Species distinctness of Sadleriana robici (Clessin, 1890) (Gastropoda: Rissooidea)

Magdalena Szarowska

Department of Malacology, Institute of Zoology, Jagiellonian University, Gronostajowa 9, 30-387 Cracow, Poland

Andrzej Falniowski, e-mail: andrzej.falniowski@uj.edu.pl

Department of Malacology, Institute of Zoology, Jagiellonian University, Gronostajowa 9, 30-387 Cracow, Poland

Partial sequences of cytochrome oxidase subunit I (COI) gene were studied in four populations of Sadleriana Clessin, 1890 from Slovenia and Croatia. All study localities were within the distribution range of S. fluminensis (Küster, 1852); one was the type locality of S. robici (Clessin, 1890), at which S. robici co-occurred with S. fluminensis. No significant differences were found in the genital characters of all the congeners. There were significant differences in shell characters between the syntopic S. robici and S. fluminensis. The molecular characters indicated relatively high differences (K2P distances about 0.03) among the populations of S. fluminensis, not corresponding with the shell habitus and dimensions. The highest differences (K2P distances about 0.07) were found between the syntopic S. fluminensis and S. robici specimens, which verifies species distinctness of these two lineages.

Key words
cytochrome oxidase subunit I; K2P distance; Balkans; mtDNA

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Folia Malacologica (2013) 21: 127-133
First published on-line: 2013-06-06 00:00:00
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