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Definition of Order ichthyosauria
1. Noun. Extinct marine reptiles: ichthyosaurs.
Exact synonyms: Ichthyosauria
Generic synonyms: Animal Order
Group relationships: Archosauria, Subclass Archosauria
Member holonyms: Ichthyosaur, Family Ichthyosauridae, Ichthyosauridae
Generic synonyms: Animal Order
Group relationships: Archosauria, Subclass Archosauria
Member holonyms: Ichthyosaur, Family Ichthyosauridae, Ichthyosauridae