Systematics and Evolutionary History of Large Endemic Snails from the Caucasus (Helix buchii and H. goderdziana) (Helicidae)

作者: Levan Mumladze , David Tarkhnishvili , Marine Murtskhvaladze

DOI: 10.4003/006.031.0202

关键词: Range (biology)ZoologyHelix goderdzianaHelix (gastropod)GastropodaEcologyHelicidaeBiologyGenusLand snailSystematics

摘要: Abstract: Two species of genus Helix Linnaeus, 1758 (Mollusca: Gastropoda: Helicidae) endemic to the Caucasus region are known from Georgia and northeastern Turkey: buchii Dubois de Montpereux, 1839 recently-described but disputed goderdziana Mumladze, Tarkhnishvili Pokryszko, 2008. The latter is largest land snail throughout non-tropical Eurasia. We compared shell shapes genital morphology two species. analyzed mitochondrial COI nuclear 18S ribosomal RNA ITS1gene fragments in 39 specimens H. ten locations entire distribution range these species, together with 13 widespread lucorum pomatia 1758. Based on alone, most individuals can be discriminated using multivariate approaches. have different flagellum/diverticulum ratios, foot coloration a fully diagnostic morphological character. Mole...

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