animal, animate being, beast, creature, fauna, brute - a living organism characterized by voluntary movement

animal order - the order of animals

Chordata, phylum Chordata - comprises true vertebrates and animals having a notochord

arthropod family - any of the arthropods

arthropod genus - a genus of arthropods

Arthropoda, phylum Arthropoda - jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes

Parazoa, subkingdom Parazoa - multicellular organisms having less-specialized cells than in the Metazoa; comprises the single phylum Porifera

coelenterate family - a family of coelenterates

coelenterate genus - a genus of coelenterates

Metazoa, subkingdom Metazoa - multicellular animals having cells differentiated into tissues and organs and usually a digestive cavity and nervous system

ctenophore family - a family of ctenophores

ctenophore genus - a genus of ctenophores

Ctenophora, phylum Ctenophora - comb jellies; sea acorns; a small phylum formerly considered a class of Coelenterata

worm family - a family of worms

worm genus - a genus of worms

Acanthocephala, phylum Acanthocephala - phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms

Chaetognatha, phylum Chaetognatha - arrowworms: a group of small active transparent marine worms

phylum Platyhelminthes, Platyhelminthes - flatworms

Nemertea, Nemertina, phylum Nemertea, phylum Nemertina - proboscis worms

phylum Pogonophora, Pogonophora - beard worms

phylum Rotifera, Rotifera - a phylum including: rotifers

Aschelminthes, Nematoda, phylum Aschelminthes, phylum Nematoda - unsegmented worms: roundworms; threadworms; eelworms

Annelida, phylum Annelida - segmented worms: earthworms; lugworms; leeches

mollusk family - a family of mollusks

mollusk genus - a genus of mollusks

Mollusca, phylum Mollusca - gastropods; bivalves; cephalopods; chitons

Phoronida, Phoronidea, phylum Phoronida - small phylum of wormlike marine animals

Bryozoa, phylum Bryozoa, polyzoa - marine or freshwater animals that form colonies of zooids

Cycliophora, phylum Cycliophora - tiny marine organisms each the size of a period found in great numbers on lobsters' lips; identified tentatively in 1995 as a new phylum or as possible link between Entoprocta and Ectoprocta

Brachiopoda, phylum Brachiopoda - marine invertebrates that resemble mollusks

phylum Sipuncula, Sipuncula - peanut worms

echinoderm family - a family of echinoderms

echinoderm genus - a genus of echinoderms

Echinodermata, phylum Echinodermata - radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers

kingdom - one of seven biological categories: Monera or Protoctista or Plantae or Fungi or Animalia