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 Vermes Linnaeus, 1758 - worms
see Phylum Vermes (C. Linnaeus, 1758)
Order Mollusca Linnaeus, 1758
see Phylum Mollusca Linnaeus, 1758
Genus Echinus Linnaeus, 1758
Irregulares: apertura ani subtus uti os
Echinus orbiculus Linnaeus, 1758
Foraminibus quinque pervius, indivisus