All mammals have backbones - this is part of the definition of a mammal. Therefore, a complete list of all named mammals (well over 4000 different species) would be a complete list of mammals with backbones.
An animal with a backbone is called a vertibrate.
An Animal with a Backbone is called a vertebrate.
Vertebrate
Lewis Kenna
Butterfly, worm, jellyfish, spider, sponge, starfish, and to much more to type.
invertebrate
spine
Animals with backbones are called vertebrates.
vertabrae
No. Animals with backbones are called vertebrates.
Any animal with a spine, also called backbone.
A animal without a backbone is called an invertibrate. Mammals, Fish, Reptiles, Amphibians, and Birds are not invertibrates as they have backbones. Arthropds, including Insects and Arachnids, are invertibrates. Hope This Helps!!