Locality 8, Glen Dean Limestone, Crawford Co., IN (Carboniferous of the United States)

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

• Paleocoordinates: 19.2° S, 33.5° W (Wright 2013)

• 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 both the Lower and 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; ooidal, shelly/skeletal, gray, argillaceous grainstone and shale

• lower glen dean: hard, tan or gray, crystalline limestone that occurs in fairly massive bed; some beds oolitic; all beds fragmental in appearance and quite fossiliferous, common minerals include: dolomite, chert, pyrite, limonite, and hematite upper glen dean: 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 92

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 6962: authorized by Arnold Miller, entered by Karen Layou on 18.04.2000

Creative Commons license: CC0 (CC0)

Taxonomic list

Stenolaemata
 Cryptostomata - Fenestellidae
 Cystoporata - Fistuliporidae
 Trepostomida - Stenoporidae
 Cystoporida - Hexagonellidae
Rhynchonellata
 Spiriferida - Martiniidae
Martinia contracta Meek and Worthen 1866
 Spiriferida - Spiriferidae
"Spirifer leidyi" = Anthracospirifer leidyi Norwood and Pratten 1855
Spirifer increbescens Hall 1858
Spirifer increbescens and S. increbescens var. A
 Rhynchonellida - Stenoscismatidae
 Athyridida - Retziidae
Eumetria vera
E. marcyi var. vera
 Athyridida - Athyrididae
 Terebratulida - Cranaenidae
Strophomenata
 Productida - Linoproductidae
 Productida - Echinoconchidae
"Productus cestriensis" = Echinoconchus elegans
"Productus cestriensis" = Echinoconchus elegans Norwood and Pratten 1855
 Orthotetida - Orthotetidae
Orthotetes kaskaskiensis McChesney 1860
Blastoidea
 Pentremitida - Pentremitidae
Crinoidea
 Monobathrida - Dichocrinidae
 Cladida - Phanocrinidae
 Dendrocrinida - Aphelecrinidae