Crawfordsville, Lower Quarry, Bed E (Carboniferous to of the United States)

Where: Montgomery County, Indiana (40.0° N, 86.9° W: paleocoordinates 17.2° S, 32.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Edwardsville Member (Muldraugh Formation), Chadian to Chadian (345.3 - 342.8 Ma)

• JA: the late Osagean is Chadian and Arundian according to Heckel and Clayton 2006

• bed-level stratigraphic resolution

Environment/lithology: delta front; lithified, shelly/skeletal limestone and siltstone

• thin lenses of crinoidal limestone and siltstone... fossiliferous silstones.

Collection methods: bulk, chemical, mechanical, sieve,

Primary reference: N. G. Lane, J. L. Matthews, E. G. Driscoll and E. L. Yochelson. 1973. Paleontology and paleoecology of the Crawfordsville fossil site (Upper Osagian: Indiana). University of California Publications in Geological Sciences 99:1-141 [J. Alroy/M. Sommers/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 8071: authorized by John Alroy, entered by Mike Sommers on 15.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• does not include bryozoans
Foraminifera
 Lituolida - Lituolidae
 Textulariina - Hyperamminidae
 Astrorhizacea - Psammosphaeridae
Rhodophyceae
  - Aoujgaliaceae
Strophomenata
 Productida - Echinoconchidae
Crinoidea
 Monobathrida - Dichocrinidae
Dichocrinus sp. Munster 1839 Sea lily
 Monobathrida - Batocrinidae
Eretmocrinus sp. Lyon and Casseday 1859 Sea lily
 Monobathrida - Platycrinitidae
Platycrinites sp. Miller 1821 Sea lily
 Diplobathrida - Rhodocrinitidae
Gilbertsocrinus sp. Phillips 1836 Sea lily
 Poteriocrinina - Decadocrinidae
Decadocrinus sp. Wachsmuth and Springer 1879 Sea lily