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Coelacanths (/ˈsiːləkænθ/ SEE-lə-kanth) (order Coelacanthiformes) are an
ancient group of lobe-finned fish (Sarcopterygii) in the
class Actinistia. As...
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distinguishing feature was its tuna-like
forked tail (unusual for an
actinistian fish),
which suggested a fast-swimming and
active lifestyle,
unlike coelacanths...
- of
South Africa shed
light on the
order of
character acquisition in
actinistians:
Fossil Coelacanths from the
South African Devonian".
Zoological Journal...
- Two
genera of Tri****ic fish, the
actinopterygian Piveteaunotus and the
actinistian Piveteauia, and a
genus of
Middle Jur****ic
theropod dinosaur, Piveteausaurus...
- it is not
monophyletic in
their analysis. Clement, Gael (1999). "The
actinistian (Sarcopterygii)Piveteauia
madagascariensisLehman from the
Lower Tri****ic...
- some habitats.
Preserved sarcopterygians (lobe-finned fish)
include actinistians (coelacanths) and the
rhizodont Strepsodus,
which have very different...
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genus is
named after Jean Piveteau. Gael
Clement (1999-06-14). "The
Actinistian (Sarcopterygii)
Piveteauia madagascariensis Lehman from the
Lower Tri****ic...
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Actinistians (coelacanths) of the
Chinle Formation Genus Species State Stratigraphic position Abundance Notes Images Chinlea Indeterminate Arizona Owl...
- this was done,
among others, for the
actinopterygian Cheirolepis, the
actinistian Miguashaia and the
tetrapodomorph Euthenopteron. The formation's depositional...
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genus of Tri****ic ray-finned fish, Errolichthys, a
genus of Tri****ic
actinistian fish, Whiteia, and two
Eocene genera of
teleost fish,
Whitapodus and...
