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Acteon (gastropod)

Acteon is a genus of small sea snails, predatory marine gastropod mollusks in the family Acteonidae, the barrel bubble snails.

The genus is named after Acteon, a character in Greek mythology.

Description

The shell is convoluted, ovate, cylindrical, generally transversely striated. The aperture is oblong, entire, somewhat effuse at its base. It shows one or more folds upon the columella. The outer lip is thin, sharp, never having a varix.

The species of this genus are all marine, and convolute. They are almost always transversely striated. They are generally oval and cylindrical. The spire is more or less projecting and obtuse. The aperture is elongated, often narrowed at its posterior part, widened and somewhat effuse at its base. The folds of the columella vary from one to three. They are generally thick and obtuse.

In the genus Acteon, the individual teeth of the radula are very small. There are many teeth in each row.

Species

According to the World Register of Marine Species (WoRMS), the following species with accepted names are included in the genus Acteon

Taxa inquirenda:
  • Acteon (Metactaeon) <small>Thiele, 1931</small>
  • Acteon mariae <small>A. Adams, 1855</small>
  • Acteon minutus <small>(Petterd, 1879)</small>
  • Acteon modestus <small>A. Adams, 1855</small>
  • Acteon oryza <small>Reeve, 1842</small> (synonym; Tornatella oryza <small>Reeve, 1842</small>)

