-
Xenacanthida (or
Xenacanthiformes) is an
order or
superorder of
extinct shark-like
chondrichthyans (cartilaginous fish)
known from the
Carboniferous to...
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Phoebodontiformes †Order
Squatinactiformes †Infraclass
Xenacanthimorpha †Order
Xenacanthiformes †Order
Ctenacanthiformes †Order
Jalodontiformes †Bandringa Infraclass...
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Xenacanthimorpha Berg, 1940 †Order
Bransonelliformes Hampe & Ivanov, 2007 †Order
Xenacanthiformes Berg, 1940
Infraclass Euselachii (sharks and rays) †Order Altholepidiformes...
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polyphyletic with
respect to
other groups of
total group elasmobranchs like
Xenacanthiformes.
Following Hodnett et al. 2024
Ctenacanthidae Dean 1909 Ctenacanthus...
- "The
first Western Gondwanan species of
Triodus Jordan 1849: A new
Xenacanthiformes (Chondrichthyes) from the late
Paleozoic of
Southern Brazil". Journal...
- (Chondrichthyes,
Xenacanthiformes), and
discussion of
Giebelodus Whitley, 1940,
replacement name for
Chilodus Giebel, 1848 (Chondrichthyes,
Xenacanthiformes), preoccupied...
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abundant members of
marine and
freshwater faunas throughout the Permian.
Xenacanthiformes,
another extinct group of shark-like chondrichthyans, were
common in...
- (Chondrichthyes,
Xenacanthiformes), and
discussion of
Giebelodus Whitley, 1940,
replacement name for
Chilodus Giebel, 1848 (Chondrichthyes,
Xenacanthiformes), preoccupied...
- the
following taxa: Cladoselache, Eugeneodontiformes, Symmoriida,
Xenacanthiformes, Ctenacanthiformes, Hybodontiformes, Galeomorphii,
Squaliformes and...
-
Gilles (2021-03-04). "A new
Triodus shark species (Xenacanthidae,
Xenacanthiformes) from the
lowermost Permian of
France and its
paleobiogeographic implications"...
