Chronidae

Chronidae is a family of air-breathing land slugs, terrestrial pulmonate gastropod molluscs in the superfamily Trochomorphoidea within the superorder Eupulmonata. ^[1]

Chronidae
Exrhysota brookei
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Suborder:	Helicina
Infraorder:	Limacoidei
Superfamily:	Trochomorphoidea
Family:	Chronidae Thiele, 1931
Genera
See text
Synonyms[1]
Ryssotidae Schileyko, 2003

Distribution

Distribution of Chronidae include eastern-Palearctic, Ethiopian, Madagascar, India, south-eastern Asia, Australian and Polynesian eco-regions.^[2]

Genera

Genera within the family Chronidae include:

• Antinous Robson, 1914
• Atrichoconcha Bartsch, 1942
• Bekkochlamys Habe, 1958
• Ceratochlamys Habe, 1946
• Chronos Robson, 1914 - type * of the family Chronidae
• Danjochlamys Y. Azuma & M. Azuma, 1993
• Exrhysota H. B. Baker, 1941
• Gastrodontella Möllendorff, 1901
• Glyptobensonia Möllendorff, 1894
• Hemiglypta Möllendorff, 1893
• Hemiglyptopsis Thiele, 1931
• Hemitrichiella Zilch, 1956
• Japanochlamys Habe, 1946
• Kaliella W. T. Blanford, 1863
• Lamarckiella Möllendorff, 1898
• Lepidotrichia Bartsch, 1942
• Macroceras C. Semper, 1870
• Nesokaliella Gerlach, 1998 - endemic to the Seychelles
• Nipponochlamys Habe, 1945
• Otesiopsis Habe, 1946
• Parakaliella Habe, 1946
• Pararyssota Bartsch, 1938
• Platymma Tomlin, 1938
• Ponapea H. B. Baker, 1941
• Pseudhelicarion Möllendorff, 1894
• Pseudokaliella Godwin-Austen, 1910
• Ryssota Albers, 1850
• Striokaliella Thiele, 1931
• Takemasaia Azuma & Minato, 1976
• Trichobensonia Möllendorff, 1902
• Trochochlamys Habe, 1946
• Trukrhysa H. B. Baker, 1941
• Vitrinoidea C. Semper, 1873
• Vitrinopsis C. Semper, 1873
• Yamatochlamys Habe, 1945

Synonyms

• Hemitrichia Möllendorff, 1888: synonym of Hemitrichiella Zilch, 1956 (Invalid: Junior homonym of Hemitrichia Rostafinski, 1873 [Myxomycetes]; Hemitrichiella is a replacement name)
• Rhysota Martens, 1860: synonym of Ryssota Albers, 1850 (unjustified emendation of the original name)
• Rhyssota auct.: synonym of Ryssota Albers, 1850 (invalid: unjustified emendation of the original name)

Cladogram

The following cladogram shows the phylogenic relationships of this family with the other families within the limacoid clade:^[2]

limacoid clade	Staffordioidea Staffordiidae Dyakioidea Dyakiidae Gastrodontoidea Pristilomatidae Chronidae Euconulidae Trochomorphidae Gastrodontidae Oxychilidae Parmacelloidea Trigonochlamydidae Parmacellidae Milacidae Zonitoidea Zonitidae Helicarionoidea Helicarionidae Ariophantidae Urocyclidae Limacoidea Vitrinidae Boettgerillidae Limacidae Agriolimacidae