Shingle Limestone, meter 45, Zone 11, Shingle Pass, Nevada (Ordovician of the United States)

Where: Nevada (39.6° N, 115.1° W: paleocoordinates 6.7° S, 79.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Shingle Limestone Formation, Whiterockian (471.8 - 457.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified, shelly/skeletal limestone

• cyclical alternations of massive limestones with interbedded recessive thin-bedded limestones and shales

Size class: macrofossils

Reposited in the USNM

Collection methods: bulk, mechanical,

Primary reference: R. A. Fortey and M.L. Droser. 1996. Trilobites at the base of the Middle Ordovician, western United States. Journal of Paleontology 70(1):73-991 [S. Holland/S. Holland/S. Holland]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 37481: authorized by Steven Holland, entered by Steven Holland on 15.03.2004, edited by Melanie Hopkins

Creative Commons license: CC BY (attribution)

Taxonomic list

 Corynexochida - Illaenidae
Illaenus sp. Dalman 1827 trilobite
 Phacopida - Pliomeridae
Ectenonotus whittingtoni Ross and Barnes 1967 trilobite
 Proetida - Dimeropygidae
Ischyrotoma juabensis Adrain et al. 2001 trilobite
 Proetida - Bathyuridae
Psephosthenaspis glabrior Fortey and Droser 1996 trilobite
Petigurus inexpectatus Fortey and Droser 1996 trilobite