Class Mammalia Linnaeus, 1758 - mammals Order Monotremata Bonaparte, 1837 - monotremes Family Tachyglossidae Gill, 1872 - spiny anteaters Genus Tachyglossus Illiger, 1811 - short-nosed echidna Tachyglossus aculeatus (Shaw, 1792) - short-beaked echidna 1 Tachyglossus aculeatus setosus (Geoffroy Saint-Hilaire, 1803)