Antrorbis breweri
| Antrorbis breweri | |
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| Scientific classification | |
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| (unranked): | clade Littorinimorpha
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| Genus: | Antrorbis Hershler & Thompson, 1990[2]
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| Species: | A. breweri
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| Binomial name | |
| Antrorbis breweri Hershler & F. G. Thompson, 1990[2]
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Antrorbis breweri, common name Manitou cavesnail, is a species of freshwater snail with gills and an operculum, an aquatic gastropod mollusk in the family Lithoglyphidae.[2]
Antrorbis breweri is the only species in the genus Antrorbis.[2] The generic name Antrorbis is derived from Classical Greek language word "antrum", that means a cave and from Greek language word "orbis", that means circle.[2]
The specific name breweri is in honor of Dr. Stephen Brewer, the owner of Manitou Cave.[2]
Distribution
This species is endemic to the United States and it is known only from its type locality.[1] The type locality is Manitou Cave, Little Wills Valley, Coosa River Basin, Fort Payne, Alabama.[2]
Description
The shape of the shell is discoidal.[2] The shell has 2.5-3.0 whorls.[2]
The width of the shell is 1.53-1.79 mm.[2] The height of the shell is 0.80-0.98 mm.[2]
The length of the whole animal is 2.7-3.0 mm.[2]
Ecology
Antrorbis breweri lives in cool stream in Manitou Cave.[2] It is threatened by habitat loss.[1]
References
- ^ a b c Mollusc Specialist Group (2000). Antrobia breweri [sic!]. 2006 IUCN Red List of Threatened Species. Archived June 27, 2014, at the Wayback Machine Downloaded on 6 August 2007.
- ^ a b c d e f g h i j k l m n Hershler R. & Thompson F. G. (1990). "Antrorbis breweri, a new genus and species of hydrobiid cavesnail (Gastropoda) from Coosa River Basin, northeastern Alabama". Proceedings of the Biological Society of Washington 103(l): 197-204. PDF.
- ^ Hubricht L. (1940). "A subterranean snail from an artesian well". The Nautilis 54(1): 34-35.