Discover strange facts about prehistoric insects: Meganeura's 70 cm wingspan, Pulmonoscorpius' giant scorpions, and the oxygen-fueled bugs of the...

Expert-written guide to prehistoric insects covering Meganeura, Arthropleura, giant cockroaches, and griffinflies. Explore the oxygen-gigantism hypothesis, Carboniferous period insect giants, amber preservation, and what ancient insects reveal about modern biodiversity loss.

Everything about Meganeura: the 71-centimetre Carboniferous griffinfly that patrolled coal-swamp skies 300 million years ago, its oxygen-fueled gigantism, anatomy, prey, and extinction.

Everything about Meganeuropsis permiana: the 75-centimetre Early Permian griffinfly from Kansas, the largest insect ever known, its oxygen-fueled gigantism, anatomy, prey, and extinction before the dinosaurs.

Everything about Arthropleura: the 2.6-metre Carboniferous millipede that was the largest land invertebrate ever, its anatomy, diet debate, oxygen-driven gigantism, and its extinction in the early Permian.

Everything about Pulmonoscorpius kirktonensis: the 70-centimetre Carboniferous scorpion from East Kirkton, Scotland, its book-lung breathing, oxygen-driven gigantism, terrestrial lifestyle, and extinction in the early Permian.