Acteonidae
Family of gastropods From Wikipedia, the free encyclopedia
Family of gastropods From Wikipedia, the free encyclopedia
Acteonidae, common name the "barrel bubble snails", is a family of small sea snails, marine gastropod mollusks of the informal group Lower Heterobranchia.[1]
| Acteonidae | |
|---|---|
| |
| dorsal view of a live Acteon tornatilis | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Superfamily: | Acteonoidea |
| Family: | Acteonidae d'Orbigny, 1843 |
| Type genus | |
| Acteon d'Orbigny, 1843 | |
| Synonyms[1] | |
| |
The shell is usually smaller than 25 mm.[2] The shell of these sand-dwelling micromollusks is small, but it is large enough to house the retracted soft parts including the entire mantle.
The aperture is elongated.[2] The narrow shell aperture, which is ovate and pointed on the top, can be closed with a corneous operculum.
The thick shell is oviform to fusiform, with a short (sometimes sunken) conical apex. They have spiral sculpturing. The elongated aperture opens up from narrow at the posterior notch to enlarged at the base. The base of the columella has several characteristic plaits.
The radula has no central tooth, and there are five or six laterals on each side. The teeth are very similar in shape and size across the radula, which is specialised for a diet of polychaete worms.
The eggs are enclosed in a long, gelatinous mass, which is attached to the substrate with a short stalk.
Acteonidae occur in warm seas in shallow and deep water.[2]
Animals predate polychaetes.[2]
Genera within the family Acteonidae include:
Genus Acteon Montfort, 1810 - type genus
† Genus Acteonina d'Orbigny, 1850
Genus Bathyacteon Valdés, 2008
Genus Callostracon Repetto & Bianco, 2012
† Genus Colostracon Hamlin, 1884
Genus Crenilabium Cossmann, 1889
Genus Inopinodon Bouchet, 1975
Genus Japonactaeon Taki, 1956
Genus Lanayrella Salvador & C. Cunha, 2020
Genus Liocarenus Harris & Burrows, 1891
Genus Lissacteon Monterosato, 1890
Genus Maxacteon Rudman, 1971
Genus Mysouffa Marcus, 1974
Genus Neactaeonina Thiele, 1912
Genus Obrussena Iredale, 1930
Genus Ongleya Finlay & Marwick, 1937
Genus Ovulacteon Dall, 1889
Genus Pseudactaeon Thiele, 1925.
Genus Punctacteon Kuroda & Habe, 1961
Genus Pupa Röding, 1798:
Genus Rapturella Salvador & C. Cunha, 2016
Genus Tenuiacteon Aldrich, 1921
Genus Tomlinula Strand, 1932
† Genus Volvaria Lamarck, 1801
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