Malagarion Tillier, 1979
Biology:
The genus Malagarion contains 6 species (Schilekyo 2002).
Morphology:
External: No lobes on mantle; three part sole (Schilekyo 2002).
Internal: Shell minimal with little calcification and 1.5 whorls; short vas deferens; fairly long, tubular epiphallus with a flagellum at its apex; conic caecum on the middle of the epiphallus, with penial retractor muscle attached at the base of the caecum; penis with two internal verges at its apex; sheath around penis basal half and separately on epiphallus base; connective tissue between penis sheath and epiphallus; thick, irregularly-shaped oviduct with three sections; short, thick spermatheca undifferentiated from its duct; almost no vagina; very short atrium (Schilekyo 2002). .
Habitat:
Madagascar (Schilekyo 2002).