Nileus Beds, Ikes Canyon, Toquima Range (Ordovician of the United States)

Where: Nye County, Nevada (39.1° N, 116.7° W: paleocoordinates 5.7° S, 80.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Paralenorthis - Orthidiella brachiopod zone, Nileus Beds Member (Antelope Valley Formation), Whiterockian (470.0 - 457.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Preservation: mold/impression

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: R. H. Flower. 1968. Some additional Whiterock Cephalopoda. New Mexico Institute of Mining and Technology, State Bureau of Mines and Mineral Resources. Memoir 19:17-55 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 233163: authorized by Pete Wagner, entered by Pete Wagner on 16.01.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Tarphycerida - Trocholitidae
 Oncocerida - Graciloceratidae
Leonardoceras parvum n. gen. n. sp.
Leonardoceras parvum n. gen. n. sp. Flower 1968
 Orthocerida - Baltoceratidae
"Bactroceras wilsoni" = Bactroceras angustisiphonatum
"Bactroceras wilsoni" = Bactroceras angustisiphonatum RĂ¼diger 1891