Locality 9, Glen Dean Limestone, Crawford Co., IN (Carboniferous of the United States)

Where: Crawford County, Indiana (38.4° N, 86.6° W: paleocoordinates 11.2° 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,

• listed with locality information is identification as "collection 118"

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 6939: authorized by Arnold Miller, entered by Karen Layou on 13.04.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

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Rhynchonellata
 Athyridida - Athyrididae
Composita subquadrata, Cleiothyridina sublamellosa
 Spiriferida - Spiriferidae
Spirifer increbescens
Spirifer increbescens Hall 1858
Spirifer increbescens var. A
Crinoidea
 Cladida - Phanocrinidae
Phanocrinus parvaramus
 Monobathrida - Dichocrinidae
Pterotocrinus bifurcatus