Definition of Caloneurodea
: a small order of neopterous insects with two similar pairs of wings and with legs adapted for running that appeared in the Upper Pennsylvanian and became extinct after the Permian
caloneurodean\-dēən\ noun, plural
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Origin and Etymology of caloneurodea
New Latin, from calo- + neur- + -odea (alteration of -oidea)
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