The species is endemic to Western Australia.

[2] The specific name, tealei, is in honor of Australian zoologist Roy Teale.

[3] D. tealei is found on the North West Cape peninsula in northwestern Western Australia.

[4] The preferred natural habitats of D. tealei are grassland and rocky areas.

[1] Legless and snake-like, D. tealei may attain a snout-to-vent length (SVL) of almost 9 cm (3.5 in).