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Anonymous
The animals which don't have vertebral column are called invertebrates.
They are
1) poriferans
2) Coelenterates
3) Platyhelminthes
4) Nematyhelminthes
5) Annelids
6) Arthropods
7) Molluscs
9) Echinodermates
Wiki User
Aye-ayes are considered "vertibrite," as they possess a typical vertebrate structure, including a backbone. They belong to the primate order and exhibit characteristics of mammals, such as warm-bloodedness and live birth. In contrast, "invertibrate" refers to animals without a backbone.