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Reproduction

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Key Reproductive Features: gonochoric/gonochoristic/dioecious (sexes separate)

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Heying, H. 2003. "Sooglossidae" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Sooglossidae.html
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Heather Heying
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Life Cycle

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Development - Life Cycle: metamorphosis

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Heying, H. 2003. "Sooglossidae" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Sooglossidae.html
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Heather Heying
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Morphology

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Other Physical Features: ectothermic ; bilateral symmetry

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Heying, H. 2003. "Sooglossidae" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Sooglossidae.html
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Heather Heying
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Sooglossidae

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The Seychelles frogs (Sooglossidae) are a family of frogs found on the Seychelles Islands. Until recently, this family was believed to include the genera Sechellophryne, Nesomantis and Sooglossus, but following a major revision of amphibians in 2006,[1] the genus Nesomantis was named a junior synonym of Sooglossus.[2] Their closest relatives are the purple frogs (Nasikabatrachidae) of India.[3]

Description

All Sooglossidae species are relatively small terrestrial frogs, about 4 cm (1.6 in) in length, hiding under fallen leaves or in rock crevices. They are unusual for the neobatrachials, in that they undertake inguinal amplexus, a primitive version of amplexus. They lay their eggs on moist ground, rather than in water. Several species lack tadpoles, with the eggs hatching directly into froglets.[4] The tadpoles of S. sechellensis are carried, abnormally, on the backs of the female frogs until metamorphosis.[5]

There is no fossil record for the family. They diverged from the Nasikabatrachidae when the Seychelles Islands split from India during the Late Cretaceous.

Taxonomy

The family was first described in 1931 by Gladwyn Kingsley Noble (1894–1940).

Genetic analysis indicates that some of the species that occur on multiple islands should actually be divided into multiple different lineages or evolutionarily significant units, and possibly even distinct species.[6]

References

  1. ^ http://digitallibrary.amnh.org/dspace/bitstream/2246/5781/1/B297.pdf
  2. ^ Frost, Darrel R. 2006. Amphibian Species of the World: an online reference. Version 4.0 (17 August 2006). Electronic Database accessible at [1]. American Museum of Natural History, New York, USA.
  3. ^ Franky Bossuyt; Biju, S. D. (October 2003). "New frog family from India reveals an ancient biogeographical link with the Seychelles". Nature. 425 (6959): 711–714. doi:10.1038/nature02019. ISSN 1476-4687. PMID 14562102.
  4. ^ Zweifel, Richard G. (1998). Cogger, H.G.; Zweifel, R.G. (eds.). Encyclopedia of Reptiles and Amphibians. San Diego: Academic Press. pp. 104–105. ISBN 0-12-178560-2.
  5. ^ Encyclopedia of Animals:Mammals, Birds, Reptiles, Amphibians
  6. ^ Groombridge, Jim J.; Taylor, Michelle L.; Bradfield, Kay S.; Maddock, Simon T.; Bunbury, Nancy; Chong-Seng, Lindsay; Griffiths, Richard A.; Labisko, Jim (2019). "Endemic, endangered and evolutionarily significant: cryptic lineages in Seychelles' frogs (Anura: Sooglossidae)". Biological Journal of the Linnean Society. 126 (3): 417–435. doi:10.1093/biolinnean/bly183.
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Sooglossidae: Brief Summary

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The Seychelles frogs (Sooglossidae) are a family of frogs found on the Seychelles Islands. Until recently, this family was believed to include the genera Sechellophryne, Nesomantis and Sooglossus, but following a major revision of amphibians in 2006, the genus Nesomantis was named a junior synonym of Sooglossus. Their closest relatives are the purple frogs (Nasikabatrachidae) of India.

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