Pleioplanidae Faubel, 1983

Diagnosis

Leptoplanoidea with varying outline of the body. Ruffled pharynx arranged centrally or somewhat anterior. Male copulatory apparatus directed backwards, behind pharynx. True prostatic vesicle of Notoplana type present; its glandular lining epithelium is subdivided into a great number of elongate tubular chambers (atomata type).

Key to genera (modified from Bulnes 2010)

1. Male copulatory apparatus with penis stylet ....................................................... 2

– Male copulatory apparatus with penis papilla ................................................... 3

2. Lang’ s vesicle present ...................................................... Pleioplana Faubel, 1983

– Lang’ s vesicle lacking ................................................................. Persica gen. nov.

3. Lang’ s vesicle present .................................................... Melloplana Faubel, 1983

– Lang’ s vesicle lacking ............................................................ Izmira Bulnes, 2010