Where: Alaska (61.8° N, 154.4° W: paleocoordinates 6.8° S, 78.5° W)

• small collection-level geographic resolution

When: Ds Member, Frasnian (382.7 - 372.2 Ma)

• "The strata belong to the upper part of the Ds unit of Gilbert et al. (1990)."

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, ferruginous, red siltstone and black shale

Reposited in the USGS

Collection methods: surface (in situ),

Primary reference: R. B. Blodgett and W. G. Gilbert. 1992. Upper Devonian shallow-marine siliciclastic strata and associated fauna and flora, Lime Hills D-4 Quadrangle, southwest Alaska. United States Geological Survey Bulletin B2041:106-115 [J. Alroy/M. Sommers]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3936: authorized by John Alroy, entered by Mike Sommers on 11.08.1999

Creative Commons license: CC BY (attribution)