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The largest living amphibian is the 1.8 m (5 ft 11 in) Chinese giant salamander (Andrias davidianus) [40] but this is a great deal smaller than the largest amphibian that ever existed—the extinct 9 m (30 ft) Prionosuchus, a crocodile-like temnospondyl dating to 270 million years ago from the middle Permian of Brazil. [41]
It was ranked as an order under class Amphibia by Watson in 1920 and as a superorder by Romer in 1947. [ 69 ] [ 70 ] An alternative name, Stegocephalia was created in 1868 by American paleontologist Edward Drinker Cope , from Greek stego cephalia —"roofed head", and refer to anapsid skull and the copious amounts of dermal armour some of the ...
The Lissamphibia (from Greek λισσός (lissós, "smooth") + ἀμφίβια (amphíbia), meaning "smooth amphibians") is a group of tetrapods that includes all modern amphibians. Lissamphibians consist of three living groups: the Salientia ( frogs and their extinct relatives), the Caudata ( salamanders and their extinct relatives), and the ...
the carrier strike group commander and staff, which is also considered an "embarked" command The number of personnel assigned to the ship's company of a Nimitz -class aircraft carrier averages 3,200 officers and enlisted, while the associated carrier air wing has approximately 2,500 officers and enlisted personnel, and the embarked carrier ...
The evolution of tetrapods began about 400 million years ago in the Devonian Period with the earliest tetrapods evolved from lobe-finned fishes. [1] Tetrapods (under the apomorphy-based definition used on this page) are categorized as animals in the biological superclass Tetrapoda, which includes all living and extinct amphibians, reptiles, birds, and mammals.
Amphibian Species of the World 6.2: An Online Reference (ASW) is a herpetology database. It lists the names of frogs, salamanders and other amphibians , which scientists first described each species and what year, and the animal's known range.
It’s called sticker shock. And if you haven’t been to a dealer’s showroom since before the pandemic, you might want to prepare yourself.
Mudskippers are found in mangrove swamps in Africa and the Indo-Pacific; they frequently come onto land, and can survive in air for up to 3-1/2 days. [5] Mudskippers breathe through their skin and through the lining of the mouth (the mucosa) and throat (the pharynx). This requires the mudskipper to be wet, limiting them to humid habitats.