Definition of Ichthyostegalia. Meaning of Ichthyostegalia. Synonyms of Ichthyostegalia

- Ichthyostegalia is an order of extinct amphibians, representing the earliest landliving vertebrates. The group is thus an evolutionary grade rather than...
- composed of several nested clades. The two best understood groups, the Ichthyostegalia and the reptile-like amphibians have from the outset been known to...
- late stem tetrapods and early tetrapods are the Labyrinthodontia and Ichthyostegalia. The cladogram is based on a phylogenetic analysis of 46 taxa using...
- Devonian tetrapods include fishapods and amphibians that lived during the Devonian Period. Carboniferous tetrapods Permian tetrapods "Tetrapodomorpha"...
- Traditionally, Ichthyostega was considered part of an order named for it, the "Ichthyostegalia". However, this group represents a paraphyletic grade of primitive...
- characteristics that distinguished it from the paddle-like feet of the Devonian Ichthyostegalia and resembled the feet of later, more terrestrially adapted Carboniferous...
- (Tristichopteridae) and the "fishapods" (genera such as Panderichthys and Tiktaalik) Ichthyostegalia, the primarily aquatic primitive labyrinthodonts such as Acanthostega...
- Tetrapoda – four-limbed vertebrates class Amphibia – amphibians Subclass Ichthyostegalia – early fish-like amphibians (paraphyletic group outside leading to...
- relatives were the dominant forms. The period also saw the demise of the Ichthyostegalia, the early fish-like amphibians with more than five digits. The low...
- ancestry of amniotes[citation needed]. With the reinterpretation of the Ichthyostegalia as aquatic forms[citation needed], baphetids are good candidates for...