Walnut Creek, loc. 89a (Devonian of the United States)

Where: Chautauqua County, New York (42.5° N, 79.2° W: paleocoordinates 34.2° S, 27.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Palmatolepis rhenana-Palmatolepis linguiformis conodont zone, Hanover Formation (West Falls Group), Late/Upper Frasnian (379.5 - 376.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

• shale with concretions

Size class: macrofossils

Preservation: cast

Primary reference: M. R. House and W. T. Kirchgasser. 2008. Late Devonian goniatites (Cephalopoda, Ammonoidea) from New York State. Bulletins of American Paleontology 374:1-288 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136746: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Agoniatitida - Gephuroceratidae
Crickites lindneri Glenister 1958 ammonite
Delphiceras cataphractum Clarke 1898 ammonite
Sphaeromanticoceras aff. rickardi House and Kirchgasser 1993 ammonite