Locality 27, Glen Dean Limestone, Crawford Co., IN (Carboniferous of the United States)

Where: Crawford County, Indiana (38.2° N, 86.5° W: paleocoordinates 11.3° S, 26.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Dibunophyllum zone, Glen Dean Limestone Formation, Pendleian (330.9 - 327.0 Ma)

• collections taken from the Upper Glen Dean Limestone [JA: entered as Chesterian; the Glen Dean is late Hombergian = Pendleian]

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; shelly/skeletal, gray, argillaceous grainstone and shale

• medium to dk. gray, semicrystalline to crystalline limestone and argillaceous limestone occuring in beds that are usually less than 5 ft. thick and averaging about 2 ft. in thickness; dk. gray, thin bedded shale and argillaceous sandstone, locally fossiliferous, separate stratigraphically adjacent limestone beds

Preservation: replaced with silica

Collection methods: surface (in situ), mechanical,

Primary reference: A. S. Horowitz. 1956. Fauna of Glen Dean Limestone (Chester) in Indiana and Northern Kentucky. 1-449 [A. Miller/K. Layou/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 6961: authorized by Arnold Miller, entered by Karen Layou on 18.04.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Crinoidea
 Monobathrida - Dichocrinidae
Pterotocrinus birfurcatus, Pterotocrinus spatulatus, Pterotocrinus depressus, Pterotocrinus acutus
 Dendrocrinida - Zeacrinitidae
Zeacrinites trapezinatus, Zeacrinites wortheni
 Cladida - Eupachycrinidae
Eupachycrinus boydii