Leptastacidae Lang, 1948
Sextonis chilensis (Mielke, 1985)
Sextonis delamarei (Rouch, 1962)
Sextonis incurvatus (Lang, 1965)
Sextonis laminaserratus (Mielke, 1985)
Sextonis mehuinensis (Mielke, 1985)
Sextonis naylori (McLachlan & Moore, 1978)
