Overview

Distribution

Continent: Australia
Distribution: Australia (New South Wales, SE Queensland)
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© Peter Uetz

Source: The Reptile Database

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Saiphos

Saiphos is a monotypic genus of skinks. "Siaphos" tridigitus, initially placed here, is now reassigned to the "wastebin taxon" Sphenomorphus pending a review of that assemblage.

References

  • Greer, Allen E.; David, Patrick & Teynié, Alexandre (2006): The Southeast Asian scincid lizard Siaphos tridigitus Bourret, 1939 (Reptilia, Scincidae): a second specimen. Zoosystema 28(3): 785-790. PDF fulltext


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Saiphos equalis

Saiphos equalis, commonly known as the yellow-bellied three-toed skink or simply three-toed skink, is a species of burrowing skink found in eastern Australia. It is the only species classified under the genus Saiphos.

The lizard has attracted scientific attention due to its dual reproduction habits of producing young via eggs in coastal populations, or via live young in colder mountain regions.[5]

Contents

Description

Saiphos equalis grows to a length of 18 cm including the tail. It has a brown back and an orange belly. The skink is active at night, and feeds on insects.[5]

Taxonomy and nomenclature

Saiphos equalis was originally described by the British zoologist John Edward Gray in 1825 as Seps equalis.[6] In 1831, Gray reclassified it under a genus he separately established, Saiphos.[1]

Saiphos equalis is now considered to be the only member of the genus Saiphos. It belongs to the subfamily Lygosominae of the skink family Scincidae.[7] Phylogenetic analysis in 2003 showed that the closest sister taxa of Saiphos equalis are Coeranoscincus reticulatus and members of the genus Ophioscincus.[8] They are part of the Australian Sphenomorphus group, a large monophyletic clade within Lygosominae.[9]

Distribution and habitat

Saiphos equalis are common in New South Wales and Queensland of eastern Australia.[10]

References

  1. ^ a b John Edward Gray (1831). "A synopsis of the species of Class Reptilia". In Edward Griffith & Edward Pidgeon. The animal kingdom arranged in conformity with its organisation by the Baron Cuvier with additional descriptions of all the species hither named, and of many before noticed. Volume IX: The Class Reptilia. Whittaker, Treacher, and Co., London. p. 72. http://books.google.com.ph/books?id=qdpxsIPm8kkC&lpg=PP1&hl=en&pg=PA494#v=onepage&q&f=false. 
  2. ^ Karl P. Schmidt (1943). "Amphibians and Reptiles from the Sudan". Zoological Series of Field Museum of Natural History 24 (29): 331–338. http://libsysdigi.library.uiuc.edu/oca/Books2008-01/amphibiansreptil2429schm/amphibiansreptil2429schm.pdf. 
  3. ^ Peter Uetz, Jakob Hallermann, & Jiri Hosek. "Saiphos equalis (Gray, 1825)". The Reptile Database. http://reptile-database.reptarium.cz/species?genus=Saiphos&species=equalis. 
  4. ^ Glenn M. Shea & Ross A. Sadlier (1999). "A Catalogue of the Non-fossil Amphibian and Reptile Type Specimens in the Collection of the Australian Museum: Types Currently, Previously and Purportedly Present". Technical Reports of the Australian Museum (Australian Museum) (15): 1–91. ISSN 1031-8062. http://australianmuseum.net.au/Uploads/Journals/17870/1290_complete.pdf. 
  5. ^ a b Marshall,M., Live birth, evolving before our eyes, New Scientist, 25 August 2010. [1]
  6. ^ John Edward Gray (1825). "A synopsis of the genera of reptiles and Amphibia, with a description of some new species". Annals of Philosophy (British Museum) 10: 193–217. http://www.archive.org/details/cbarchive_51502_asynopsisofthegeneraofreptiles9999. 
  7. ^ George R. Zug, Laurie J. Vitt, & Janalee P. Caldwell (2001). Herpetology: an Introductory Biology of Amphibians and Reptiles. Academic Press. p. 494. ISBN 9780127826226. http://books.google.com.ph/books?id=qdpxsIPm8kkC&lpg=PP1&hl=en&pg=PA494#v=onepage&q&f=false. 
  8. ^ Tod W.Reeder (2003). "A phylogeny of the Australian Sphenomorphus group (Scincidae: Squamata) and the phylogenetic placement of the crocodile skinks (Tribolonotus): Bayesian approaches to assessing congruence and obtaining confidence in maximum likelihood inferred relationships". Molecular Phylogenetics and Evolution (Elsevier Science) 27 (2003): 384–397. doi:10.1016/S1055-7903(02)00448-7. ISSN 1055-7903. http://169017656630598634-a-1802744773732722657-s-sites.googlegroups.com/site/todreederslab/home/publications-1/MolPhyEvol03-AustSphenogrp.pdf?attachauth=ANoY7cqqeFNdLKk66riolbaAqVqlXIvLZcjA1eIGAppqJXxe9rK-yoC9bQTVzoOcYvgsFyXoC5T01lrJShUK-IQ2AishGXetfGjJbMAfaKl5Y03aHSDcyzwkIT96Se0FWWVZdQLHloLG2trq8S7CAKONIDB1aH-QdUYspSdOmuSrSSRBqDiFH276CR303sVNKWektUhJ5xQoRy4W05UZAQZv-276cMj_QrpG6ANM8U5y-DdHso3du_ojiIYxQOYNvFGIWDxLWESr&attredirects=0. 
  9. ^ Adam Skinner (2007). Phylogeny and Evolution of Lerista (Lygosominae, Scincidae, Squamata) (PhD thesis). Department of Environmental Biology, The University of Adelaide. http://digital.library.adelaide.edu.au/dspace/bitstream/2440/48331/1/02whole.pdf. 
  10. ^ Queensland CRA/RFA Steering Committee (1997). Systematic Vertebrate Fauna Survey Project: Stage IIB - Assessment of Habitat Quality for Priority Species in Southeast Queensland Bioregion. Department of Natural Resources, Department of Environment, and Environment Australia, Queensland Government, Government of Australia. pp. 71–72. http://www.daff.gov.au/__data/assets/pdf_file/0008/49589/qld_se_eh2b.pdf. 
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