380 millions years fossil stone rock scotland uk coccosteus cuspidatus armoured fish reptile devonian skeleton devonian geology

years fossil stone rock geology millions china prismatoolithus gebiensis reptile dinosaur egg cretaceous eggs antique retro dino hatch macroolithus embryo 125 manchurochelys tudtles tortoises skeleton liaoning jeholosaurus psittacosaurus mummy gastroliths 160 anchiornis huxleyi jurassic ancient confuciusornis sanctus primitive bird guizhou keichousaurus hui vertebrate aquatic triassic 419 placodermi armoured fish devonian 380 coccosteus cuspidatus scotland corpse bone body