Bear Lake (Triassic of the United States)

Where: Idaho (42.1° N, 111.2° W: paleocoordinates 11.5° N, 35.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Columbites parisianus ammonoid zone, Thaynes Formation, Spathian (251.3 - 247.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, nodular shale

Size class: macrofossils

Primary reference: R. J. Mutter and H. Rieber. 2005. Pyknotylacanthus spathianus gen et sp nov, a new ctenacathoid from the Early Triassic of Bear Lake (Idaho, USA). Revista Brasileira de Paleontologia 8(2):139-148 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90300: authorized by Matthew Clapham, entered by Matthew Clapham on 15.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Chondrichthyes
 Ctenacanthiformes -
Pyknotylacanthus spathianus n. gen. n. sp.
Pyknotylacanthus spathianus n. gen. n. sp. Mutter and Rieber 2005 elasmobranch
Cephalopoda
 Ceratitida -
Bajarunia pilatum, Bajarunia jacksoni
 Ceratitida - Xenoceltitidae
Xenoceltites spencei
Xenoceltites spencei Hyatt and Smith 1905 ceratite
 Ceratitida - Hedenstroemiidae
Pseudosageceras multilobatum
Pseudosageceras multilobatum Noetling 1905 ceratite
 Ceratitida - Columbitidae
"Boreoceras apostolicus" = Rudolftruempyiceras, Columbites parisianus
"Boreoceras apostolicus" = Rudolftruempyiceras ceratite
Columbites parisianus Hyatt and Smith 1905 ceratite
 Nautilida - Tainoceratidae
cf. Enoploceras sp.
cf. Enoploceras sp. Hyatt in Zittel 1900 nautiloid