Hills Gulch Bed, Jaycox Member, Seneca Lake Valley, Ontario Co., NY (Devonian of the United States)

Where: Ontario County, New York (42.8° N, 77.0° W: paleocoordinates 36.9° S, 24.6° W)

• coordinate based on nearby landmark

• local area-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

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 9016: authorized by Arnold Miller, entered by Karen Layou on 15.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• This list is a composite faunal list for the three localities listed above.
Show authors, comments, and common names
unclassified
  -
Fistulioporidae indet., Spirobis sp.
Fistulioporidae indet.
massive forms
Anthozoa
 Favositida - Micheliniidae
Antholites sp.
Antholites sp. Davis 1887 tabulate coral
 Favositida - Pachyporidae
Thamnoptychia sp.
Thamnoptychia sp. Hall 1876 tabulate coral
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
crinoid stems
 Cladida - Botryocrinidae
Costalocrinus sp.
Costalocrinus sp. Jaekel 1918 Sea lily
Trilobita
 Phacopida - Acastidae
Greenops boothi
Greenops boothi Green 1837 trilobite
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831
fenestrates
Stenolaemata
 Cryptostomata - Rhinidictyidae
Stictopora sp.
Stictopora sp. Hall 1847
Rhynchonellata
 Spiriferida - Spinocyrtiidae
Mediospirifer audaculus
 Spiriferida - Mucrospiriferidae
Mucrospirifer mucronatus
  - Tropidoleptidae
Tropidoleptus carinatus
Strophomenata
 Strophomenida - Chonetidae
Longispina mucronatus
 Strophomenida - Leptostrophiidae
Protoleptostrophia perplana
 Strophomenida - Douvillinidae
Douvillina inequistriata
Gastropoda
 Euomphalina - Platyceratidae
"Naticonema lineata" = Platyostoma lineata, Platyceras sp.
"Naticonema lineata" = Platyostoma lineata Conrad 1842 snail
Platyceras sp. Conrad 1840 snail
Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo sp.
Palaeoneilo sp. Hall and Whitfield 1869 clam
[entered as Paleoneilo sp.]
 Modiomorphida - Modiomorphidae
Modiomorpha pygmaea, Goniophora sp.
Goniophora sp. Phillips 1848 clam
 Myalinida - Ambonychiidae
"Plethomytilus oviformis" = Mytilarca (Plethomytilus) oviformis
"Plethomytilus oviformis" = Mytilarca (Plethomytilus) oviformis Conrad 1842 clam
 Pectinida - Aviculopectinidae
Aviculopecten sp.
Aviculopecten sp. M'Coy 1851 scallop