| Length | 92–280 mm | 230–313 mm |
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| Width | 3–6 mm | 3–4 mm |
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| Segments | 211–389 | 306–384 |
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| Setae | Perichaetine, except segment 18, ventral setae on segments 12–21 sometimes 11 and 22 displaced anteriorly or posteriorly of the setal line | Perichaetine, ventral-most setae may be displaced anteriorly or posteriorly to produce a zigzagged appearance of the transverse setal line |
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| Clitellum | Saddle shaped on segments 13–18 | Saddle shaped on segments 13, ½13– 19 |
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| Spermathecal pores | Three pairs 7,8 and 9 (just posterior to 6/7,7/8 and 8/9 | Two pairs in 8 and 9 (slightly posterior to7/8 and 8/9) |
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| Male pores | Closely paired in segment 18 in a square-shaped depression | Closely paired in segment 18 in an oval, transverse genital shield |
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| Typhlosole | Simple, lamelliform begin in segments 26–28 | Simple, lamelliform begin in segments 27–31 |
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| Seminal vesicles | In segments 11 and 12 | In segment 11 and 12 |
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| Spermathecae | Three pairs in segments 7, 8 and 9 sometimes anterior directed in segments 6, 7 and 8, with digitiform, ectal diverticulum | Two pairs in segments 8 and 9, with digitiform, ectal diverticulum |
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