''Cronia'' 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 ...

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

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Muricidae Muricidae is a large and varied taxonomic family of small to large predatory sea snails, marine gastropod mollusks, commonly known as murex snails or rock snails. With about 1,600 living species, the Muricidae represent almost 10% of the Neogas ...

, the murex snails or rock snails.

Description

The shell is ovate. The

spire A spire is a tall, slender, pointed structure on top of a roof of a building or tower, especially at the summit of church steeples. A spire may have a square, circular, or polygonal plan, with a roughly conical or pyramidal shape. Spires are ...

is acuminated. The

aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An opt ...

is moderate. The inner

lip The lips are the visible body part at the mouth of many animals, including humans. Lips are soft, movable, and serve as the opening for food intake and in the articulation of sound and speech. Human lips are a tactile sensory organ, and can be ...

is callous at the upper part. The

columella Lucius Junius Moderatus Columella (; Arabic: , 4 – ) was a prominent writer on agriculture in the Roman Empire. His ' in twelve volumes has been completely preserved and forms an important source on Roman agriculture, together with the wo ...

is straight and simple anteriorly.

Species

Species within the genus ''Cronia'' include: * '' Cronia amygdala'' (Kiener, 1835) * '' Cronia aurantiaca'' (Hombron & Jacquinot, 1853) * ''

Cronia avellana ''Cronia avellana'' is a species of sea snail, a marine gastropod mollusk in the family Muricidae Muricidae is a large and varied taxonomic family of small to large predatory sea snails, marine gastropod mollusks, commonly known as murex s ...

'' (Reeve, 1846) * † '' Cronia tengawaica'' Laws, 1933 ;Species inquirendum: * ''

Cronia obockensis ''Cronia'' is a genus of sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Muricidae, the murex snails or rock snails. Description The shell is ovate. The Spire (mollusc), spire is acuminated. The Aperture (mo ...

'' (Jousseaume, 1888) ;Species brought into synonymy: * ''Cronia amygdata'' ic synonym of ''Cronia amygdala'' (Kiener, 1835) (misspelling) * ''Cronia avenacea'' (Lesson, 1842): synonym of '' Usilla avenacea'' (Lesson, 1842) * ''Cronia contracta'' (Reeve, 1846): synonym of ''

Ergalatax contracta ''Ergalatax contracta'', the contracted rock shell, is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails. Description The shell size varies between 20 mm and 45 mm. Distribu ...

'' (Reeve, 1846) * ''Cronia coronata'' (A. Adams, 1853): synonym of '' Pinaxia coronata'' A. Adams, 1853 * ''Cronia crassulnata'' (Hedley, 1915): synonym of '' Ergalatax crassulnata'' (Hedley, 1915) * ''Cronia fiscella'' (Gmelin, 1791): synonym of ''Muricodrupa fiscellum'' (Gmelin, 1791): synonym of '' Murichorda fiscellum'' (Gmelin, 1791) * ''Cronia heptagonalis'' (Reeve, 1846): synonym of '' Ergalatax heptagonalis'' (Reeve, 1846) (synonym) * ''Cronia iostoma'' (A. Adams, 1853): synonym of ''Murex iostoma'' A. Adams, 1853: synonym of '' Spinidrupa euracantha'' (A. Adams, 1853) (synonym) * ''Cronia konkanensis'' (Melvill, 1893): synonym of '' Semiricinula konkanensis'' (Melvill, 1893) * ''Cronia latiaxidea'' (G. B. Sowerby III, 1894): synonym of ''

Lataxiena fimbriata ''Lataxiena fimbriata'' is a species of sea snail, a marine gastropod mollusc in the family Muricidae, the murex snails or rock snails. Description Distribution The type species was found in the Makassar Strait Makassar Strait is a str ...

'' (Hinds, 1844) (synonym) * ''Cronia margariticola'' (Broderip in Broderip & Sowerby, 1833): synonym of ''

Drupella margariticola ''Drupella margariticola'', common name the shouldered castor bean, is a species of sea snail, a marine gastropod mollusk, in the family Muricidae Muricidae is a large and varied taxonomic family of small to large predatory sea snails, marine ...

'' (Broderip, 1833) * ''Cronia marginatra'' (Blainville, 1832): synonym of ''

Neothais marginatra ''Neothais marginatra'', common name : the brownish drupe, is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails. Description The shell size varies between 20 mm and 45 mm Dis ...

'' (Blainville, 1832) * ''Cronia martensi'' (Dall, 1923): synonym of '' Ergalatax junionae'' Houart, 2008 * ''Cronia muricina'' (Blainville, 1832): synonym of '' Semiricinula muricina'' (Blainville, 1832) * ''Cronia ochrostoma'' (Blainville, 1832): synonym of ''

Pascula ochrostoma ''Pascula ochrostoma'' is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails. Description The shell size varies between 11 mm and 35 mm Distribution This species is distribut ...

'' (Blainville, 1832) * ''Cronia ozenneana'' (Crosse, 1861): synonym of '' Pascula ozenneana'' (Crosse, 1861) * ''Cronia pseudamygdala'' (Hedley, 1903): synonym of ''Cronia aurantiaca'' (Hombron & Jacquinot, 1848) * ''Cronia spinosa'' (Adams H. & A., 1853): synonym of '' Morula spinosa'' (H. Adams & A. Adams, 1853) * ''Cronia subnodulosa'' (Melvill, 1893): synonym of '' Orania subnodulosa'' (Melvill, 1893) * ''Cronia tosana'' (Pilsbry, 1904): synonym of '' Usilla tosana'' (Pilsbry, 1904)

References

External links

Adams H. & Adams A. (1853-1858). The genera of Recent Mollusca; arranged according to their organization. London, van Voorst. Vol. 1: xl + 484 pp.; vol. 2: 661 pp.; vol. 3: 138 pls

Claremont M., Houart R., Williams S.T. & Reid D.G. (2013). A molecular phylogenetic framework for the Ergalataxinae (Neogastropoda: Muricidae). Journal of Molluscan Studies. 79(1): 19-29
Ergalataxinae {{Ergalataxinae-stub