Where: Alberta, Canada (50.4° N, 110.3° W: paleocoordinates 57.5° N, 74.9° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Foremost Formation, Middle Campanian (83.5 - 70.6 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Reposited in the TMP
• Collected by H. Johnson
Primary reference: J. E. Storer and H. Johnson. 1974. Ischyrhiza (Chondrichthyes: Pristidae) from the Upper Cretaceous Foremost Formation (Campanian) of Alberta. Canadian Journal of Earth Science 11:712-715 [M. Uhen/M. Uhen/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 91425: authorized by Mark Uhen, entered by Mark Uhen on 22.09.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
Ischyrhiza mira Leidy 1856 ray |