Examples of diploblast in the following topics:
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- Radially-symmetrical animals are diploblasts, developing two germ layers: an inner layer (endoderm) and an outer layer (ectoderm).
- Diploblasts have a non-living layer between the endoderm and ectoderm.
- During embryogenesis, diploblasts develop two embryonic germ layers: an ectoderm and an endoderm.
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- Cnidarians are diploblastic, have organized tissue, undergo extracellular digestion, and use cnidocytes for protection and to capture prey.
- Phylum Cnidaria includes animals that show radial or biradial symmetry and are diploblastic: they develop from two embryonic layers.
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- The lophotrochozoans are triploblastic, possessing an embryonic mesoderm sandwiched between the ectoderm and endoderm found in the diploblastic cnidarians.