Holasteroida
Order of sea urchins / From Wikipedia, the free encyclopedia
Holasteroida is an order of irregular sea urchins.
Quick Facts Scientific classification ...
Holasteroida | |
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Pourtalesia wandeli | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Echinodermata |
Class: | Echinoidea |
Subclass: | Euechinoidea |
Infraclass: | Irregularia |
Superorder: | Atelostomata |
Order: | Holasteroida Durham & Melville, 1957 |
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