Definition of Ichthyostegalia. Meaning of Ichthyostegalia. Synonyms of Ichthyostegalia

Here you will find one or more explanations in English for the word Ichthyostegalia. Also in the bottom left of the page several parts of wikipedia pages related to the word Ichthyostegalia and, of course, Ichthyostegalia synonyms and on the right images related to the word Ichthyostegalia.

Definition of Ichthyostegalia

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Meaning of Ichthyostegalia from wikipedia

- 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...
- (Tristichopteridae) and the "fishapods" (genera such as Panderichthys and Tiktaalik) Ichthyostegalia, the primarily aquatic primitive labyrinthodonts such as Acanthostega...
- Devonian tetrapods include fishapods and amphibians that lived during the Devonian Period. Carboniferous tetrapods Permian tetrapods "Tetrapodomorpha"...
- ancestry of amniotes[citation needed]. With the reinterpretation of the Ichthyostegalia as aquatic forms[citation needed], baphetids are good candidates for...
- 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...
- Tetrapoda – four-limbed vertebrates class Amphibiaamphibians Subclass Ichthyostegaliaearly 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...