Neognathostomata
| Neognathostomata Temporal range: | |
|---|---|
| Echinocyamus pusillus | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Infraclass: | Irregularia |
| Superorder: | Neognathostomata Smith, 1981 |
| Orders | |
|
Cassiduloida | |
The Neognathostomata are a superorder of sea urchins.