Streptaxoidea

Streptaxoidea is a superfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the suborder Achatinina of the order Stylommatophora.

2005 taxonomy
There have been recognized the only family Streptaxidae within Streptaxoidea in the taxonomy of Bouchet & Rocroi (2005).

2010 taxonomy
Sutcharit et al. (2010) have established a new family Diapheridae within Streptaxoidea as follows:


 * family Streptaxidae Gray, 1860
 * family Diapheridae Panha & Naggs, 2010

Rowson et al. (2011) have confirmed monophyly of Streptaxidae and Diapheridae as its sister group.