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Caecilians are the only order of amphibians which only use internal insemination. The male Caecilians have a penis-like organ, the phallodeum, which is inserted into the cloaca of the female for 2 to 3 hours. About 25% of the species are oviparous (egg-laying);
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www.spiritus-temporis.com/caecilian/reproduction.html
www.spiritus-temporis.com/caecilian/reproduction.html
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Asian tailed caecilians live in India, Sri Lanka, the Philippines, southern China, Thailand, Myanmar, Laos, Vietnam, Indonesia, and the Malay Archipelago west of Wallace's line ... Asian tailed caecilians live in leaf litter and soil in tropical rainforests. Many species do well, however, in areas that have been cleared...
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animals.jrank.org/pages/329/Asian-Tailed-Caecilians-Ich...
animals.jrank.org/pages/329/Asian-Tailed-Caecilians-Ichthyophiidae.html
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Caecilians reproduce biennially, and salamanders reproduce annually or biennially. In the wet tropics, anurans commonly reproduce continually and may deposit several clutches of eggs per year, but in seasonally dry or cold regions, the number of clutches may be limited to one per year or one every other year.
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www.novelguide.com/a/discover/grze_06/grze_06_00349.htm...
www.novelguide.com/a/discover/grze_06/grze_06_00349.html
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Both external and internal reproduction are known in amphibians. Anurans utilize mostly external fertilization, while salamanders and caecilians largely reproduce internally.
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www.newworldencyclopedia.org/entry/Amphibia
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Both external and internal reproduction are known in amphibians. Anurans utilize mostly external fertilization, while salamanders and caecilians largely reproduce internally.
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www.newworldencyclopedia.org/entry/Sexual_reproduction
www.newworldencyclopedia.org/entry/Sexual_reproduction
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All extant caecilians (pronounce it 'say-see-lee-un') are long-bodied, limbless, superficially worm-like amphibians with reduced eyes. They are predominantly fossorial (adapted for burrowing), although some are aquatic or semiaquatic and some terrestrial species have aquatic larvae.
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scienceblogs.com/tetrapodzoology/2008/01/surreal_caecil...
scienceblogs.com/tetrapodzoology/2008/01/surreal_caecilians_part_i.php
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The sexual organs of caecilians are unique: in contrast to other amphibians, male caecilians are able to evert their cloaca to form a phallus, properly termed a phallodeum. ... All caecilians more derived than rhinatrematids are united by a suite of characters, including a recessed mouth, a large retroarticular process on...
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scienceblogs.com/tetrapodzoology/2008/01/surreal_caecil...
scienceblogs.com/tetrapodzoology/2008/01/surreal_caecilians_part_ii.php
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Animals - Herpetiles: Amphibians; Salamanders, Sirens, Newts - [Urodela], Caecilians-[Trachystom], Volume 1, Images by Wernher Krutein and PHOTOVAULT® ... Their closest living relatives are the frogs and toads (Order Anura), plus an obscure order of amphibians, the caecilians (Order Gymnopoda). Together,
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www.photovault.com/Link/Animals/Amphibians/Salamanders/...
www.photovault.com/Link/Animals/Amphibians/Salamanders/AASVolume01.html
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