Bock S 1923 (citation)- Karling TG 1940 (citation)- p 224 mentions. Marcus E 1945 (citation)- mentions p 21. Westblad E 1948 (citation)- p 62-65 comments on this genus in discussion of Archoophora. Papi F 1957 (citation)- gives the following diagnosis for genus (in comparison with his new genus Hofsteniola). "Hofsteniidae of large dimensions, with nerve elements around the statocysts. Mouth subterminal, phyarynx with a in arrangement of muscle layers atypical and complex. Testes diffuse, granular vesicle present. Type of the genus an only species H. atrioviridis Bock from the pacific coast of Japan". [Bush translation]. Hyman LH 1951 (citation)- vol 2, p 77 epithelium with muscle fibers in it. p 83 on nervous system next ot epidermis. p 93 calls this an Alloeocoel. on statocyst in - ill p 100. p 148 lists this genus in Alloeocoels but notes frontal gland in- also statocyst p 148. p 150 includes this genus in the Lecithoepitheliata. Hyman LH 1959 (citation)- p 734 on rank and position of this. Steinbock O 1966 (citation)- in his long discussion of regeneration and phylogeny mentions genus as a whole frequently. Steinbock O 1967 (citation)- mentions p 397 a Dorjes J 1968 (citation)- p 104 definition, lists 4 species: H. atrioviridis Bock 1923 Type H. miamia Correa, 1960 H. beltagi Steinböck, 1966 H. giselae Steinböck, 1966 Doe DA 1981 (citation)- lists as having pharynx simplex (not coronatus).
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