Pickfordia ditheca OMODEO, 1958

Csuzdi, C. S., 2010, Review Of The Paleotropical Neogastrini Earthworms (Oligochaeta, Acanthodrilidae: Benhamiinae) With Description Of Two New Genera, Acta Zoologica Academiae Scientiarum Hungaricae 56 (2), pp. 103-118 : 110

Pickfordia ditheca OMODEO, 1958

Pickfordia ditheca OMODEO, 1958: 34 , OMODEO 2000: 194.

Pickfordia (Pickfordia) ditheca : CSUZDI 1993: 67, CSUZDI 1995: 117, CSUZDI 1996: 363.

Diagnosis. L. 60 mm, D. 3 mm. No. segments 160. Colour pale. Head epilobous, first dorsal pore 4/5. Spermathecal pores 7/8 ab. Clitellum saddle- shaped on 12–21. f 14, single ventralmedian. m? Genital field lacking, prostatic pores 19, 20.

All septa membranous. Muscular gizzard lacking. Calciferous glands 14–15, open through a common duct? Last pair of hearts 12. Typhlosole vestigial. Excretory system holoic.

Testes 10, 11 free. Vesicles 11, 12. Prostates 19, 20 small. Penial setae uniform, L. 0.37 mm, D. 0.02 mm, tip pointed, ornamentation serrated bars. Spermathecae elongated sac-shaped with thin and long duct and reclinate ampoule. Just under the ampoule a pair of globular diverticulum joins with the duct.

Distribution – Guinea, Mt. Nimba.