Species distinctness of Bithynia cettinensis Clessin, 1887 and B. zeta Glöer et Pešić, 2007 (Caenogastropoda: Truncatelloidea)

Vladimir Pešić , Sebastian Hofman , Aleksandra Rysiewska , Artur Osikowski , Andrzej Falniowski


Shells of Bithynia: widely distributed B. tentaculata (Linnaeus), Balkan B. cettinensis Clessin from Cetina River in Croatia, and B. zeta Glöer et Pešić from Vitoja spring at Lake Skadar, Montenegro, as well as male genitalia of B. zeta and B. cettinensis were examined. The shells of all three taxa are similar, also the penes differ only slightly. The mean value of the length ratio of the tubular penial gland (measured along its curvature) to the penis right arm, measured along the curvature of its right margin, was 1.63 for B. zeta, and 1.33 for B. cettinensis. Those values differed slightly, especially compared to 5.0–5.9 for B. tentaculata. In the maximum likelihood (ML), as well as Bayesian (BI) trees, B. cettinensis and B. tentaculata were sister clades with p-distance of 0.007, and B. zeta was more distinct, with p-distance of 0.122 to B. cettinensis and 0.154 to B. tentaculata. The species distinctness of the three studied taxa was confirmed.
Author Vladimir Pešić
Vladimir Pešić,,
, Sebastian Hofman
Sebastian Hofman,,
, Aleksandra Rysiewska
Aleksandra Rysiewska,,
, Artur Osikowski (FoAS / IoVS)
Artur Osikowski,,
- Institute of Veterinary Sciences
, Andrzej Falniowski
Andrzej Falniowski,,
Journal seriesFolia Malacologica, ISSN 1506-7629, e-ISSN 2300-7125, (N/A 20 pkt)
Issue year2019
Publication size in sheets0.5
Keywords in Englishspecies distinctness; shell; penis; tubular penial gland; mtDNA; COI
URL http://www.foliamalacologica.com/download.php?ma_id=3682
Languageen angielski
LicenseJournal (articles only); author's original; Uznanie Autorstwa (CC-BY); after publication
Species distinctness of Bithynia cettinensis Clessin, 1887 and B. zeta Glöer et Pešić, 2007 (Caenogastropoda: Truncatelloidea) of 24-10-2019
3,3 MB
Score (nominal)20
Score sourcejournalList
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FinansowanieThe study was supported by a grant from the National Science Centre 2017/25/B/NZ8/01372 to Andrzej Falniowski.
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