Palliohedylidae Rankin, 1979 Acochlidiidae are a taxonomic family of shell-less freshwater gastropods (one of them Palliohedyle weberi lives in brackish water),[1] aquatic gastropod mollusks within the clade Acochlidiacea.

Acochlidiidae was classified as the only family within the superfamily Acochlidioidea Küthe, 1935 in the taxonomy of Bouchet & Rocroi (2005).

[4] Palliohedylidae was in turn classified as the only family within the superfamily Palliohedyloidea.

[4] Schrödl & Neusser (2010)[1] redefined the taxonomy of Acochlidiacea in 2010, placing the family Acochlidiidae in the clade Hedylopsacea.

[1] According to Schrödl & Neusser (2010),[1] there are three genera in the family Acochlidiidae:[1] Acochlidium Strubell, 1892[1][5] Palliohedyle Rankin, 1979[1] Strubellia Odhner, 1937[1]