Canaan area (Ordovician of the United States)

Where: Ripley County, Indiana (38.9° N, 85.3° W: paleocoordinates 25.6° S, 58.9° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Saluda Formation, Richmondian (449.6 - 445.5 Ma)

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; dolomitic lime mudstone

• "Hatfield (1968) described the Saluda Formation as being deposited under very shallow-water, possibly hypersaline, lagoonal conditions that developed behind an initially northward-advancing and then southward-retreating coral-sponge bank."
• Saluda Fm. general description: "sparsely fossiliferous dolomitic limestone and calcitic dolostone"

Size class: macrofossils

Collection methods: MU = Limper Museum of Geology at Miami University

Primary reference: R. C. Frey. 1995. Middle and Upper Ordovician nautiloid cephalopods of the Cincinnati Arch region of Kentucky, Indiana, and Ohio. U.S. Geological Survey Professional Paper 1066P:1-126 [S. Holland/S. Holland]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87967: authorized by Björn Kröger, entered by Torsten Liebrecht on 29.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Orthocerida - Proteoceratidae
Gorbyoceras hammelli
Gorbyoceras hammelli Foerste 1910
UC 24165 (hypotype)