Odonata (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Odonata" in Simple English language version.

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Grimaldi, David; Engel, Michael S. (2005). Evolution of the Insects. Cambridge University Press. pp. 175–187. ISBN 9780521821490.
Hoell H.V., Doyen J.T. & Purcell A.H. (1998). Introduction to insect biology and diversity. 2nd ed, Oxford University Press. pp. 355–358. ISBN 0-19-510033-6.

books.google.com

The Biology of Dragonflies. CUP Archive. 2018-10-13. p. 324. GGKEY:0Z7A1R071DD. No Dragonfly at present existing can compare with the immense Meganeura monyi of the Upper Carboniferous, whose expanse of wing was somewhere about twenty-seven inches.