Definition Winsor L 1990 (citation)-: Discoid to obcordate in shape. Color results from pigments and symbiotic algae: often with two coexisting species of symbiotic algae. Brain insunk. Mouth ventral and in posterior third of body. Rhabdoids present. Ovaries and testes paired. With Subterminal male genital pore. Male antrum ciliated. Seminal bursa with paired lateral bursa canals. Eyes, statocyst, frontal glands present. Female genital pore and penis absent. Epizoic on corals.[From Winsor L (1990)]
Diagnosis for the valid (accepted) taxonomic name
Diagnosis for Convolutidae Waminoa
Convolutidae discoid to obcordate in shape; color results from pigments and symbiotic algae; often with two coexisting species of algal symbionts; brain insunk; mouth ventral and in posterior third of body; rhabdoids present; ovaries and testes paired; with sub-terminal male genital pore. Male copulatory organ composed of muscular seminal vesicle filled with sperm. Female gonopore present or absent. Seminal bursa with 2 or more (2–8) bursal nozzles. Statocyst and eyes absent in mature forms, but present in immature specimens. Frontal organ absent. Epizoic on corals.Return to Convolutidae Waminoa