Amnicolidae

Amnicolidae
	Drawing of the shell of Amnicola dalli with the operculum next to it
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Superfamily:	Truncatelloidea
Family:	Amnicolidae; Tryon, 1863
Diversity
	About 200 freshwater species
Synonyms
	Amnicolinae Tryon, 1863 superseded rank; Erhaiini G. M. Davis & Y.-H. Kuo, 1985; Kolhymamnicolidae Starobogatov, 1983; Lyogyrinae Pilsbry, 1916; Parabythinellinae Radoman, 1976; Pseudobythinellini G. M. Davis & C.-E. Chen, 1992;

Amnicolidae is a family of small freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the superfamily Rissooidea.

This family is in the clade Littorinimorpha (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). This family was previously considered to be a subfamily of Hydrobiidae.

Subfamilies

The family Amnicolidae consists of 3 subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):^[2]

Subfamily Amnicolinae Tryon, 1863, synonymised with:
- Tribe Erhaiini Davis & Kuo, 1985^[3]
- Subfamily Lyogyrinae Pilsbry, 1916
- Subfamily Parabythinellinae Radoman, 1976
- Tribe Pseudobythinellini Davis & Chen, 1992
Subfamily Baicaliinae P. Fisher, 1885, synonymised with:
- Subfamily Liobaicaliinae B. Dybowski & Grochmalicki, 1913
- Subfamily Turribaicaliinae B. Dybowski & Grochmalicki, 1917

Akiyoshia Kuroda & Habe, 1954,^[4]: belongs to family Erhaiidae G. M. Davis & Y.-H. Kuo, 1985
Amnicola Gould & Haldeman, 1840
Chencuia Davis, 1997: belongs to the family Erhaiidae G. M. Davis & Y.-H. Kuo, 1985
Colligyrus Hershler, 1999
Dasyscias F. G. Thompson & Hershler, 1991
Erhaia Davis & Kuo, 1985,^[3]: belongs to the family Erhaiidae G. M. Davis & Y.-H. Kuo, 1985
† Kangxianospira F. Guo, 1982
Kolhymamnicola Starobogatov & Budnikova, 1976
† Luofuspira W. Yü, 1977
Lyogyrus Gill, 1863
Marstoniopsis van Regteren Altena, 1936
† Mesopyrgium Yen & Reeside, 1946
Moria Kuroda & Habe, 1958
† Pachychiloides Wenz, 1939 †
Parabythinella Radoman, 1973
† Protamnicola Yen, 1946 †
† Pycnanema H.-Z. Pan, 1980
Rachipteron F.G. Thompson, 1964^[5]
† Reesidella Yen, 1953
† Sagia Yen, 1952
† Stantonogyra Yen, 1946
† Subtilistriata H.-Z. Pan, 1980
Taylorconcha Hershler, Frest, Johannes, Bowler & F. G. Thompson, 1994
† Triasamnicola Yen & Reeside, 1946
† Trochispira Yen, 1954
† Yongkangia W. Yü, 1980

^ Strong E. E., Gargominy O., Ponder W. F. & Bouchet P. (2008). "Global Diversity of Gastropods (Gastropoda; Mollusca) in Freshwater". Hydrobiologia 595: 149-166. hdl:10088/7390 doi:10.1007/s10750-007-9012-6.
^ Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. 47 (1–2). Hackenheim, Germany: ConchBooks: 1–397. ISBN 3-925919-72-4. ISSN 0076-2997.
^ ^a ^b Davis G. M., Kuo Y.-H. Hoagland K. E., Chen P.-L., Yang H.-M. & Chen D.-J. (1985). Erhaia, a new genus and new species of Pomatiopsidae from China (Gastropoda: Rissoacea). Proceedings of the Academy of Natural Sciences of Philadelphia, 137, 48–78.
^ Davis G. M. & Rao S. (1997). "Discovery of Erhaia (Gastropoda: Pomatiopsidae) in northern India with description of a new genus of Erhaiini from China". Proceedings of the Academy of Natural Sciences of Philadelphia 48: 273-299. JSTOR.
^ Thompson F. G. (1964). A new aquatic snail of the family Amnicolidae from Costa Rica. Revista de Biología Tropical, 12(1), 97–105.

Tryon, G.W. (1863). "Notes on American fresh water shells, with descriptions of two new species". Proceedings of the Academy of Natural Sciences of Philadelphia. 14 (9): 452. Retrieved 22 January 2025.