sound Formation), Early/Lower Eocene to Early/Lower Eocene (55.8 - 37.7 Ma)
Environment/lithology: marine; lithology not reported
Size class: mesofossils
Collection methods: sieve,
Primary reference: A. Padilla, J. J. Eberle, M. D. Gottfried, A. R. Sweet, and J. H. Hutchison. 2014. A Sand Tiger Shark-Dominated Fauna from the Eocene Arctic Greenhouse . Journal of Vertebrate Paleontology 34(6):1307-1316 [P. Holroyd/P. Holroyd/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 193066: authorized by Patricia Holroyd, entered by Patricia Holroyd on 06.05.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
Physogaleus cf. americanus requiem shark
Physogaleus secundus Winkler 1876 requiem shark |