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Meaning of protóstomo by JOHN





JOHN

protóstomo
  25

PROTOSTOM Protostomia, from the Greek "??????" pr?to, 'first' and "?????" stoma, 'mouth''; grouping of phyla of the animal kingdom. Together with deuterostomes or deuterostomes, they form the two lineages into which animals of bilateral symmetry, or Bilateria, are divided.

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