Paraense W L
Departamento de Malacologia, Instituto Oswaldo Cruz, Avenida Brasil, 4365, CEP 21045-900, Rio de Janeiro, Brazil.
Braz J Biol. 2002 May;62(2):333-8. doi: 10.1590/s1519-69842002000200017. Epub 2002 Aug 26.
A redescription of conchological and anatomical characters of the planorbidae mollusc Plesiophysa ornata (Haas, 1938) is presented, based on topotypic material and specimens from 14 additional localities in the Brazilian states of Rio Grande do Norte, Paraíba, Sergipe, Bahia, Espírito Santo and Minas Gerais. Due to the close similarity of their shells, a sure discrimination of the five species of Plesiophysa described so far (P. pilsbryi, P. granulata, P. guadeloupensis, P. ornata and P. hubendicki) is only possible through their anatomical features. The present study points to the high probability of synonymy of P. hubendicki with P. ornata. Investigations on the anatomy of P. pilsbryi and P. guadeloupensis are needed to define their taxonomic relation with the other nominal species.
基于正模标本以及来自巴西北里奥格兰德州、帕拉伊巴州、塞尔希培州、巴伊亚州、圣埃斯皮里图州和米纳斯吉拉斯州其他14个地点的标本，对扁蜷科软体动物华丽拟扁蜷（Plesiophysa ornata，哈斯，1938年）的贝壳学和解剖学特征进行了重新描述。由于它们贝壳的相似性很高，目前仅通过解剖特征才能准确区分已描述的华丽拟扁蜷的五个物种（皮氏拟扁蜷、粒状拟扁蜷、瓜德罗普拟扁蜷、华丽拟扁蜷和胡本迪基拟扁蜷）。本研究指出胡本迪基拟扁蜷与华丽拟扁蜷很可能是同物异名。需要对皮氏拟扁蜷和瓜德罗普拟扁蜷的解剖结构进行研究，以确定它们与其他具名物种的分类关系。
