-
though some taxa
developed cutting and
gouging tooth morphologies. Some
ctenacanths are
thought to have
reached sizes comparable to the
great white shark...
- "sharks",
ctenacanths were
outside of the
clade Selachimorpha and are not
considered "true" sharks.
Compared with
selachimorph sharks, the
ctenacanths had greatly...
-
emerged by the
latest Devonian (Famennian).
During the Carboniferous, some
ctenacanths would grow to
sizes rivalling the
modern great white shark with bodies...
- top
freshwater predators of the late Paleozoic. †Ctenacanthi-
formes Ctenacanths Glikman, 1964 2 Shark-like
elasmobranchs characterized by
their robust...
-
Glikmanius is an
extinct genus of
ctenacanth cartilaginous fish
which lived in the
Carboniferous of
North America and Russia.
Skeletal remains attributed...
- found. The fish
fossils were
identified as fin-spines and
teeth from
ctenacanth and
xenacanth sharks respectively,
palaeoniscoid scales, as well as coprolites...
- Cave Tooth-plate of a shark-like
petalodont fish
Dorsal fin
spine of a
ctenacanth shark,
exposed from the
limestone of
Mammoth Cave The cave's name refers...
-
dorsal spines in
Cladoselache supported the idea that Cladoselache,
ctenacanths, and
hybodonts formed a
series of
forms incrementally more “advanced”...
-
Arduodens is an
extinct genus of
ctenacanth fish from the
Devonian period. Its name is
derived from the
Latin Arduus meaning steep and dens
meaning tooth...
-
Dozens of fish
genera are known,
ranging from
chondrichthyans like
ctenacanths and hybodonts, to
actinopterygians and sarcopterygians.
Lontras Shale...