334 Neogene paleontology in the northern Dominican Republic 10

Neogene paleontology in the northern Dominican Republic: 10. The Family Cancellariidae (Mollusca: Gastropoda) - BAP #334 Twenty species of Cancellariidae belonging to seven genera are described and figured. Their mode of occurrence and their stratigraphic ranges are discussed. Trigonostoma insulare is the only species described from the Dominican Republic which is not represented in the extensive collections studied and may not occur in the Neogene of the northern Dommican Republic. The following 10 species are described as new: Cancellaria (Cancellaria) jitncla, Cancellana (Pyructia ?) uva, Cancellaria (Sveltia) inquitinus, Cancellaria (Bivetiella) bajonensis, Cancellaria (Bivelopsia) pleclilis, Cancellaria (Herllemia) miranda, Cancellaria (Massyla) lopezana, Perplicaria canae, Axelella emblema, and Admelula zaiayana. The genus Cancellaria is represented by 13 species, which are assigned to seven subgenera. The genus Trigonostoma is represented by two species (including the enigmatic