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Gnathostomata (/ˌnæθoʊˈstɒmətə/; from
Ancient Gr****: γνάθος (gnathos) 'jaw' + στόμα (stoma) 'mouth') are the
jawed vertebrates.
Gnathostome diversity...
- (hagfishes),
Hyperoartia (including lampreys), and the much more
numerous Gnathostomata (jawed vertebrates).
Formerly distinct from
vertebrates by excluding...
- The
Gnathostomata are a
superorder of sea urchins,
including the
familiar sand dollars.
Gnathostomatans are
irregular in shape, but
unlike other irregular...
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Galeaspida † (unranked)
Pituriaspida † (unranked)
Osteostraci †
Infraphylum Gnathostomata (jawed vertebrates)
class Placodermi † (armoured fish)
class Chondrichthyes...
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subphylum Vertebrata.
Examples of
infraphyla include the Mycetozoa, the
Gnathostomata and the Agnatha.
Hutchinson 1973. Hutchinson, John (1973). The families...
- described.
Vertebrates span the
Agnatha or
jawless fish, and the
jawed Gnathostomata.
These include both the
Chondrichthyes or
cartilaginous fish and the...
- heart, and a lack of
opercula and swim bladders.
Within the
infraphylum Gnathostomata,
cartilaginous fishes are
distinct from all
other jawed vertebrates...
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class †Thelodonti
class †Anaspida
class †Cephalaspidomorphi
Infraphylum Gnathostomata (jawed vertebrates)
class †Placodermi (Paleozoic
armoured forms; paraphyletic...
- and a
single nostril.
Instead of
vertically articulating jaws like
Gnathostomata (vertebrates with jaws), they have a pair of
horizontally moving structures...
- This
article contains a list of all of the
classes and
orders that are
located in the
Phylum Chordata. The
subphyla Tunicata and
Vertebrata are in the...
