Sponge-Megastrophia bed, Jaycox Run, Jaycox Member, Livingston Co., NY (Devonian of the United States)

Where: Livingston County, New York (42.8° N, 77.8° W: paleocoordinates 36.7° S, 25.4° 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

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 8994: authorized by Arnold Miller, entered by Karen Layou on 14.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Fistulioporidae indet., Conostichnus sp.
Fistulioporidae indet.
massive forms
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
crinoid stems and large holdfasts
Craniata
 Craniida - Craniidae
"Craniella hamiltoniae" = Petrocrania hamiltoniae
"Craniella hamiltoniae" = Petrocrania hamiltoniae Hall 1867
Strophomenata
 Strophomenida - Chonetidae
Devonochonetes scitulus
 Strophomenida - Strophodontidae
Megastrophia concava
 Strophomenida - Douvillinidae
Douvillina inequistriata
 Strophomenida - Leptostrophiidae
Mesoleptostrophia junia
Rhynchonellata
 Pentamerida - Clorindidae
Pentamerella pavillionensis
 Spiriferida - Mucrospiriferidae
Mucrospirifer mucronatus
 Spiriferida - Spinocyrtiidae
Mediospirifer audaculus
 Athyridida - Parazygidae
Parazyga hirsuta
Parazyga hirsuta Hall 1857
 Terebratulida - Cryptonellidae
Cryptonella rectirostra
 Orthida - Rhipidomellidae
Rhipidomella sp.
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831
fenestrates
Stenolaemata
 Cryptostomata - Rhinidictyidae
Stictopora sp.
Stictopora sp. Hall 1847
Gastropoda
 Murchisoniina - Gosseletinidae
Mourlonia sp.
Mourlonia sp. de Koninck 1883 snail
 Euomphalina - Platyceratidae
Platyceras sp.
Platyceras sp. Conrad 1840 snail
Bivalvia
 Modiomorphida - Cypricardiniidae
Cypricardinia indenta
Cypricardinia indenta Conrad 1842 clam
Trilobita
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
 Phacopida - Acastidae
Greenops boothi
Greenops boothi trilobite
Anthozoa
 Stauriida - Zaphrentidae
Heliophyllum confluens, Heliophyllum halli
Heliophyllum confluens Hall 1876 horn coral
Heliophyllum halli Edwards and Haime 1851 horn coral
 Stauriida - Eridophyllidae
Eridophyllum subcaespitosum
 Favositida - Micheliniidae
Antholites sp.
Antholites sp. Davis 1887 tabulate coral
 Auloporida - Auloporidae
Auloporidae indet.
Auloporidae indet. Milne-Edwards and Haime 1850 tabulate coral
Demospongiae
 Lithistida -
Lithistida indet.
Lithistida indet. demosponge
lithistid demosponges