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CHORDATA: COUSINS OF VERTEBRATES

The chordates are the closest living relatives to vertebrates, encompassing a diverse array of creatures, such as lancelets, tunicates, salps and sea-squirts.

	Metaspriggiidae †Metaspriggina
	Cephalochordata \| Pikaiidae †Pikaia
	Cephalochordata \| Leptocardii †Cathaymyrus
	Cephalochordata \| Leptocardii \| Acrania †Palaeobranchiostoma
	Cephalochordata \| Leptocardii \| Acrania \| Amphioxiformes \| Asymmetronidae Asymmetron
	Cephalochordata \| Leptocardii \| Acrania \| Amphioxiformes \| Branchiostomatidae Branchiostoma
	Cephalochordata \| Leptocardii \| Acrania \| Amphioxiformes \| Branchiostomatidae Epigonichthys
	Cephalochordata \| Leptocardii \| Acrania \| Amphioxiformes \| Branchiostomatidae Epigonopterus
	Olfactores †Zhongxiniscus
	Olfactores †Yunnanozoon
	Olfactores \| Tunicata †Yarnemia
	Olfactores \| Tunicata †Shankouclava
	Olfactores \| Tunicata \| Larvacea \| Kowalevskiidae Kowalevskia
	Olfactores \| Tunicata \| Larvacea \| Fritillariidae Appendicularia
	Olfactores \| Tunicata \| Larvacea \| Fritillariidae Tectillaria
	Olfactores \| Tunicata \| Larvacea \| Fritillariidae Fritillaria
	Olfactores \| Tunicata \| Larvacea \| Oikopleuridae Bathochordaeus
	Olfactores \| Tunicata \| Larvacea \| Oikopleuridae Mesochordaeus
	Olfactores \| Tunicata \| Larvacea \| Oikopleuridae Althoffia
	Olfactores \| Tunicata \| Larvacea \| Oikopleuridae Mesoikopleura
	Olfactores \| Tunicata \| Larvacea \| Oikopleuridae Pelagopleura
	Olfactores \| Tunicata \| Larvacea \| Oikopleuridae Sinisteroffia
	Olfactores \| Tunicata \| Larvacea \| Oikopleuridae Chunopleura
	Olfactores \| Tunicata \| Larvacea \| Oikopleuridae Folia
	Olfactores \| Tunicata \| Larvacea \| Oikopleuridae Megalocercus
	Olfactores \| Tunicata \| Larvacea \| Oikopleuridae Oikopleura
	Olfactores \| Tunicata \| Larvacea \| Oikopleuridae Stegosoma
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Anomopera
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Asajirus
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Bostrichobranchus
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Eugyra
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Fungulus
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Gamaster
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Minipera
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Molgula
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Molguloides
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Namiella
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Oligotrema
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Paramolgula
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Pareugyrioides
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Protomolgula
	Olfactores \| Tunicata \| Stolidobranchia \| Molgulidae Rhizomolgula
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Alloeocarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Arnbackia
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Asterocarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Bathyoncus
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Bathystyeloides
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Berillia
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Botryllocarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Botrylloides
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Botryllus
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Chorizocarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Chorizocormus
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Cnemidocarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Dendrodoa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Dextrocarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Diandrocarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Dicarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Distomus
