Between Eagle and Paddy Creek, Block II (Triassic to of the United States)

Where: Oregon (44.9° N, 117.3° W: paleocoordinates 20.0° N, 49.9° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Martin Bridge Formation, Carnian to Carnian (237.0 - 208.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified shale

• calcareous black shales, intercalated with massive mudstones and thin beds of graded micrite

Size class: macrofossils

Primary reference: C. A. McRoberts. 1993. Systematics and biostratigraphy of halobiid bivalves from the Martin Bridge Formation (Upper Triassic), Northeast Oregon. Journal of Paleontology 67(2):198-210 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 61743: authorized by Wolfgang Kiessling, entered by Uta Merkel on 28.06.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Ostreida - Halobiidae
Halobia superba, Halobia beyrichi
Halobia superba Mojsisovics 1874 oyster
subspecies superba
Halobia beyrichi Mojsisovics 1874 oyster
Cephalopoda
 Ceratitida - Tropitidae
? Arietoceltites sp., Discotropites sp.
? Arietoceltites sp. Diener 1916 ceratite
Discotropites sp. Hyatt and Smith 1905 ceratite
Conodonta
 Ozarkodinida - Gondolellidae
Neogondolella sp.
Neogondolella sp. Bender and Stoppel 1965 conodont