Ophiuroidea
English: Ophiuroids; brittle stars and basket stars.
Clades: Ophiuroidea.
Genera: 1900 species.
Zooology
Ophiuroidea are somewhat similar to sea stars in that they have multiple arms attached to a central disk.
They do not have breathing and excretive systems and they can regenerate lost arms.
Clades
Euryalida: Basket stars.
Ophiurida: brittle stars.