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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Heterobranchia
Infraclassis: Euthyneura
Cohors: Tectipleura
Subcohors: Panpulmonata
Superordo: Eupulmonata
Ordo: Stylommatophora
Subordo: Helicina
Infraordo: Rhytidoidei
Superfamilia: Rhytidoidea

Familia: Acavidae
Genus: Acavus
Species (1): A. grevillei

Disputed placement: not in WoRMS, but listed in GBIF & BioLib (3): A. haemostoma – A. phoenix – A. superbus

Name

Acavus Montfort, 1810

Type species: Helix haemastoma Linnaeus, 1758

Synonyms

Acarus De Blainville, 1816
Acave Krynicki, 1833

References

Montfort, D. de. 1810: Conchyliologie systématique, et classification méthodique des coquilles. Coquilles univalves, non cloisonnées 2: 235.

References

Hausdorf, B. & K.K. Perera. 2000: Revision of the genus Acavus from Sri Lanka (Gastropoda: Acavidae). Journal of molluscan studies 66: 217–231. DOI: 10.1093/mollus/66.2.217

Links

Acavus in the World Register of Marine Species

Acavus is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Acavidae.

They belongs to group of tree snails that inhabited the ancient continent of Gondwana over 150 million years ago.

These beautiful tree snails are endemic to Sri Lanka. It is present a large intraspecific polymorphism, with the development of various geographical subspecies (among them Acavus phoenix phoenix and Acavus phoenix castaneus).
Species

Acavus haemastoma (Linnaeus, 1758)
Acavus phoenix Pfeiffer, 1854
Acavus superbus Pfeiffer, 1850

References

B. Hausdorfi and Kalika K. Pereira - REVISION OF THE GENUS ACAVUS FROM SRI LANKA (GASTROPODA: ACAVIDAE)
Natural History Museum

Mollusca Images

Biology Encyclopedia

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