Fossil history and systematics of insects (esp. dragonflies and damselflies, but also other
palaeopterous pterygotes); Paleozoic fossil insects, and fossil insects from Mesozoic limestones and amber (currently with focus on the mid-Cretaceous entomofauna of Burmese amber);
paleontological evidence against Neodarwinian evolution and for Intelligent Design theory.
Hirsch Index / h-index = 19 (Google Scholar), 15 (Web of Science), 12 (Scopus)