New species of Protorthoptera and Protodonata (Insecta) from the Upper Carboniferous of Britain, with a comment on the origin of wings
Whalley, Paul Ernest Sutton
Article
1979
Bulletin of the British Museum (Natural History) Geology
32
85--90
BioStor
English
London, BM(NH),
BioStor: https://biostor.org/reference/118650
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