A new tealliocaridid eumalacostracan is described from the Late Carboniferous Tupo Formation (Ningxia, China). Laevitealliocaris xiaheyanensis gen. et sp. nov. is represented by a single specimen, cha
Despite a global fossil record, Metatheria are now largely restricted to Australasia and South America. Most metatherian palaeodiversity studies to date are limited to particular subclades, time inter
