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Orcula jetschini M. Kimakowicz 1883

Description

provided by Zookeys
Two specimens were anatomically examined. Penis slim, with the retractor muscle attached at its distal end; penial caecum very small, vestigial, consisting of two “tubercles”; epiphallus very long and cylindrical; there is clear distinction between the vas deferens and the epiphallus; vas deferens long and relatively thick; a slender retractor muscle is attached near the proximal end. Vagina short and thick, but pedunculus relatively long; bursa copulatrix extremely long, with the distal end slightly expanded. In one specimen an elongated, simple spermatophore was found with the apical portion slightly thickened.
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Barna Páll-Gergely, Tamás Deli, Atanas Irikov, Josef Harl
bibliographic citation
Páll-Gergely B, Deli T, Irikov A, Harl J (2013) Subgeneric division of the genus Orcula Held 1837 with remarks on Romanian orculid data (Gastropoda, Pulmonata, Orculidae) ZooKeys 301: 25–49
author
Barna Páll-Gergely
author
Tamás Deli
author
Atanas Irikov
author
Josef Harl
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Distribution

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Orcula (Illyriobanatica) jetschini is known only from western part of Romania (Banat, Crişana and Western Transylvania). The Hungarian record (Pintér and Suara 2004) is apparently based on a flotsam specimen so its origin is suspect (Varga, 2009). Negrea (1966) reported the species from Moldova Nouă, which lies close the Serbian border and, therefore, it is expected to occur in Serbia. The Pleistocene distribution of Orcula dolium included the ‘’Požarevac Danube Area’’ (Mitrović 2007), which is just on the other bank of the Danube River, but temporal and spatial sympatry of Orcula (Illyriobanatica) jetschini and Orcula (Orcula) dolium is not verified.
license
cc-by-3.0
copyright
Barna Páll-Gergely, Tamás Deli, Atanas Irikov, Josef Harl
bibliographic citation
Páll-Gergely B, Deli T, Irikov A, Harl J (2013) Subgeneric division of the genus Orcula Held 1837 with remarks on Romanian orculid data (Gastropoda, Pulmonata, Orculidae) ZooKeys 301: 25–49
author
Barna Páll-Gergely
author
Tamás Deli
author
Atanas Irikov
author
Josef Harl
original
visit source
partner site
Zookeys