Neognathostomata

The Neognathostomata are a superorder of sea urchins.

Neognathostomata
Temporal range:
Echinocyamus pusillus
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Infraclass: Irregularia
Superorder: Neognathostomata
Smith, 1981
Orders

Cassiduloida
Clypeasteroida
Echinolampadoida

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