''Cylindrobulla'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

s or bubble snails,

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

s in the clade

Sacoglossa Sacoglossa, commonly known as the sacoglossans or the "solar-powered sea slugs", are a superorder of small sea slugs and sea snails, marine gastropod mollusks that belong to the clade Heterobranchia. Sacoglossans live by ingesting the cellular ...

. ''Cylindrobulla'' is the type genus of the family Cylindrobullidae and it is the only genus in the family.

Taxonomy

The suborder Cylindrobulloidea used to be recognized as monogeneric suborder; in other words there was only one family in the suborder, the family Cylindrobullidae, and only one genus ''Cylindrobulla''.

1996 taxonomy

It was treated by Jensen (1996) as a sister group of

and placed it in the new order Cylindrobullacea.

1998 taxonomy

Mikkelsen (1998) has argued that the genus ''Cylindrobulla'' actually belongs in Oxynoacea within shelled

. This change in taxonomy was suggested on the basis of the similarity in many characteristics: digestive, sexual, pallial (= concerning the mantle), and the nervous system.

2005 taxonomy

According to the taxonomy by Bouchet & Rocroi (2005), is the Cylindrobullidae the only family in the superfamily Cylindrobulloidea and Cylindrobulloidea is the only superfamily within the group Cylindrobullida in the informal group

Opisthobranchia Opisthobranchs () is now an informal name for a large and diverse group of specialized complex gastropods which used to be united in the subclass Opisthobranchia. That taxon is no longer considered to represent a monophyletic grouping. Euopisth ...

. According to the taxonomy of the Gastropoda by Bouchet & Rocroi (2005) the family Cylindrobullidae has no subfamilies.

2010 taxonomy

Molecular phylogeny Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

analysis by Maeda et al. (2010)Maeda T., Kajita T., Maruyama T. & Hirano Y. (2010). "Molecular Phylogeny of the Sacoglossa, With a Discussion of Gain and Loss of Kleptoplasty in the Evolution of the Group". ''

Biological Bulletin ''The Biological Bulletin'' is a peer-reviewed scientific journal covering the field of biology. The journal was established in 1897 as the ''Zoological Bulletin'' by Charles Otis Whitman and William Morton Wheeler. In 1899 the title was changed ...

'' 219(1): 17-26
abstract
. have confirmed placement of ''Cylindrobulla'' within

Genera

Species within the genus ''Cylindrobulla'' include: * ''

Cylindrobulla beauii ''Cylindrobulla beauii'' is a species of sea snail, a marine gastropod mollusk in the family Cylindrobullidae. ''Cylindrobulla beauii'' is the type species of the genus ''Cylindrobulla''. Description The maximum recorded shell Shell ma ...

'' P. Fischer, 1857 - the type species of the genus ''Cylindrobulla'' * '' Cylindrobulla gigas'' Mikkelsen, 1998 * '' Cylindrobulla phuketi'' Jensen, 1990 * '' Cylindrobulla sculpta'' G. Nevill & H. Nevill, 1869 * ''

Cylindrobulla turtoni ''Cylindrobulla'' is a genus of sea snails or bubble snails, marine gastropod mollusks in the clade Sacoglossa. ''Cylindrobulla'' is the type genus of the family Cylindrobullidae and it is the only genus in the family. Taxonomy The suborder ...

'' Bartsch, 1915 * ''

Cylindrobulla xishaensis ''Cylindrobulla'' is a genus of sea snails or bubble snails, marine gastropod mollusks in the clade Sacoglossa. ''Cylindrobulla'' is the type genus of the family Cylindrobullidae and it is the only genus in the family. Taxonomy The suborder ...

'' Lin, 1978Bouchet, P. (2010). ''Cylindrobulla xishaensis'' Lin, 1978. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=536484 on 2011-01-09 Synonyms: * ''Cylindrobulla californica'' Hamatani, 1971 is a synonym for '' Ascobulla californica'' (Hamatani, 1971) * ''Cylindrobulla fragilis'' (Jeffreys, 1856) is a synonym for '' Ascobulla fragilis'' (Jeffreys, 1856) * ''Cylindrobulla japonica'' Hamatani, 1969 is a synonym for '' Ascobulla japonica'' (Hamatani, 1969)

References

External links

* http://www.seaslugforum.net/showall/ascospp {{Taxonbar, from=Q4576747 Cylindrobullidae