1.Previous
3.Next

in that work, to which he continued to adhere, is that "the animal classes are virtually nothing else than a representation of the sense-organs, and that they must be arranged in accordance with them." Consequently, Oken contended that there are only five animal classes based on the most developed organs in them:
#Dermatozoa, or invertebrates
#Glossozoa, or fish, those animals in which a true tongue makes, for the first time, its appearance
#Rhinozoa,

1.Previous
3.Next