A miniature lizard which roamed what is now Madagascar around 240million years ago has been discovered by researchers who say it was just four inches (10cm) tall. This minuscule creature is believed to be an ancestor of much larger dinosaurs and pterosaurs. Named Kongonaphon kely - or 'tiny bug slayer'- it was smaller than a sparrow and had teeth for chomping on insects, sharp claws on its feet and bristles ...