Invertebrates:
* Sponges (Porifera): Simple, multicellular animals without true tissues or organs.
* Cnidarians (Cnidaria): Jellyfish, corals, anemones, and hydras with stinging cells.
* Flatworms (Platyhelminthes): Flat, unsegmented worms like tapeworms and planarians.
* Roundworms (Nematoda): Round, unsegmented worms like hookworms and pinworms.
* Annelids (Annelida): Segmented worms like earthworms and leeches.
* Mollusks (Mollusca): Snails, slugs, clams, oysters, octopuses, and squid.
* Arthropods (Arthropoda): The largest animal phylum, including insects, spiders, crabs, lobsters, and centipedes.
* Echinoderms (Echinodermata): Starfish, sea urchins, sea cucumbers, and brittle stars.
Vertebrates:
* Fish (Pisces): A diverse group including sharks, rays, bony fish, and lungfish.
* Amphibians (Amphibia): Frogs, toads, salamanders, and newts.
* Reptiles (Reptilia): Lizards, snakes, turtles, and crocodiles.
* Birds (Aves): Feathered, winged animals with beaks.
* Mammals (Mammalia): Animals that have hair, mammary glands, and give birth to live young.
This is just a small glimpse into the incredible diversity of the Animalia phylum. There are thousands of different species, each with unique adaptations and characteristics.