(zoology) A division of the animal kingdom which includes the phyla Echinodermata, Chaetognatha, Hemichordata, and Chordata.
Deuterostomia
| Sci-Tech Dictionary: Deuterostomia |
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 | What Is a Protostome? (zoology) |
| What Are Lower Metazoans and Lesser Deuterostomes? (zoology) |
| Pseudodiadematidae |
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