They belong to Phylum Chordata but are Invertebrate Chordates.
Hagfish are very primitive. They have have only a partial skull and no vertebral column. They have no jaw or scales.
jawless fishes
Lampreys differ from hagfishes by having a notochord that is surrounded by a tube of cartilage.
Tigers belong to Class Mammalia.
Opossums belong to the class mammalia.
by pooing
They belong to the class Mammalia ( mammals).
the priests belong to the upper class (1st class)
the priests belong to the upper class (1st class)
Sea fans belong to the class Anthozoa
A piranha belong to the Phylum Chordata, and the class Osteichthyes.
Echidnas belong to the Class Mammalia and Order Monotremata.
They belong to any class that are under the phylum platyhelminthes.