Examples of invertebrates include insects (e.g., ants, bees, beetles, butterflies); crustaceans (e.g., crabs, lobsters, barnacles); arachnids (e.g., spiders, scorpions); mollusks (e.g., clams, snails, octopuses, squid); echinoderms (e.g., sea urchins, sea stars) and cnidarians (corals, jellyfish).

On this page you’ll find information on these and other invertebrates, with pictures and interesting facts on each…

Scroll down to browse all of the invertebrates, or use the index below to go to a specific animal…

Invertebrates Examples

Arthropods

Insects

• Ant
• Bee
• Beetle
• Butterfly

Crustaceans

• Crab
• Barnacle

Arachnids

• Spider
• Scorpion

Myriapods

• Centipede

Mollusks

• Clam
• Slug
• Snail
• Octopus
• Squid

Echinoderms

• Sea Urchin
• Sea Star
• Sea Cucumber

Cnidaria

• Coral
• Jellyfish
• Portuguese Man o’ War

Annelids

• Earthworm
• Leech

Examples Of Other Invertebrates

• Sponge
• Nematode
• Tardigrade
• Rotifer
• Sea Squirt
• Lancelet

What Is An Invertebrate?

An invertebrate is an animal without a vertebral column, or backbone. At least 95% …

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