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The nomenclatorial history and the current taxonomic treatment of the species name Limneus ampla Hartmann, 1821 (Gastropoda: Pulmonata: Lymnaeidae) have been reviewed. It was established that this name cannot be regarded as a junior synonym of Turbo patulus Da Costa, 1778, as it has been suggested by Kruglov and Starobogatov [1983]. The original description of Turbo patulus contradicts the original drawing of the shell; moreover, the species’s author obviously used this name in a quite wide sense, therefore it might be attached to different Palaearctic species of the (sub)genus Radix Montfort, 1810. Moreover, the species L. ampla does not occur in the Britain waterbodies, therefore it hardly could be described by Da Costa under the name Turbo patulus. To prevent possible troubles with using of these taxonomic names in future, we designate the lectotypes of Turbo patulus (based on its original picture) and Limneus ampla here.

Таксономические заметки об европейско-сибирских пресноводных моллюсках. 1. Turbo patulus Da Costa, 1778 не является старшим синонимом Limneus ampla Hartmann, 1821 (Mollusca: Gastropoda: Lymnaeidae)
Винарский М.В.; Глоэр П.;