Lerista

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Lerista is a diverse (~ 90 species) genus of skinks endemic to Australia, commonly known as sliders.[1]

Description

The genus is especially notable for the variation in the amount of limb reduction.[2][3] The variation ranges from short-bodied forms with large legs bearing five toes, to elongate forms completely lacking legs. The body length of the lizards is 33–103 millimetres (1.3–4.1 in). Their locomotion is linked to their body shape. The shorter skinks with prominent limbs travel on the surface; the longer skinks with reduced legs tend to burrow more. A phylogenetic tree of Lerista, derived from DNA analysis, reveals that limb loss has happened multiple times within this group.[4][5] Limb loss has occurred relatively recently, in the past 3.6 million years or so.

Species

The following species are recognized as being valid.[6]

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Note: a binomial authority in parentheses indicates that the species was originally described in a genus other than Lerista.

References

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  1. ^ Page Module:Citation/CS1/styles.css has no content.Vanderduys, Eric (7 March 2013). "Australian endangered species: Retro Slider". The Conversation: Latest Ideas and Research.
  2. ^ Page Module:Citation/CS1/styles.css has no content.Greer, Allen E. (1990). "Limb reduction in the scincid lizard genus Lerista. 2. Variation in the bone complements of the front and rear limbs and the number of postsacral vertebrae". Journal of Herpetology. 24 (2): 142–150. doi:10.2307/1564221. JSTOR 1564221.
  3. ^ Page Module:Citation/CS1/styles.css has no content.Greer, Allen E. (1991). "Limb reduction in squamates: identification of the lineages and discussion of the trends". Journal of Herpetology. 25 (2): 166–173. doi:10.2307/1564644. JSTOR 1564644.
  4. ^ Page Module:Citation/CS1/styles.css has no content.Skinner, Adam; Lee, Michael S. Y. (2009). "Body form evolution in the scincid lizard clade Lerista and the mode of macroevolutionary transitions". Evolutionary Biology. 36 (3): 292–300. Bibcode:2009EvBio..36..292S. doi:10.1007/s11692-009-9064-9. S2CID 42060285.
  5. ^ Page Module:Citation/CS1/styles.css has no content.Skinner, Adam; Lee, Michael S. Y.; Hutchinson, Mark N. (2008). "Rapid and repeated limb loss in a clade of scincid lizards". BMC Evolutionary Biology. 8 (1): 310. Bibcode:2008BMCEE...8..310S. doi:10.1186/1471-2148-8-310. PMC 2596130. PMID 19014443.
  6. ^ Genus Lerista at The Reptile Database www.reptile-database.org.

Further reading

  • Bell, Thomas (1833). "Characters of two New Genera of Reptiles". Proceedings of the Zoological Society of London 1833 (1): 98–99. (Lerista, new genus, p. 99).

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