Cottage City Coral bed, Hills Gulch, Jaycox Member, Genesee Co., NY (Devonian of the United States)

Where: Genesee County, New York (43.0° N, 78.1° W: paleocoordinates 36.5° S, 25.6° W)

• coordinate based on political unit

• 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, calcareous mudstone

• calcareous mudstone

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. unpublished M.S. thesis, State University of New York College at Fredonia 1-121 [A. Miller/K. Layou]more details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 8987: authorized by Arnold Miller, entered by Karen Layou on 14.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• Straight burrows were also present in this bed.
Trilobita
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
 Phacopida - Acastidae
Greenops boothi trilobite
Strophomenata
 Orthotetida - Schuchertellidae
 Strophomenida - Douvillinidae
 Strophomenida - Leptostrophiidae
 Strophomenida - Strophodontidae
Rhynchonellata
 Athyridida - Parazygidae
Parazyga hirsuta Hall 1857
 Athyridida - Meristellidae
 Spiriferida - Spinocyrtiidae
 Spiriferida - Mucrospiriferidae
 Spiriferida - Elythidae
Elita fimbriata Conrad 1842
 Pentamerida - Clorindidae
 Atrypida - Atrypidae
Atrypa reticularis Linnaeus 1758
 Rhynchonellida - Camarotoechiidae
Camarotoechia sp. Hall and Clarke 1893
 Orthida - Rhipidomellidae
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
small bivalves
 Pectinida - Pterinopectinidae
Pterinopecten sp. Hall 1883 scallop
 Ostreida - Pterineidae
 Carditida - Crassatellidae
 Modiomorphida - Modiomorphidae
Modiomorpha concentrica Conrad 1838 clam
Gastropoda
 Euomphalina - Platyceratidae
Platyceras sp., "Naticonema lineata" = Platyostoma lineata
Platyceras sp. Conrad 1840 snail
"Naticonema lineata" = Platyostoma lineata Conrad 1842 snail
 Bellerophontida - Bellerophontidae
Bellerophontidae indet. M'Coy 1851 snail
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
fenestrates
Stenolaemata
 Cyclostomata - Hederellidae
Hederella sp. Hall 1883
 Cystoporida - Fistuliporidae
Fistuliporidae indet. Ulrich 1882
massive forms
 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
Anthozoa
 Favositida - Favositidae
Favosites argus Hall 1876 tabulate coral
 Stauriida - Zaphrentidae
Heliophyllum halli Edwards and Haime 1851 horn coral
 Stauriida - Eridophyllidae