Mudstone Interval, 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)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; gray mudstone

• 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. 1-121 [A. Miller/K. Layou/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 9017: 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.
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
crinoid stems and large holdfasts
 Cladida - Botryocrinidae
Costalocrinus sp. Jaekel 1918 Sea lily
Stenolaemata
 Cryptostomata - Rhinidictyidae
Stictopora sp. Hall 1847
Rhynchonellata
 Spiriferida - Mucrospiriferidae
 Spiriferida - Elythidae
Elita fimbriata Conrad 1842
 Spiriferida - Spinocyrtiidae
 Athyridida - Athyrididae
 Athyridida - Meristellidae
  - Tropidoleptidae
 Orthida - Rhipidomellidae
 Rhynchonellida - Camarotoechiidae
Camarotoechia sp. Hall and Clarke 1893
Strophomenata
 Productida - Productellidae
 Strophomenida -
"Chonetacea indet." = Chonetoidea
"Chonetacea indet." = Chonetoidea Bronn 1862
 Strophomenida - Douvillinidae
 Strophomenida - Leptostrophiidae
 Orthotetida - Schuchertellidae
Lingulata
 Lingulida - Lingulidae
Lingula sp. BruguiƩre 1797
Bivalvia
 Myalinida - Ambonychiidae
"Plethomytilus oviformis" = Mytilarca (Plethomytilus) oviformis
"Plethomytilus oviformis" = Mytilarca (Plethomytilus) oviformis Conrad 1842 clam
 Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851 scallop
 Pectinida - Pterinopectinidae
Pterinopecten sp. Hall 1883 scallop
Gastropoda
 Euomphalina - Platyceratidae
"Naticonema lineata" = Platyostoma lineata
"Naticonema lineata" = Platyostoma lineata Conrad 1842 snail
Trilobita
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite