Dichotomous Key/Chordata

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Dichotomous Key: Chordata Kingdom: Animalia Phylum: Chordata Information related to Chordata Wikipedia Wikispecies Wikicommons

Parent key: Animalia Phyla Acanthocephala - Acoelomorpha - Annelida - Arthropoda - Brachiopoda - Chaetognatha - Chordata - Cnidaria - Ctenophora - Cycliophora - Echinodermata - Ectoprocta - Entoprocta - Gastrotricha - Gnathostomulida - Hemichordata - Kinorhyncha - Lophotrochozoa - Loricifera - Micrognathozoa - Mollusca - Myxozoa - Nematoda - Nematomorpha - Nemertea - Onychophora - Orthonectida - Phoronida - Placozoa - Platyhelminthes - Porifera - Priapulida - Rhombozoa - Rotifera - Sipuncula - Tardigrada Key: Chordata Subphyla Cephalochordata - Myxini - Urochordata - Vertebrata

[edit] 1

• Vertebrae
  • Present - #4
  • Not present - #2

[edit] 2

• Feeding method
  • Filter - Urochordata
  • Jawless, sucking mouth - Myxini

[edit] 3

• No options yet

[edit] 4

• Jaw
  • Present - #5
  • Not present - Petromyzontidae

[edit] 5

• Skeletal material
  • Cartilage - Chondrichthyes
  • Bone - #6

[edit] 6

• Habitat
  • Aquatic - #10
  • Terrestrial or amphibious - #7

[edit] 7

• Metamorphosis
  • Present - Amphibia
  • Not present - #8

[edit] 8

• Scales
  • Present - Reptilia
  • Not present - #9

[edit] 9

• Feathered wings
  • Present - Aves
  • Not present - Mammalia

[edit] 10

• Fins
  • Lobed - #11: Sarcopterygii
  • Rayed - Actinopterygii

[edit] 11: Sarcopterygii

• Ability to breathe air
  • Present - Dipnoi
  • Not present - Actinistia