Chordata
Jawless
1st it was the king and his family then upper class then middle class then the lower class also known as unskilled workers
1st it was the king and his family then upper class then middle class then the lower class also known as unskilled workers
Mr. Benjamin Guggenheim was a first class passenger with his help but one of his people had to go to second class.
Cartilaginous Fishes
The class name for cartilaginous fishes is Chondrichthyes. These fishes have skeletons made of cartilage instead of bone, and include species such as sharks, rays, and skates.
The serfs belonged to the poor class.
jawless fishes
canine
Class Agnatha (jawless fish)Class Chondrichthyes (cartilaginous fishes)Class Osteichthyes (bony fishes)Class Amphibia (amphibians)Class Reptilia (reptiles)Class Aves (birds)Class Mammalia (mammals)
Rays are relayed to skates, chimeras, and sharks in the class Chondrichthyes, Cartilaginous fishes.
Class Agnatha