Resumo

PERRILLIAT, María del Carmen. Late Paleocene Architectonicidae (Gastropoda: Heterobranchia) from Baja California, Mexico. Rev. mex. cienc. geol [online]. 2013, vol.30, n.1, pp.178-185. ISSN 2007-2902.

Six gastropod species including two new ones, belonging to the family Architectonicidae, of the genera Architectonica, Granosolarium and Pseudomalaxis, are described for the Late Paleocene Sepultura Formation in Baja California, northwestern Mexico. The new species Architectonica bieleri and Architectonica bajaensis are established from well preserved specimens. The genera Granosolarium and Pseudomalaxis are for the first time reported in Baja California.

Palavras-chave : architectonicid gastropods; Late Paleocene; Baja California; Mexico.