The evolution of tetrapods began about 400 million years ago in the Devonian Period with the earliest tetrapods evolved from lobe-finned fishes. Tetrapods...

between lobe-finned fishes and true four-limbed tetrapods. Limbed vertebrates (tetrapods in the broad sense of the word) are first known from Middle Devonian...

pre-Devonian origin of fish, their Devonian radiation, including the conquest of land by early tetrapods, and the post-Devonian evolution of fishes. The Devonian...

375 Ma, the first tetrapods evolved from fish. Fins evolved to become limbs that the first tetrapods used to lift their heads out of the water to breathe...

is that elpistostegalian and tetrapod similarities are a case of convergent evolution. In this interpretation, tetrapods would originate in the Middle...

establishing themselves as terrestrial tetrapods in the succeeding Carboniferous. Amniotes branched from amphibious tetrapods early in the Carboniferous period...

ResearchGate. Retrieved 2020-08-25. Gans, Carl (1975-05-01). "Tetrapod Limblessness: Evolution and Functional Corollaries". Integrative and Comparative Biology...

the early evolution of tetrapods, specifically studying the "fish to tetrapod" transition: the origin, evolutionary development and radiation of early tetrapods...

for hundreds of millions of years, they all originally descended from aquatic animals (see Evolution of tetrapods). These ancestral tetrapods had never left...

not produced tetrapods thus far). As with East Kirkton Quarry, tetrapods at these sites were discovered through the long-term efforts of Stan Wood and...

Transitional tetrapods first appeared during the early Devonian, and by the late Devonian the first tetrapods appeared. The diversity of jawed vertebrates...

mosasaurs, and ichthyosaurs. Reptiles first arose from earlier tetrapods in the swamps of the late Carboniferous (Early Pennsylvanian - Bashkirian). Increasing...

Evolution is the change in the heritable characteristics of biological populations over successive generations. It occurs when evolutionary processes...

sequence of events involved in tetrapod evolution. In January 2010, a group of paleontologists published a paper which showed that the first tetrapods appeared...

stem tetrapods. Stem tetrapods are members of Tetrapodomorpha, the total group and clade that also includes their descendants, the crown tetrapods: The...

of life forms Abiogenesis – Life arising from non-living matter History of life Timeline of the evolutionary history of life Evolution of tetrapods –...

includes finned and limbed tetrapods that are more closely related to living tetrapods than to living lungfishes." Tetrapods evolved from animals with...

Panderichthys and tetrapods are convergent, or that Panderichthys is closer to tetrapods than Tiktaalik. At any rate, it demonstrates that the fish–tetrapod transition...

clade of lobe-finned fishes which includes the tetrapods and lungfishes. Rhipidistia formerly referred to a subgroup of Sarcopterygii consisting of the...

half-tetrapods, in appearance and limb morphology. The Tetrapodomorpha contains the crown group tetrapods (the last common ancestor of living tetrapods and...

seen in fish apparently being irrevocably lost very early in the evolution of tetrapods. The branchial system is typically used for respiration and/or feeding...

February 2013. Jaws, Teeth of Earliest Bony Fish Discovered Clack, J.A. (2012). Gaining ground: the origin and evolution of tetrapods (2nd ed.). Bloomington...

very early in the evolution of tetrapods. Sharks and rays typically have five pairs of gill slits that open directly to the outside of the body, though...

interior of the mouth. In tetrapods that lack a secondary palate (basal tetrapods and amphibians), the choanae are located forward in the roof of the mouth...

it appears they separated from the other tetrapods somewhere during Romer's gap, when the adult tetrapods became fully terrestrial (some forms would...

sarcopterygians, prototetrapods, aquatic stem tetrapods (or "fishapods"), amphibian true tetrapods, and amniote tetrapods. Many morphological changes occurred...

Ichthyostega is often labelled a 'tetrapod' because of its limbs and fingers, it evolved long before true crown group tetrapods and could more accurately be...

group of lobe-finned fish (Sarcopterygii) in the class Actinistia. As sarcopterygians, they are more closely related to lungfish and tetrapods (which...

characteristics of the walking gaits of terrestrial tetrapods. In a classic example of convergent evolution, the pectoral limbs of pterosaurs, birds and bats further...

meaning "smooth amphibians") is a group of tetrapods that includes all modern amphibians. Lissamphibians consist of three living groups: the Salientia (frogs...