Besla

Besla
Apertural view of the shell of Besla convexa
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Heterobranchia
Clade: Euthyneura
Clade: Panpulmonata
Superfamily: Pyramidelloidea
Family: Pyramidellidae
Genus: Besla
Dall & Bartsch, 1904
Type species
Odostomia convexa Carpenter, 1857

Besla is a small genus of miniature sea snails, pyramidellid gastropod mollusks in the family Pyramidellidae within the tribe Chrysallidini (sensu taxonomy by Bouchet & Roctroi, 2005). [1]

Taxonomy

The synonymy of Parthenina Bucquoy, Dautzenberg & Dollfus, 1883 with Besla Dall & Bartsch, 1904 proposed by Micali et al. (2012) is debatable. The type species of Besla has a protoconch axis at 90° with that of teleoconch ("type A protoconch") whereas that of Parthenina is tilted nearly 180° ("type C"); this important character suggests that they are unrelated and that their teleoconch sculpture may be convergent . [2]

Life habits

Very little is known about the biology of the members of this genus. As is true of most members of the Pyramidellidae sensu lato, they are most likely to be ectoparasites.

Species

There are twelve known species within the genus Besla, these include:

References

  1. Gofas, S.; Bouchet, P. (2012). Besla Dall & Bartsch, 1904. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=571798 on 2012-08-27
  2. Micali P., Nofroni I. & Perna E. (2012) Parthenina alesii n. sp. from Eastern Mediterranean, and notes on Parthenina dantarti (Peñas & Rolán in Peñas, Rolán & Ballesteros, 2008) (Gastropoda: Heterobranchia: Pyramidellidae). Bollettino Malacologico 48(1): 69-72.

Further reading

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