Imperium naturæ C. Linnaeus, 1758 - nature
Mundus Plinius - physical world
naturalia - natural bodies
Regnum Animale C. Linnaeus, 1758 - animal kingdom
see Kingdom Animalia Linnaeus, 1758
Class Mammalia Linnaeus, 1758 - mammals
Quadrupedia Linnaeus, 1758
see Class Mammalia Linnaeus, 1758
Order Bruta Linnaeus, 1758
Genus Bradypus Linnaeus, 1758 - three-toed tree sloths
1 Bradypus tridactylus Linnaeus, 1758 - pale-throated sloth
2 Bradypus didactylus Linnaeus, 1758
see Choloepus didactylus (C. Linnaeus, 1758)