Oryctocephalids (Corynexochida: Trilobita) of the Lower-Middle Cambrian boundary interval from California and Nevada

Author:

Sundberg Frederick A.,Mccollum Linda B.

Abstract

Seven species of oryctocephalids occur in the Lower to Middle Cambrian boundary strata of the southern Great Basin. These include Oryctocephalites palmeri n. sp. and an Oryctocephalinae species from the uppermost Lower Cambrian (upper Olenellus Biozone); Oryctocephalus indicus (Reed, 1910), Microryctocara nevadensis n. gen. and n. sp., and Oryctocephalites rasettii n. sp. near the base of the Middle Cambrian (lower Plagiura Biozone); and Oryctocephalus primus Walcott, 1886, and Oryctocephalus nyensis Palmer, 1979, from slightly higher strata (upper Plagiura Biozone). Oryctocephalus and Oryctocephalites are emended based on a cladistic analysis of Oryctocephalinae Beecher, 1897.

Publisher

Cambridge University Press (CUP)

Subject

Paleontology

Reference53 articles.

1. Lower and early Middle Cambrian trilobites from the Pioche Shale, east-central Nevada, U.S.A.;Fritz;Paleontology,1968

2. Geology and ore deposits of the Pioche district, Nevada;Westgate;United States Geological Survey, Professional Paper,1932

3. Inarticulate brachiopods of the Lower and Middle Cambrian Pioche Shale of the Pioche district, Nevada;Rowell;University of Kansas Paleontological Contributions, Paper,1980

4. The Cambro-Ordovician formations and faunas of South Chosen. Paleontology, pt III. Cambrian Faunas of South Chosen with special study on the Cambrian trilobite genera and families;Kobayashi;Journal Faculty of Science Imperial University of Tokyo,1935

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