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Boletín de la Sociedad Geológica Mexicana
versión impresa ISSN 1405-3322
Resumen
NYBORG, Torrey; VEGA, Francisco J. y FILKORN, Harry F.. First described species of Costacopluma (Crustacea: Brachyura: Retroplumidae) from the Pacific slope, Paleocene of California, USA. Bol. Soc. Geol. Mex [online]. 2009, vol.61, n.2, pp.203-209. ISSN 1405-3322.
A new species of the brachyuran crab Costacopluma Collins and Morris, 1975, Costacopluma squiresi, is described from lower Paleocene strata of the San Francisquito Formation and upper Paleocene strata of the Santa Susana Formation of southern California. Costacopluma squiresi represents the first described species oí Costacopluma from the Pacific Coast of North America.
Palabras llave : Crustacea; Costacopluma; Paleocene; California.