BioImages: The Virtual Field-Guide (UK)

CHORDATA (vertebrates)

Subtaxa (ie subgroups of this Phylum)

TUNICATA Lamarck, 1816 (ascidians, sea-squirts, tunicates)
ASCIDIACEA (ascidians, sea-squirts), eg: Ciona intestinalis (a sea-squirt) - Lateral view - photographed underwater
Subphylum 19 subtaxa 28 ident refs
VERTEBRATA (vertebrates)
GNATHOSTOMATA (jawed craniates), eg: Erithacus rubecula (Robin, European Robin) - Adult - ventro-lateral view
Subphylum 264 subtaxa 304 ident refs

Suggested Literature

Identification Works

Lever, C., 1977 (Introduced species) The Naturalized Animals of the British Isles

BioInfo BioInfo ( has 165 general literature references to CHORDATA (vertebrates)

CHORDATA may also be covered by literature listed under:

(living things)

BioInfo BioInfo ( has 2235 feeding and other relationships of CHORDATA (vertebrates)

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