Turbellarian taxonomic database

Macrostomidae Promacrostomum Diagnosis

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;

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