-
Chondrostei is a
subclass of non-neopterygian ray-finned fish.
While the term
originally referred to the
paraphyletic grouping of all non-neopterygian...
-
scales are
added in
concentric layers as the fish grows.
Teleosts and
chondrosteans (sturgeons and paddlefish) also
differ from the
bichirs and holosteans...
- the
chondrosteans, the
holosteans are
closer to the
teleosts and
further from sharks: the pair of
spiracles found in
sharks and
chondrosteans is reduced...
- the
chondrosteans (sturgeon, paddlefish,
bichir and reedfish) is the
cartilaginous nature of
their skeletons. The
ancestors of the
chondrosteans are thought...
-
There are
three types of ray
finned fishes: the
chondrosteans, holosteans, and teleosts. The
chondrosteans and
holosteans are
among the
earlier fish to evolve...
- however, such as
lepidotrichs lost in tetrapods, and bone lost
among the
chondrostean fishes.
Lungs have been
retained in
dipnoi (lungfish), and many tetrapods...
- (23 ft).
Their skeleton was
largely made up of
bones (unlike
living chondrosteans), but
ossification was
reduced compared to
other ray-fins. Paleontology...
- encomp**** one myxinid, two petromyzontids, 18 chondrichthyans, two
chondrosteans, and 230 teleosts. In addition, the sea
hosts 37
marine mammal species...
- Threskiornithidae.
Spoonbill may also
refer to:
American Paddlefish, a
primitive Chondrostean ray-finned fish
colloquially known as
spoonbills USS
Spoonbill (MSC-202)...
-
chondrostean kidney is an
important hemopoietic organ; it is
where erythrocytes, granulocytes,
lymphocytes and
macrophages develop. Like
chondrostean...
