| Themes > Science > Paleontology / Paleozoology > Paleozoology > Important Fossil Animal Groups |
Kingdom Animalia Phylum Porifera (sponges) Phylum Cnidaria (corals, anemones, jellyfish, hydra) Class Anthozoa (corals and anemones) Subclass Rugosa (Paleozoic solitary horn corals) Subclass Tabulata (Paleozoic colonial corals) Subclass Zoantharia (modern corals) Phylum Bryozoa (tiny colonial coral-like animals, but anatomically more complex than coral) Phylum Brachiopoda (dominant bivalve of the Paleozoic) Phylum Arthropoda Subphylum Trilobita (alternatively, Class Trilobita) Subphylum Crustacea (shrimp, crabs, lobsters) Subphylum Chelicerata (horseshoe crabs, eurypterids, arachnids [spiders]) Subphylum Labiata (insects, centipedes, milipedes) Phylum Mollusca Class Gastropoda (snails) Class Pelecypoda (mollusk bivalves) Class Cephalopoda (nautiloids, ammonoids, squid, octopus, cuttlefish) Phylum Echinodermata stalked echinoderms (classes cystoidea, blastoidea, and crinoidea) Class Asteroidea (starfish) Class Echinoidea (sea biscuits, sand dollars, sea urchins) Phylum Chordata Subphylum Vertebrata Fishes cartilaginous fish Class Agnatha (jawless fishes, living lampreys and hagfish) Class Acanthodii (fast-swimming primitive fish) extinct Class Placodermi (primitive armor-plated fish) extinct Class Chondrichthyes (sharks and rays) bony fish Class Osteichthyes ray fins lob-fins Class Amphibia(frogs and salamanders) Class Reptilia Subclass Anapsida (turtles, and extinct mesosaurs and cotylosaurs) Subclass Euryapsida (extinct mostly marine, ichthyosaurs, plesiosaurs) Subclass Diapsida (dinosaurs, crocodilians, lizards, snakes) Subclass Synapsida (extinct mammal-like reptiles; sailback types, therapsids) Class Mammalia marsupials (pouched mammals; kangaroos, etc.) placental mammals (shrews, bats, primates, rodents, whales, carnivores, antelopes, etc.) Class Aves (birds) |
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