Abstract

Earless dragons (Tympanocryptis spp.) are found in most open dry environments across the Australian continent, with the 23 currently described species inhabiting a variety of ecological niches, from stony desert to tropical woodland or cracking clay savannahs. Recent species delimitation research using genetics (mtDNA, nDNA, SNPs) and geometric morphometric analyses of CT scans identified three genetic lineages of earless dragons that are yet to be described in Queensland, supporting the need for a taxonomic revision. Focussing on this geographic region, we use supporting evidence from a mitochondrial DNA (ND2) phylogeny, along with external morphological assessment, to undertake a taxonomic revision of Queensland earless dragons. Based on these data, we describe three new species of Tympanocryptis from the cracking clay grasslands of the Darling Riverine Basin, the Queensland Central Highlands, and the stony open eucalypt woodlands on the Einasleigh Uplands. The revision of these north-eastern Australian earless dragon species provides further taxonomic clarity within the Tympanocryptis genus.

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