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de Lima, S.F.B. and de Barros, J.C.N. 2007.

Two new species of Cerithiella (Apogastropoda: Cerithiopsidae) for the continental slope of Pernambuco (northeast Brazil)  

. Zootaxa. 1441, 1 (Apr. 2007), 63–68. DOI:https://doi.org/10.11646/zootaxa.1441.1.5.