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Ophiuroidea, Brittle star(s)

class Ophiuroidea Gray, 1840

• Modern species
• Habitat: Marine

• Classification
• kingdom Animalia, , phylum Echinodermata, subphylum Asterozoa

• Distribution
• Cretaceous: Ehime
• Paleogene-Neogene: Nagano
• Oligocene: Nagano
• Miocene: Ibaraki, Tokyo, Aichi, Mie
• Pliocene: Akita
• Investigation in progress: Yamagata

• Subtaxa
• Asteria, genus
• Ophiacantha, genus
• Ophiothrix, genus