| Porifera Fossil range: Ediacaran-Recent | |
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| Scientific classification
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Eukaryota | |
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Included groups: |
Calcarea
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Sponges are animals of the phylum Porifera. Fossils of all of these types have been found in rocks dated from . In addition Archaeocyathids, whose fossils are common in rocks from but not after , are now regarded as a type of sponge.
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