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Distribution ( Anglèis )

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Continent: Africa
Distribution: N Namibia, Botswana, SW Zimbabwe, Zambia, N Angola, W/C/S Democratic Republic of the Congo (Zaire), Congo (Brazzaville)
Type locality: œMalange [= Malanje, Angola]
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Xenocalamus ( Anglèis )

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Common name: quill-snouted snakes.

Xenocalamus is a genus of rear-fanged venomous snakes in the family Atractaspididae. The genus is endemic to Africa. Five species are recognized as being valid.[1]

Description (diagnosis) of genus

Snakes of the genus Xenocalamus exhibit the following characters:

Maxillary very short, with five teeth gradually increasing in size and followed, after an interspace, by two large grooved fangs situated below the eye. Anterior mandibular teeth slightly larger than the posterior ones. Palate toothless.

Head small, not distinct from neck. Snout pointed, very prominent, very flattened. Rostral very large with obtuse horizontal edge, flat below. Eye minute, with round pupil. Nostril between two nasals, the posterior nasal very large. No loreal. Prefrontals absent (fused with the frontal). No anterior temporal.

Body cylindrical; tail very short, obtuse.

Dorsal scales smooth, without apical pits, arranged in 17 rows. Ventrals rounded; subcaudals in two rows.[2]

Species

Genus Xenocalamus -- 5 species Species[1] Taxon author[1] Subspecies*[1] Common name[3] Geographic range[3] X. bicolor Günther, 1868 australis
lineatus
machadoi
maculatus
pernasutus slender quill-snouted snake Angola, Democratic Republic of the Congo, Namibia, Botswana, Republic of South Africa, Mozambique, Zimbabwe. X. mechowii W. Peters, 1881 inornatus elongate quill-snouted snake Namibia, Botswana, Zimbabwe, Zambia, Angola, Democratic Republic of the Congo, Congo, X. michelli L. Müller, 1911 ———— Michell's quill-snouted snake southern Democratic Republic of the Congo. X. sabiensis Broadley, 1971 ———— Sabi quill-snouted snake Zimbabwe to Mozambique. X. transvaalensis Methuen, 1919 ———— Transvaal quill-snouted snake North Transvaal and Zululand in Republic of South Africa, southern Mozambique, Botswana.

*) Not including the nominate subspecies.

See also

References

  1. ^ a b c d "Xenocalamus ". Integrated Taxonomic Information System. Retrieved 29 August 2007.
  2. ^ Boulenger GA (1896). Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ. Trustees of the British Museum. London. pp. 247-248.
  3. ^ a b Xenocalamus at the Reptarium.cz Reptile Database. Accessed 12 May 2009.
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Xenocalamus: Brief Summary ( Anglèis )

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Common name: quill-snouted snakes.

Xenocalamus is a genus of rear-fanged venomous snakes in the family Atractaspididae. The genus is endemic to Africa. Five species are recognized as being valid.

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Xenocalamus ( Spagneul; Castilian )

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Xenocalamus es un género de serpientes venenosas de la familia Lamprophiidae. Sus especies se distribuyen por el África subsahariana.

Especies

Se reconocen las 5 especies siguientes:[1]

Referencias

  1. Uetz, P. & Jirí Hošek (ed.). «Xenocalamus». Reptile Database. Reptarium. Consultado el 12 de noviembre de 2014.

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Xenocalamus: Brief Summary ( Spagneul; Castilian )

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Xenocalamus es un género de serpientes venenosas de la familia Lamprophiidae. Sus especies se distribuyen por el África subsahariana.

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Xenocalamus ( Éston )

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Xenocalamus on maoperekond.

Klassifikatsioon

Perekonda Xenocalamus klassifitseeritakse roomajate andmebaasis järgmised maoliigid[1]:

Levila

Nad elavad Sahara-taguses Aafrikas.

Viited

  1. Peter Uetz & Jakob Hallermann, Xenocalamus Roomajate andmebaas veebiversioon (vaadatud 13.12.2013) (inglise keeles)

Välislingid

Selles artiklis on kasutatud prantsuskeelset artiklit fr:Xenocalamus seisuga 13.12.2013.

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Xenocalamus: Brief Summary ( Éston )

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Xenocalamus on maoperekond.

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Xenocalamus ( Basch )

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Xenocalamus Lamprophiidae familiako narrasti genero bat da. Saharaz hegoaldeko Afrikan bizi dira.

Espezieak

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Xenocalamus: Brief Summary ( Basch )

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Xenocalamus Lamprophiidae familiako narrasti genero bat da. Saharaz hegoaldeko Afrikan bizi dira.

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Xenocalamus ( Fransèis )

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Xenocalamus est un genre de serpents de la famille des Lamprophiidae.

Répartition

Les espèces de ce genre se rencontrent en Afrique subsaharienne.

Description

Ce sont des serpents venimeux.

Liste d'espèces

Selon Reptarium Reptile Database (02 déc. 2011)[1] :

Publication originale

  • Günther, 1868 : Sixth account of new species of snakes in the collection of the British Museum. Annals and Magazine of Natural History, ser. 4, vol. 1, p. 413-429 (texte intégral).

Notes et références

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Xenocalamus: Brief Summary ( Fransèis )

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Xenocalamus est un genre de serpents de la famille des Lamprophiidae.

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Xenocalamus ( polonèis )

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Xenocalamus: Brief Summary ( polonèis )

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Xenocalamus – rodzaj gadów z rodziny gleboryjcowatych (Atractaspididae), obejmujący gatunki występujące w Afryce.

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Xenocalamus ( romen; moldav )

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Xenocalamus[1] este un gen de șerpi din familia Atractaspididae.[1]


Cladograma conform Catalogue of Life[1]:

Atractaspididae Xenocalamus

Xenocalamus bicolor



Xenocalamus mechowi



Xenocalamus mechowii



Xenocalamus michellii



Xenocalamus sabiensis



Xenocalamus transvaalensis




Amblyodipsas



Aparallactus



Atractaspis



Brachyophis



Chilorhinophis



Elapotinus



Homoroselaps



Hypoptophis



Macrelaps



Micrelaps



Polemon



Note

  1. ^ a b c Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.) (2011). „Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist”. Species 2000: Reading, UK. Accesat în 24 september 2012. Verificați datele pentru: |access-date= (ajutor)Mentenanță CS1: Nume multiple: lista autorilor (link)


Legături externe

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羽吻蛇屬 ( cinèis )

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羽吻蛇屬學名Xenocalamus)是蛇亞目穴蝰科下的一個有毒,主要分布於非洲。目前共有5個品種已被確認。[1]

品種

品種[1] 學名及命名者[1] 亞種數[1] 異稱 地理分布 雙色羽吻蛇 Xenocalamus bicolor,Günther,1868 5 X. mechowii Xenocalamus mechowii,Peters,1881 1 X. michelli Xenocalamus michelli,Müller,1911 0 X. sabiensis Xenocalamus sabiensis,Broadley,1971 0 羽吻蛇 Xenocalamus transvaalensis,Methuen,1919 0

備註

  1. ^ 1.0 1.1 1.2 1.3 Xenocalamus. Integrated Taxonomic Information System. 2007 [29 August, 2007] (英语). 请检查|access-date=中的日期值 (帮助)

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羽吻蛇屬: Brief Summary ( cinèis )

fornì da wikipedia 中文维基百科

羽吻蛇屬(學名:Xenocalamus)是蛇亞目穴蝰科下的一個有毒,主要分布於非洲。目前共有5個品種已被確認。

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