Barren Shale, Canandaigua Lake Valley, Jaycox Member, Ontario Co., NY (Devonian of the United States)

Where: Ontario County, New York (42.8° N, 77.3° W: paleocoordinates 36.8° S, 24.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Jaycox Member (Ludlowville Formation), Givetian (387.7 - 382.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; gray, calcareous shale

• calcareous shale

Preservation: trace

Collection methods: surface (in situ),

Primary reference: S. M. Mayer. 1989. Stratigraphy and Paleontology of the Jaycox Shale Member, Hamilton Group of the Finger Lakes Region of New York State. 1-121 [A. Miller/K. Layou/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 9004: authorized by Arnold Miller, entered by Karen Layou on 14.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• This list is a composite list for this interval for the four localities listed above.
unclassified
  -
Fistulioporidae indet.
massive forms
Trilobita
 Phacopida - Acastidae
Greenops boothi trilobite
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo sp. Hall and Whitfield 1869 clam
[entered as Paleoneilo sp.]
Rhynchonellata
 Spiriferida - Mucrospiriferidae
  - Tropidoleptidae
Strophomenata
 Strophomenida - Leptostrophiidae
 Strophomenida - Chonetidae
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
fenestrates
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
crinoid stems
 Ichnofossils -
Zoophycos sp. Massalongo 1855