mouth ventral, posterior to brain;
3 external openings to sex apparatus:
2 separate gonopores, plus
external opening to ductus genito-intestinalis anterior to female gonopore;
Diagnosis for the valid (accepted) taxonomic name
Diagnosis for Macrostomidae Macrostomum
with 1 pair ovaries and testes; mouth posterior to brain and eyes;
Return to Macrostomidae Macrostomum