Westblad E 1945 (citation)- description- definition - key to 2 species and illustration. F. fragilis listed first, Type. Westblad E 1948 (citation)- p 29- on ovaries and testes in. p 40 on penis in. p 57 in key. Dorjes J 1968 (citation)- moves genus into Convolutidae. p 87- definition and lists 3 species. F. fragilis Westblad 1945 Type F. glomerata Westblad 1945 F. antora Marcus 1952 Dorjes J 1972 (citation)- discussion of genus and comparison with Avagina. Faubel A 1976 (citation)- notes in discussing Avagina p 21, antrum masculinum which goes into the proximal penis.
Notes for the valid (accepted) taxonomic name
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