Ctenotus joanaeCtenotus joanae, also known commonly as the blacksoil ctenotus and the black-soil ctenotus, is a species of lizard in the subfamily Sphenomorphinae of the family Scincidae. The species is endemic to Australia.EtymologyThe specific name, joanae, is in honor of Australian zoologist Joan Maureen Dixon.Geographic rangeIn Australia, C. joanae is found in the Northern Territory and in the states of Queensland and South Australia.HabitatThe preferred natural habitat of C. joanae is grassland.DescriptionC. joanae has five digits on each of its four feet. The prefrontal scales are separated, and the subdigital lamellae are bluntly keeled. Heavy-bodied for its genus, it may attain a snout-to-vent length of.ReproductionC. joanae is oviparous.