Synonyms

  • Acteon (Maxacteon) <small>Rudman, 1971</small>: synonym of Maxacteon <small>Rudman, 1971</small>
  • Acteon aequatorialis <small>Thiele, 1925</small>: synonym of Metactaeon aequatorialis <small>(Thiele, 1925)</small>
  • Acteon albus <small>Sowerby, 1874</small>: synonym of Rictaxis albus <small>(Sowerby III, 1874)</small>
  • Acteon amabilis <small>Watson, 1886</small>: synonym of Callostracon amabile <small>(Watson, 1886)</small>
  • Acteon augustoi <small>Nobre, 1932</small>: synonym of Acteon tornatilis <small>(Linnaeus, 1758)</small>
  • Acteon austrinus <small>Watson, 1881</small>: synonym of Leucotina casta <small>(A. Adams, 1853)</small>
  • Acteon browni <small>Jordan, 1895</small>: synonym of Crenilabium exile <small>(Jeffreys, 1870)</small>
  • Acteon candidulus <small>Monterosato, 1923</small>: synonym of Acteon tornatilis <small>(Linnaeus, 1758)</small>
  • Acteon chariis <small>Watson, 1886</small>: synonym of Callostracon chariis <small>(Watson, 1886)</small>
  • Acteon cratericulatus <small>Hedley, 1906</small>: synonym of Maxacteon cratericulatus <small>(Hedley, 1906)</small>
  • Acteon cumningii <small>A. Adams, 1855</small>: synonym of Mysouffa cumingii <small>(A. Adams, 1855)</small>
  • Acteon curtulus <small>Dall, 1890</small>: synonym of Microglyphis curtula <small>(Dall, 1890)</small>
  • Acteon dianae <small>A. Adams, 1855</small>: synonym of Leucotina casta <small>(A. Adams, 1853)</small>
  • Acteon elongatus <small>Castellanos, Rolán & Bartolotta, 1987</small>: synonym of Acteon fasuloi <small>Crocetta, Romani, Simone & Rolán, 2017</small> (invalid: junior homonym of Acteon elongatus <small>J. de C. Sowerby, 1824</small>; A. fasuloi is a replacement name)
  • Acteon eloisae [sic]: synonym of Acteon eloiseae <small>Abbott, 1973</small>
  • Acteon eloiseae <small>Abbott, 1973</small>; synonym of Punctacteon eloiseae <small>(Abbott, 1973)</small>
  • Acteon etheridgii <small>Bell T., 1870</small>: synonym of Crenilabium exile <small>(Jeffreys, 1870)</small>
  • Acteon exilis <small>Jeffreys, 1870</small>: synonym of Crenilabium exile <small>(Jeffreys, 1870)</small>
  • Acteon fabreanus <small>Crosse, 1873</small>: synonym of Maxacteon fabreanus <small>(Crosse, 1874)</small>, synonym of Punctacteon fabreanus <small>(Crosse, 1873)</small>
  • Acteon flammea <small>(Gmelin, 1791)</small>: synonym of Maxacteon flammeus <small>(Bruguière, 1789)</small>
  • Acteon flammeus <small>(Bruguière, 1789)</small>: synonym of Maxacteon flammeus <small>(Bruguière, 1789)</small>
  • Acteon huttoni <small>Cossmann, 1895</small>: synonym of Leucotina casta <small>(A. Adams, 1853)</small>
  • Acteon isabella <small>Poppe, Tagaro & Goto, 2018</small>: synonym of Japonactaeon isabella <small>(Poppe, Tagaro & Goto, 2018)</small> (superseded combination)
  • Acteon kajiyamai <small>(Habe, 1976)</small>: synonym of Punctacteon kajiyamai <small>Habe, 1976</small>
  • Acteon kawamurai <small>Habe, 1952</small>: synonym of Maxacteon kawamurai <small>(Habe, 1952)</small>
  • Acteon kirai <small>Habe, 1949</small>: synonym of Punctacteon kirai <small>(Habe, 1949)</small>
