Turbellarian taxonomic database

Macrostomidae Antromacrostomum Diagnosis

mouth opening ventral, post-cerebral, and ciliated;
testes paired laterally, with 2 germinal zones, joined medially;
ovary unpaired;
male organ without stylet or cirrus;
seminal vesicle opens into long male antrum by way of a short, nonmuscular duct;
no vesicula granulorum;
female gonopore anterior to and separate from male gonopore;
vagina widens proximally to a female antrum;

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