Neogene paleontology of the northern Dominican Republic: 15. The genera Columbella, Eurypyrene, Parmetaria, Conella, Nitidella, and Metulella (Gastropoda: Columbellidae) - BAP #344
Thirteen species of columbellid gastropods belonging to six genera are described and figured. Two forms have been identified by means of "open nomenclature" thus leaving a total of 11 positively identified species. Three species, Columbella lopezana and Parametaria (Dominitaria) lopezana, both from the late early to early Middle Miocene Baitoa Formation of the López section on Río Yaque del Norte, and Nitidella caimitana from the Late Miocene Cercado Formation of the Río Cana section, and one subgenus, Parametaria (DominitariaI), are described as new.
Although the available material is not rich, the stratigraphic occurrences of these species are discussed. Only two species are well represented; three are moderately well represented, and the remaining species are represented by five or fewer specimens and thus must be considered rare.
P. Jung
Pages: 45, 11 pls., 20 text-figs., 8 tables
Issue: BAP 344
Year published: 1994