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Dibamidae

Dibamids
Temporal range:
Mexican blind lizard (Anelytropsis papillosus)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Family: Dibamidae
Boulenger, 1884
Genera

Anelytropsis
Dibamus
†Hoeckosaurus

Synonyms

Anelytropidae Cope, 1885

Dibamidae or blind skinks is a family of lizards characterized by their elongated cylindrical body and an apparent lack of limbs.[1] Female dibamids are entirely limbless and the males retain small flap-like hind limbs, which they use to grip their partner during mating.[1][2] They have a rigidly fused skull, lack pterygoid teeth and external ears. Their eyes are greatly reduced, and covered with a scale.[2]

They are small insectivorous lizards, with long, slender bodies, adapted for burrowing into the soil.[3] They usually lay one egg with a hard, calcified shell, rather than the leathery shells typical of many other reptile groups.[2][4]

The family Dibamidae has two genera, Dibamus with 23 species native to Southeast Asia, Indonesia, the Philippines, and western New Guinea and the monotypic Anelytropsis native to Mexico.[5] Recent phylogenetic analyses place the dibamids as the sister clade to all the other lizards and snakes[6][7][8] or classify them as sharing a common ancestor with the infraorder Gekkota, with Dibamidae and Gekkota forming the sister clade to all other squamates.[9] Hoeckosaurus from the Oligocene of Mongolia represents the only fossil record of the group.[10]

  1. ^ a b Vitt, Laurie J.; Caldwell, Janalee P. (2014). Herpetology : an introductory biology of amphibians and reptiles (4th ed.). Amsterdam. ISBN 9780123869197. OCLC 839312807.{{cite book}}: CS1 maint: location missing publisher (link)
  2. ^ a b c Greer, Allen E. (1985). "The Relationships of the Lizard Genera Anelytropsis and Dibamus". Journal of Herpetology. 19 (1): 116–156. doi:10.2307/1564427. ISSN 0022-1511. JSTOR 1564427.
  3. ^ Pough, F. Harvey (2015-11-18). Herpetology (Fourth ed.). Sunderland, Massachusetts, USA. ISBN 9781605352336. OCLC 908397943.{{cite book}}: CS1 maint: location missing publisher (link)
  4. ^ Cogger, Harold G.; Zweifel, Richard George, eds. (1998). Encyclopedia of Reptiles & Amphibians (2nd ed.). San Diego, CA. ISBN 0121785602. OCLC 39559811.{{cite book}}: CS1 maint: location missing publisher (link)
  5. ^ "The Reptile Database". reptile-database.reptarium.cz. Retrieved 2019-02-08.
  6. ^ Tonini, João Filipe Riva; Beard, Karen H.; Ferreira, Rodrigo Barbosa; Jetz, Walter; Pyron, R. Alexander (2016-12-01). "Fully-sampled phylogenies of squamates reveal evolutionary patterns in threat status". Biological Conservation. Advancing reptile conservation: Addressing knowledge gaps and mitigating key drivers of extinction risk. 204: 23–31. Bibcode:2016BCons.204...23T. doi:10.1016/j.biocon.2016.03.039. ISSN 0006-3207.
  7. ^ Portik, Daniel M; Wiens, John J (2020-08-14). Faircloth, Brant (ed.). "Do Alignment and Trimming Methods Matter for Phylogenomic (UCE) Analyses?". Systematic Biology. 70 (3): 440–462. doi:10.1093/sysbio/syaa064. ISSN 1063-5157. PMID 32797207.
  8. ^ Vidal, Nicolas; Hedges, S. Blair (2009-02-01). "The molecular evolutionary tree of lizards, snakes, and amphisbaenians". Comptes Rendus Biologies. La théorie de Darwin revisitée par la biologie d'aujourd'hui / Darwin's theory revisited by today's biology. 332 (2): 129–139. doi:10.1016/j.crvi.2008.07.010. ISSN 1631-0691. PMID 19281946. S2CID 23137302.
  9. ^ Reeder, Tod W.; Townsend, Ted M.; Mulcahy, Daniel G.; Noonan, Brice P.; Wood, Perry L.; Sites, Jack W.; Wiens, John J. (2015-03-24). Wilf, Peter (ed.). "Integrated Analyses Resolve Conflicts over Squamate Reptile Phylogeny and Reveal Unexpected Placements for Fossil Taxa". PLOS ONE. 10 (3): e0118199. Bibcode:2015PLoSO..1018199R. doi:10.1371/journal.pone.0118199. ISSN 1932-6203. PMC 4372529. PMID 25803280.
  10. ^ Čerňanský, Andrej (2019-10-25). "The first potential fossil record of a dibamid reptile (Squamata: Dibamidae): a new taxon from the early Oligocene of Central Mongolia". Zoological Journal of the Linnean Society. 187 (3): 782–799. doi:10.1093/zoolinnean/zlz047. ISSN 0024-4082.

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