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Description ( Anglèis )

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Idiocranium russeli is a small caecilian with a snout-vent length of 51 - 114 mm. The long snout is prominent and pointed. The distance from the snout to the anterior border of the eye is a longer than the interocular distance. The eyes are visible. The species has paired globular tentacles located behind and below the nostril in a groove with a ring-shaped opening. It has 12 maxillary teeth, 6 premaxillary teeth, 5 vomerine teeth, 9 palatine teeth, 12 outer mandibular teeth, and 2 inner mandibular teeth on each side. There are 83 to 90 primary annuli (mode 86), that are sometimes obscure on the mid-dorsal and mid-ventral line, and of which the first two folds are separated from the remainder by a broad interspace; there are 21 to 29 secondary annuli (mode 24), the last 4 to 9 complete (Parker 1936, Wake 1986).Idiocranium russeli is morphologically similar to Herpele bornmulleri, but the former is distinguished by a visible eye, longer, less rounded snout, and shorter tentacles. The distance of nostril from eye is longer for I. russeli (Parker 1936). In life, it is blue-grey above, lighter underneath. In preservation, it is greyish-brown to yellow-brown dorsally, and cream colored ventrally and around the eye, tentacles and nostrils (Parker 1936, Wake 1986).Only 49 specimens collected were in 1936. Further morphological work was conducted on 48 specimens of those specimens. Further taxonomic work is required to determine whether or not the specimens from the two known localities refer to the same species (Parker 1936, Wake 1986, Loader and Wilkinson 2004)The species authority is Parker, H. W. "The Amphibians of the Mamfe Division, Cameroons.–I. Zoogeography and Systematics." Proceedings of the Zoological Society of London. Vol. 106. No. 1. Blackwell Publishing Ltd, 1936.The Greek origins of Idiocranium means unique skull with idio- meaning "one's own, personal, distinct" and kranion meaning "skull, upper part of the head."

Arferiment

  • Loader, S.P., Wilkinson, M. (2004). ''Idiocranium russeli.'' In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. . Downloaded on 15 May 2013.
  • Parker, H.W. (1936). ''The amphibians of the Mamfe Division, Cameroon. I. Zoogeography and systematics.'' Proceedings of the Zoological Society of London, 1936, 135-163.
  • Wake, Marvalee H. ''The morphology of Idiocranium russeli (Amphibia: Gymnophiona), with comments on miniaturization through heterochrony.'' Journal of Morphology 189.1 (1986): 1-16.

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Edwin Liu
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Ann T. Chang

Life History, Abundance, Activity, and Special Behaviors ( Anglèis )

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The threats to I. russeli are unknown due to lack of information on its adaptability to habitat change (Loader and Wilkinson 2004).
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Life History, Abundance, Activity, and Special Behaviors ( Anglèis )

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Idiocranium russeli is terristrial and oviparous. It is assumed to have direct development of its eggs. Its abundance and behavior is currently unknown (Loader and Wilkinson 2004).
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Idiocranium russeli ( Catalan; Valensian )

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Idiocranium russeli és una espècie d'amfibis gimnofions de la família Caeciliidae. És monotípica del gènere Idiocranium. És endèmica de Camerun.

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Idiocranium russeli: Brief Summary ( Catalan; Valensian )

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Idiocranium russeli és una espècie d'amfibis gimnofions de la família Caeciliidae. És monotípica del gènere Idiocranium. És endèmica de Camerun.

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Makumuno Assumbo caecilian ( Anglèis )

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The Makumunu Assumbo caecilian (Idiocranium russeli) is a species of African caecilian in the family Grandisoniidae.[1][2][3] It is one of the smallest of caecilians, and is found in Cameroon. It is monotypic in the genus Idiocranium.

References

  1. ^ Frost, Darrel R. "Idiocranium russeli Parker, 1936". Amphibian Species of the World, an Online Reference. Version 6.0. American Museum of Natural History, New York. Retrieved 17 March 2022.
  2. ^ "Idiocranium russeli". AmphibiaWeb. University of California, Berkeley. Retrieved 17 March 2022.
  3. ^ Wake, Marvalee H. (2005). "The morphology of Idiocranium russeli (Amphibia: Gymnophiona), with comments on miniaturization through heterochrony". Journal of Morphology. 189 (1): 1–16. doi:10.1002/jmor.1051890102.
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Makumuno Assumbo caecilian: Brief Summary ( Anglèis )

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The Makumunu Assumbo caecilian (Idiocranium russeli) is a species of African caecilian in the family Grandisoniidae. It is one of the smallest of caecilians, and is found in Cameroon. It is monotypic in the genus Idiocranium.

