-
though some taxa
developed cutting and
gouging tooth morphologies. Some
ctenacanths are
thought to have
reached sizes comparable to the
great white shark...
-
Dracopristis (meaning 'dragon shark') is an
extinct genus of
ctenacanth (a
group of shark-like
cartilaginous fish) that
lived during the Carboniferous...
-
emerged by the
latest Devonian (Famennian).
During the Carboniferous, some
ctenacanths would grow to
sizes rivalling the
modern great white shark with bodies...
-
Glikmanius is an
extinct genus of
ctenacanth cartilaginous fish
which lived in the
Carboniferous of
North America and Russia.
Skeletal remains attributed...
- top
freshwater predators of the late Paleozoic. †Ctenacanthi-
formes Ctenacanths Glikman, 1964 2 Shark-like
elasmobranchs characterized by
their robust...
- 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...
- found. The fish
fossils were
identified as fin-spines and
teeth from
ctenacanth and
xenacanth sharks respectively,
palaeoniscoid scales, as well as coprolites...
- Tolleson, Kelli; Tweet,
Justin S.; Santucci,
Vincent L. (2023-05-04). "New
ctenacanth sharks (Chondrichthyes; Elasmobranchii; Ctenacanthiformes) from the Middle...
-
Wodnika is an
extinct genus of
ctenacanth which lived in the Late
Permian period in the
present area of
Germany and Russia. It
measured about 1 m (3.2 ft)...
- spine. It is
slightly recurved, and
morphologically close to ones of
ctenacanth elasmobranchs. Originally, it is
considered that
dorsal fin have a triangular...