# Acirsa

Acirsa is a genus of predatory sea snails, marine prosobranch gastropod mollusks in the family Epitoniidae. They are commonly known as wentletraps.

## Species

According to the World Register of Marine Species, the following species with valid names are included within the genus Acirsa :
* †Acirsa aersispira Stilwell & Zinsmeister, 1992
* Acirsa amara Kilburn, 1985
* Acirsa antarctica E. A. Smith, 1907
* †Acirsa antarctodelicata Stilwell & Zinsmeister, 1992
* †Acirsa auversiensis Deshayes, 1861
* †Acirsa awamoaensis P. Marshall & Murdoch, 1921
* †Acirsa bezanconi de Boury, 1883
* Acirsa borealis Lyell, 1841
* †Acirsa canicularis Lamarck, 1804
* Acirsa cerralvoensis DuShane, 1970
* Acirsa coarctata Jeffreys, 1884
* Acirsa coarctata coarctata Jeffreys, J.G., 1884
* Acirsa coarctata distantespirata Nordsieck, F., 1972
* Acirsa cookiana Dell, 1956
* †Acirsa cylindracea Fenaux, 1937
* †Acirsa erasa Deshayes, 1861
* †Acirsa funiculosa Cossmann, 1888
* †Acirsa gracilis Fenaux, 1938 (accepted > unreplaced junior homonym, junior homonym of Acirsa gracilis (Verrill, 1880), a replacement name is needed)
* †Acirsa lampra Tate, 1890
* †Acirsa lanceolata Brocchi, 1814
* †Acirsa lhommei de Boury, 1913
* Acirsa martensi de Boury, 1913
* Acirsa mcleani Sirenko, 2009
* †Acirsa mioplicatula Kautsky, 1925
* Acirsa morsei Yokoyama, 1926
* Acirsa murrha DuShane, 1970
* †Acirsa oamarutica Suter, 1917
* Acirsa ochotensis Middendorff, 1848
* †Acirsa pacifica Wilckens, 1922
* †Acirsa polynema Tate, 1890
* Acirsa pratoma Dall, 1919
* †Acirsa primaeva de Boury, 1887
* †Acirsa prisca Suter, 1917
* †Acirsa sceauxsensis Landau, Ceulemans & Van Dingenen, 2018 †
* †Acirsa semicorrugata Chirli, 2009
* †Acirsa striatula Deshayes, 1832
* Acirsa subdecussata Cantraine, 1835
* †Acirsa subnodulosa P. A. Maxwell, 1988
* †Acirsa subplicata Deshayes, 1861
* †Acirsa subtenuistriata d'Orbigny, 1850
* Acirsa symphylla Martens, 1878
* †Acirsa transversaria Deshayes, 1861
* †Acirsa turriculata Fenaux, 1937
* †Acirsa vetusta P. A. Maxwell, 1992
* †Acirsa woodburnei Stilwell & Zinsmeister, 1992
The following species are also named by ITIS and in the book New Zealand Mollusca, by A. Powell
* Acirsa americana Wade, B., 1926
* Acirsa clathrata Sohl, N.F., 1964
* Acirsa cretacea Wade, B., 1917
* Acirsa culmosa Sohl, N.F., 1964
* Acirsa elatum Suter, H., 1917
* Acirsa entrichti Nordsieck, F., 1968
* Acirsa eschrichti Hölboll, 1842
* Acirsa flexicostata Sohl, N.F., 1964
* Acirsa gravida Sohl, N.F., 1964
* Acirsa implexa Sohl, N.F., 1964
* Acirsa microstriata Wade, B., 1917
* Acirsa otogoensis Stilwell, J.D., 1994
* Acirsa pelagica Risso, A., 1826
* Acirsa turrita Parona, 1894
* Acirsa vayssierei
* Acirsa wadei Cossmann, A.E.M., 1925

### Species brought into synonymy

* Acirsa annectens A. W. B. Powell, 1951: synonym of Gregorioiscala annectens A. W. B. Powell, 1951
* Acirsa berryi: synonym of Couthouyella menesthoides Carpenter, 1864
* Acirsa chitaniana Yokoyama, 1926: synonym of Acirsa martensi de Boury, 1913
* Acirsa corsicana Nordsieck F., 1974 : synonym of Opalia coronata R. A. Philippi & Scacchi, 1840
* Acirsa costulata: synonym of Acirsa borealis Lyell, 1841
* Acirsa exopleura : synonym of Opalia exopleura Dall, 1917
* Acirsa gracilis : synonym of Periapta pandion Clench & Turner, 1952
* Acirsa hedleyi de Boury, 1912: synonym of Amaea hedleyi de Boury, 1912
* Acirsa menesthoides: synonym of Couthouyella menesthoides Carpenter, 1864
* Acirsa morchi Angas, 1871: synonym of Plastiscala morchi Angas, 1871
* Acirsa praelonga Jeffreys, 1877: synonym of Papuliscala praelonga Jeffreys, 1877
* Acirsa sarsii Kobelt, 1903: synonym of Gregorioiscala sarsii Kobelt, 1903
* Acirsa subcarinata (Murdoch, R. & H. Suter, 1906): synonym of Aclis subcarinata (Murdoch, R. & H. Suter, 1906)
* Acirsa undulata: synonym of Acirsa borealis Lyell, 1841
Some new species (Acirsa alpha, Acirsa beta, Acirsa delta, and Acirsa epsilon) have been named by Squires and Saul in 2003.