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This cladistic approach defines "tetrapods" as the nearest common ancestor of all living amphibians (the lissamphibians) and all living amniotes (reptiles, birds, and mammals), along with all of the descendants of that ancestor. In effect, "tetrapod" is a name reserved solely for animals which lie among living tetrapods, so-called crown tetrapods.
Examples of Clovis and other Paleoindian point forms, markers of archaeological cultures in North America. The Solutrean hypothesis on the peopling of the Americas is the claim that the earliest human migration to the Americas began from Europe during the Solutrean Period, with Europeans traveling along pack ice in the Atlantic Ocean.
Eotetrapodiformes is a clade of tetrapodomorphs including the four-limbed vertebrates ("tetrapods" in the traditional sense) and their closest finned relatives, two groups of stem tetrapods called tristichopterids and elpistostegalids.
Early Cretaceous tetrapods of North America (2 C) R. Cretaceous reptiles of North America (5 C, 10 P) S. Cretaceous synapsids of North America (3 C)
Pages in category "Prehistoric tetrapods of North America" This category contains only the following page. This list may not reflect recent changes. G. Gymnarthridae
Tuditanomorpha is a suborder of microsaur tetrapods. Tuditanomorphs lived from the Late Carboniferous to the Early Permian and are known from North America and Europe . Tuditanomorphs have a similar pattern of bones in the skull roof .
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Carboniferous tetrapods of North America (4 C, 8 P) P. Permian tetrapods of North America (5 C, 1 P) R. Paleozoic reptiles of North America (2 C, 1 P) S.