Trilobite Beds 5, Ludlowville Formation; Rush Creek (Devonian of the United States)

Also known as Wanakah Shale / Darien Center Submember

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, Trilobite Beds 5

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; poorly lithified, gray shale and lithified, concretionary, argillaceous limestone

• At or just below maximum storm base, low turbidity
• Gray shale with several thin, argillaceous limestone beds and concretion horizons

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 74984: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 13.09.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Anthozoa
 Auloporida - Aulocystidae
Aulocystis dichotoma tabulate coral
Trilobita
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
 Phacopida - Acastidae
Greenops sp. Delo 1935 trilobite
Rhynchonellata
 Spiriferida - Mucrospiriferidae
 Athyridida - Nucleospiridae
Bivalvia
 Nuculida - Nuculidae
Nuculoidea corbuliformis Hall and Whitfield 1869 nut clam