Where: Inyo County, California (36.7° N, 118.0° W: paleocoordinates 7.6° N, 44.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Parapopanoceras ammonoid zone, Union Wash Formation, Spathian (251.3 - 247.2 Ma)
• The fossiliferous beds consists of about 6 feet of black limestone, lying about 800 feet above the zone of Meekoceras gracilitatis.
• group of beds-level stratigraphic resolution
Environment/lithology: slope; lithified, black limestone
Size class: macrofossils
Preservation: cast, mold/impression
Primary reference: A. Hyatt and J. P. Smith. 1905. The Triassic cephalopod genera of America. United States Geological Survey Professional Paper 40:1-394 [D. Bottjer/C. Powers/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 33194: authorized by David Bottjer, entered by Catherine Powers on 23.07.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
|
Orthoceras sp. Breynius 1832 | |
"Acrochordiceras inyoense n. sp." = Pseudacrochordiceras inyoense
"Acrochordiceras inyoense n. sp." = Pseudacrochordiceras inyoense Smith 1914 ceratite | |
? Keyserlingites sp., "Tirolites pacificus n. sp." = Keyserlingites pacificus
? Keyserlingites sp. Hyatt 1900 ceratite
"Tirolites pacificus n. sp." = Keyserlingites pacificus Hyatt and Smith 1905 ceratite | |
"Popanoceras (Parapopanoceras) haugi n. sp." = Neopopanoceras haugi
"Popanoceras (Parapopanoceras) haugi n. sp." = Neopopanoceras haugi Hyatt and Smith 1905 ceratite | |
"Hungarites yatesi n. sp." = Subhungarites yatesi
"Hungarites yatesi n. sp." = Subhungarites yatesi Hyatt and Smith 1905 ceratite | |
Paranannites oviformis n. sp.
Paranannites oviformis n. sp. Smith 1914 ceratite | |
"Xenodiscus multicameratus n. sp." = Inyoceras multicameratus, "Xenodiscus bittneri n. sp." = Inyoceras bittneri
"Xenodiscus multicameratus n. sp." = Inyoceras multicameratus Smith 1914 ceratite
"Xenodiscus bittneri n. sp." = Inyoceras bittneri Hyatt and Smith 1905 ceratite | |