Triboniophorus
Three to four species are in this Australian - west Pacific genus (Schileyko 2007).
External: Big, flat, leaf-shaped slugs; dorsum with a network of narrow, shallow grooves emerging from a middorsal groove; triangular mantle on anterior dorsum; pneumostome and anus in right side apex of mantle; usually smooth skin; usually red edge of mantle and foot (Schileyko 2007; Stanisic et al. 2010).
Internal: Long, thin vas deferens; long penis with strong convolutions in its apical end; penial retractor muscle attached to vas deferens; long oviduct and vagina; relatively long spermatheca duct; ovate spermatheca lying on lower spermoviduct (Schileyko 2007).
Up to 160 mm long, living (Schileyko 2007).
E Australia, Papua New Guinea, Irian Jaya, New Britain, New Ireland, Admiralty Ids. (Beesley et al. 1998; Stanisic et al. 2010).