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Acteon (gastropod)

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Acteon
dorsal view of a live Acteon tornatilis
Shell of Acteon tornatilis
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
informal group Lower Heterobranchia
Superfamily:
Acteonoidea
Family:
Acteonidae
Genus:
Acteon

Montfort, 1810
Synonyms
  • Actaeon Ersch & Gruber, 1818 (unjustified emendation)
  • Acteon (Semiactaeon) Cossmann, 1889 †· accepted, alternate representation
  • Speo Risso, 1826
  • Tornatella Lamarck, 1816

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.[1]

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[2]

Taxa inquirenda
  • Acteon (Metactaeon) Thiele, 1931
  • Acteon mariae A. Adams, 1855
  • Acteon modestus A. Adams, 1855

Synonyms

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

The Integrated Taxonomic Information System (ITIS) also includes the following species:[3]

  • Acteon aethiopicus Martens, E.C. von, 1902
  • Acteon antarcticus Thiele, 1912
    • Distribution : subantarctic
    • Length : 6.6 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 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 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 Adams, 1854 (taxon inquirendum)
    • Distribution : Brazil, Florida
    • Length : 10–20 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 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 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 mm
    • Description : found at depths of 150 to 600 m
  • Acteon exiguus Mörch, 1875
    • Distribution : Venezuela, Surinam.
    • Length : 6.5 mm
    • Description : found at depths of 14 to 18 m
  • Acteon finlayi McGinty, 1955
    • Distribution : Florida, Caribbean
    • Length : 12 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 mm
    • Description : deepsea species; found at depths of 800 to 4700 m
  • Acteon incisus Dall, 1881
    • Distribution : Georgia, Mexico, Cuba
    • Length : 10 mm
    • Description : found at depths of 30 to 1170 m
  • Acteon juvenis Dall, 1927
    • Distribution : Georgia
    • Length : 3 mm
    • Description : found at depths of over 500 m
  • Acteon lacunatus Dall, 1927
    • Distribution : Georgia
    • Length : 3 mm
    • Description : found at depths of 800 m
  • Acteon mariae A. Adams, 1855 (taxon inquirendum)
    • Distribution : Indo-Pacific
  • Acteon melampoides Dall, 1881
    • Distribution : Virginia, Florida, Caribbean
    • Length : 9.6 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 ovulum (Pfeiffer, 1840) [citation needed]
    • Distribution : Cuba
    • Length : 3.6 mm
    • Description :
  • Acteon panamensis Dall, 1908
    • Distribution : Panama
  • Acteon parallelus Dall, 1927
    • Distribution : Georgia
    • Length : 3 mm
    • Description : found at depths of 530 to 800 m
  • Acteon particolor Dall, 1927
    • Distribution : Georgia
    • Length : 3.5 mm
    • Description : found at depths of 800 m
  • Acteon pelecais Marcus, 1972
    • Distribution : Brazil
    • Length : 9.5 mm
    • Description : found at depths to 85 m
  • Acteon perforatus Dall, 1881
    • Distribution : Mexico, Cuba
    • Length : 14 mm
    • Description : found at depths of 330 to 1450 m
  • Acteon proprius Dall, 1927
    • Distribution : America, Georgia.
    • Length : 4.3 mm
  • Acteon pudicus Adams, 1854
    • Distribution : Indo-Pacific
  • Acteon pulchrior Melvill, 1904 [citation needed]
    • Distribution : Indo-Pacific
  • Acteon retusus Verco, 1907
    • Distribution : Australia
  • Acteon roseus Hedley, 1906
    • Distribution : Indo-Pacific
  • Acteon semicingulatus Dall, 1927
    • Distribution : Georgia
    • Length : 3 mm
    • Description : found at depths of 500 m
  • Acteon semisculptus E. A. Smith, 1890
    • Distribution : Eastern Atlantic, St. Helena
    • Length : 4 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 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 mm
  • Acteon venustus d'Orbigny, 1840
    • Distribution : West America
  • Acteon virgatus (= Punctacteon virgatus) Reeve, 1842 Striped acteon
    • Distribution : SW Pacific
    • Length : 25 mm
    • Description : cream-colored convex shell with five whorls with many spiral grooves; transversely decorated with wavy darkbrown bands,.

References

  1. ^ Kiener (1840). General species and iconography of recent shells : comprising the Massena Museum, the collection of Lamarck, the collection of the Museum of Natural History, and the recent discoveries of travellers; Boston :W.D. Ticknor,1837 (described as Tornatella)
  2. ^ WoRMS: Acteon; accessed : 12 October 2010
  3. ^ ITIS : Acteon Archived 2009-03-12 at the Wayback Machine
  • Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). ISBN 0-915826-22-4. XII, 195 pp.
  • Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213
  • Spencer, H.; Marshall. B. (2009). All Mollusca except Opisthobranchia. In: Gordon, D. (Ed.) (2009). New Zealand Inventory of Biodiversity. Volume One: Kingdom Animalia. p 584
  • Montfort P. [Denys de]. (1808-1810). Conchyliologie systématique et classification méthodique des coquilles. Paris: Schoell. Vol. 1: pp. lxxxvii + 409 [1808]. Vol. 2: pp. 676 + 16
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