A 500-million-year-old find reveals previously unknown features of the sea creatures responsible for some of palaeontology’s most recognisable fossils.
Looking a bit like enlarged woodlice, ancient trilobites crawled along the seabed and had an exoskeleton made of calcite — nature’s version of a suit of armour.
Eyes surprise: fossil eyes from a 54 million year old cranefly.
Lindgren et al./Nature