Microparmarion Simroth, 1893
Biology:
18 species are in the genus Microparmarion (Schileyko 2003).
Morphology:
External: Visceral hump centrally located on body (Schilekyo 2003)
Internal: Flat internal shell; genitalia towards body opening are black in color; wide epiphallus; short caecum on base of epiphallus, with cryptae in caecum; looped penis with penial retractor muscle attached on its apex; penis with surrounding sheath and papillae on its inner walls; spermatheca with very short duct; very long, club-shaped sarcobelum on atrium, with a calcareous dart on a short papilla inside the sarcobelum (Schileyko 2003).
Distribution:
Java, Kalimantan, Lombok, Malaysian peninsula, Sumatra (Schileyko 2003).