Nematogenia panamaensis (Eisen, 1900)

• Male pores in xvii.
• Female pores at b and in xiv.
• Bithecal, pores minute and superficial at or close to b at viii/ix.
• Clitellum saddle-shaped.
• Seminal vesicles in xii, large.
• Prostate tubular with long duct slightly narrow.
• Spermathecae large enough to reach dorsal parietes, ducts rather slender but with thick wall and narrow central lumen.
• Gizzard weak in vi, vii.
• Paired calciferous glands in ix, each with fairly thick wall (n large canal) and a central, vertically slit like lumen, a long and slender stalk bound in a U-loop against the oesophagus.
• Intestinal origin in xii.
• Typhlosole and supra-intestinal glands absent.
• Size 40-55 mm.
• Single species recorded in India.
• Type locality is Panama.