Turbellarian taxonomic database
Isodiametridae Avagina Diagnosis
Colored or uncolored. Brain insunk. Frontal organ weak. Mouth opening ventral. Rhabdoids lacking. Ovaries and
testes paired. Female accessory organs lacking. Male gonopore shortly in front of the hind end. Copulatory
organ consisting of an inner muscular vesicula seminalis and an eversible muscular penis. Antrum masculinum
lacking. (citation)
[From Dorjes J (1968)]
Notes from synonyms
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