Martiodrilus (Martiodrilus) Righi, 1995

Feijoo, Alexander & Lavelle, Patrick, 2023, New species and records of earthworms (Annelida, Oligochaeta: Crassiclitellata) in small holder farming systems in the Peruvian Amazon, Zootaxa 5255 (1), pp. 157-170 : 163-164

Subgenus Martiodrilus (Martiodrilus) Righi, 1995 , sensu Zicsi, 2000

Diagnosis. Different sizes, without pigments, dark blue, green or with stripes that vary between black and yellow. Setae in 8 longitudinal rows all over the body, rarely in an irregular arrangement at the end of the body. Intraclitellar male pores. Calciferous glands 8 pairs in segment 7-14, with composite tubular structure. Holandric and metagynous genitalia. 1, 2, or 3 pairs of spermathecae. Dissepiments thickened behind oesophagus. Holonephridia without rosette shaped nephrostoma (modified Zicsi, 2000).

Type species. Martiodrilus (Martiodrilus) heterostichon heterostichon ( Schmarda, 1861)

Distribution. Number of species: 27, 3 subspecies. Ecuador (23), Colombia (4), Peru (1). In some cases, the species are distributed in several countries, for example Martiodrilus (Martiodrilus) heterostichon colpochaeta ( Cognetti, 1906) ( Ecuador, Colombia).