6841-SD Tatonduk River section (Devonian of the United States)

Where: Alaska (65.0° N, 141.2° W: paleocoordinates 0.9° N, 38.9° W)

When: McCann Hill Formation, Devonian (419.2 - 358.9 Ma)

• 400 feet above M1006-SD.

Environment/lithology: offshore; lithified, cherty/siliceous shale

Size class: macrofossils

Primary reference: M. Churkin, Jr. and E. E. Brabb. 1965. Ordovician, Silurian, and Devonian biostratigraphy of east-central Alaska. Bulletin of the American Association of Petroleum Geologists 49(2):172-185 [A. Miller/S. Kolbe]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 114978: authorized by Arnold Miller, entered by Sarah Kolbe on 26.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Agoniatitida - Agoniatitidae
? Agoniatites sp. Meek 1877 ammonite
 Orthocerida - Orthoceratidae
? Michelinoceras sp. Foerste 1932
Gastropoda
 Euomphalina - Euomphalidae
Straparollus (Eomphalus) sp. de Montfort 1810 snail