Papi F 1957 (citation)- describes in detail and gives diagnosis of genus and family and places them in new division of Acoela- note nervous system is "epidermal" without any internal parts- is a simpler animal than Hofstenia atrioviridis and ? conclude all go in Acoela. Correa DD 1960 (citation)- compares her species miamia with this. Ax P 1961 (citation)- illustration of epidermal cells in- cells in epicytium, etc. Ax P 1963 (citation)- ? digestive lumen may be present. Correa DD 1963 (citation)- compares her species miamia with this, brief description. Steinbock O 1966 (citation)- from Gulf of Naples p 63, illustration with muscles p 65, anterior end illustration p 78. Mamkaev YuV 1967 (citation)- in comparison- copulatory organ Dorjes J 1968 (citation)-lists as type of genus Hanson ED 1977 (citation)- on phylogeny p 506, 515-517 as Hofstenia ?
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