Borsonella

{{Short description|Genus of gastropods}} {{Automatic taxobox | fossil_range = | image = Borsonella erosina 001.jpg | image_caption = Drawing of a shell of ''Borsonella erosina'' | display_parents = 3 | taxon = Borsonella | authority = Dall, 1908 | synonyms_ref = <ref name="WoRMS" /> | synonyms = ''Spirotropis (Borsonella)'' Dall, 1908 | type_species = ''Borsonia dalli'' | type_species_authority = Dall, 1908 }}

'''''Borsonella''''' is a genus of sea snails, marine gastropod mollusks in the family Borsoniidae.<ref name="WoRMS">{{WRMS species|432415|''Borsonella'' ||12 August 2011}}</ref>

==Description== (Original description) The shell has a small, blunt nucleus of one or two whorls. The sculpture is chiefly spiral, feeble, except for one or two spiral carinae, sometimes with a few small riblets or beads on the principal carina. The periostracum is conspicuous, smooth or vermiculate. The siphonal canal is wide and very short. The outer lip is sharp, simple, arcuate. The columella is solid, with one strong, nearly horizontal plait continuous upon the whole axis. This axis is impervious, the operculum absent. Type Borsonia dalli

There is never more than one plait in ''Borsonella'' ; in ''Cordieria'' Rouault, 1848, as restricted by Cossmann, there are never less than two. In ''Rouaultia'' the anal sulcus is narrow, sharp, and situated at the shoulder in the peripheral carina. Both Cordieria and typical ''Borsonia'' have a long and slender canal and the general aspect of ''Gemmula'' Weinkauff, 1875, while ''Borsonella'' resembles an ''Antiplanes'' Dall, 1902 with a strong plait on the proximal part of the columella.<ref>[https://www.biodiversitylibrary.org/item/95622#page/362/mode/1up W.H. Dall (1908): Reports on the Dredging Operations off the West Coast of Central America to the Galapagos, to the West Coast of Mexico, and in the Gulf of California, in charge of Alexander Agassiz, carried on by the U. S. Fish Commission Steamer "Albatross," during 1891, Lieut. Commander Z. L. Tanner, U. S. N., Commanding. XXX VII. Reports on the Scientific Results of the Expedition to the Eastern Tropical Pacific, in charge of Alexander Agassiz, by the U. S. Fish Commission Steamer "Albatross," from October, 1904, to March, 1905, Lieut. Commander L. M. Garrett, U. S. N., Commanding. XIV. The Mollusca and the Brachiopoda; Bulletin of the Museum of Comparative Zoology at Harvard v. 43 (1904)]</ref>

==Species== Species within the genus ''Borsonella'' include: * ''Borsonella abrupta'' McLean & Poorman, 1971<ref>{{WRMS species|433142|''Borsonella abrupta'' McLean & Poorman, 1971||16 April 2010}}</ref> * ''Borsonella agassizii'' (Dall, 1908)<ref>{{WRMS species|433143|''Borsonella agassizii'' (Dall, 1908)||16 April 2010}}</ref> * ''Borsonella barbarensis'' Dall, 1919<ref>{{WRMS species|433144|''Borsonella barbarensis'' Dall, 1919||16 April 2010}}</ref> * ''Borsonella bartschi'' (Arnold, 1903) * ''Borsonella callicesta'' (Dall, 1902)<ref>{{WRMS species|432617|''Borsonella callicesta'' (Dall, 1902)||16 April 2010}}</ref> * ''Borsonella coronadoi'' (Dall, 1908)<ref>{{WRMS species|433145|''Borsonella coronadoi'' (Dall, 1908)||16 April 2010}}</ref> * ''Borsonella diegensis'' (Dall, 1908)<ref>{{WRMS species|433146|''Borsonella diegensis'' (Dall, 1908)||16 April 2010}}</ref> * ''Borsonella erosina'' (Dall, 1908)<ref>{{WRMS species|432618|''Borsonella erosina'' (Dall, 1908)||16 April 2010}}</ref> * ''Borsonella galapagana'' McLean & Poorman, 1971<ref>{{WRMS species|433147|''Borsonella galapagana'' McLean & Poorman, 1971||16 April 2010}}</ref> * ''Borsonella hooveri'' (Arnold, 1903) * ''Borsonella merriami'' (Arnold, 1903) * ''Borsonella omphale'' Dall, 1919<ref>{{WRMS species|433148|''Borsonella omphale'' Dall, 1919||16 April 2010}}</ref> * ''Borsonella pinosensis'' Bartsch, 1944<ref>{{WRMS species|433149|''Borsonella pinosensis'' Bartsch, 1944||16 April 2010}}</ref> * † ''Borsonella sinelirata'' Marwick, 1931 ;Species brought into synonymy: * ''Borsonella angelena'' Hanna, 1924: synonym of ''Borsonella omphale'' Dall, 1919 * ''Borsonella civitella'' Dall, 1919: synonym of ''Borsonella bartschi'' (Arnold, 1903) * ''Borsonella nicoli'' Dall, 1919: synonym of ''Borsonella bartschi'' (Arnold, 1903) * ''Borsonella nychia'' Dall, 1919: synonym of ''Borsonella coronadoi'' (Dall, 1908) * ''Borsonella rhodope'' Dall, 1919: synonym of ''Rhodopetoma diaulax'' (Dall, 1908)

==References== {{Reflist}}

==External links== * [https://archive.today/20120710161524/http://mollus.oxfordjournals.org/content/77/3/273.full Bouchet P., Kantor Yu.I., Sysoev A. & Puillandre N. (2011) A new operational classification of the Conoidea. Journal of Molluscan Studies 77: 273-308.]

Category:Borsonella Category:Gastropod genera