-
Rhipidistia, also
known as Dipnotetrapodomorpha, is a
clade of lobe-finned
fishes which includes the
tetrapods and lungfishes.
Rhipidistia formerly referred...
- Dipnomorpha, the
sister group to the Tetrapodomorpha. Together,
these form the
Rhipidistia, the
sister group to the coelacanths.
Recent molecular genetic analyses...
-
evolutionary paths,
leading to
their classification into two subclasses: the
Rhipidistia (comprising the Dipnoi, or lungfish, and the Tetrapodomorpha,
which includes...
-
Actinistia (coelacanths)
Rhipidistia...
- 23
pairs of
lymph hearts.
Lymph hearts are
thought to have
evolved in
Rhipidistia.
Mammals have lost the
lymph heart as a
centralized organ,
instead having...
- who
established it as the sole
family of the
order Rhipidistia. In turn, Cope
deemed Rhipidistia and
Actinistia as the two
orders forming a superorder...
-
Actinistia (2 species: coelacanths)
Rhipidistia...
-
Actinistia Coelacanths Rhipidistia...
- Lobe-finned †Onychodontiformes
Coelacanth Rhipidistia †Porolepiformes
Lungfish Tetrapodomorpha Ray-finned †"Palaeonisciformes"
Cladistia Polypteriformes...
-
sarcopterygians (lobe-finned fish). One
lineage of sarcopterygians,
Rhipidistia,
evolved the
first four-limbed vertebrates,
which would eventually become...
