One mile north of the mouth of Ikes Canyon, Toquima Range (Ordovician of the United States)

Where: Nye County, Nevada (39.1° N, 116.7° W: paleocoordinates 5.7° S, 80.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Zone N brachiopod zone, Antelope Valley Formation (Pogonip Group), Whiterockian (470.0 - 457.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Preservation: cast

Reposited in the USNM

• RHF = collection of Rousseau H. Flower, transferred to the Smithsonian Institution/U.S. National Museum (see Wolberg, 1990, J. Paleont. 64(3, 5, 6))

Primary reference: G. A. Cooper. 1956. Chazyan and related brachiopods. Smithsonian Miscellaneous Collections 127:1-1245 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186635: authorized by Pete Wagner, entered by Pete Wagner on 28.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Hesperomenidae
Hesperomena leptellinoidea n. sp. Cooper 1956