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