Ichthyopterygia
plural noun
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Definition of Ichthyopterygia
(Entry 1 of 2)
in some classifications
: a subclass of fossil aquatic reptiles occurring from the late Carboniferous through the Jurassic and including the small freshwater Mesosauria and the extremely ichthyoid Ichthyosauria
Ichthyopterygia
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Definition of Ichthyopterygia (Entry 2 of 2)
taxonomic synonym of ichthyosauria
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