WitrynaThe common ancestor of the lobe- and ray-finned fishes had lungs as well as gills. So what happened to these lungs and gills? In the lobefins, lungs stuck around, and tetrapods, coelacanths, and (duh) lungfish, all inherited them and use them to obtain oxygen. Coelacanths and lungfish also retained their gills. Witryna1 sie 2004 · The two main groups of bony vertebrates are the ray-finned fishes (Actinopterygii) and the lobe-limbed vertebrates (Sarcopterygii). The latter comprise three groups: coelacanths (Actinistia), lungfishes (Dipnoi), and four-limbed vertebrates, or Tetrapoda, encompassing amphibians, reptiles, birds, and mammals ( Clack 2002 ).

From water to land - Understanding Evolution

Witryna15 wrz 2006 · The first vertebrates recognizable as tetrapods appeared in the mid-Devonian. It is generally agreed that their ancestors were lobe-finned fish. What is … WitrynaDiversity and Lower Taxonomy: The Sarcopterygii, or lobe-finned fishes, is a clade containing the coelacanths, lungfishes, tetrapods, and their fossil relatives, including … lied to life insurance

Coelacanths - Cell

Witrynaextant groups of lobe-finned fishes, the lungfish or the coelacanth, is the living sister group of land vertebrates or whether both are equally closely related to tetrapods (Fig. 1). During the last decade, molecular data have been collected with the explicit goal of discriminating between these three competing hypotheses (Fig. 1). WitrynaThe lobe-finned fishes diverged from the ray-finned fishes about 450 million years ago (mya) and were highly successful during the Devonian, when hundreds of species lived in the oceans and rivers of most continents. ... Lungfish have provided insights into the evolution of hearing. A study on hearing in the African lungfish (Protopterus ... lied tokio