Laevaricella perlucens
| Laevaricella perlucens | |
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| Laevaricella perlucens | |
NE[1]
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| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| (unranked): | clade Heterobranchia
clade Euthyneura |
| Superfamily: | |
| Family: | |
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| Genus: | |
| Species: | L. perlucens
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| Binomial name | |
| Laevaricella perlucens | |
| Synonyms | |
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Glandina perlucens Guppy, 1868 | |
Laevaricella perlucens is a species of tropical, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oleacinidae.
Distribution
Laevaricella perlucens is endemic to Dominica.[3] The type locality is "on Morne Diablotin, the north end on the island", Dominica.[2]
Laevaricella perlucens is very restricted in range[3] and probably meet the IUCN-criteria of Critically Endangered species.[3]
Description
Laevaricella perlucens was originally discovered and described (under the name Glandina perlucens) by British-born naturalist Robert John Lechmere Guppy in 1868.[2]
Guppy's original text (the type description) reads in Latin language and in English language as follows:
Glandina perlucens, n. sp.
Testa subulate-turrita, laevis, diaphana, fusco-flavida, vix striatula, lineis distautibus ornata; apex obtusissimus; anfractus 7, parum convexi, lente accrescentes, ultimas applanatus, spirse longitudinem circiter sequans; sutura valde impressa; columella valde torta, truncata; peristoma simplex, margine externo aliquanto prominente.
Long, 16 millim., lat. maj. 4 millim.; apart, alt. 4, lat. 2.
A subulate-turreted, smooth, brilliantly polished, yellowish-red shell, marked by obscure striae and by distant variciform lines, of which there are from three to six on a whorl; with a very obtuse apex and seven slowly increasing, scarcely convex whorls, the last somewhat flattened and equal to about half the length of the shell; columella strongly curved, truncate; aperture oval, elongate; peristome simple, its external margin somewhat prominent.
A species allied to G. afrcuata., Pf., of Jamaica. Of three examples I obtained, one only was of full growth.
This species had never been collected since it was described by Guppy (1868)[2] until 2009 and his type material was subsequently lost.[3] The single specimen collected alive in 2009 allowed figure this species for the first time.[3]
Ecology
This species is restricted to higher localities.[3] It does not occur, however, on the upper slopes of the higher peaks, but it seems to be restricted to the hygrophytic vegetation zone (cloud forest).[3]
References
This article incorporates public domain text from the reference [2] and CC-BY-3.0 text from the reference.[3]
- ^ IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. <www.iucnredlist.org>. Downloaded on 5 December 2010.
- ^ a b c d e Guppy R. L. M. (1868). On the terrestrial mollusks of Dominica and Grenada, with an account of some new species from Trinidad. Annals and Magazine of Natural History (4)1: 429-442. page 430.
- ^ a b c d e f g h Robinson D. G., Hovestadt A., Fields A. & Breure A. S. H. (July 2009). "The land Mollusca of Dominica (Lesser Antilles), with notes on some enigmatic or rare species". Zoologische Mededelingen 83 http://www.zoologischemededelingen.nl/83/nr03/a13 Archived 7 October 2011 at the Wayback Machine