Where: Kansas (38.7° N, 96.9° W: paleocoordinates 3.6° N, 25.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Grant Member (Winfield Formation), Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, calcareous mudstone

Size class: macrofossils

Collected by M.J. Everhart, P.A. Everhart in 2002

Primary reference: M. J. Everhart and P. A. Everhart. 2003. First report of the Paleozoic shark, Ctenacanthus amblyxiphias Cope 1891 from the Lower Permian of Morris County Kansas. Kansas Academy of Science Abstracts 22:13 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149352: authorized by Matthew Clapham, entered by Matthew Clapham on 02.08.2013

Creative Commons license: CC BY (attribution)