Speeds Limestone (Falls of Ohio) (Devonian to of the United States)

Where: Clark County, Indiana (38.5° N, 85.8° W: paleocoordinates 39.8° S, 34.3° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Hadrophyllum orbignyi zone, Speeds Formation, Eifelian to Eifelian (393.3 - 382.7 Ma)

• The Speeds Limestone is part of the Sellersburg Group

• formation-level stratigraphic resolution

Environment/lithology: marine; gray, argillaceous limestone

• 4 ft. of gray, argillaceous limestone

Primary reference: E. C. Stumm. 1964. Silurian and Devonian Corals of the Falls of the Ohio. The Geological Society of America Memoir 93:1-184 [A. Miller/K. Layou/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 5707: authorized by Arnold Miller, entered by Karen Layou on 17.11.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Bivalvia
 Ostreida - Pterineidae
Glyptodesma sp. Hall 1883 oyster
Actinopteria sp. Hall 1884 oyster
Limoptera sp. Hall 1869 oyster
Rhynchonellata
 Spiriferida - Mucrospiriferidae
Mucrospirifer sp. Grabau 1931
 Athyridida - Athyrididae
 Spiriferinida - Cyrtinidae
Strophomenata
 Strophomenida - Strophodontidae
"Strophodonta sp." = Strophomena (Strophodonta) Hall 1852
Pholidostrophia sp. Hall and Clarke 1892
Anthozoa
 Stauriida - Hadrophyllidae
Hadrophyllum orbignyi Milne-Edwards and Haime 1851 horn coral
 Auloporida - Auloporidae
Aulopora sp. Goldfuss 1829 tabulate coral