- (ptérux) 'wing, fins'),
members of
which are
known as ray-finned fish or
actinopterygians, is a
class of bony fish that
comprise over 50% of
living vertebrate...
-
study through thin sectioning; this was done,
among others, for the
actinopterygian Cheirolepis, the
actinistian Miguashaia and the
tetrapodomorph Euthenopteron...
-
Actinopterygians Genus Species Member Locality Material Notes Images "Pycnodus" "P". mokattamensis...
- more rare
species (<3 specimens), in
terms of
total specimen count.
Actinopterygians (ray-finned bony fish) are also
quite diverse, with
about 50 described...
-
which evolved from lobe-finned fish
during the
Middle Devonian. In
actinopterygians, the
pelvic fin
consists of two endochondrally-derived bony girdles...
- fish at
neutral buoyancy.[citation needed]
Acanthodians share with
Actinopterygians the
characteristic of
three otoliths, the
sagitta in the sacculus,...
- 27 (7): 151–193. Murray, A.M.; Thewissen, J.G.M. (2008). "Eocene
Actinopterygian Fishes from ****stan, with the
Description of a New
Genus and Species...
-
acanthodians in his Ganoidei. Carl
Hermann Müller
later proposed to
divide actinopterygians into
three groups: Chondrostei, Holostei, and Teleostei. Later, Edward...
- The
Birket Qarun Formation is an
Eocene aged
formation in Egypt. It is part of the
famous Wadi al Hitan.
Notable fossils include the
ancient whales Basilosaurus...
- the
Devonian actinopterygians and is
considered the
first to
possess the "standard"
dermal cranial bones seen in
later actinopterygians.
Cheirolepis was...
