Octochaetoides aitkeni (Fedarb, 1898)
- Male pores paired on xviii in seminal grooves, prostatic pores paired at the end of seminal grooves, on xvii and xix.
- Oesophagus with 2 gizzards in vii-viii.
- One or two pair of discrete extramural calciferous glands in xiv-xv.
- Intestinal caecae, supra-intestinal glands and typhlosole absent.
- Holandric, testes and male funnels in x and xi, seminal vesicles in ix and xii.
- Prostate paired in xvii and xix.
- Penial setae smooth with nodulus at about one third from distal end, three times as long as the normal setae.
- Spermathecal pores paired in viii and ix, each with a tubular diverticulum arising from about the middle of the duct.
- Single species recorded in India.
- Type locality is Travancore, Kerala, India and is endemic.