Abstract
A neotype is designated for Chemnitzia puncta C. B. Adams, 1850, now placed in the genus Turbonilla and considered to be a senior synonym of Turbonilla peilei Dall & Bartsch, 1911, Turbonilla haycocki Dall & Bartsch, 1911 and Turbonilla alfredi Abbott, 1958. Turbonilla obsoleta Dall, 1892, described as a variety of T. puncta, exhibits great deal of intraspecific variation in shell morphology and is considered as valid at the specific level. Turbonilla deboeri Jong & Coomans, 1988, Turbonilla westermanni Jong & Coomans, 1988 and Turbonilla punicea Dall, 1884 share a spiral sculpture pattern very similar to T. puncta, differing in the outline of the whorls, details of the ribs and/or width of the protoconch. Turbonilla puncta, T. deboeri, T. obsoleta and T. westermanni are reported for the first time from the Brazilian coast. Turbonilla tupinamba n. sp. is described from the southeast coast of Brazil and is distinguished from the conchologically related T. puncta and T. deboeri, by the shape of the ribs, outline of the whorls and growth pattern of the shell.References
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