USGS 17235, north of Sparta (Cretaceous of the United States)

Where: Chickasaw County, Mississippi (33.8° N, 89.0° W: paleocoordinates 37.4° N, 66.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Prairie Bluff Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: chalk

Size class: macrofossils

Collected by Stephenson, Monroe in 1936

• Repository: Kansas University Museum, Invertebrate Paleontology Collection

Primary reference: R. C. Moore. 1967. Unique stalked crinoids from Upper Cretaceous of Mississippi. The University of Kansas Paleontological Contributions 17:1-35 [M. Clapham/M. Schoerner/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 213728: authorized by Matthew Clapham, entered by Matthew Clapham on 09.09.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Comatulida - Bourgueticrinidae
Dunnicrinus mississippiensis Moore 1967 Feather star