Rank Infraclass | ||
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Similar Echinacea, Euechinoidea, Temnopleuridea, Arbacioida, Echinozoa |
The infraclassis Carinacea includes most living species of regular sea urchin, and fossil forms going back as far as the Triassic.
Taxonomy
List of orders according to World Register of Marine Species :
References
Carinacea Wikipedia(Text) CC BY-SA