Petrunkevitch, A. (1957). Eohelea stridulans, n. gen., n. sp., a striking example of paramorphism in an amber biting-midge. Journal of Paleontology. 31(1): 208-214.
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Petrunkevitch, A.
1957
Eohelea stridulans, n. gen., n. sp., a striking example of paramorphism in an amber biting-midge.