Cenozoic Muricidae of the Western Atlantic Region Part X- The Subfamily Muricopsinae

Emily H. Vokes

Abstract


The muricid subfamily Muricopsinae includes a total of 88 named taxa, of which 7 4 are considered valid. This number includes 12 new species described herein, from either fossil or living material in the western Atlantic. There are ten genus groups recognized: six genera and four subgenera, with a maximum of 20 to a minimum of one species included in each. New species described include three from the Early Miocene Chipola Formation: Muricopsis (Muricopsis) shirleyae, ?Murexsul nanissimus, and Murexiella (Murexiella) parvula. There are four Recent species: Muricopsis (Muricopsis) josei and Muricopsis (Muricopsis) marcusi, both from Brazil; Muricopsis (Muricopsis) perexigua, from the Caribbean and the Bahama Islands; and Favartia (Favartia) barbarae, from off Yucatan, Mexico. The other new species are: Murexsul comptulus, Waccamaw Formation, South Carolina; Murexsul amphilogos, Moin Formation, Costa Rica; Murexiella (Murexiella) petuchi, Pinecrest beds, Florida; Murexiella (Murexiella) stephensae, (?)Tamiami Formation, Florida; and Favartia (Caribiella) carmenae, (?)Medias Aguas Formation, Veracruz, Mexico. An additional nine forms are cited only as "sp.," making a total of 83 taxa treated systematically in this report.


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