Retusa

Live Retusa sp.

Retusa leptoeneilema
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Heterobranchia
Order:	Cephalaspidea
Superfamily:	Bulloidea
Family:	Retusidae
Genus:	Retusa T. Brown, 1827^[1]
Type species
Bulla obtusa Montagu, 1803
Synonyms^[2]
Clistaxis Cossmann, 1895 Coleophysis P. Fischer, 1883 Cryptaxis Jeffreys, 1883 Cylichnina Monterosato, 1884 Mamilloretusa F. Nordsieck, 1972 Retua [sic] (misspelling) Retusa (Coleophysis) P. Pischer, 1883 Retusa (Cylichnina) Monterosato, 1884 Retusa (Retusa) Brown, 1827 Retusa (Sulcularia) Dall, 1921 (invalid: junior homonym of Sulcularia Rafinesque, 1831; Sulcoretusa is a replacement name) Sulcoretusa J. Q. Burch, 1945 Tornatina (Coleophysis) P. Fischer, 1883 Tornatina (Utriculus) T. Brown, 1844 Tornatina (Coleophysis) P. Fischer, 1883 Utriculus T. Brown, 1844 (Invalid: junior homonym of Utriculus Schumacher, 1817) Utriculus (Tornatina) A. Adams, 1850

Retusa is a genus of very small head-shield sea snails or barrel-bubble snails, marine gastropod mollusks in the family Retusidae.^[2]

Species

Species within the genus Retusa include:

Retusa abyssicola Valdés, 2008
Retusa acrobeles (R. B. Watson, 1883)
† Retusa acrochone (Cossmann & Pissarro, 1900)
Retusa agulhasensis Thiele, 1925
Retusa amboynensis (R. B. Watson, 1883)
Retusa amphizosta (Watson, 1886)
Retusa avenaria (R. B. Watson, 1883)
Retusa atkinsoni (Tenison-Woods, 1876)
Retusa canariensis (Nordsieck & Talavera, 1979)
Retusa carpenteri (Hanley, 1859)
Retusa cecillii (Philippi, 1844)
Retusa chrysoma Burn in Burn & Bell, 1974
Retusa chukchii Chaban, 2008
Retusa complanata (Watson, 1883)
Retusa concentrica (A. Adams, 1850)
Retusa crebrisculpta (Monterosato, 1884)
Retusa crispula (Watson, 1883)
Retusa crossei (Bucquoy, Dautzenberg & Dollfus, 1886)
Retusa delicatula (A. Adams, 1862)
Retusa desgenettii (Audouin, 1826)
Retusa diaphana Valdés, 2008
Retusa elegantissima Habe, 1950
† Retusa ennucleata (Powell & Bartrum, 1929)
Retusa famelica Watson, 1883
Retusa frielei (Dall, 1881)
Retusa galapagana Dall, 1919
Retusa golikovi Chaban, 2004
Retusa insolita Valdés, 2008
Retusa instabilis Minichev, 1971
Retusa laevisculpta (Granata-Grillo, 1877)
Retusa lata Chaban & Chernyshev, 2013
Retusa lenis Valdés, 2008
Retusa leptekes (R. B. Watson, 1883)
Retusa leptoeneilema (Brusina, 1866)
Retusa leuca (R. B. Watson, 1883)
Retusa longispirata (Yamakawa, 1911)
Retusa mammillata (Philippi, 1836)
Retusa mariei (Dautzenberg, 1889)
Retusa mayoi (Dall, 1889)
Retusa minima Yamakawa, 1911
Retusa minutissima (Monterosato, 1878)
Retusa montereyensis Smith & Gordon, 1948
Retusa natalensis Barnard, 1963
Retusa nicobarica Thiele, 1925
Retusa nitidula (Lovén, 1846)
Retusa obtusa (Montagu, 1803)
Retusa operculata Minichev, 1966
Retusa opima (Finlay, 1926)
Retusa orientalis Thiele, 1925
Retusa oruaensis (Webster, 1908)
Retusa orycta (R. B. Watson, 1883)
† Retusa otahuhuensis (Laws, 1950)
Retusa oviformis Thiele, 1925
Retusa ovoides (Milaschewitsch, 1916)
Retusa ovulina Lin, 1991
Retusa parvula (Jeffreys, 1883)
Retusa paziana Dall, 1919
Retusa pelyx Burn in Burn & Bell, 1974
Retusa perforata Thiele, 1925
Retusa pervia (Dall, 1889)
Retusa pharetra Hedley, 1909
† Retusa pressa Marwick, 1928
Retusa protumida (Hedley, 1903)
Retusa pseudoglobosa Nomura, 1939
Retusa pygmaea (A. Adams, 1850)
Retusa sakuraii (Habe, 1958)
Retusa sculpta (Gatliff & Gabriel, 1913)
† Retusa segnis (Laws, 1940)
Retusa siberutensis Thiele, 1925
† Retusa soror (Suter, 1917)
Retusa sosa Ev. Marcus & Er. Marcus, 1969
Retusa spatha (R. B. Watson, 1883)
Retusa striata (Hutton, 1873)
Retusa succincta (A. Adams, 1862)
Retusa sulcata (d'Orbigny, 1841)
Retusa sulcata (Watson, 1883) is a secondary junior homonym of Retusa sulcata (d'Orbigny, 1841). No replacement name has been proposed, but the systematics of these small cephalaspids is very confused, and both species may end up in different genera after a proper re-evaluation of their status.
Retusa sumatrana Thiele, 1925
Retusa tarutana Smythe, 1979
Retusa tenerifensis (Nordsieck & Talavera, 1979)
Retusa tornata (Watson, 1886)
Retusa toyamaensis (Habe, 1955)
Retusa trunca Valdés, 2008
Retusa truncatula (Bruguière, 1792)
Retusa turrigera Melvill, 1910
Retusa umbilicata (Montagu, 1803)
Retusa variabilis (Milaschewitsch, 1912)
Retusa waughiana Hedley, 1899
Retusa xystrum Dall, 1919

