Ocnerodrilidae, Hernández-García & Burgos-Guerrero & Rousseau & James, 2018

Hernández-García, Luis Manuel, Burgos-Guerrero, Jesús Enrique, Rousseau, Guillaume Xavier & James, Samuel Wooster, 2018, Brasilisia n. gen. and Arraia n. gen., two new genera of Ocnerodrilidae (Annelida, Clitellata, Oligochaeta) from Eastern Amazonia, Brazil, Zootaxa 4496 (1), pp. 472-480 : 478-479

Key to the genera of Ocnerodrilidae (from Fragoso & Rojas, 2009, extended)

1. Esophagus without extramural calciferous glands............................................................ 2

- Esophagus with extramural calciferous glands............................................................... 7

2. Gizzard absent (Hawaii)............................................................ Enicmodrilus Eisen, 1900

- Gizzard present....................................................................................... 3

3. Two gizzards, in VI and VII............................................................................. 4

- One gizzard in VII..................................................................................... 5

4. With dorsal pores and typhlosole; metandric (testes in XI), prostates in XVII, XIX, XX, XXI ( India)........................................................................................................ Deccania Gates, 1949

- Without dorsal pores and typhlosole; holandric (testes in X and XI) (Mexico)........... Chacdrilus Fragoso & Rojas, 2009

5. Two pairs of prostates in XVII and XIX or three pairs of prostates in XVII, XIX and XX (India)....... Thatonia Gates, 1942

- One pair of prostates in XVII or two pair of prostates in XVII and XX............................................ 6

6. Holandric, prostates in XVII or XVII and XX ( India, China, Myanmar)..................... Malabaria Stephenson, 1924

- Metandric, prostates in XVII ( India)............................................... Aphanascus Stephenson, 1924

7. Unpaired segmental calciferous glands.................................................................... 8

- Paired segmental calciferous glands...................................................................... 10

8. Calciferous glands in IX and X ( India).................................................... Curgiona Gates, 1941

- Calciferous gland only in IX............................................................................. 9

9. Two pairs of prostatic glands in XVII and XIX; gizzard generally absent (Tropical Africa, Brazil?, some peregrines)...................................................................................... Gordiodrilus Beddard, 1892

- Three pairs of prostatic glands in XVII–XIX (Africa).................................... Nannodrilus Beddard, 1894

10. Calciferous glands in IX and X.......................................................................... 11

- Calciferous glands in VIII or IX or XI.................................................................... 14

11. Metandric ( Seychelles Islands)...................................................... Maheina Michaelsen, 1897

- Holandric........................................................................................... 12

12. One pair of prostates in XVII or XVIII.................................................................... 11

- Two pairs of prostates, one pair in XVII and the other in XIX (Brazil).............................. Bauba Righi, 1980

13. Prostates in XVII ( Brazil).......................................................... Paulistus Michaelsen, 1926

- Prostates in XVIII ( Argentina, Ecuador, Peru)................... Quechuona Gates, 1941 (= Quechua Michaelsen, 1923 )

14. Calciferous glands in VIII or XI......................................................................... 15

- Calciferous glands in IX............................................................................... 16

15. Calciferous glands VIII ( Brazil)....................................................... Brunodrilus Righi, 1971

- Calciferous glands in XI ( Brazil)................................................... Exisdrilus Righi et al., 1978

16. With gizzards........................................................................................ 17

- Without gizzards..................................................................................... 27

17. Two pairs of testes (Holandric).......................................................................... 18

- One pair of testes..................................................................................... 22

18. Two gizzards, one in VI and another in VII ( Ecuador).......................................... Xibaro Righi, 1981

- One gizzard......................................................................................... 19

19. Gizzard in V, genital markings as protuberances in AB line (Brazil)............. Brasilisia Hernández-García et al. , n. gen.

- Gizzard not in 5, no genital markings as protuberances in AB line.............................................. 20

20. Gizzard in VI ( Brazil)................................................... Arraia Hernández-García et al. , n. gen.

- Gizzard in VII or VIII................................................................................. 21

21. Gizzard in VII ( Brazil).......................................................... Dariodrilus Righi et al. 1978

- Gizzard in VIII (West Africa)........................................................ Dorgiodrilus Gates, 1962

22. Proandric (one pair of testes in X)....................................................................... 23

- Metandric.......................................................................................... 25

23. One pair of spermathecae.............................................................................. 24

- Two pairs of spermathecae (South America, some peregrines)............................. Eukerria Michaelsen, 1935

24. Prostatic and male pores combined ( Argentine)........................................... Gatesia Jamieson, 1962

- Prostatic and male pores separated ( Argentine, Bolivia, Brazil)............................... Belladrilus Righi, 1984

25. Two gizzards, one in VI, one in VII...................................................................... 26

- Three gizzards, in VI–VIII ( Brazil)....................................................... Lourdesia Righi, 1994

26. Solid calciferous glands (without lumen) (Dominican Republic)............................. Temanonegia Gates, 1979

- Calciferous glands with large, central lumen (Central America, Africa, one peregrine)........... Nematogenia Eisen, 1900

27. Proandric........................................................................................... 28

- Holandric........................................................................................... 29

28. One pair of prostates in XVII ( Brazil, Paraguay).......................................... Haplodrilus Eisen, 1900

- Two pairs of prostates, one pair in XVII, one pair in XIX (Brazil).......................... Kerriona Michaelsen, 1924

29. One pair of spermathecal pores.......................................................................... 30

- Three pairs of spermathecal pores (in VII–IX) (Equatorial Guinea)...................... Diaphorodrilus Cognetti, 1910

30. Spermathecal pores in 6/7 or 7/8......................................................................... 31

- Spermathecal pores in 8/9 or 9/10........................................................................ 32

31. Spermathecal pores in 6/7 ( Ghana)...................................................... Tazelaaria Gates, 1962

- Spermathecal pores in 7/8 ( Guyana, Brazil)................................................. Liodrilus Eisen, 1900

32. Trabeculated calciferous glands, complete or only in part (Africa, Mexico, Central and South America , some peregrines)................................................................................... Phoenicodrilus Eisen, 1895

- Calciferous glands with large central lumen................................................................ 33

33. Spermathecae with diverticula (Africa).......................................... Pygmaeodrilus Michaelsen, 1890

- Spermathecae without diverticulum (Central and South America , one peregrine)................ Ocnerodrilus Eisen, 1878