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pro vyhledávání: '"Ricardo Silva"'
Publikováno v:
Zootaxa. 871:1
The genus Polyschides is characterized by smallto medium-sized shells with an apex divided into four lobes. We present a revision of the species of Polyschides from Brazil, with the description of a new species. Polyschides tetraschistus (Watson, 187
Publikováno v:
Zootaxa. 706:1
Shell morphometric data are potentially useful in discriminating among morphologically similar mollusc species. Only a few studies, however, have assessed the value of this method for identifying and delimiting scaphopod taxa. We attempted to discrim