Roca, quarry 1.25 miles NE, Lancaster County (Permian of the United States)
Where: Nebraska (40.7° N, 96.7° W: paleocoordinates 1.2° N, 26.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Streptognathodus nevaensis conodont zone, Neva Formation, Asselian (298.9 - 295.5 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified limestone
Size class: macrofossils
Primary reference: A. K. Miller and W. Youngquist. 1949. American Permian nautiloids. Geological Society of America Memoir 41:1-218 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 113424: authorized by Matthew Clapham, entered by Matthew Clapham on 30.07.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Cephalopoda | |
Stearoceras sublaeve n. sp.
Stearoceras sublaeve n. sp. Miller et al. 1932 nautiloid | |