Dear friend(s),
I´ve a dextral Clausilia dubia dubia from CZ.
Lubosh
www.kolouch.com


> Dear Listers. I come to you with hat in hand.  I am a very poor
> clausiliologist, and I
> need some beefing up of my nomenclature.  I have picked some names of
> landsnails belonging to the family Clausiliidae from the older literature
> (little interest in authors and dates; very little generic splitting) in
> my
> quest from understanding of how snail coiling direction relates to
> phylogeny, zoogeography, and evolution in this group.  There are three
> groups of species listed in alphabetical order (by specific epithet)
> below.
>
> Clausiliid species, all apparently from west of the Caucasus, known as
> abnormally dextral:
> Clausilia almissana Küster
> C. bidens Draparnaud
> C. bidentata Ström
> Balea biplicata (Montagu)
> Albinaria cretensis (Rossmässler, 1836)
> C. duboisi Charpentier
> C. laminata Montagu
> C. macarana Ziegler
> C. nigricans Pulteney
> Balea perversa (Linnaeus)
> C. plicata Draparnaud
> C. plicatula Draparnaud
> Clausilia pumila
> C. rugosa Draparnaud (= C. perversa Müller non Linnaeus)
> C. stentzi Rossmässler
> Vestia turgida
>
> These clausiliid taxa are known to be normally dextral:
> Clausilia antilopina
> Alopia bielzii (Parreys)
> Alopia bielzii tenuis (E. A. Bielz, 1861)
> C. colbeauiana Parreys
> Sericata dextrorsa (O. Boettger, 1877)
> Temesa (Neniatracta) dextroversa (Pilsbry, 1949)
> C. lischkeana Parreys
> C. livida Menke
> C. madenensis Fuss
> C. meschendorferi Bielz
> Alopia nefasa M. Kimakowicz, 1894
> C. purpurascens
> C.semprinii
> C. sykesi
> C. trachelostropha
> Albinaria voithi (Rossmässler)
>
> These clausiliids are reported as occurring in both the sinistral and
> dextral condition frequently (amphidromine):
> Alopia fussiana
> A. straminicollis
>
> Thanks,
> Harry

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