Sponge-Megastrophia bed, Canandaigua Lake Valley, Jaycox Member, Ontario Co., NY (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)

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; gray, calcareous mudstone

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

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 9005: 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.
Show authors, comments, and common names
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
crinoid stems and large holdfasts
 Monobathrida - Dolatocrinidae
Dolatocrinus liratus
Gastropoda
 Euomphalina - Platyceratidae
Platyceras sp., "Naticonema lineata" = Platyostoma lineata
Platyceras sp. Conrad 1840 snail
"Naticonema lineata" = Platyostoma lineata Conrad 1842 snail
Bivalvia
 Modiomorphida - Cypricardiniidae
Cypricardinia indenta
Cypricardinia indenta Conrad 1842 clam
Rhynchonellata
 Pentamerida - Clorindidae
Pentamerella pavillionensis
 Rhynchonellida - Camarotoechiidae
Camarotoechia sp.
Camarotoechia sp. Hall and Clarke 1893
 Spiriferida - Mucrospiriferidae
Mucrospirifer mucronatus
 Spiriferida - Elythidae
Elita fimbriata
Elita fimbriata Conrad 1842
 Athyridida - Athyrididae
Athyris spiriferoides
 Athyridida - Parazygidae
Parazyga hirsuta
Parazyga hirsuta Hall 1857
 Orthida - Rhipidomellidae
Rhipidomella sp.
Strophomenata
 Strophomenida - Douvillinidae
Douvillina inequistriata
 Strophomenida - Strophodontidae
Megastrophia concava
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831
fenestrates
Stenolaemata
 Cystoporata - Botrylloporidae
Botryllopora sp.
 Cystoporata - Fistuliporidae
Fistuliporidae indet.
Fistuliporidae indet. Ulrich 1882
massive forms
 Cryptostomata - Rhinidictyidae
Stictopora sp.
Stictopora sp. Hall 1847
Trilobita
 Proetida - Proetidae
Proetidae indet.
Proetidae indet. Salter 1864 trilobite
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
Anthozoa
 Stauriida - Stereolasmatidae
Amplexiphyllum hamiltoniae
 Stauriida - Eridophyllidae
Eridophyllum subcaespitosum
 Stauriida - Zaphrentidae
Heliophyllum halli
Heliophyllum halli Edwards and Haime 1851 horn coral
 Favositida - Favositidae
Favosites hamiltoniae
Favosites hamiltoniae tabulate coral
Demospongiae
 Lithistida -
Lithistida indet.
Lithistida indet. demosponge
lithistid demosponges