Chytra kirki
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Chytra kirki is a species of tropical freshwater snail with an operculum, aquatic gastropod mollusk in the family Paludomidae.[1][2]
Chytra kirki is the only species in the genus Chytra.[3]
The specific name kirki is in honor of explorer John Kirk (1832-1922), who has donated various other specimen of snails (not this species) to the Natural History Museum.[4]
Distribution
This species is found in Burundi, the Democratic Republic of the Congo, Tanzania, and Zambia.[1] The type locality is Lake Tanganyika.[5]
Description
The shell is solid, trochiform and dirty whitish in color.[4] The spire is acutely conical.[4] The shell has 6 or 7 feebly concave whorls.[4] They are bearing arcuate and flexuous lines of growth and six or seven granulous lirae, whereof that immediately above the suture is the largest.[4] The body whorl is acutely angular at the periphery, encircled by two subequal granular ridges.[4] The base is concave near the circumference, then slightly convex, concentrically granosely ridged.[4] The ridges nearest the umbilicus are coarser than the others, and also arcuately radiately striated.[4] The shell has deep and narrow umbilicus.[4]
The aperture is irregularly subcircular and whitish.[4] The outer lip (viewed laterally) is obliquely incurved.[4] Basal and columellar margins are forming one strongly arcuate line joined above to the extremity of the labrum by a thickish callosity.[4]
The width of the shell is 19 mm.[3] The height of the shell is 15 mm.[3]
Ecology
Its natural habitat is freshwater lakes.[1] It is widespread[3] species in the Lake Tanganyika, but its distribution is patchy and with low numbers of snails.[1] It lives on the mud with much organic material in depths 10–20 meters.[1][3] There is possibility that it can live in depths up to 80 m.[1][3]
References
This article incorporates public domain text from the reference[4]
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- ↑ a b c d e f Cite error: Script error: No such module "Namespace detect".Script error: No such module "Namespace detect".
- ↑ Strong E. E. & Glaubrecht M. (2010). "Anatomy of the Tiphobiini from Lake Tanganyika (Cerithioidea, Paludomidae)". Malacologia 52(1): 115-153. Script error: No such module "CS1 identifiers"..
- ↑ a b c d e f Brown D. S. (1994). Freshwater Snails of Africa and their Medical Importance. Taylor & Francis. Template:ISBN.
- ↑ a b c d e f g h i j k l m Smith E. A. (1881). "On a collection of shells from lakes Tanganyika and Nyassa and other localities in East Africa". Proceedings of the Zoological Society of London 1881: 276-300. Plate 33, figure 18-18b.
- ↑ Cite error: Script error: No such module "Namespace detect".Script error: No such module "Namespace detect".
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