''Akiyoshia'' 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 ...

freshwater snail Freshwater snails are gastropod mollusks which live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs ...

s with a

gill A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...

and an operculum, aquatic

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

Amnicolidae 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 & R ...

Distribution

The distribution of ''Akiyoshia'' includes

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

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 The ''Proceedings of the Academy of Natural Sciences of Philadelphia'' is a peer-reviewed scientific journal published by Academy of Natural Sciences of Drexel University The Academy of Natural Sciences of Drexel University, formerly the Acad ...

'' 48: 273-299
JSTOR
from whence it was described. There are some indications that so-called "''Akiyoshia''" species from southern

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

may not be true ''Akiyoshia''.

Description

Species in the subgenus ''Saganoa'' from Japan are blind snails. "''Akiyoshia''" species from China are not blind.

Species

Species within the genus ''Akiyoshia'' include: Subgenus ''Akiyoshia'' * ''

Akiyoshia uenoi ''Akiyoshia'' is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Amnicolidae. Distribution The distribution of ''Akiyoshia'' includes JapanDavis G. M. & Rao S. (1997). "Discovery of ''Er ...

'' Kuroda & Habe, 1954 - the type species, was described from Japan Subgenus ''Saganoa'' Kuroda, Habe & Tamu, 1957 * "''Akiyoshia''" ''chinensis'' Liu, Zhang & Chen, 1982 - anatomy of this Chinese species was described in 1992,Davis G. M., Chen C.-E., Wu C., Kuang T.-F., Xing X.-G., Li L., Liu W.-J. & Yan Y.-L. (1992). "The Pomatiopsidae of Hunan, China (Gastropoda, Rissoacea)". ''

Malacologia ''Malacologia'' is a peer-reviewed scientific journal in the field of malacology, the study of mollusks. The journal publishes articles in the fields of molluscan systematics, ecology, population ecology, genetics, molecular genetics, evolution, an ...

'' 34(1-2)
143
342. * ''

Akiyoshia kishiiana ''Akiyoshia'' is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Amnicolidae. Distribution The distribution of ''Akiyoshia'' includes JapanDavis G. M. & Rao S. (1997). "Discovery of ''Er ...

'' Kuroda, Habe & Tamu, 1957 * ''

Akiyoshia morimotoi ''Akiyoshia'' is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Amnicolidae. Distribution The distribution of ''Akiyoshia'' includes JapanDavis G. M. & Rao S. (1997). "Discovery of ''Er ...

'' 矢野重文 Yano S. (). "コウチミジンツボ香川県に出現 he Occurrence of ''Akiyoshia'' (''Saganoa'') ''morimotoi'' (Hydrobiidae) from Kagawa-ken. ''ちりぼたん Newsletter of the Malacological Society of Japan'' 18(1): 14-15
CiNii
* "''Akiyoshia''" ''yunnanensis'' Liu, Wang & Zhang, 1982 ''Nomina nuda'': * ''Akiyoshia odonta'', ''Akiyoshia'' (''Saganoa'') ''odonta'' Feng et al., 1985 and ''Akiyoshia'' (''Saganoa'') ''odonta'' Feng et al., 1986 are ''

nomina nuda In taxonomy, a ''nomen nudum'' ('naked name'; plural ''nomina nuda'') is a designation which looks exactly like a scientific name of an organism, and may have originally been intended to be one, but it has not been published with an adequate descr ...

''.

Ecology

The habitat for species in the ''Saganoa'' subgenus from Japan is caves and wells. "''Akiyoshia''" species from China live in streams.

References

External links

* https://web.archive.org/web/20110929141541/http://www.palaeos.org/Akiyoshia * 波部忠重 Habe T. (1980). "カワネミジンツボ ubterranean tiny snail ''Saganoa'' ''ちりぼたん Newsletter of the Malacological Society of Japan'' 11(4): 74-75
CiNIi
* 湊宏 Minato H. (1986). "地下水棲微小巻貝を和歌山県から採集する ubterranean Minute Snail, ''Akiyoshia'' (''Saganoa'') Collected from Wakayama-ken. ''ちりぼたん Newsletter of the Malacological Society of Japan'' 17(2): 38-39
CiNii
* 佐野基人 ��(1979). "静岡県における肺吸虫の調査-2-宮崎肺吸虫の第1中間宿主''Saganoa'' sp.およびその幼虫について". '' Japanese Journal of Parasitology'' 28(4): 211-217
CiNii
{{Taxonbar, from=Q4701280 Amnicolidae