Aiyeriella Narayanan & Julka, 2025


  • Combined male and prostatic pores, paired at posterior ends of fine seminal grooves on segment xviii.
  • Setae lumbricine.
  • Single large oesophageal gizzard, in segment v.
  • Oesophageal calciferous glands or calciferous dilations absent.
  • Supra-intestinal glands, typhlosole, and intestinal caeca absent.
  • Micromeronephridia astomate, exonephric paired tufts in ii-x.
  • Several avesiculate, exonephric on the body wall in xi, and posteriad segments.
  • Prostates tubuloracemose, elongated, strap-shaped, paired.
  • Penial setae absent.
  • Two species recorded from India viz.,

S. No Species Type locality Status
1 quadritheca Kottavasal, 13 km from Achankovil and 85 km from Kollam (earlier Quilon), Kerala, India Endemic
2 longiprostata Muttidichantheri in Peppara Wildlife Sanctuary, 12 km from Bonacaud and 68 km from Thiruvananthapuram (earlier Trivandrum), Kerala, India Endemic