- (ikhthús) 'fish') is a
class of
jawed fish that
contains the
cartilaginous fish or
chondrichthyans,
which all have
skeletons primarily composed of cartilage. They can...
-
Cladoselache ("branch shark") is an
extinct genus of shark-like
chondrichthyan (cartilaginous fish) from the Late
Devonian (Famennian) of
North America...
-
mosaic of
features shared with both
osteichthyans (bony fish) and
chondrichthyans (cartilaginous fish). In
general body shape, they were
similar to modern...
- hybodonts, are an
extinct group of shark-like
cartilaginous fish (
chondrichthyans)
which existed from the late
Devonian to the Late Cretaceous. Hybodonts...
-
Mcmurdodus is an
extinct genus of
chondrichthyan belonging to the
family Mcmurdodontidae. It
contains one species,
Mcmurdodus featherensis, from the Middle...
- mermaid's purse, is the
casing that
surrounds the eggs of
oviparous chondrichthyans.
Living chondricthyans that
produce egg
cases include some sharks,...
-
Falcatus is an
extinct genus of
falcatid chondrichthyan which lived during the
early Carboniferous Period in Bear
Gulch bay in what is now Montana. This...
- fish) with a shark-like morphology, such as hybodonts. Shark-like
chondrichthyans such as
Cladoselache and
Doliodus first appeared in the
Devonian Period...
-
feature of
chondrichthyans, is an
evolutionary derivative of
globular calcified cartilage. If this were the case,
primitive chondrichthyans would have...
- representatives. The
teleostomes include all
jawed vertebrates except the
chondrichthyans and the
extinct class Placodermi.
Recent studies indicate that Osteichthyes...
