In his original scheme, the animals were one of three kingdoms, divided into the classes of Vermes, Insecta, Pisces, Amphibia, Aves, and Mammalia.
Dalam skema aslinya, hewan adalah salah satu dari tiga kerajaan, dibagi ke dalam kelas Vermes, Insecta, Pisces, Amphibia, Aves, dan Mammalia.