Taxa inquirenda

Retusa bysma Melvill, 1904
Retusa candidula (Locard, 1892) (taxon inquirendum, name is based on a junior primary homonym.)
Retusa ennurensis Preston, 1916
Retusa multiquadrata Oberling, 1970 (taxon inquirendum; needs investigation)
Retusa obesa (Locard, 1897)
Retusa pusillina (Locard, 1897)
Retusa robagliana (P. Fischer, 1869) (taxon inquirendum)
Retusa semen (Reeve, 1855) (taxon inquirendum)

Species brought into synonymy

Retusa alayoi (Espinosa & Ortea, 2004): synonym of Colinatys alayoi (Espinosa & Ortea, 2004)
Retusa anderssoni Strebel, 1908: synonym of Diaphana anderssoni (Strebel, 1908)
Retusa antarctica Melvill & Standen, 1912: synonym of Diaphana paessleri (Strebel, 1905)
Retusa apiculata (Tate, 1879): synonym of Tornatina apiculata (Tate, 1879): synonym of Acteocina apiculata (Tate, 1879)
Retusa bizona (A. Adams, 1850): synonym of Mnestia girardi (Audouin, 1826)
Retusa caelata (Bush, 1885): synonym of Pyrunculus caelatus (Bush, 1885)
Retusa carinensis de Gregorio, 1889: synonym of Retusa truncatula (Bruguière, 1792)
Retusa cumberlandiana Strebel, 1908: synonym of Cylichna cumberlandiana (Strebel, 1908)
Retusa desgenettesi (Audouin, 1827): synonym of Retusa desgenettii (Audouin, 1826)
Retusa dilatata Pallary, 1904: synonym of Retusa truncatula (Bruguière, 1792)
Retusa domita (Dall, 1889): synonym of Cylichnium domitum (Dall, 1908)
Retusa eumicra (Crosse in Crosse & Fischer, 1865): synonym of Tornatina eumicra (Crosse, 1865): synonym of Acteocina eumicra (Crosse, 1865)
Retusa fourierii (Audouin, 1826): synonym of Pyrunculus fourierii (Audouin, 1826)
Retusa frigida Hedley, 1916: synonym of Diaphana paessleri (Strebel, 1905)
Retusa gaimardi Finlay, 1927: synonym of Acteocina decorata (Pilsbry, 1904)
Retusa girardi (Audouin, 1826): synonym of Ventomnestia girardi (Audouin, 1826)
Retusa gordonis Yokoyama, 1927: synonym of Acteocina gordonis (Yokoyama, 1927)
Retusa inflata Strebel, 1908: synonym of Diaphana inflata (Strebel, 1908)
Retusa insignis (Pilsbry, 1904): synonym of Decorifer insignis (Pilsbry, 1904)
Retusa lactea (Jeffreys, 1877): synonym of Diaphana lactea (Jeffreys, 1877)
Retusa mariateresae Parenzan, 1970: synonym of Bulla striata Bruguière, 1792
Retusa marshalli Sykes, 1904: synonym of Diaphana marshalli (Sykes, 1904)
Retusa matusimana Nomura, 1939: synonym of Decorifer matusimanus (Nomura, 1939)
Retusa obtusata: synonym of Retusa obtusa (Montagu, 1803)
Retusa pellucida (T. Brown, 1827): synonym of Retusa truncatula (Bruguière, 1792)
Retusa pertenuis (Mighels, 1843): synonym of Retusa obtusa (Montagu, 1803)
Retusa pfefferi Strebel, 1908: synonym of Diaphana pfefferi (Strebel, 1908)
Retusa piriformis Nordsieck, 1972: synonym of Retusa truncatula (Bruguière, 1792)
Retusa semen Thiele, 1925: synonym of Pyrunculus pyriformis (A. Adams, 1850)
Retusa semisulcata (Philippi, 1836): synonym of Retusa truncatula (Bruguière, 1792)
Retusa strigella (Lovén, 1846): synonym of Cylichnina umbilicata (Montagu, 1803): synonym of Retusa umbilicata (Montagu, 1803)
Retusa subcylindrica (Brown, 1827): synonym of Cylichnina umbilicata (Montagu, 1803): synonym of Retusa umbilicata (Montagu, 1803)
Retusa tohokuensis Nomura, 1939: synonym of Acteocina tohokuensis (Nomura, 1939)
Retusa truncatoides Nomura, 1939: synonym of Acteocina truncatoides (Nomura, 1939)
Retusa turrita Møller, 1842: synonym of Retusa obtusa (Montagu, 1803)

References

External links

Taxon identifiers

Taxon identifiers
Retusa	Wikidata: Q3710462 Wikispecies: Retusa AFD: Retusa BOLD: 164967 CoL: 7PFPF GBIF: 2291540 iNaturalist: 246583 IRMNG: 1295458 ITIS: 76278 NBN: NHMSYS0021056070 NCBI: 158038 NZOR: 57429f66-a7fb-4abe-bd84-0cb1b80fc2ff Open Tree of Life: 823286 Paleobiology Database: 11993 Plazi: 65316246-1544-5267-FEB7-FD08FDFEFC91 WoRMS: 138432