Order Phrynophiurida
(euryaline brittle stars and euryhaline brittle stars)

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Scientific names for Aves taxonomy (family and below) are from The Howard and Moore Complete Checklist of the Birds of the World, Princeton University Press, copyright 2003. Used by permission.

• Parent taxa
  
  
  
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  Subclass Ophiuroidea (basket stars, brittlestars, and snake stars)
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  Order Phrynophiurida (euryaline brittle stars and euryhaline brittle stars)
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  Suborder Euryalina
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  Family Asteronychidae
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  Family Asteroschematidae
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  Family Euryalidae
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  Family Gorgonocephalidae
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  Suborder Ophiomyxina
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  Family Ophiomyxidae