The earliest fossils of thrips date back to Permian (Permothrips longipennis Martynov, 1935). By the Early Cretaceous true thrips became much more abundant (Grimaldi et al. 2004). The extant family Merothripidae most resemble these ancestral Thysanoptera, and are probably basal to the order (Mound 1997).
- Grimaldi,D., A. Shmakov, N. Fraser. 2004. Mesozoic Thrips and Early Evolution of the Order Thysanoptera (Insecta). Journal of Paleontology 78(5):941-952.
- Mound, L. A. 1997. Biological diversity., pp. 197-215. In T. Lewis [ed.], Thrips As Crop Pests. CAB International, Wallingford, UK.
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