Pterygota

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Pterygota

a subclass of the class Insecta into which are placed most insects, including all winged forms and those which have secondarily lost the power of flight, such as lice or fleas. Compare AMETABOLA.
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A new interpretation of dragonfly wing venation based upon Early Upper Carboniferous fossils from Argentina (Insecta: Odonatoidea) and basic character states in pterygote wings.
ferrugineus largely follow the generalized model of pterygote spermatozoa proposed by Baccetti (1972).