Checklist for ACANTHOCEPHALA Koelreuther, 1771
Kingdom ANIMALIA
Animals
Phylum PHORONIDA Hatschek, 1888
Horseshoe Worms, Tube Worms
Phylum PORIFERA Grant, 1836
Sponges
Phylum CNIDARIA
Corals, Jellyfish, Sea Anemonies
Phylum CTENOPHORA Eschscholtz, 1829
Comb Jellies
Phylum MESOZOA
Mesozoans
Phylum PLATYHELMINTHES
Flatworms
Phylum NEMERTEA
Ribbon Worms
Phylum GASTROTRICHA
Gastrotrichs
Phylum ROTIFERA
Phylum CHAETOGNATHA
Phylum ACANTHOCEPHALA Koelreuther, 1771
Thorny-headed Worms
Phylum GNATHOSTOMULIDA
Gnathostomulids
Phylum KINORHYNCHA
Kinorhyncha
Phylum LORICIFERA Kristensen, 1983
Loriciferans
Phylum NEMATODA
Phylum NEMATOMORPHA
Gordian Worms, Horse-hair Worms
Phylum BRYOZOA Ehrenberg, 1831
Phylum BRACHIOPODA
Phylum MOLLUSCA
Molluscs
Phylum PRIAPULIDA
Priapulids
Phylum SIPUNCULA
Phylum ECHIURA
Phylum KAMPTOZOA
Phylum ANNELIDA
Segmented Worms
Phylum TARDIGRADA
Water Bears
Phylum ONYCHOPHORA
Velvet Worms
Phylum ARTHROPODA
Arthropods
Phylum ECHINODERMATA
Brittle Stars, Echinoderms, Feather Stars, Sand Dollars, Sea Cucumbers, Sea Lilies, Sea Urchins, Starfish, Trepang
Phylum HEMICHORDATA
Hemichordates
Phylum CHORDATA
Chordates
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