Turbellarian taxonomic database

Aberrantospermata Convolutidae Diagnosis

Spermatozoa with 9+0 axonemes. Pigmentation, algal symbionts and eye spots often present. Male antrum may have numerous stimulatory organs. Sagittocysts may be present. Includes large and active worms

[From Jondelius U, Wallberg A, Hooge M, Raikova OI (2011): 867]

Notes from synonyms

Diagnosis for Acoela Anaperidae

Convolutida with common gonopore or solely male gonopore, separate male and female gonopore only in Philachoerus johanni. Male and female copulatory organs are highly variable, composite prostatoid organs occur frequently and exclusively in this clade. Body shape is usually convex on the dorsal side and flat on the ventral side.

Diagnosis for Acoela Sagittiferidae

Kostenko AG, Mamkaev YuV 1990 (citation) - Ciliated sacate male antrum or non-ciliated sacate male antrum. Some
members with sagittocysts.

Return to Acoela Sagittiferidae