  • Acteon liostracoides <small>Dall, 1927</small>: synonym of Crenilabium exile <small>(Jeffreys, 1870)</small>
  • Acteon longissimus <small>(Valdés, 2008)</small>: synonym of Japonactaeon longissimus <small>Valdés, 2008</small>
  • Acteon natalensis <small>(Barnard, 1963)</small>: synonym of Acteocina fusiformis <small>A. Adams, 1850</small>
  • Acteon nipponensis <small>Yamakawa, 1911</small>: synonym of Japonactaeon nipponensis <small>(Yamakawa, 1911)</small>
  • Acteon nitidus <small>Verrill, 1882</small>: synonym of Crenilabium exile <small>(Jeffreys, 1870)</small>
  • Acteon perconicus <small>Dall, 1890</small>: synonym of Microglyphis perconica <small>(Dall, 1890)</small>
  • Acteon pilsbryi <small>Cossmann, 1902</small>: synonym of Pupa affinis <small>(A. Adams, 1855)</small>
  • Acteon praestitus <small>Finlay, 1924</small>: synonym of Leucotina casta <small>(A. Adams, 1853)</small>
  • Acteon propius <small>Dall, 1927</small>: synonym of Crenilabium exile <small>(Jeffreys, 1870)</small>
  • Acteon punctocaelatus(<small>Carpenter, 1864)</small> : synonym of Rictaxis punctocaelatus <small>Carpenter, 1864</small>
  • Acteon punctostriatus <small>(C. B. Adams, 1840)</small>: synonym of Japonactaeon punctostriatus <small>(C. B. Adams, 1840)</small>
  • Acteon pygmaeus <small>Grateloup, 1838</small>: synonym of Chrysallida stefanisi <small>(Jeffreys, 1869)</small>
  • † Acteon reticulatus <small>Martin, 1884</small>: synonym of † Pupa reticulata <small>(Martin, 1884)</small>
  • Acteon semicingulatus <small>Dall, 1927</small>: synonym of Ondina semicingulata <small>(Dall, 1927)</small> (original combination)
  • Acteon semistriatus <small>Glibert, 1952</small>: synonym of Acteon tornatilis <small>(Linnaeus, 1758)</small>
  • Actaeon senegalensis <small>von Maltzan, 1885</small> : synonym of Acteon maltzani <small>Dautzenberg, 1910</small>
  • Acteon sieboldii <small>(Reeve 1842)</small>: synonym of Japonactaeon sieboldii <small>(Reeve, 1842)</small>
  • Acteon subincisus <small>Okutani, 1968</small>: synonym of Punctacteon subincisus <small>(Okutani, 1968)</small> (superseded combination)
  • † Acteon subovalis <small>P. Marshall, 1917</small>: synonym of † Tornatellaea subovalis <small>(P. Marshall, 1917)</small> (superseded combination)
  • Acteon subulatus <small>Wood S., 1848</small>: synonym of Acteon tornatilis <small>(Linnaeus, 1758)</small>
  • Acteon teramachii <small>Habe, 1950</small>: synonym of Punctacteon teramachii <small>(T. Habe, 1950)</small> (superseded combination)
  • Acteon torrei <small>Aguayo & Rehder, 1936</small>: synonym of Bullina torrei <small>(Aguayo & Rehder, 1936)</small>
  • Acteon vagabundus <small>Mabille & de Rochebrune, 1885</small>: synonym of Toledonia vagabunda <small>(Mabille, 1885)</small>
  • Acteon variegatus <small>(Bruguiere, 1789)</small>: synonym of Punctacteon variegatus <small>(Bruguière, 1789)</small>
  • † Acteon wetherellii <small>Lea, 1833</small>: synonym of Acteocina canaliculata <small>(Say, 1826)</small>
  • Acteon yamamurae <small>Habe, 1976</small>: synonym of Punctacteon yamamurae <small>T. Habe, 1976</small> (superseded combination)

