Where: Nevada (39.2° N, 115.3° W: paleocoordinates 12.2° N, 37.2° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Riepetown Formation, Artinskian (290.1 - 279.3 Ma)
• Base of section, lower member Riepetown Fm
• bed-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Primary reference: T. E. Yancey. 1978. Brachiopods and mollusca of the Lower Permian Arcturus Group, Nevada and Utah, Part 1: brachiopods, scaphopods, rostroconchs, and bivalves. Bulletins of American Paleontology 74(303):257-367 [P. Wagner/P. Wagner/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 89338: authorized by Matthew Clapham, entered by Matthew Clapham on 16.05.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
Calstevenus arcturus n. gen.
Calstevenus arcturus n. gen. Yancey 1973 tusk shell |