''Cronia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

s, marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

s in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

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 over 1,700 living species, the Muricidae represent almost 10% of the Neog ...

, 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. Spire ...

is acuminated. The

aperture In optics, the aperture of an optical system (including a system consisting of a single lens) is the hole or opening that primarily limits light propagated through the system. More specifically, the entrance pupil as the front side image o ...

is moderate. The inner

lip The lips are a horizontal pair of soft appendages attached to the jaws and are the most visible part of the mouth of many animals, including humans. Mammal lips are soft, movable and serve to facilitate the ingestion of food (e.g. sucklin ...

is callous at the upper part. The

columella Lucius Junius Moderatus Columella (, Arabic: ) was a prominent Roman writer on agriculture in the Roman Empire. His in twelve volumes has been completely preserved and forms an important source on Roman agriculture and ancient Roman cuisin ...

is straight and simple anteriorly.

Species

Species within the genus ''Cronia'' include: * '' Cronia amygdala'' (Kiener, 1835) * '' Cronia aurantiaca'' (Hombron & Jacquinot, 1853) * '' Cronia avellana'' (Reeve, 1846) * † '' Cronia tengawaica'' Laws, 1933 ;Species inquirendum: * '' Cronia obockensis'' (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'' (Reeve, 1846) * ''Cronia coronata'' (A. Adams, 1853): synonym of ''

Pinaxia coronata ''Pinaxia coronata'' is a species of sea snail, a marine gastropod mollusc 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 ...

'' 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 ''Murichorda fiscellum'', common name : the little basket 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 14 mm and 40 mm ...

'' (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 ''Semiricinula konkanensis'' 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 ...

'' (Melvill, 1893) * ''Cronia latiaxidea'' (G. B. Sowerby III, 1894): synonym of '' Lataxiena fimbriata'' (Hinds, 1844) (synonym) * ''Cronia margariticola'' (Broderip in Broderip & Sowerby, 1833): synonym of '' Drupella margariticola'' (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 ''Semiricinula muricina'' 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 ...

'' (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 Distribution This species is distributed in the Red Sea and in ...

'' (Blainville, 1832) * ''Cronia ozenneana'' (Crosse, 1861): synonym of ''

Pascula ozenneana ''Pascula ozenneana'' 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 mur ...

'' (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