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Occidentocerithium panthalassicum
Taxonomy
Occidentocerithium panthalassicum was named by Nützel et al. (2003). It is not extant. Its type specimen is UMIP 2.28343. Its type locality is Martin Bridge Limestone - Spring Creek locality, which is in a Lacian shallow subtidal grainstone/wackestone in the Martin Bridge Limestone Formation of Oregon. It is the type species of Occidentocerithium.