-
Chordata
lancelets, tunicates, vertebrates
-
Echinodermata
sea stars, sea urchins
-
Arthropoda
crustaceans, insects, spiders
-
-
-
Mollusca
clams, snails, squids
-
Lophophorates
ectoprocta, brachiopoda
-
-
Platyhelminthes
flatworms
-
Cnidaria
hydras, jellies, sea anemones, corals
-
Calcerea, Silicea
sponges
-
Lack true tissues; have choanocytes(collar cells - flagellated cells that ingest bacteria and tiny food particles
Calcerea, Silicea
-
Unique stinging structures (cnidae), each housed in a specialized cell (cnidocyte); diploblastic; radially symmetrical; gastrovascular cavity (digestive compartment with a single opening)
Cnidaria
-
Dorsoventrally flattened, unsegmented acoelomates; gastrovascular cavity or no digestive tract
Plstyhelminthes
-
Pseudocoelomates with alimentary canal (digestive tube with mouth and anus); jaws (trophi) in pharynx; head with ciliated crown
Rotifera
-
Coelomates with lophophores (feeding structures bearing ciliated tentacles)
Lophophorates
-
Coelomates with three main body parts (muscular foot, visceral mass, mantle) ; coelom reduced; most have hard shell made of calcium carbonate
Mollusca
-
Coelomates with segmented body wall and internal organs (except digestive tract, which is unsegmented)
Annelida
-
Cylindrical, unsegmented pseudocoelomates with tapered ends; no circulatory system; undergoes ecdysis
Nematoda
-
Coelomates with segmented body, jointed sppendages, and exoskeleton made of protein and chitin
Arthropoda
-
Coelomates with bilaterally symmetrical larvae and five-part body organization as adults; uniquie water vascular systen; endoskeleton
Echinodermata
-
Coelomates with notochord; dorsal, hollow nerve cord; pharyngeal slits; port-anal tail
Chordata
-
Deuterostomia
Chordata, Echinodermata
-
Ecdysozoa
Arthropoda, Nemantoda
-
Lophotrochozoa
Annelida, Mollusca, Lophophorates, Rotifera, Platyheliminthes
-
Bilateria
Chordata, Echinodermata, Arthropoda, Nematoda, Annelida, Mollusca, Lophophorates, Rotifera, Platyhelminthes
-
Eumetazoa
Chordata, Echinodermata, Arthropoda, Nematoda, Annelida, Mollusca, Lophophorates, Rotifera, Platyhelminthes, Cnidaria
-
Metazoa
Chordata, Echinodermata, Arthropoda, Nematoda, Annelida, Mollusca, Lophophorates, Rotifera, Platyhelminthes, Cnidaria, Calcarea/Silicea
|
|