Late Paleocene Architectonicidae (Gastropoda: Heterobranchia) from Baja California, Mexico

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.Se describen e ilustran seis especies de arquitectonícidos de los géneros Architectonica, Granosolarium y Pseudomalaxis del Paleoceno Tardío, provenientes de la Formación Sepultura en la región norte de Baja California. Dos especies nuevas, Architectonica bieleri y Architectonica bajaensis, se describen con base en especímenes bien conservados. Los géneros Granosolarium y Pseudomalaxis se reportan por primera vez para Baja California

Upper Cretaceous (Cenomanian¿Turonian) bivalves from northern Jordan, Middle East

Twelve species of bivalves are described for the Upper Cretaceous Ajlun Group of northern Jordan. The specimens were collected in three localities of the Fuheis (?middle to late Cenomanian), Hummar (late Cenomanian), and Shuayb (early Turonian) formations. Some of the species here described are reported for the fi rst time in Jordan and confi rm Tethyan paleobiogeographic affi nities