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Indotyphlus

From Wikipedia, the free encyclopedia
Genus of amphibians

Indotyphlus
Scientific classificationEdit this classification
Domain:Eukaryota
Kingdom:Animalia
Phylum:Chordata
Class:Amphibia
Order:Gymnophiona
Clade:Apoda
Family:Grandisoniidae
Genus:Indotyphlus
Taylor, 1960
Type species
Indotyphlus battersbyi
Taylor, 1960
Species

2 species (seetext)

Indotyphlus is a small genus ofcaecilians in the familyGrandisoniidae.[1][2][3] As caecilians in general, they superficially resemble earthworms.[3] The genus isendemic to theWestern Ghats, India.[1][4][5] They are sometimes known asBattersby's caecilians.[1]

Description

[edit]

Indotyphlus are small caecilians, with the largest specimen (a femaleIndotyphlus battersbyi) measuring 24 cm (9.4 in) in total length.[5] The eyes are visible in sockets, instead of under bone.[3][4][5] Other diagnostic characters are absence oftemporalfossae,mesethmoid not being exposed dorsally, presence ofsplenial teeth, secondary grooves, and scales, tentacular opening that is closer to the eye than to the external nostril, no unsegmented terminal shield, smallish narial plugs on tongue, absence ofdiastema between vomerine and palatine teeth, and absence of terminal keel.[4][5]

Development is probably direct, without aquatic larvae.[5]

Habitat

[edit]

The genus is unusual among caecilians in that both species have been recorded from relatively open, shallow-soiled areas with long dry season.[5]

Species

[edit]

The genus contains two species:[1][2][6]

Binomial name and authorCommon name
Indotyphlus battersbyiTaylor, 1960Battersby's caecilian
Indotyphlus maharashtraensisGiri, Wilkinson, and Gower, 2004Humbarli caecilian, Maharashtra caecilian

References

[edit]
  1. ^abcdFrost, Darrel R."Indotyphlus Taylor, 1960".Amphibian Species of the World, an Online Reference. Version 6.0. American Museum of Natural History, New York. Retrieved17 March 2022.
  2. ^ab"Grandisoniidae".AmphibiaWeb. University of California, Berkeley. Retrieved17 March 2022.
  3. ^abcVitt, Laurie J. & Caldwell, Janalee P. (2014).Herpetology: An Introductory Biology of Amphibians and Reptiles (4th ed.). Academic Press. pp. 447, 454.
  4. ^abcNussbaum, Ronald A. & Wilkinson, Mark (1989). "On the classification and phylogeny of caecilians (Amphibia: Gymnophiona), a critical review".Herpetological Monographs.3:1–42.doi:10.2307/1466984.JSTOR 1466984.
  5. ^abcdefGiri, V. B.; M. Wilkinson & D. J. Gower (2004)."A new species ofIndotyphlus Taylor (Amphibia: Gymnophiona: Caeciliidae) from the Western Ghats, India"(PDF).Zootaxa.739:1–19.doi:10.11646/zootaxa.739.1.1.
  6. ^"Indotyphlus Taylor, 1960".Integrated Taxonomic Information System.
Tetrapodomorpha
Batrachomorpha /Temnospondyli
Dissorophoidea
Lissamphibia
    • see below↓
Albanerpetontidae?
Albanerpeton inexpectatum

Eocaecilia micropodiaTriassurus sixtelae

Triadobatrachus massinoti
Rhinatrematidae(American tailed caecilians)
Ichthyophiidae(Asian tailed caecilians)
Scolecomorphidae(buried-eyed caecilians)
Chikilidae(Northeast Indian caecilians)
Herpelidae(African caecilians)
Typhlonectidae(aquatic caecilians)
Caeciliidae(common caecilians)
Grandisoniidae(Indo-African caecilians)
Dermophiidae(Neotropical caecilians)
Siphonopidae(South American caecilians)
Caudata
(salamanders
total group)
Karauridae
Batrachosauroididae
Urodela(salamanders crown group)
    • 115 genera
Salientia
(frogs
total group)
Anura(frogs crown group)
    • several hundred genera
Indotyphlus
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