The Indo-Pacific molluscan Database also includes the following species:

The Integrated Taxonomic Information System (ITIS) also includes the following species:

  • Acteon aethiopicus Martens, E.C. von, 1902
  • Acteon antarcticus Thiele, 1912
  • Distribution : subantarctic
  • Length : 6.6&nbsp;mm
  • Description : found at depths of 120 to 340 m
  • Acteon archibenthicola Habe, 1955
  • Distribution : Indo-Pacific
  • Acteon biplicatus Strebel, 1908
  • Distribution : subantarctic, Argentina, Falkland Islands, Tierra del Fuego
  • Length : 4.4&nbsp;mm
  • Description : found at depths of 16 to 150 m
  • Acteon candens Rehder, 1939 Rehder’s baby bubble
  • Distribution : Caribbean, Gulf of Mexico, North Carolina, Florida, Western Atlantic Ocean.
  • Length; 10&nbsp;mm
  • Description : found at depths of 10 to 20 m; glossy white shell with five whorls; body whorl contains at the base three brown spiraling bands; the top of each whorl has a narrow brown band.
  • Acteon castus Hinds, 1844
  • Distribution : West America
  • Acteon cumingii <small>Adams, 1854</small> (taxon inquirendum)
  • Distribution : Brazil, Florida
  • Length : 10–20&nbsp;mm
  • Description : found at depths of 10 to 360 m; lightbrown shell with a large first whorl; each whorl with many spiral windings.; outer lip notched.
  • Acteon danaida Dall, 1881
  • Distribution : Georgia, Caribbean, NE Brazil
  • Length : 11&nbsp;mm
  • Description :.found at depths of 370 to 620 m; white translucent shell with five whorls.
  • Acteon delicatus Dall, 1889
  • Distribution :Florida, Caribbean, Gulf of Mexico.
  • Length : 10&nbsp;mm
  • Description : found at depths of 135 to 565 m
  • Acteon dolichoroseus Iredale, 1936
  • Distribution : Indo-Pacific
  • Acteon edentulus Watson, 1883
  • Distribution : Indo-Pacific
  • Acteon elongatus Castellanos, Rolán & Bartolotta, 1987
  • Distribution : Argentina
  • Length : 8.5&nbsp;mm
  • Description : found at depths of 150 to 600 m
  • Acteon exiguus Mörch, 1875
  • Distribution : Venezuela, Surinam.
  • Length : 6.5&nbsp;mm
  • Description : found at depths of 14 to 18 m
  • Acteon finlayi McGinty, 1955
  • Distribution : Florida, Caribbean
  • Length : 12&nbsp;mm
  • Description : found at depths up to 360 m
  • Acteon fortis Thiele, 1925
  • Distribution : Indo-Pacific
  • Acteon hebes A. E. Verrill, 1885
  • Distribution : Georgia, North Carolina.
  • Length : 8&nbsp;mm
  • Description : deepsea species; found at depths of 800 to 4700 m
  • Acteon incisus Dall, 1881
  • Distribution : Georgia, Mexico, Cuba
  • Length : 10&nbsp;mm
  • Description : found at depths of 30 to 1170 m
  • Acteon juvenis Dall, 1927
  • Distribution : Georgia
  • Length : 3&nbsp;mm
  • Description : found at depths of over 500 m
  • Acteon lacunatus <small>Dall, 1927</small>
  • Distribution : Georgia
  • Length : 3&nbsp;mm
  • Description : found at depths of 800 m
  • Acteon mariae <small>A. Adams, 1855</small> (taxon inquirendum)
  • Distribution : Indo-Pacific
  • Acteon melampoides <small>Dall, 1881</small>
  • Distribution : Virginia, Florida, Caribbean
  • Length : 9.6&nbsp;mm
  • Description : deepsea species; found at depths of 400 to 4700 m
  • Acteon minutus (author unknown)
  • Distribution : Indo-Pacific
  • Acteon monterosatoi Dautzenberg, 1889
  • Distribution : Europe, Mediterranean, Azores
  • Acteon nakayamai Habe, 1952
  • Distribution : Japan
  • Acteon panamensis Dall, 1908
  • Distribution : Panama
  • Acteon parallelus Dall, 1927
  • Distribution : Georgia
  • Length : 3&nbsp;mm
  • Description : found at depths of 530 to 800 m
  • Acteon particolor Dall, 1927
  • Distribution : Georgia
  • Length : 3.5&nbsp;mm
  • Description : found at depths of 800 m
  • Acteon pelecais Marcus, 1972
  • Distribution : Brazil
  • Length : 9.5&nbsp;mm
  • Description : found at depths to 85 m
  • Acteon perforatus Dall, 1881
  • Distribution : Mexico, Cuba
  • Length : 14&nbsp;mm
  • Description : found at depths of 330 to 1450 m
  • Acteon proprius Dall, 1927
  • Distribution : America, Georgia.
  • Length : 4.3&nbsp;mm
  • Acteon pudicus Adams, 1854
  • Distribution : Indo-Pacific
  • Acteon pulchrior Melvill, 1904
  • Distribution : Indo-Pacific
  • Acteon retusus Verco, 1907
  • Distribution : Australia
  • Acteon roseus Hedley, 1906
  • Distribution : Indo-Pacific
  • Acteon semicingulatus Dall, 1927
  • Distribution : Georgia
  • Length : 3&nbsp;mm
  • Description : found at depths of 500 m
  • Acteon semisculptus E. A. Smith, 1890
  • Distribution : Eastern Atlantic, St. Helena
  • Length : 4&nbsp;mm
  • Acteon senegalensis Petit de la Saussaye
  • Distribution : West Africa
  • Acteon soyoae Habe, 1961
  • Distribution : Indo-Pacific
  • Acteon splendidulus Mörch, 1875
  • Distribution : Caribbean
  • Length : 4.8&nbsp;mm
  • Acteon subincisus Okutani, 1968
  • Distribution : Indo-Pacific
  • Acteon subroseus Iredale, 1936
  • Distribution : Indo-Pacific
  • Acteon teramachii Habe, 1950
  • Distribution : Indo-Pacific
  • Acteon tornatilis Linnaeus, 1767 Lathe acteon
  • Acteon traskii Stearns, 1897
  • Distribution : California, Panama
  • Length : 18&nbsp;mm
  • Acteon venustus d'Orbigny, 1840
  • Distribution : West America
  • Acteon virgatus (= Punctacteon virgatus) Reeve, 1842 Striped acteon
  • Distribution : SW Pacific
  • Length : 25&nbsp;mm
  • Description : cream-colored convex shell with five whorls with many spiral grooves; transversely decorated with wavy darkbrown bands,.

References

External links