Coolinia-Stegerhynchus subcommunity of the lower Rochester Shale and Herkimer Fo (Silurian of the United States)

Where: New York (43.2° N, 77.6° W: paleocoordinates 27.4° S, 43.7° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Lewiston Member (Rochester Shale Formation), Wenlock (433.4 - 427.4 Ma)

• The collection is from the transitional area between the Lewiston Member of the Rochester Shale and the chronostratigraphic equivalent basal Joslin Hill Member of the Herkimer Formation.

• member-level stratigraphic resolution

Environment/lithology: offshore; lithified, gray, silty, calcareous mudstone and lithified, argillaceous limestone

• 2003:04:06 SEP environmental/tectonic/sequence calls based on field knowledge familiarity with stratigraphic context.

Primary reference: C. E. Brett. 1999. Wenlockian fossil communities in New York State and adjacent areas: Paleontology and Paleoecology. In A. J. Boucot, J. D. Lawson (eds.), Paleocommunities: A Case Study from the Silurian and Lower Devonian 592-637 [M. Foote/K. Koverman/J. Alroy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 12935: authorized by Michael Foote, entered by Kimberly Koverman on 11.01.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Scyphozoa
 Conulariida - Conulariidae
Conularia sp. jellyfish
Gastropoda
 Murchisoniina -
Murchisonioidea indet. Koken 1896 snail
 Euomphalina - Platyceratidae
Naticonema sp. Perner 1903 snail
Bivalvia
 Ostreida - Pterineidae
 Modiomorphida - Modiomorphidae
Modiolopsis sp. Hall 1847 clam
 Solemyida - Ctenodontidae
Ctenodonta sp. Salter 1852 clam
Strophomenata
 Orthotetida - Chilidiopsidae
"Coolinia subplana" = Fardenia (Coolinia), "Coolinia spp." = Fardenia (Coolinia)
"Coolinia subplana" = Fardenia (Coolinia)
"Coolinia spp." = Fardenia (Coolinia) Bancroft 1949
 Strophomenida - Sowerbyellidae
"Eoplectodonta transversalis" = Eoplectodonta (Eoplectodonta) transversalis
"Eoplectodonta transversalis" = Eoplectodonta (Eoplectodonta) transversalis Wahlenberg 1818
 Strophomenida - Strophodontidae
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda Hall 1852
 Strophomenida - Amphistrophiidae
Mesodouvillina sp. Williams 1950
 Strophomenida - Rafinesquinidae
Leptaena ? rhomboidalis Wahlenberg 1818
Leptaena ' rhomboidalis'
 Strophomenida - Strophonellidae
Strophonella sp. Hall 1879
Rhynchonellata
 Rhynchonellida - Rhynchotrematidae
 Rhynchonellida - Trigonirhynchiidae
 Rhynchonellida - Uncinulidae
Uncinulus sp. Bayle 1878
 Orthida - Rhipidomellidae
Dalejina sp. Havlicek 1953
 Pentamerida - Pentameridae
 Spiriferida - Cyrtiidae
 Spiriferida - Delthyrididae
? Howellella sp. Kozlowski 1946
 Athyridida - Rhynchospirinidae
Homoeospira sp. Hall and Clarke 1893
 Athyridida - Meristellidae
Whitfieldella spp. Hall and Clarke 1893
Ostracoda
 Beyrichicopida - Aechminidae
Trilobita
 Phacopida - Homalonotidae
 Phacopida - Calymenidae
Calymene niagarensis Hall 1843 trilobite
 Phacopida - Dalmanitidae
Crinoidea
 Diplobathrida - Dimerocrinitidae
Dimerocrinites sp. Phillips 1839 Sea lily
 Life -
"Paraechmina spinosa" = Cytherina spinosa
"Paraechmina spinosa" = Cytherina spinosa Hall 1852