Middle And Upper Ordovician Monoplacophora And Bellerophontacean Gastropoda Of The Cincinnati Arch Region.

Wahlman, Gregory Paul.

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Middle And Upper Ordovician Monoplacophora And Bellerophontacean Gastropoda Of The Cincinnati Arch Region. 开放存取 Deposited

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Date Uploaded: 03/26/2018
Date Modified: 03/26/2018

The taxonomy, phylogeny, biostratigraphy, functional morphology, and paleoecology of Middle and Upper Ordovician (Blackriveran-Richmondian) Monoplacophora and bellerophontacean Gastropoda of the Cincinnati Arch region are discussed. Six genera and 29 species of monoplacophorans, and 13 genera and 56 species of bellerophontaceans are evaluated. The study is centered around new U.S. Geological Survey silicified collections.

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