Aphanascus oryzivorus Stephenson, 1924

• Unpigmented, grey in colour owing to the intestine and its contents showing through the body-wall.
• Setae closely paired.
• Prostomium zygolobous.
• Dorsal pores absent.
• On segment xvii are a pair of small round prominent papillae, teat like, bearing the prostatic pores, which are just external to the line of setae b.
• One pair of spermathecal pores are in groove 8/9, on small papillae, in line with setae b.
• Gizzard vestigial, in vii.
• Metandric; testes and funnels are free in segment xi.
• Type locality is found in Anaikomban paddy field in Kollengode, Kerala, India and is endemic.