Grantsburg (Carboniferous of the United States)

Also known as IU 8914

Where: Crawford County, Indiana (38.3° N, 86.3° W: paleocoordinates 11.3° S, 26.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Haney Limestone Formation, Pendleian (330.9 - 327.0 Ma)

• "Residual soil layer from Haney Limestone," which is middle Hombergian = Pendleian

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

• lithified based on preservation of specimens

Size class: macrofossils

Collection methods: Indiana University collection

•collector unclear

Primary reference: J. R. Welch. 1978. Pterotocrinus rugosus Lyon and Casseday from the middle Chesterian of the Illinois Basin. Journal of Paleontology 52:904-915 [G. Webster/G. Webster]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90815: authorized by John Alroy, entered by John Alroy on 17.08.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Crinoidea
 Monobathrida - Dichocrinidae
Pterotocrinus rugosus