Animals that lack a vertebral column are known as
The species that lacks a vertebral column or âspine,â invertebrates comprise over 95% of all known animal species. Invertebrates include spiders, bees, worms, jellyfish, lobster, and snails.he species that lacks a vertebral column or âspine,â invertebrates comprise over 95% of all known animal species. Invertebrates include spiders, bees, worms, jellyfish, lobster, and snails.