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Nectophrynoides : ウィキペディア英語版 | Nectophrynoides
''Nectophrynoides'' is a genus of true toads. They are endemic to Eastern Arc forests and wetlands in Tanzania,〔Channing and Howell. (2006). ''Amphibians of East Africa.'' Pp. 104–117. ISBN 3-930612-53-4〕 and all except ''N. tornieri'' are threatened. Species of the genus are ovoviviparous: fertilization is internal, and the females give birth to fully developed, small toadlets.〔 Together with the West Africa ''Nimbaphrynoides'' (which was included in ''Nectophrynoides'' in the past) and ''Limnonectes larvaepartus'', they are the only frogs/toads in the world that do not lay eggs.〔Wells (2007). ''The Ecology and Behavior of Amphibians.'' Pp. 486–487. ISBN 978-0-226-89334-1〕 The Ethiopian ''Altiphrynoides'' (includes ''Spinophrynoides''), which lay eggs, were also part of ''Nectophrynoides'' in the past.〔 ==References==
* Frost, Darrel R. 2007. Amphibian Species of the World: an Online Reference. Version 5.1 (10 October 2007). Electronic Database accessible at http://research.amnh.org/herpetology/amphibia/index.php. American Museum of Natural History, New York, USA. (Nectophrynoides ) accessdate=2008-04-14
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