Where: Idaho (42.5° N, 111.3° W: paleocoordinates 15.1° N, 32.1° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Meade Peak Member (Phosphoria Formation), Roadian (272.3 - 268.8 Ma)
• bed-level stratigraphic resolution
Environment/lithology: offshore ramp; lithified, phosphatic limestone
Size class: macrofossils
Collection methods: Repository: Idaho Museum of Natural History
Primary reference: L. Tapanila and J. Pruitt. 2013. Unraveling species concepts for the Helicoprion tooth whorl. Journal of Paleontology 87:965-983 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 152130: authorized by Matthew Clapham, entered by Matthew Clapham on 08.11.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
Helicoprion davisii Woodward 1886 chimaera |