Mandagery Sandstone Grenfell fossil site Galeaspida Bothriolepis Canowindra Geology of New South Wales Antiarchi Vukhuclepis Microbrachius Microbrachiidae Zhanjilepis Yunnanolepididae Phymolepis Minicrania Parayunnanolepis Shimenolepis Wufengshania Mizia Asterolepis (fish) Yunnanolepis Bothriolepididae Pterichthyodes Bothriolepidoidei Canowindra grossi 2015 in fish paleontology List of placoderm genera