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Encyclopedia Britannica - Main :: GEO-GNU |
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GEPHYREA , the name used for several groups of worm-like animals with certain resemblances but of doubtful affinity. In the article " Annelida
preface to the English
translation
Gegenbaur
Comparative
Zoology ," Ency. Brit., 9th ed.) recognized that the Phoronidae had other affinities, and placed the other " gephyreans " in association with the Polyzoa as the two classes of a phylum Podaxonia. In the present state of knowledge the old group Gephyrea is broken up into Echiuroidea (q.v.) or Gephyreaarmata, which are certainly Annelids; the Sipunculoidea
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