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Whales are vertebrates, like all mammals. All whales are vertebrates. Fin whales, being mammals, are vertebrates.Vertebrates Vertebrates They are vertebrates, meani â¦ ng they have a spine or a backbone.. An easy way to remember this is that all warmblooded creatures are vertebrates.ll whales are vertebrates. Fin whales, being mammals, are vertebrates. Vertebrates Vertebrates They are vertebrates, meani â¦ ng they have a spine or a backbone..
Invertebrates are a broad collection of animal groups (they do not belong to a single subphylum like the vertebrates) all of which lack a backbone. Some (not all) of the animal groups that are invertebrates include: 1  Sponges (Phylum Porifera). 2  Jellyfish, hydras, sea anemones, corals (Phylum Cnidaria).nvertebrates are a broad collection of animal groups (they do not belong to a single subphylum like the vertebrates) all of which lack a backbone. Some (not all) of the animal groups that are invertebrates include: 1  Sponges (Phylum Porifera). 2  Jellyfish, hydras, sea anemones, corals (Phylum Cnidaria).