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What animals does not have backbone?

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Anonymous

14y ago
Updated: 8/17/2019

Most animals on Earth do not have backbones! Animals without backbones are known as invertebrates. Some invertebrates are worms, jellyfish, and gastropods. The invertebrate group called Arthropods, which included insects, is the one which has more animals than any other group on the planet. Animals that do have backbones are called vertebrates.
95% of all animal species do not have backbones.

Arthropoda (insects, arachnids, crustaceans)

nematoda (round worms)

mollusca (squid, snails, bivalves)

annelida (segmented worms [earthworms, leeches, polychaetes])

nemertinea (ribbon worms)

platyhelminthes (flat worms)

rotifera

acoelomorpha

ctenophora (comb jellies)

cnidaria (jellyfishes, corals, sea anemones, hydras)

porifera (sponges)

echinodermata (starfish, sea urchins)

brachiopoda

bryzoa

chaetognatha

cephalochordata

echiura

gnathostomulids

gastrotricha

hemichordata

kamptozoa

kinorhyncha

loricifera

phoronida

placozoa

pripulida

pycnogonida

sipunculida

tunicata

xenoturbella
An animal without a backbone is an invertabre. An animal with a backbone is called a vertebrae.
Animals without a backbone are called 'Invertebrates'. Some examples are most insects, lizards , jelly fish and such animals.

The name of an animal without a spine (backbone) is an invertebrate. Some examples are worms, starfish, arachnids, and crustaceans.


Animals without backbones are called invertebrates. They include animals such as jellyfish, corals, slugs, snails, mussels, octopuses, crabs, shrimps, Spiders, and butterflies, among many others.
Animals that do not have back bones are called Invertebrates. A worm is an example of a invertebrate
invertebrates
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Wiki User

7y ago

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