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Eusynstyela
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Gynandrocarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Kukenthalia
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Metandrocarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Monandrocarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Oculinaria
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Oligocarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Pelonaia
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Podostyela
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Polyandrocarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Polycarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Polyzoa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Protostyela
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Psammostyela
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Seriocarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Stolonica
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Styela
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Symplegma
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Syncarpa
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Theodorella
	Olfactores \| Tunicata \| Stolidobranchia \| Styelidae Tibitin
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Bathypera
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Bathypyura
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Boltenia
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Bolteniopsis
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Claudenus
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Cratostigma
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Ctenyura
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Culeolus
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Halocynthia
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Hartmeyeria
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Herdmania
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Heterostigma
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Microcosmus
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Pyura
	Olfactores \| Tunicata \| Stolidobranchia \| Pyuridae Pyurella
	Olfactores \| Tunicata \| Phlebobranchia \| Permosomidae †Permosoma
	Olfactores \| Tunicata \| Phlebobranchia \| Agneziidae Adagnesia
	Olfactores \| Tunicata \| Phlebobranchia \| Agneziidae Agnezia
	Olfactores \| Tunicata \| Phlebobranchia \| Agneziidae Caenagnesia
	Olfactores \| Tunicata \| Phlebobranchia \| Agneziidae Proagnesia
	Olfactores \| Tunicata \| Phlebobranchia \| Agneziidae Pterygascidia
	Olfactores \| Tunicata \| Phlebobranchia \| Diazonidae Diazona
	Olfactores \| Tunicata \| Phlebobranchia \| Diazonidae Pseudodiazona
	Olfactores \| Tunicata \| Phlebobranchia \| Diazonidae Pseudorhopalaea
	Olfactores \| Tunicata \| Phlebobranchia \| Diazonidae Rhopalaea
	Olfactores \| Tunicata \| Phlebobranchia \| Diazonidae Syndiazona
	Olfactores \| Tunicata \| Phlebobranchia \| Diazonidae Tylobranchion
	Olfactores \| Tunicata \| Phlebobranchia \| Dimeatidae Dimeatus
	Olfactores \| Tunicata \| Phlebobranchia \| Hypobythiidae Hypobythius
	Olfactores \| Tunicata \| Phlebobranchia \| Octacnemidae Benthascidia
	Olfactores \| Tunicata \| Phlebobranchia \| Octacnemidae Cibacapsa
	Olfactores \| Tunicata \| Phlebobranchia \| Octacnemidae Cryptia
	Olfactores \| Tunicata \| Phlebobranchia \| Octacnemidae Dicopia
	Olfactores \| Tunicata \| Phlebobranchia \| Octacnemidae Kaikoja
	Olfactores \| Tunicata \| Phlebobranchia \| Octacnemidae Megalodicopia
	Olfactores \| Tunicata \| Phlebobranchia \| Octacnemidae Myopegma
