Layer 13 (14) (Ordovician of the United States)

Where: New York (43.3° N, 75.1° W: paleocoordinates 28.9° S, 57.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Spillway Member (Rust Formation), Middle Ordovician (470.0 - 458.4 Ma)

Environment/lithology: marine; lithified, lenticular, fine-grained, shelly/skeletal wackestone

• fine grained, fossiliferous calcarenite. This later is highly lenticular

Size class: macrofossils

Collected by Thomas E. Whiteley in 1990-1999; reposited in the MCZ

Collection methods: surface (in situ), mechanical,

Primary reference: C. E. Brett, T. E. Whiteley, P. A. Allison and E. L. Yochelson. 1999. The Walcott-Rust Quarry: Middle Ordovician Trilobite Konservat-Lagerstätten. Journal of Paleontology 73(2):288-305 [M. Hopkins/M. Hopkins/M. Hopkins]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 181523: authorized by Melanie Hopkins, entered by Melanie Hopkins on 15.09.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Remopleurididae
Hypodicranotus striatulus Walcott 1875 trilobite
 Asaphida - Asaphidae
Isotelus gigas Dekay 1824 trilobite
[Isotelus gingas]
 Phacopida - Cheiruridae
Ceraurus pleurexanthemus Green 1832 trilobite
 Corynexochida - Illaenidae
Bumastoides sp. Whittington 1954 trilobite
 Odontopleurida - Odontopleuridae
"Primaspis (cf. Primaspis) trentonensis" = Meadowtownella trentonensis, "Meadowtownella trentonensis" = Meadowtownella trentonensis
"Primaspis (cf. Primaspis) trentonensis" = Meadowtownella trentonensis Hall 1847 trilobite
"Meadowtownella trentonensis" = Meadowtownella trentonensis Hall 1847 trilobite
 Lichida - Lichidae
Polychaeta
 Cuniculepadida - Lepidocoleidae
Lepidocoleus jamesi Hall and Whitfield 1875 scale worm