Locality 42: Zone 3, East Shore False Presque Isle (Devonian of the United States)

Also known as Radabaugh (1942) Locality 116 Ehlers (1945) Locality 9 La Rocque (1949) Locality 42

Where: Alpena County, Michigan (45.3° N, 83.4° W: paleocoordinates 35.3° S, 29.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tortodus australis conodont zone, Atrypa Member (Rogers City Formation), Eifelian (393.3 - 387.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: dolomite

Size class: macrofossils

Reposited in the UMMP

Primary reference: A. La Rocque. 1949. New uncoiled gastropods from the Middle Devonian of Michigan and Manitoba. Contributions from the Museum of Paleontology, University of Michigan 7(7):113-122 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85517: authorized by Pete Wagner, entered by Pete Wagner on 05.01.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

 Euomphalina - Euomphalidae
Mastigospira ingens, "Straparollus (Straparollus) aff. cottrelli" = Pseudomphalotrochus cottrelli
Mastigospira ingens La Rocque 1949 snail
"Straparollus (Straparollus) aff. cottrelli" = Pseudomphalotrochus cottrelli Linsley and Yochelson 1973 snail