	Olfactores \| Tunicata \| Phlebobranchia \| Octacnemidae Octacnemus
	Olfactores \| Tunicata \| Phlebobranchia \| Octacnemidae Polyoctacnemus
	Olfactores \| Tunicata \| Phlebobranchia \| Octacnemidae Situla
	Olfactores \| Tunicata \| Phlebobranchia \| Plurellidae Microgastra
	Olfactores \| Tunicata \| Phlebobranchia \| Plurellidae Plurella
	Olfactores \| Tunicata \| Phlebobranchia \| Cionidae Araneum
	Olfactores \| Tunicata \| Phlebobranchia \| Cionidae Ciona
	Olfactores \| Tunicata \| Phlebobranchia \| Cionidae Tantillulum
	Olfactores \| Tunicata \| Phlebobranchia \| Corellidae Abyssascidia
	Olfactores \| Tunicata \| Phlebobranchia \| Corellidae Chelyosoma
	Olfactores \| Tunicata \| Phlebobranchia \| Corellidae Clatripes
	Olfactores \| Tunicata \| Phlebobranchia \| Corellidae Corella
	Olfactores \| Tunicata \| Phlebobranchia \| Corellidae Corelloides
	Olfactores \| Tunicata \| Phlebobranchia \| Corellidae Corellopsis
	Olfactores \| Tunicata \| Phlebobranchia \| Corellidae Corynascidia
	Olfactores \| Tunicata \| Phlebobranchia \| Corellidae Dextrogaster
	Olfactores \| Tunicata \| Phlebobranchia \| Corellidae Mysterascidia
	Olfactores \| Tunicata \| Phlebobranchia \| Corellidae Rhodosoma
	Olfactores \| Tunicata \| Phlebobranchia \| Corellidae Xenobranchion
	Olfactores \| Tunicata \| Phlebobranchia \| Perophoridae Ecteinascidia
	Olfactores \| Tunicata \| Phlebobranchia \| Perophoridae Perophora
	Olfactores \| Tunicata \| Phlebobranchia \| Ascidiidae Ascidia
	Olfactores \| Tunicata \| Phlebobranchia \| Ascidiidae Ascidiella
	Olfactores \| Tunicata \| Phlebobranchia \| Ascidiidae Fimbrora
	Olfactores \| Tunicata \| Phlebobranchia \| Ascidiidae Phallusia
	Olfactores \| Tunicata \| Phlebobranchia \| Ascidiidae Psammascidia
	Olfactores \| Tunicata \| Aplousobranchia \| Clavelinidae Clavelina
	Olfactores \| Tunicata \| Aplousobranchia \| Clavelinidae Euclavella
	Olfactores \| Tunicata \| Aplousobranchia \| Clavelinidae Nephtheis
	Olfactores \| Tunicata \| Aplousobranchia \| Clavelinidae Pycnoclavella
	Olfactores \| Tunicata \| Aplousobranchia \| Didemnidae Atriolum
	Olfactores \| Tunicata \| Aplousobranchia \| Didemnidae Clitella
	Olfactores \| Tunicata \| Aplousobranchia \| Didemnidae Coelocormus
	Olfactores \| Tunicata \| Aplousobranchia \| Didemnidae Didemnum
	Olfactores \| Tunicata \| Aplousobranchia \| Didemnidae Diplosoma
	Olfactores \| Tunicata \| Aplousobranchia \| Didemnidae Lissoclinum
	Olfactores \| Tunicata \| Aplousobranchia \| Didemnidae Polysyncraton
	Olfactores \| Tunicata \| Aplousobranchia \| Didemnidae Trididemnum
	Olfactores \| Tunicata \| Aplousobranchia \| Euherdmaniidae Euherdmania
	Olfactores \| Tunicata \| Aplousobranchia \| Holozoidae Colella
	Olfactores \| Tunicata \| Aplousobranchia \| Holozoidae Distaplia
	Olfactores \| Tunicata \| Aplousobranchia \| Holozoidae Hypsistozoa
	Olfactores \| Tunicata \| Aplousobranchia \| Holozoidae Hypodistoma
	Olfactores \| Tunicata \| Aplousobranchia \| Holozoidae Neodistoma
	Olfactores \| Tunicata \| Aplousobranchia \| Holozoidae Polydistoma
	Olfactores \| Tunicata \| Aplousobranchia \| Holozoidae Protoholozoa
	Olfactores \| Tunicata \| Aplousobranchia \| Holozoidae Pseudoplacentela
	Olfactores \| Tunicata \| Aplousobranchia \| Holozoidae Sycozoa
	Olfactores \| Tunicata \| Aplousobranchia \| Holozoidae Sigillina
	Olfactores \| Tunicata \| Aplousobranchia \| Placentelidae Placentela
	Olfactores \| Tunicata \| Aplousobranchia \| Polycitoridae Archidistoma
	Olfactores \| Tunicata \| Aplousobranchia \| Polycitoridae Brevicollus
	Olfactores \| Tunicata \| Aplousobranchia \| Polycitoridae Cystodytes
	Olfactores \| Tunicata \| Aplousobranchia \| Polycitoridae Eucoelium
	Olfactores \| Tunicata \| Aplousobranchia \| Polycitoridae Eudistoma
	Olfactores \| Tunicata \| Aplousobranchia \| Polycitoridae Exostoma
