Trilobite Beds 12, Ludlowville Formation; Smoke Creek (Devonian of the United States)

Where: New York (43.0° N, 79.0° W: paleocoordinates 36.3° S, 26.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Wanakah Shale / Darien Center Member (Ludlowville Formation), Givetian (387.7 - 382.7 Ma)

• Listed as Givetian

• formation-level stratigraphic resolution

Environment/lithology: offshore shelf; poorly lithified, gray, calcareous shale and lithified, argillaceous limestone

• Below maximum storm base, low turbidity, "upper dysaerobic"
• Gray calcareous shale with several thin, argillaceous limestone beds

Size classes: macrofossils, mesofossils

Primary reference: R. J. Batt. 1995. A test of a new technique illustrating faunal dominance trends: Application to the “Trilobite Beds” interval of the Middle Devonian Wanakah Shale in western New York. Lethaia 28:245-258 [P. Novack-Gottshall/P. Hearn/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 74995: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 13.09.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Ambocoeliid indet., Chonetid indet.
Trilobita
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
Cephalopoda
 Orthocerida - Orthoceratidae
Michelinoceras sp.
Michelinoceras sp. Foerste 1932
Bivalvia
 Nuculida - Nuculidae
Nuculoidea corbuliformis
Nuculoidea corbuliformis Hall and Whitfield 1869 nut clam
 Myalinida - Lunulacardiidae
Pterochaenia fragilis
 Cardiida -
Cypricardella sp.
Cypricardella sp. Hall 1856 clam
Rhynchonellata
 Spiriferida - Mucrospiriferidae
Mucrospirifer mucronata
Strophomenata
 Orthotetida - Areostrophiidae
"Eoschuchertella arctostriata" = Floweria arctostriata
"Eoschuchertella arctostriata" = Floweria arctostriata Hall 1843