Julia is a minute sea snails genus,

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 ...

mollusks or

micromollusk A micromollusk is a shelled mollusk which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine mollusks, although in addition, numerous species of land snails and freshwater mollusks also ...

s in the superfamily Oxynooidea. ''Julia'' is the type genus of the family Juliidae.

Description

As Tryon (1884) Tryon G. W. Jr. (1884)
''Structural and systematic conchology: an introduction to the study of the Mollusca. Volume III''
Philadelphia, published by the author
p. 267
wrote in his description of the genus ''Julia'': the shell is oblong, thick, and cordiform. The valves are closed, the margins entire and the valves are inequilateral. The lunule is deep circular, projecting into the interior of the right valve, the left valve is in the same place furnished with dentiform tubercles. The hinge line is simple and arched. The

ligament A ligament is the fibrous connective tissue that connects bones to other bones. It is also known as ''articular ligament'', ''articular larua'', ''fibrous ligament'', or ''true ligament''. Other ligaments in the body include the: * Peritoneal li ...

is external and narrow. There are two muscle scars which are unequal and subcentral. These animals have two valves, and the soft parts can be completely withdrawn inside the shell. de Bruyne R. H. (2004). ''Encyklopedie ulit a lastur''. Rebo Productions, 336 pp., , p. 223. The two valves are usually thin and translucent. The empty valves of the shells of these animals are in some cases green, in other cases brownish-green or yellow, and in yet others, colorless. The species ''

Julia zebra ''Julia zebra'' is a species of a sea snail with a shell comprising two separate hinged pieces or valves. It is a marine gastropod mollusk in the family Juliidae. Distribution The type locality for this species is Yamaguchi Prefecture, Japan.J ...

'' has shells that are finely striped with brown and blotched with white.

Species

* (recent) ''

Julia burni ''Julia burni'' is a species of a sea snail with shell of two separate hinged pieces or valves, a marine gastropod mollusk in the family Juliidae. Distribution The type locality for this species is Port Blair in Andaman Islands, India.Jensen K ...

'' Sarma, 1975 * (invalidJensen K. R. (1996). "Phylogenetic systematics and classification of the Sacoglossa (Mollusca, Gastropoda, Opisthobranchia)". ''Philosophical Transactions of the Royal Society London B Biological Sciences'' 351(1335): 91-122. . recent species) ''

Julia cornuta Julia is usually a feminine given name. It is a Latinate feminine form of the name Julio and Julius. (For further details on etymology, see the Wiktionary entry "Julius".) The given name ''Julia'' had been in use throughout Late Antiquity (e.g. ...

'' (De Folin, 1867) * (invalid recent species) ''

Julia equatorialis Julia is usually a feminine given name. It is a Latinate feminine form of the name Julio and Julius. (For further details on etymology, see the Wiktionary entry "Julius".) The given name ''Julia'' had been in use throughout Late Antiquity (e.g. ...

'' Pilsbry & Olsson, 1944 * (recent) '' Julia exquisita'' Gould, 1862 - this species was mentioned in report by the Challenger expedition * (recent) ''

Julia japonica ''Julia japonica'' is a species of a sea snail with a shell comprising two separate hinged pieces or valves. It is a marine gastropod mollusk in the family Juliidae. Distribution The type locality for this species is Wakayama, Honshū, Japan.J ...

'' Kuroda & Habe, 1951 * (recent) ''

Julia mishimaensis ''Julia mishimaensis'' is a species of a sea snail with a shell comprising two separate hinged pieces or valves. It is a marine gastropod mollusk in the family Juliidae. Distribution The type locality for this species is Yamaguchi Prefecture, ...

'' Kawaguti & Yamasu, 1982Bolland R. F. (2001)
"Okinawan Opisthobranch of the Week ''Julia exquisita''"
Last change of the page 12 March 2001. * (recent) ''

Julia thecaphora ''Julia thecaphora'' is a species of a sea snail with a shell comprising two separate hinged pieces or valves. It is a marine gastropod mollusk in the family Juliidae. Distribution The type locality for this species is probably Mazatlán, Mexi ...

'' (Carpenter, 1857) - a probable synonym is ''

'' Kawaguti, 1981Kawaguti S. (1981). "A new bivalved gastropod ''Julia zebra''". ''Bulletin of the Kawasaki Paramedical College'' 1: 9-13. * (recent) ''

'' Kawaguti 1981

References

External links

{{DEFAULTSORT:Julia (Gastropod) Juliidae