Family: Oral nematodesmata not a ring around mouth, more prominent to side and rear of mouth; typically 3 long, large polykinetids in oral cavity; cytostome expands along postoral suture . Genus: Postoral kineties usually to left of oral poykinetids (Illustrated Guide, 1985). Left edge is more curved than right edge; cytopharynx with numerous strong fibrils; ectoplasm with numerous fusiform trichocysts; macronucleus oval; one to several micronulei (Kudo, 1966).

50 μm 100 μm 150 μm; x 400 : 31 μm 63 μm 94 μm; x 640