Invertebrates, Vol.5: Smaller coelomate groups chaetognatha, hemichordata, pogonophora, phoronida, ectoprocta, brachiopoda sipunculida the coelomate bilateria
Hyman, Libbie Henrietta
Invertebrates, Vol.5: Smaller coelomate groups chaetognatha, hemichordata, pogonophora, phoronida, ectoprocta, brachiopoda sipunculida the coelomate bilateria - - McGraw-Hill Book Co., New York 1959 - 783 - .
Invertebrates-- Zoology
592 HYM-I.5
Invertebrates, Vol.5: Smaller coelomate groups chaetognatha, hemichordata, pogonophora, phoronida, ectoprocta, brachiopoda sipunculida the coelomate bilateria - - McGraw-Hill Book Co., New York 1959 - 783 - .
Invertebrates-- Zoology
592 HYM-I.5