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
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
Foraminifera | |
Rhodophyceae | |
Strophomenata | |
Crinoidea | |
Dichocrinus sp. Munster 1839 Sea lily | |
Eretmocrinus sp. Lyon and Casseday 1859 Sea lily | |
Platycrinites sp. Miller 1821 Sea lily | |
Gilbertsocrinus sp. Phillips 1836 Sea lily | |
Decadocrinus sp. Wachsmuth and Springer 1879 Sea lily |