	Olfactores \| Tunicata \| Aplousobranchia \| Polycitoridae Millarus
	Olfactores \| Tunicata \| Aplousobranchia \| Polycitoridae Polycitor
	Olfactores \| Tunicata \| Aplousobranchia \| Polycitoridae Polycitorella
	Olfactores \| Tunicata \| Aplousobranchia \| Polycitoridae Rhombifera
	Olfactores \| Tunicata \| Aplousobranchia \| Polyclinidae Aplidiopsis
	Olfactores \| Tunicata \| Aplousobranchia \| Polyclinidae Aplidium
	Olfactores \| Tunicata \| Aplousobranchia \| Polyclinidae Fragaroides
	Olfactores \| Tunicata \| Aplousobranchia \| Polyclinidae Homoeodistoma
	Olfactores \| Tunicata \| Aplousobranchia \| Polyclinidae Macrenteron
	Olfactores \| Tunicata \| Aplousobranchia \| Polyclinidae Morchellium
	Olfactores \| Tunicata \| Aplousobranchia \| Polyclinidae Morchelloides
	Olfactores \| Tunicata \| Aplousobranchia \| Polyclinidae Neodictyon
	Olfactores \| Tunicata \| Aplousobranchia \| Polyclinidae Polyclinella
	Olfactores \| Tunicata \| Aplousobranchia \| Polyclinidae Polyclinum
	Olfactores \| Tunicata \| Aplousobranchia \| Polyclinidae Sidneioides
	Olfactores \| Tunicata \| Aplousobranchia \| Polyclinidae Synoicum
	Olfactores \| Tunicata \| Aplousobranchia \| Protopolyclinidae Condominium
	Olfactores \| Tunicata \| Aplousobranchia \| Protopolyclinidae Dumus
	Olfactores \| Tunicata \| Aplousobranchia \| Protopolyclinidae Monniotus
	Olfactores \| Tunicata \| Aplousobranchia \| Protopolyclinidae Protopolyclinum
	Olfactores \| Tunicata \| Aplousobranchia \| Pseudodistomidae Anadistoma
	Olfactores \| Tunicata \| Aplousobranchia \| Pseudodistomidae Citorclinum
	Olfactores \| Tunicata \| Aplousobranchia \| Pseudodistomidae Pseudodistoma
	Olfactores \| Tunicata \| Aplousobranchia \| Ritterellidae Pharyngodictyon
	Olfactores \| Tunicata \| Aplousobranchia \| Ritterellidae Ritterella
	Olfactores \| Tunicata \| Aplousobranchia \| Stomozoidae Stomozoa
	Olfactores \| Tunicata \| Aplousobranchia \| Vitrumidae Vitrum
	Olfactores \| Tunicata \| Thaliacea \| Doliolida \| Doliolidae Dolioletta
	Olfactores \| Tunicata \| Thaliacea \| Doliolida \| Doliolidae Doliolina
	Olfactores \| Tunicata \| Thaliacea \| Doliolida \| Doliolidae Dolioloides
	Olfactores \| Tunicata \| Thaliacea \| Doliolida \| Doliolidae Doliolum
	Olfactores \| Tunicata \| Thaliacea \| Salpida \| Salpidae \| Cyclosalpinae Cyclosalpa
	Olfactores \| Tunicata \| Thaliacea \| Salpida \| Salpidae \| Cyclosalpinae Helicosalpa
	Olfactores \| Tunicata \| Thaliacea \| Salpida \| Salpidae \| Salpinae Brooksia
	Olfactores \| Tunicata \| Thaliacea \| Salpida \| Salpidae \| Salpinae Ihlea
	Olfactores \| Tunicata \| Thaliacea \| Salpida \| Salpidae \| Salpinae Metcalfina
	Olfactores \| Tunicata \| Thaliacea \| Salpida \| Salpidae \| Salpinae Pegea
	Olfactores \| Tunicata \| Thaliacea \| Salpida \| Salpidae \| Salpinae Ritteriella
	Olfactores \| Tunicata \| Thaliacea \| Salpida \| Salpidae \| Salpinae Salpa
	Olfactores \| Tunicata \| Thaliacea \| Salpida \| Salpidae \| Salpinae Soestia
	Olfactores \| Tunicata \| Thaliacea \| Salpida \| Salpidae \| Salpinae Thalia
	Olfactores \| Tunicata \| Thaliacea \| Salpida \| Salpidae \| Salpinae Thetys
	Olfactores \| Tunicata \| Thaliacea \| Salpida \| Salpidae \| Salpinae Traustedtia
	Olfactores \| Tunicata \| Thaliacea \| Salpida \| Salpidae \| Salpinae Weelia
	Olfactores \| Tunicata \| Sorberacea \| Aspiraculata \| Hexacrobylidae Gasterascidia
	Olfactores \| Tunicata \| Sorberacea \| Aspiraculata \| Hexacrobylidae Hexadactylus
	Olfactores \| Tunicata \| Sorberacea \| Aspiraculata \| Hexacrobylidae Sorbera
	*VERTEBRATA* Click here to learn more

°Arcus°

CHORDATA: COUSINS OF VERTEBRATES

The chordates are the closest living relatives to vertebrates, encompassing a diverse array of creatures, such as lancelets, tunicates, salps and sea-squirts.