The 142 species of tonnoidean gastropods recorded from the Neogene to Recent faunas of
tropical America (Mexico, and a few taxa from Florida and California, south to Ecuador and …

Species of Vetigastropoda (Fissurellidae, Turbinidae, Trochidae) and one species of
Neritimorpha (Neritidae) from the Navidad area, south of Valparaı́so, and the Arauco …

The earliest known members of the Thais clade of rapanine muricid neogastropods
comprise four species from the Cantaure Formation (early Miocene: Burdigalian) of …

Cenozoic marine deposits of forearc basins in southern Peru contain a molluscan fauna that
includes 15 species of turritelline gastropods. Twelve species were previously known; ten …

The new genus Herminespina comprises extinct South American species of “Thais”-like
ocenebrine gastropods with prominent colabral folds and a labral spine. Geographic range …

The nassarioid gastropod genus Trajana ss includes those species with a closed siphonal
canal and a circular aperture, surrounded by a raised peristome. There are but four species …

Three new genera and six new species of shallow-marine gastropods are named from
Upper Cretaceous strata found mainly in California. The trochids Cidarina cretacea new …

The lower Desmoinesian part of the Flechado Formation near Taos, New Mexico, contains a
diverse marine fauna within predominantly dark gray shale and siltstone facies representing …

Tonnoidean gastropods have planktotrophic larval lives of up to a year and are widely
dispersed in ocean currents; the larvae maintain genetic exchange between adult …

Richly fossiliferous Middle Cretaceous sediments occur on the Pacific coast of Baja
California, Mexico. Sediments of this age are represented by a 160 meter thick section of the …