310 Paleogene marine gastropods of the Keasey Formation in Oregon

Paleogene marine gastropods of the Keasey Formation in Oregon - BAP #310 Abstract: Sixty-eight gastropods species (8 archaeogastropods, 20 mesogastropods, 37 neogastropods, 3 opisthobranchs) are described and illustrated from the late Eocene to early Oligocene bathyal mollusk fauna of the Keasey Formation in northwestern Oregon, and time-equivalent beds in southwestern Washington. Twenty-three species are described as new: Acmaea vokesi, Bathybembix nitor, Margarites (Margarites) sericeus, Solariella (Machaeroplax) cicca, Turritella keaseyensis, Epitonium (Boreoscala) wyattdurhami, “Fusitriton” terrysmithae, Fulgurofusus serratus, Trophonopsis platacantha, Colus ? precursor, Fusinus dilleri, Exilia bentsonae, Conomitra vernoniana, Ancilla (Spirancilla) vernisa, Granula profundorum, Bonellitia (Bonelletia) smithwickensis, Bonelletia (Admetula) tumida, sveltella exiliplex, Sveltella ? keaseyensis, “Admete” umbilicate, conus weltoni, Conus armentrouti, and Scaphander impunctatus.