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Idiocranium russeli ( Spagneul; Castilian )

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Idiocranium russeli es una especie de anfibio gimnofión de la familia Indotyphlidae. Es la única especie del género Idiocranium.[2]

Es endémica del suroeste del Camerún.[3]

Bibliografía

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Idiocranium russeli: Brief Summary ( Spagneul; Castilian )

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Idiocranium russeli es una especie de anfibio gimnofión de la familia Indotyphlidae. Es la única especie del género Idiocranium.​

Es endémica del suroeste del Camerún.​

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Idiocranium russeli ( Basch )

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Idiocranium russeli Idiocranium generoko animalia da. Anfibioen barruko Indotyphlidae familian sailkatuta dago, Gymnophiona ordenan.

Erreferentziak

Ikus, gainera

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Idiocranium russeli: Brief Summary ( Basch )

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Idiocranium russeli Idiocranium generoko animalia da. Anfibioen barruko Indotyphlidae familian sailkatuta dago, Gymnophiona ordenan.

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Idiocranium russeli ( Fransèis )

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Idiocranium russeli, unique représentant du genre Idiocranium, est une espèce de gymnophiones de la famille des Indotyphlidae[1].

Répartition

Cette espèce est endémique du Sud-Ouest du Cameroun[1]. Elle se rencontre entre 104 et 820 m d'altitude[2].

Publication originale

  • Parker, 1936 : The amphibians of the Mamfe Division, Cameroons. Proceedings of the Zoological Society of London, vol. 1936, p. 135-163.

Notes et références

  1. a et b Amphibian Species of the World, consulté lors d'une mise à jour du lien externe
  2. Gower, Kouete, Doherty-Bone, Ndeme & Wilkinson, 2014 : Rediscovery, natural history, and conservation status of Idiocranium russeli Parker, 1936 (Amphibia: Gymnophiona: Indotyphlidae). Journal of Natural History, vol. 49, no 3/4, p. 233-253.
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Idiocranium russeli: Brief Summary ( Fransèis )

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Idiocranium russeli, unique représentant du genre Idiocranium, est une espèce de gymnophiones de la famille des Indotyphlidae.

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Idiocranium russeli ( olandèis; flamand )

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Herpetologie

Idiocranium russeli is een wormsalamander uit de familie Indotyphlidae.[2]

Het is de enige soort uit het geslacht Idiocranium. De soort werd voor het eerst wetenschappelijk beschreven door Parker in 1936. De wormsalamander werd lange tijd tot de familie Caeciliidae gerekend.

Idiocranium russeli komt voor in Afrika en is endemisch in Kameroen.[3] De wormsalamander is slechts bekend van twee locaties in het land, maar komt waarschijnlijk ook voor in het tussenliggende gebied en op andere locaties. Over de populatiegroottes is niets bekend.

Ook de habitat en levenswijze zijn grotendeels onbekend, aangenomen wordt dat de soort in de bodem van bossen in laaglanden leeft. Idiocranium russeli is eierleggend, maar waarschijnlijk vindt de ontwikkeling volledig plaats in het ei, en is er geen vrij zwemmend larvestadium.

Referenties

Bronnen

  • (en) - American Museum of Natural History - Idiocranium russeli - Website Geconsulteerd 13 maart 2016
  • (en) - Amphibiaweb - Idiocranium russeli - Website
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Idiocranium russeli ( portughèis )

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Idiocranium russeli é uma espécie de anfíbio gimnofiono da família Caeciliidae, única no género Idiocranium. É das espécies mais pequenas de gimnofiono. Está presente nos Camarões.[2]

Referências

  1. Simon Loader, Mark Wilkinson (2004). Idiocranium russeli (em inglês). IUCN 2008. Lista Vermelha de Espécies Ameaçadas da IUCN de 2008 . Página visitada em 30 de Novembro de 2009.
  2. Wake, Marvalee H. (6 de fevereiro de 2005). «The morphology of Idiocranium russeli (amphibia: Gymnophiona), with comments on miniaturization through heterochrony». Wiley-Liss, Inc. Journal of Morphology. 189 (1): 1–16. doi:10.1002/jmor.1051890102
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Idiocranium russeli: Brief Summary ( portughèis )

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Idiocranium russeli é uma espécie de anfíbio gimnofiono da família Caeciliidae, única no género Idiocranium. É das espécies mais pequenas de gimnofiono. Está presente nos Camarões.

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Idiocranium ( vietnamèis )

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Idiocranium là một chi động vật lưỡng cư trong họ Caeciliidae, thuộc bộ Gymnophiona. Chi này có 1 loài và không bị đe dọa tuyệt chủng.[1]

Tham khảo

  1. ^ “Danh sách lưỡng cư trong sách Đỏ”. IUCN. Truy cập ngày 3 tháng 7 năm 2012.


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Idiocranium: Brief Summary ( vietnamèis )

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Idiocranium là một chi động vật lưỡng cư trong họ Caeciliidae, thuộc bộ Gymnophiona. Chi này có 1 loài và không bị đe dọa tuyệt chủng.

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