Tropidoleptus-Longispina interval, Canandaigua Lake Valley, Jaycox Member, Ontar (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 siltstone

• siltstone

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 9002: 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. Straight burrows were also recorded for this bed.
unclassified
  -
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
crinoid stems
Blastoidea
 Spiraculata - Nucleocrinidae
Placoblastus sp. Fay 1961 blastoid
Gastropoda
 Euomphalina - Platyceratidae
"Naticonema lineata" = Platyostoma lineata
"Naticonema lineata" = Platyostoma lineata Conrad 1842 snail
Bivalvia
 Cardiidia - Grammysiidae
Strophomenata
 Strophomenida - Chonetidae
 Strophomenida - Douvillinidae
Rhynchonellata
  - Tropidoleptidae
 Spiriferida - Spinocyrtiidae
 Spiriferida - Mucrospiriferidae
 Athyridida - Rhynchospirinidae
 Athyridida - Meristellidae
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
fenestrates
Stenolaemata
 Cystoporata - Fistuliporidae
Fistuliporidae indet. Ulrich 1882
massive forms
Trilobita
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
 Ichnofossils -
Zoophycos sp. Massalongo 1855