Vitellaria reticulate and anostomosing, separate from the germaria; the short vitelloducts and germoducts unite into one oviduct; efferent and deferent tracts of the female copulatory organ connecting the fecundatorium with the atrium genitale commune in Astrorhynchus, but in Paramesostoma the efferent tract has a special opening in front of the genital pore; cuticular bursal opening in front of the genital pore; cuticular bursal appendage absent; male cuticular copulatory organ consisting of a penis stylet; margin of the pharynx ciliate; vasa deferentia uniting into one spermaducal vesicle before entering the muscular part of the copulatory organ;
Notes from synonyms
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