Acochlidiidae

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

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

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

Genera
According to Schrödl & Neusser (2010), there are three genera in the family Acochlidiidae:

Acochlidium Strubell, 1892
 * Acochlidium amboinense Strubell, 1892
 * Acochlidium bayerfehlmanni Wawra, 1980
 * Acochlidium fijiiensis Haynes & Kenchington, 1991

Palliohedyle Rankin, 1979
 * Palliohedyle sutteri - synonym: Acochlidium sutteri Wawra
 * Palliohedyle weberi - synonym: Acochlidium weberi Bergh, 1896

Strubellia Odhner, 1937
 * Strubellia paradoxa (Strubell, 1892) - synonym: Acochlidium paradoxum Strubell
 * Strubellia wawrai Brenzinger, Neusser, Jörger & Schrödl, 2011