Also known as East Avon Ludlowville Formation, Jaycox member Cuts for I-390 near Sutton Rd., East Avon, Livingston co. Geneseo Quad
Where: Livingston County, New York (42.9° N, 77.7° W: paleocoordinates 37.7° S, 25.1° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: lower varcus conodont zone, Jaycox Formation (Hamilton Group), Middle Devonian (393.3 - 382.7 Ma)
Environment/lithology: open shallow subtidal; lithified, argillaceous, muddy lime mudstone
Size class: macrofossils
Preservation: mold/impression
Collection methods: bulk,
Primary reference: L. C. Ivany, C. E. Brett, H. L. B. Wall, P. D. Wall, and J. C. Handley. 2009. Relative taxonomic and ecological stability in Devonian marine faunas of New York State: a test of coordinated stasis. Paleobiology 35(4):499-524 [B. Deline/B. Deline/M. Uhen]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 91278: authorized by Brad Deline, entered by Brad Deline on 14.09.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Anthozoa | |
Heterophrentis prolifica horn coral | |
Heliophyllum halli Edwards and Haime 1851 horn coral
Heliophyllum confluens Hall 1876 horn coral | |
Pleurodictyum americanum tabulate coral | |
Gastropoda | |
"Naticonema lineatum" = Platyostoma lineata
"Naticonema lineatum" = Platyostoma lineata Conrad 1842 snail | |
Bivalvia | |
"Plethomytilus oviformis" = Mytilarca (Plethomytilus) oviformis
"Plethomytilus oviformis" = Mytilarca (Plethomytilus) oviformis Conrad 1842 clam | |
Aviculopecten sp. M'Coy 1851 scallop | |
"Goniophora hamiltonensis" = Goniomorpha hamiltonensis
"Goniophora hamiltonensis" = Goniomorpha hamiltonensis Hall and Whitfield 1869 clam | |
Cypricardinia indenta Conrad 1842 clam | |
Strophomenata | |
"Retichonetes (Sinochonetes) lepidus" = Klocinetes lepidus
"Retichonetes (Sinochonetes) lepidus" = Klocinetes lepidus Hall 1857 | |
Devonochonetes scitulus Hall 1857 | |
Protoleptostrophia perplana Conrad 1839 | |
Rhynchonellata | |
Tropidoleptus carinatus Conrad 1839 | |
Rhipidomella vanuxemi Hall 1857 | |
Mediospirifer audaculus Conrad 1842 | |
Elita fimbriata Conrad 1842 | |
Parazyga hirsuta Hall 1857 | |
Nucleospira concinna Hall 1843 | |
Stenolaemata | |
Reptaria stolonifera Rolle 1851 | |
Trilobita | |
Basidechenella rowi Green 1838 trilobite | |
"cf. Phacops rana" = Eldredgeops rana
"cf. Phacops rana" = Eldredgeops rana Green 1832 trilobite | |
Bellacartwrightia phyllocaudata trilobite | |
Blastoidea | |
Placoblastus sp. Fay 1961 blastoid |