Euechinoidea
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| Euechinoidea Temporal range: Late Triassic – Recent |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Subclass: | Euechinoidea Bronn, 1860 |
| Superorders | |
The subclass Euechinoidea includes almost all living species of sea urchin, and fossil forms going back as far as the Triassic.
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