Dolphins are vertebrates and are aquatic mammals.
The
vertebrate
any mammals such as pandas, dolphins and giraffes.
As dolphins, they are automatically mammals and thus vertebrates. If it has bones, it´s a vertebrate.
Mammal
Starfish are not in a vertebrate group because they do not have vertebrae.
The vertebrate group of rats is the order: Rodentia.
The Pelochelys cantorii vertebrate group is "Reptile."
Amphibians are the vertebrate group that epipedobates tricolor in.
The vertebrate group megadyptes antipodes are in is mammals.
a group of dolphins is called a school of dolphins.
A group of dolphins is called a pod. If that is your question.
Penguins belong to a vertebrate group called aves.