Where: Kansas (38.8° N, 100.9° W: paleocoordinates 42.1° N, 67.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Niobrara Formation (Colorado Group), Late/Upper Santonian (85.8 - 83.5 Ma)

• Horizon with Uintacrinus socialis

• group of beds-level stratigraphic resolution

Environment/lithology: lithified chalk

Size class: macrofossils

Collected by H.T. Martin; reposited in the BMNH

• Purchased in 1900

Primary reference: A. S. Gale. 2016. Origin and phylogeny of the Cretaceous thoracican cirripede family Stramentidae. Journal of Systematic Palaeontology 14:653-702 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 210346: authorized by Matthew Clapham, entered by Matthew Clapham on 30.05.2020

Creative Commons license: CC BY (attribution)