Normanskill Fm., Ord. (Caradoc; Black River or Wilderness) (Ordovician of the United States)

Where: New York (42.7° N, 73.8° W: paleocoordinates 29.1° S, 54.7° W)

• coordinate based on political unit

When: Normanskill Formation, Black River (460.9 - 457.5 Ma)

• "Ord. (Black River or Wilderness). Caradoc"

Environment/lithology: submarine fan; black sandstone and shale

• "Black sh and graywacke. deepwater (BA6)"

Size class: macrofossils

Primary reference: W. B. N. Berry. 1962. Stratigraphy, zonation and age of the Schaghticoke, Deepkill, and Normanskill Shales, eastern New York. Geological Society America Bulletin 73:695-718 [M. Uhen/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 328: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Ruedemann, 1934. Berry, 1962"
 Asaphida - Asaphidae
Niobe sp. Angelin 1851 trilobite
 Phyllocarida - Caryocarididae
Caryocaris sp. Salter 1863
 Phyllocarida -
 Xiphosurida -
Eurypterida indet. Burmeister 1843 eurypterid
very questionable
 Lingulida - Discinidae
Schizotreta sp. Kutorga 1848
 Lingulida - Disciniidae
Orbiculoidea sp. d'Orbigny 1847
 Lingulida - Obolidae
Leptobolus sp. Hall 1871
 Lingulida - Paterulidae
Paterula sp. Barrande 1879
 Diplograptoidea - Diplograptidae
Orthograptus sp. Lapworth 1873 diplograptoid
Corynoides sp. Nicholson 1867 diplograptoid
Diplograptus sp. diplograptoid
Amplexograptus sp. diplograptoid
 Graptoloida -
Nemagraptus sp. graptoloid
Leptograptus sp. graptoloid
Glossograptus sp. graptoloid
 Graptoloida - Abrograptidae
Reteograptus sp. graptoloid
originally entered as "Retiograptus sp."
 Bireclinata - Retiolitidae
 Bireclinata - Lasiograptidae
Hallograptus sp. Lapworth 1876 lasiograptid
 Bireclinata -
Dicranograptus sp. Hall 1865 graptoloid
Dicellograptus sp. Hopkinson 1871 graptoloid
Climacograptus sp. Hall 1865 climacograptid