Subgenus Andiorrhinus (Meridrilus) Righi, 1993

Type species. Andiorrhinus (Meridrilus) guamo Righi 1990 .

Diagnosis. The subgenus Andiorrhinus (Meridrilus) is defined by the presence of two pairs of intestinal hearts in segments 12 and 13 (Righi 1986; 1993). Number of species: 8. Distribution: all in Venezuela.