Protelytroptera
Protelytron_permianum.jpg
Protelytroptera sangat banyak pada era Perm. Sayap depan serangga ini mengeras dan seringkali konveks, seperti elytra kumbang. Namun, fitur lain morfologi mereka menunjukkan mereka lebih dekat hubungannya dengan orthoptera.

Bacaan lanjut
Carpenter, F. M. and J. Kukalov√°. 1964. The structure of the Protelytroptera, with description of a new genus from Permian strata of Moravia. Psyche 71:183-197.

Chen, S. and J. J. Tan. 1973. A new family of Coleoptera from the lower Cretaceous of Kansu. Acta Entomologica Sinica 16:169-179.

Tan, J. J. 1991. An approach to the origin of Coleoptera. Scientific Treatise on Systematic and Evolutionary Zoology 1:5-8.

Sumber gambar
http://tolweb.org/Protelytroptera/8255

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