Amynthas Kinberg, 1867


  • Male pore paired in xviii (rarely xix) discharging directly onto the surface.
  • Female pore single, rarely paired on xiv.
  • Perichaetine.
  • Cylindrical body.
  • Clitellum annular xiv-xvi rarely beginning on xiii.
  • Spermathecal pores paired (bithecal), occasionally numerous or single between iv/v and viii/ix.
  • Prostate racemose.
  • Gizzard between septa vii/viii and ix/x.
  • Intestinal caecae present originating in xxvii.
  • Meronephric.
  • Holandric or Metandric.
  • Copulatory pouches absent.
  • Spermathecae usually paired, rarely multiple or single.
  • Twenty one species recorded in India viz.,

S. No. Species Type locality Status
1. aculeatus Port Blair, Andaman & Nicobar Islands, India Endemic
2. agrestis Takahashi, Japan Exotic
3. alexandri Calcutta (Kolkata), West Bengal, India Exotic
4. andersoni choprai Nyaungbin, Myanmar Unknown
5. aspergillum Amoy and Kowloon, China Exotic
6. canaliculatus Blachi, Myanmar Unknown
7. carinensis Meteleo, Myanmar Endemic
8. corticis Oahu, Hawaiian Islands Exotic
9. facetus John Lawrence Islands Andaman & Nicobar Islands, India Endemic
10. gracilis Rio de Janeiro, Brazil Exotic
11. hupeiensis Shu-hui-yao (Shihuiyao), China Exotic
12. incongruus Lin-hai-hsien, China Exotic
13. malacus between Kyaukmedaung and Kameik, Myanmar Endemic
14. morrisi Kew Garden from Penang,Malaysia Exotic
15. osmastoni Wimberleyganj bay, Andaman & Nicobar Island, India Endemic
16. pallidus Porto Alegre Exotic
17. papilio papilio San Hlan, Myanmar Exotic
18. papulosus Balighe, Indonesia Exotic
19. robustus Isle de France (Mauritius) Exotic
20. rodericensis Rodriguez (Rodriquez), Mauritius Exotic
21. suctorius suctorius Andaman Island, Andaman & Nicobar Islands, India Endemic
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