Yamasu T 1991 (citation)- "structure and function of ocelli and sagittocysts" in Acoels. Electron microscopy of structures. Species used in study were: Praesagittifera naikaiensis, Praesagittifera gracilis, Symsagittifera nitidae, Convoluta naviculae, Convoluta sp., Convoluta kikaiensis, Praesagittifera shikoki, Amphiscolops langerhansi, Amphiscolops sp., Pseudaphanostoma sp.
Notes from synonyms
Notes for Convoluta gracilis
Yamasu T 1982 (citation)- description and illustration p 34-37. Descriptions vague and general- penis ? [Bush- uncertain?]. Yamasu T, Okazaki A 1987 (citation)- in formal list p 64.