Octodrilus transpadanus (Rosa)

Diagnosis: Length 40–45 mm, diameter 4–5 mm. Clitellum on segments 30–37. Tubercula pubertatis on segments 30–36. Setae widely paired. Seminal vesicles, four pairs in segments 9–12. Colour dark brown. Male pore on segment 15, nephridial bladders ocarina-shape (Figure 2B).

Habitat: Moist soils.

Material examined: CCSM-E 000036.2 ex. Mazandaran Province, Behshahr - Abbas Abad Military Zone- Abbas Abad Forest, 11.11.2019. Leg . R. Latif, A. Esmaeilizad; CCSM-E 000037.2 ex. Mazandaran Province, Sari - Kurdkhel village, 11.11.2019. Leg . R. Latif, A. Esmaeilizad