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RESEARCH PAPER
Selected shell characters as criteria of distinguishing between Ventrosia ventrosa (Montagu, 1803) and Peringia ulvae (Pennant, 1777) (Gastropoda: Prosobranchia: Hydrobiidae)
| 1 | Department of Malacology, Institute of Zoology, Jagiellonian University, Kraków, Poland |
CORRESPONDING AUTHOR
Przemysław Barszcz
Department of Malacology, Institute of Zoology, Jagiellonian University, Ingardena 6, 30-060 Kraków, Poland
Department of Malacology, Institute of Zoology, Jagiellonian University, Ingardena 6, 30-060 Kraków, Poland
Submission date: 2004-04-12
Acceptance date: 2004-08-20
Publication date: 2020-07-13
Folia Malacol. 2004;12(3):141–144
KEYWORDS
ABSTRACT
Some shell characters of Ventrosia ventrosa (Montagu) and Peringia ulvae (Pennant) can be used to distinguish between the two taxa. Out of 12 initially analysed characters, 3 (shell width, spire height, aperture height) were selected as sufficient to describe the shells and distinguish between the species. Discriminant analysis made it possible to construct two classifying functions. Though the results confirm the difficulties implied in conchological identification of V. ventrosa and P. ulvae, the high proportion of correct species distinction (over 90%) based on the three characters invites further research.
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