An interesting case of predominantly sinistral population of Lymnaea stagnalis (L.) (Gastropoda: Pulmonata: Lymnaeidae)
2007
Maxim V. Vinarski
An interesting population of the common pond snail (L. stagnalis s.lat.) with a predominance of sinistral individuals is described. The discussion is based on a shell sample gathered by Russian malacologists Lindholm & Bäckmann in July 1917 in vicinity of Sankt-Petersburg (housed in the Zoological Institute of the Russian Academy of Science). Shell measurements, their ratios as well as possible explanations for the origin of this dimorphism are given.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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