Sponge-Megastrophia 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, calcareous mudstone

• silty, calcareous mudstone

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. unpublished M.S. thesis, State University of New York College at Fredonia 1-121 [A. Miller/K. Layou]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 9020: 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.
unclassified
  -
Trilobita
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
 Phacopida - Acastidae
Greenops boothi trilobite
 Proetida - Proetidae
Proetidae indet. Salter 1864 trilobite
Strophomenata
 Strophomenida - Douvillinidae
 Strophomenida - Leptostrophiidae
 Strophomenida - Strophodontidae
Rhynchonellata
 Athyridida - Rhynchospirinidae
 Athyridida - Meristellidae
 Athyridida - Athyrididae
 Spiriferida - Spinocyrtiidae
 Spiriferida - Mucrospiriferidae
 Spiriferida - Elythidae
Elita fimbriata Conrad 1842
  - Tropidoleptidae
 Orthida - Rhipidomellidae
Bivalvia
 Myalinida - Ambonychiidae
"Plethomytilus oviformis" = Mytilarca
"Plethomytilus oviformis" = Mytilarca clam
 Carditida - Cardiniidae
Cypricardinia indenta Conrad 1842 clam
 Protobranchia -
Palaeoneilo sp. Hall and Whitfield 1869 clam
[entered as Paleoneilo sp.]
Gastropoda
 Euomphalina - Platyceratidae
Platyceras sp., "Naticonema lineata" = Platyostoma lineata
Platyceras sp. Conrad 1840 snail
"Naticonema lineata" = Platyostoma lineata Conrad 1842 snail
 Murchisoniina - Gosseletinidae
Mourlonia sp. de Koninck 1883 snail
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
fenestrates
Stenolaemata
 Cystoporida - Fistuliporidae
Fistuliporidae indet. Ulrich 1882
branching
 Cryptostomata - Rhinidictyidae
Stictopora sp. Hall 1847
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
crinoid stems and large holdfasts
 Cladida - Botryocrinidae
Costalocrinus sp. Jaekel 1918 Sea lily
 Camerata - Rhodocrinidae
Gilbertsocrinus sp. Phillips 1836 Sea lily
Anthozoa
 Favositida - Pachyporidae
Thamnoptychia sp. Hall 1876 tabulate coral
 Stauriida - Stereolasmatidae