- teleosts). The
caudal fin is
either heterocercal (only
fossil taxa) or
diphycercal. The
coelacanth is one type of
living lobe-finned fish. Both
extant members...
-
Donoghue &
Smith 2001;
Sansom et al. 2005), in
which the
caudal fin
looks diphycercal (i.e. symmetrical) and is
strengthened by a few
large radials (Janvier...
- fan-shaped. The tail may be heterocercal,
reversed heterocercal, protocercal,
diphycercal, or homocercal. Heterocercal:
vertebrae extend into the
upper lobe of...
- They
possess a three-lobed
caudal fin, also
called a
trilobate fin or a
diphycercal tail. A
secondary tail
extending past the
primary tail
separates the...
-
scales arranged in chevrons, and the tail is
probably pad-shaped and
diphycercal. The
dermal bones of
arandaspids consist of
aspidine (acellular bone)...
-
Endoskeleton Cartilaginous Mostly bony
Caudal fin
Heterocercal Heterocercal or
diphycercal Pelvic fins
Usually posterior.
Mostly anterior,
occasionally posterior...
-
region of
origin toward insertion. They have
powerful long paddle-shaped
diphycercal tails. The
pectoral fins are large, fleshy, and flipper-like. The pelvic...
- long
upper lobe,
although in some
groups it is
leptocercal (also
called diphycercal)
meaning it is
symmetrical and elongated, and in
modern chimaeras may...
- They also bore two anal fins, with the tail (caudal) fin
being pseudo-
diphycercal. They were
probably slow
swimmers that swam
using side to side undulations...
-
cartilaginous plate. The
caudal (tail) fin is
rounded and
symmetrical (termed
diphycercal), and is
supported by
approximately 15 fin rays
forming the
upper lobe...
