- Actinistia. The
order Coelacanthiformes has been used for a
subgroup of
actinistians,
containing the
modern coelacanths.
According to the
fossil record, the...
-
common during those periods than in any
other period in the Phanerozoic.
Actinistians, a
group within the lobe-finned fish, have been
around for
almost 380...
-
distinguishing feature was its tuna-like
forked tail (unusual for an
actinistian fish),
which suggested a fast-swimming and
active lifestyle,
unlike coelacanths...
- Richard; Forey,
Peter L. (1991-09-01). "Diversity of
extinct and
living actinistian fishes (Sarcopterygii)".
Environmental Biology of Fishes. 32 (1): 59–74...
- of
South Africa shed
light on the
order of
character acquisition in
actinistians:
Fossil Coelacanths from the
South African Devonian".
Zoological Journal...
- this was done,
among others, for the
actinopterygian Cheirolepis, the
actinistian Miguashaia and the
tetrapodomorph Euthenopteron. The formation's depositional...
- some habitats.
Preserved sarcopterygians (lobe-finned fish)
include actinistians (coelacanths) and the
rhizodont Strepsodus,
which have very different...
- John A. (12
September 2024). "A Late
Devonian coelacanth reconfigures actinistian phylogeny, disparity, and
evolutionary dynamics".
Nature Communications...
- well-preserved
embryos have been
found with yolk sacs in the
Carboniferous actinistian Rhabdoderma exiguum.
These range in
development from
specimens still...
- the
usual Paleozoic coelacanth body plan, it is one of the most
basal actinistian fish.
Paleontology portal Fish
portal Prehistoric fish List of prehistoric...
