Also known as Ideal Cement, Ideal Shark

Where: Larimer County, Colorado (40.7° N, 105.2° W: paleocoordinates 44.2° N, 70.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Smoky Hill Chalk Member (Niobrara Formation), Coniacian to Coniacian (89.8 - 83.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: mesofossils

Collected in 1986–1987

Primary reference: P. C. Murphey and D. Daitch. 2014. Paleontological Technical Report: Northern Integrated Supply Project, Proposed U.S. Highway 287 Realignment Larimer County, Colorado 1-34 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 227704: authorized by Matthew Carrano, entered by Matthew Carrano on 27.10.2022

Creative Commons license: CC BY (attribution)