''Choanomphalus maacki'' is a
species of freshwater air-breathing
snail, an
aquatic pulmonate
Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includ ...
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 in the
family Planorbidae, the
ram's horn snails, or planorbids.
''Choanomphalus maacki'' is the
type species of the genus ''Choanomphalus''.
[Kantor Yu I., Vinarski M. V., Schileyko A. A. & Sysoev A. V. (published online on March 2, 2010). "Catalogue of the continental mollusks of Russia and adjacent territories"]
Version 2.3.1.
/ref>
Subspecies
* ''Choanomphalus maacki maacki'' Gerstfeldt, 1859[ Lindholm W. A. (1909). "Die Mollusken des Baikal-Sees (Gastropoda et Pelecypoda) systematisch und zoogeographisch bearb". ''Wissenschaftliche Ergebnisse einer zoologische Expedition nach dem Baikal-See unter Leitung des Prof. Alexis Korotneff i. d. J. 1900–1902'', 4. Kiew und Berlin, Fridländer und Sohn: 1–104]
page 10plate 2
fig. 28–30
page 13
plate 2, fig. 25–27.
* ''Choanomphalus maacki elatior'' Lindholm, 1909
Distribution
This species is found in Lake Baikal
Lake Baikal (, russian: Oзеро Байкал, Ozero Baykal ); mn, Байгал нуур, Baigal nuur) is a rift lake in Russia. It is situated in southern Siberia, between the federal subjects of Irkutsk Oblast to the northwest and the Repu ...
, Russia.
Description
The width of the shell is 5–6 mm.[ Bourguignat J. R. (1860). "Monographie du genre ''Choanomphalus''". '' Revue et Magasin de Zoologie'', série 2, 12]
527
€“531
plate 23
The height of the shell is 2.5–3.0 mm.
References
External links
Planorbidae
Gastropods described in 1859
{{Planorbidae-stub