-
electric rays,
which have a
thick and
flabby body, with soft,
loose skin,
chondrichthyans have
tough skin
covered with
dermal teeth (again,
Holocephali is an...
-
Cladoselache is an
extinct genus of shark-like
chondrichthyan (cartilaginous fish) from the Late
Devonian (Famennian) of
North America. It was similar...
- fish) with a shark-like morphology, such as hybodonts. Shark-like
chondrichthyans such as
Cladoselache and
Doliodus first appeared in the
Devonian Period...
-
Cosmoselachus is an
extinct genus of
symmoriiform chondrichthyan from the
Upper Carboniferous (Mississippian subperiod) aged
Fayetteville Shale of Arkansas...
-
teeth occurred later in development.
Qianodus is
placed within the
chondrichthyan stem
group on the
basis of
dental characters derived from the limited...
- Wenjin; Wang, Jianhua; Wang, Chun-Chieh; et al. (September 2022). "Spiny
chondrichthyan from the
lower Silurian of
South China". Nature. 609 (7929): 969–974...
-
mosaic of
features shared with both
osteichthyans (bony fish) and
chondrichthyans (cartilaginous fish). In
general body shape, they were
similar to modern...
- mermaid's purse, is the
casing that
surrounds the eggs of
oviparous chondrichthyans.
Living chondricthyans that
produce egg
cases include some sharks,...
-
fossil chondrichthyans within the group. The
definition of
Elasmobranchii has
since been
subject to much
confusion with
regard to
fossil chondrichthyans. Maisey...
- 439
million years ago,
which are
placed as acanthodian-grade stem-
chondrichthyans. Brazeau, M. D.; Friedman, M. (2015). "The
origin and
early phylogenetic...