Bed 204 (Ordovician of the United States)

Also known as SF 248

Where: Lewis County, New York (43.9° N, 75.5° W: paleocoordinates 26.8° S, 53.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Denley Limestone Formation, Mohawkian (457.3 - 451.0 Ma)

• Mohawkian

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• wave dissipation zone
• black; micritic

Size class: macrofossils

Preservation: original calcite

Collected by R. Titus

Collection methods: bulk,

Primary reference: R. Titus. 2007. R. Titus unpublished collections. [S. Finnegan/S. Finnegan]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 104606: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Flexibilia - Cupulocrinidae
 Inadunata - Merocrinidae
Merocrinus sp. Walcott 1884 Sea lily
 Myelodactylida - Iocrinidae
Iocrinus subcrassus Meek and Worthen 1865 Sea lily
Iocrinus trentonensis Walcott 1883 Sea lily
Strophomenata
 Strophomenida - Sowerbyellidae
 Strophomenida - Rafinesquinidae
Rhynchonellata
 Orthida - Plaesiomyidae
"Dinorthis iphigenia" = Plaesiomys iphigenia
"Dinorthis iphigenia" = Plaesiomys iphigenia Billings 1865
"jphigenia"
 Orthida - Dalmanellidae
Paucicrura rogata Sardeson 1892
 Atrypida - Anazygidae
"Anazyga recurvirostris" = Anazyga recurvirostra
"Anazyga recurvirostris" = Anazyga recurvirostra Hall 1847
Stenolaemata
 Cryptostomata - Rhinidictyidae
 Trepostomata - Aisenvergiidae
Trilobita
 Asaphida - Asaphidae
Isotelus gigas Dekay 1824 trilobite
 Phacopida - Cheiruridae
Ceraurus pleurexanthemus Green 1832 trilobite