The invertebrates v.2 Platyhelminthes and rhynchocoela, The acoelomate bilateria - Hyman, Libbie Henrietta (New York McGraw-Hill, 1951)
v.1 - Protozoa through ctenophora; v.2 - Platyhelminthes and rhynchocoela, The acoelomate bilateria, v.3 - Acanthocephala, aschelminthes, and entoprocta; v.4 - Echinodermata, the coelomate bilateria; v.5 - Smalle coelomate Groups: chaetognatha, hemichordata, pogonophora, phoronida, ectoprocta, brachiopoda sipunculida, the coelomate bilateria; v.6 - mollusca
Keywords: Invertebrates