A 324-million-year-old fossil from Texas preserves an early insect with 24 legs and paddle-like limbs on its abdomen, suggesting insects did not leave water for land in one sudden evolutionary jump
Palaeoecological reconstruction of the Carboniferous stem-insect Chosha praecursor. (Image by NIGPAS) An international research team has identified a remarkable insect fossil from western Texas that could represent a crucial missing link in the story of…