Order
Hadrosida Blake, 2018
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Asterozoa |
| Class | Asteroidea |
| Subclass | Ambuloasteroidea |
| Order | Euaxosida |
| Hadrosida | |
| Platyasterida |
See also
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Asterozoa |
| Class | Asteroidea |
| Subclass | Ambuloasteroidea |
| Order | Euaxosida |
| Hadrosida | |
| Platyasterida |