Ictodosauria


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ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Ictodosauria - extinct reptiles of the later Triassic period
animal order - the order of animals
subclass Synapsida, Synapsida - extinct reptiles of the Permian to Jurassic considered ancestral to mammals
ictodosaur - intermediate in form between the therapsids and most primitive true mammals