Question

What are the two major categories of Osteichthyes?

Answer 1

Osteichthyes:

1. The largest class of vertebrates is characterized by a bony endoskeleton.
2. The fishes in this class are also called bony fishes.
3. They are mainly found in freshwaters.

Two main categories of Osteichthyes:

1. Sarcopterygii: ( lobe-finned fishes )
2. Actinopterygii: (Ray-finned fishes)