Montpelier Canyon, upper shale member (Triassic of the United States)
Where: Idaho (43.3° N, 111.3° W: paleocoordinates 12.6° N, 34.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Columbites ammonoid zone, Thaynes Formation, Spathian (251.3 - 247.2 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; lithified shale
Size class: macrofossils
Primary reference: B. Kummel. 1953. American Triassic coiled nautiloids. United States Geological Survey Professional Paper 250:1-104 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 110958: authorized by Matthew Clapham, entered by Matthew Clapham on 16.06.2011, edited by Bethany Allen
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Cephalopoda | |
"Nordophiceras pilatum" = Bajarunia pilata
"Nordophiceras pilatum" = Bajarunia pilata Hyatt and Smith 1905 ceratite | |
|
Subvishnuites sp. Spath 1930 ceratite | |
"Nordophiceras jacksoni" = Jeanbesseiceras jacksoni
"Nordophiceras jacksoni" = Jeanbesseiceras jacksoni Hyatt and Smith 1905 ceratite | |
|
Tirolites sp. Mojsisovics 1879 ceratite
Tirolites smithi Kummel 1969 ceratite | |
"Preflorianites montpelierensis n. sp." = Yvesgalleticeras montpelierense, "Pseudoceltites cheneyi" = Idahocolumbites cheneyi
"Preflorianites montpelierensis n. sp." = Yvesgalleticeras montpelierense Kummel 1969 ceratite
"Pseudoceltites cheneyi" = Idahocolumbites cheneyi Kummel 1969 ceratite | |
"Pleuronautilus (Enoploceras) newelli n. sp." = Phaedrysmocheilus idahoensis, "Metacoceras (Mojsvaroceras) frenchi n. sp." = Phaedrysmocheilus idahoensis
"Pleuronautilus (Enoploceras) newelli n. sp." = Phaedrysmocheilus idahoensis Kummel 1953 nautiloid
"Metacoceras (Mojsvaroceras) frenchi n. sp." = Phaedrysmocheilus idahoensis Kummel 1953 nautiloid | |