Beecher's Trilobite Bed (Ordovician of the United States)

Where: New York (43.2° N, 75.5° W: paleocoordinates 26.4° S, 50.4° W)

• coordinate based on political unit

When: Utica Shale Formation, Katian (453.0 - 445.2 Ma)

Environment/lithology: marine; black shale

• "black sh. low oxygen basin BA6. tectonic basin"

Size class: macrofossils

Preservation: replaced with pyrite

Primary reference: J.L. Cisne. 1973. Beecher’s Trilobite Bed revisited; ecology of an Ordovician deepwater fauna. Postilla 160:1-25 [P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 340: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998, edited by Pete Wagner, Martin Smith and Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

• Originally from Sepkoski's lists; reassigned to original reference. "J.Cisne, 1973. Postilla #160"
Show authors, comments, and common names
unclassified
  -
Crinoiodea indet.
Palaeoscolecida
  -
Protoscolex sp.
Megacheira
 Leanchoiliida - Leanchoiliidae
Lomankus edgecombei n. gen. n. sp.1
Lomankus edgecombei n. gen. n. sp.1 Parry et al. 2024
Ostracoda
 Palaeocopida - Primitiidae
Primitia sp.
Primitia sp. Jones and Holl 1923 ostracod
 Palaeocopida - Aparchitidae
Aparchites sp.
 Myodocopida -
Luprisca incuba n. gen. n. sp.2
Luprisca incuba n. gen. n. sp.2 Siveter et al. 2014 ostracod
Trilobita
 Odontopleurida - Odontopleuridae
Primaspis crosotus
Primaspis crosotus trilobite
originally entered as "Primaspis sp."
 Trinucleida - Trinucleidae
"Cryptolithus bellulus" = Cryptolithus tessellatus
"Cryptolithus bellulus" = Cryptolithus tessellatus Green 1832 trilobite
originally entered as "Cryptolithus sp."
 Olenida - Olenidae
Triarthrus eatoni
Triarthrus eatoni Hall 1838 trilobite
originally entered as "Triarthurus sp."
 Proetida - Proetidae
"Cornuproetus beecheri" = Ogmocnemis beecheri
"Cornuproetus beecheri" = Ogmocnemis beecheri Ruedemann 1926 trilobite
originally entered as "Cornuproteus sp."
Polychaeta
 Cuniculepadida - Lepidocoleidae
Lepidocoleus jamesi
Lepidocoleus jamesi Hall and Whitfield 1875 scale worm
originally entered as "Lepidocoleus sp."
 Serpulimorpha -
Serpulites sp.
Bivalvia
 Pholadomyida - Pholadomyidae
Rhytimya sp.
Rhytimya sp. Ulrich 1893 clam
Rhynchonellata
 Rhynchonellida - Camarotoechiidae
? Camarotoechia humilis
? Camarotoechia humilis
originally entered as "Camarotoechia sp."
Lingulata
 Lingulida - Trematidae
Trematis sp.
Trematis sp. Sharpe 1848
 Lingulida - Discinidae
Orbiculoidea tenuistriata
Orbiculoidea tenuistriata
originally entered as "Orbiculoidea sp."
 Lingulida - Lingulasmatidae
"? Lingula progne" = Lingulasma progne
"? Lingula progne" = Lingulasma progne Billings 1862
originally entered as "? Lingula sp."
 Lingulida - Obolidae
Leptobolus insignis
Leptobolus insignis Hall 1871
originally entered as "Leptobolus sp."
Craniata
 Craniida - Craniidae
"Schizocrania filosa" = Orbicula filosa
"Schizocrania filosa" = Orbicula filosa Hall 1847
originally entered as "Schizocrania sp."
Stenolaemata
 Cryptostomata - Arthrostylidae
Arthrostylus tenius
Asteroidea
 Euaxosida - Mesopalaeasteridae
? Mesopalaeaster lanceolatus
? Mesopalaeaster lanceolatus Schuchert 1915 sea star
originally entered as "Mesopaleaster sp."
Pterobranchia
 Graptoloidea - Mastigograptidae
Mastigograptus sp.
Mastigograptus sp. Ruedemann 1908 graptolite
 Graptoloidea - Climacograptidae
Climacograptus sp.
Climacograptus sp. Hall 1865 climacograptid
 Dendroidea -
Dendroidea indet.
Dendroidea indet. Nicholson 1872 graptolite
originally entered as "Dendroidea sp."
Hydrozoa
 Hydroida -
Inocaulis aborescens
Inocaulis aborescens
originally entered as "Inocaulis sp."
Hexactinellida
 Reticulosa - Dierespongiidae
Polyplectella mira
Polyplectella mira glass sponge
Nectocarididae
  - Nectocarididae
Nectocotis rusmithi3
Nectocotis rusmithi3 Smith 2019
1Parry et al. 2024; 2Siveter et al. 2014; 3Smith 2019