Hills Gulch bed, Jaycox Run, Jaycox Member, Livingston Co., NY (Devonian of the United States)

Where: Livingston County, New York (42.8° N, 77.8° W: paleocoordinates 36.7° S, 25.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; gray, silty limestone

• silty limestone

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 8991: authorized by Arnold Miller, entered by Karen Layou on 14.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Favositida - Micheliniidae
Antholites sp. Davis 1887 tabulate coral
 Stauriida - Stereolasmatidae
Stereolasma rectum Hall 1843 horn coral
Gastropoda
 Murchisoniina - Palaeozygopleuridae
 Bellerophontida - Bellerophontidae
Bellerophontidae indet. M'Coy 1851 snail
Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo constricta Conrad 1842 clam
[entered as Paleoneilo constricta]
 Modiomorphida - Modiomorphidae
Modiomorpha concentrica Conrad 1838 clam
 Myalinida - Ambonychiidae
"Plethomytilus oviformis" = Mytilarca (Plethomytilus) oviformis
"Plethomytilus oviformis" = Mytilarca (Plethomytilus) oviformis Conrad 1842 clam
 Ostreida - Pterineidae
 Pectinida - Pterinopectinidae
Strophomenata
 Strophomenida - Chonetidae
 Strophomenida - Leptostrophiidae
 Strophomenida - Douvillinidae
Rhynchonellata
  - Tropidoleptidae
 Orthida - Rhipidomellidae
 Spiriferida - Spinocyrtiidae
 Spiriferida - Mucrospiriferidae
 Athyridida - Meristellidae
 Athyridida - Athyrididae
 Terebratulida - Cryptonellidae
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
fenestrates
Stenolaemata
 Cryptostomata - Rhinidictyidae
Stictopora sp. Hall 1847
Trilobita
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite