from The Century Dictionary.
- A division of fishes, commonly regarded as a subclass, containing extinct species whose remains, are found from the Silurian to the Lower Carboniferous. Jaws, a segmented backbone, and limb-arches are wanting, and the head and front part of the body are protected by bony plates. The term is in common use, though antedated by Aspidoganoidei.
Sorry, no etymologies found.
Sorry, no example sentences found.