-
Ctenacanthiformes is an
extinct order of
cartilaginous fish. They
possessed ornamented fin
spines at the
front of
their dorsal fins and cladodont-type...
-
hybodonts (Order Hybodontiformes),
xenacanths (order Xenacanthformes) and
Ctenacanthiformes.
These are also
often referred to as "sharks" in
reference to their...
- and
other marine organisms.
Other groups of elasmobranchs, like the
ctenacanthiformes grew to
large sizes, with some
genera like
Saivodus reaching around...
-
array of
spines on its
dorsal fins. The main
differentiation between ctenacanthiformes and true
sharks is that
ctenacanthiform mouths are
larger but less...
- †Diplacanthiformes †Ischnacanthiformes
Cartilaginous Elasmobranchii †
Ctenacanthiformes †Hybodontiformes †Phoebodontiformes †Xenacanthida Ray
Shark Holocephali...
- is
estimated that
reached over 3 m (9.8 ft). The
largest member of
ctenacanthiformes is
Saivodus striatus with
estimated length around 6–9 m (20–30 ft)...
- taxa: Cladoselache, Eugeneodontiformes, Symmoriida, Xenacanthiformes,
Ctenacanthiformes, Hybodontiformes, Galeomorphii,
Squaliformes and Batoidea. Bony fish...
- 2015 †Order
Polymerolepidiformes †Order
Ptychodontiformes †Order
Ctenacanthiformes Zangerl, 1981 †Division
Hybodonta †Order
Hybodontiformes Owen, 1846...
- †Diplacanthiformes †Ischnacanthiformes
Cartilaginous Elasmobranchii †
Ctenacanthiformes †Hybodontiformes †Phoebodontiformes †Xenacanthida Ray
Shark Holocephali...
- †Diplacanthiformes †Ischnacanthiformes
Cartilaginous Elasmobranchii †
Ctenacanthiformes †Hybodontiformes †Phoebodontiformes †Xenacanthida Ray
Shark Holocephali...
