LC7J Hamilton area (Devonian of the United States)

Also known as Redgate Farm Ludlowville Formation, Centerfield member, Halls Landing Beds Creek at Redgate Farm 4.5 mi S of Hamilton, Madison Co., Hamilton Quad

Where: Madison County, New York (42.8° N, 75.5° W: paleocoordinates 38.2° S, 23.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: lower varcus conodont zone, Centerfield Member (Ludlowville Formation), 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 91249: authorized by Brad Deline, entered by Brad Deline on 13.09.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Coleolus
  - Coleolidae
Anthozoa
 Favositida - Micheliniidae
 Favositida - Favositidae
Favosites placenta tabulate coral
 Stauriida - Stereolasmatidae
Stereolasma rectum Hall 1843 horn coral
 Cystiphyllida - Cystiphyllidae
Stenolaemata
 Cryptostomata - Acanthocladiidae
 Cryptostomata - Fenestellidae
Lingulata
 Lingulida - Discinidae
Rhynchonellata
  - Tropidoleptidae
 Terebratulida - Cryptonellidae
 Orthida - Rhipidomellidae
 Athyridida - Athyrididae
 Spiriferida - Spinocyrtiidae
 Spiriferida - Ambocoeliidae
Ambocoelia umbonata Conrad 1842
 Spiriferida - Elythidae
Elita fimbriata Conrad 1842
 Spiriferida - Mucrospiriferidae
 Spiriferida - Hysterolitidae
 Atrypida - Atrypidae
Strophomenata
 Strophomenida - Chonetidae
 Productida - Productellidae
Gastropoda
 Murchisoniina - Palaeozygopleuridae
 Murchisoniina - Soleniscidae
"Macrocheilus sp." = Strobeus
"Macrocheilus sp." = Strobeus de Koninck 1881 snail
Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo emarginata Conrad 1841 clam
 Nuculanida - Polidevciidae
 Nuculanida - Cucullellidae
Nuculites oblongatus Conrad 1841 clam
 Nuculida - Nuculidae
Nuculoidea lirata Conrad 1842 nut clam
 Arcida - Parallelodontidae
 Myalinida - Lunulacardiidae
 Myalinida - Ambonychiidae
"Plethomytilus oviformis" = Mytilarca (Plethomytilus) oviformis
"Plethomytilus oviformis" = Mytilarca (Plethomytilus) oviformis Conrad 1842 clam
 Solenida - Orthonotidae
 Cardiidia - Sanguinolitidae
 Cardiidia - Grammysiidae
 Modiomorphida - Carydiidae
 Modiomorphida - Cypricardiniidae
Cypricardinia indenta Conrad 1842 clam
Trilobita
 Phacopida - Phacopidae
"cf. Phacops rana" = Eldredgeops rana
"cf. Phacops rana" = Eldredgeops rana Green 1832 trilobite
 Phacopida - Acastidae
cf. Greenops boothi trilobite
or G. graba
 Phacopida - Homalonotidae
Dipleura dekayi Green 1832 trilobite