Harvey Branch, N of Oldenburg (Ordovician of the United States)

Also known as collection IND-1; Salt Creek

Where: Franklin County, Indiana (39.3° N, 85.2° W)

• Paleocoordinates: 24.8° S, 112.7° W (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bull Fork Formation, Richmondian (449.6 - 445.5 Ma)

• "Upper 25 ft of the 'Waynesville biofacies' and lower 15 ft of the 'Liberty biofacies'."

• member-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; claystone and shelly/skeletal limestone

• " [...] deposited in deeper water, lower-energy environments, [...]. Water depths were below fair-weather wave base but within the zone of storm-current reworking, [...] "
• " [...] interbedded clay shale and thin fossiliferous limestone [...]. Preserved faunas contains diverse, abundant brachiopods, bryozoans, corals, stromatoporoids, gastropods, nautiloids, pelecypods, ostracodes, trilobites, and crinoids."

Size class: macrofossils

Preservation: recrystallized, replaced with calcite

Collection methods: MU = Limper Museum of Geology at Miami University

•UC = University of Cincinnati

Primary reference: R. C. Frey. 1995. Middle and Upper Ordovician nautiloid cephalopods of the Cincinnati Arch region of Kentucky, Indiana, and Ohio. U.S. Geological Survey Professional Paper 1066P:1-126 [S. Holland/S. Holland]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87928: authorized by Björn Kröger, entered by Torsten Liebrecht on 29.03.2009

Creative Commons license: CC0 (CC0)

Taxonomic list

• see comments on lithology
Cephalopoda
 Orthocerida - Proteoceratidae
Treptoceras fosteri Miller 1875
UC 28389 (hypotype)
 Orthocerida - Orthoceratidae
Pleurorthoceras clarksvillense Foerste 1924
MU 444T, 29855 (suite of 5 specimens)
 Oncocerida - Diestoceratidae
Diestoceras waynesvillense n. sp. Flower 1946
MU 446T (holotype)
Stenolaemata
 Cystoporata - Ceramoporidae
Spatiopora sp. Ulrich 1882
encrusting on nautiloid shells; no number of specimens/individuals given