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The second largest prehistoric pinniped is Gomphotaria pugnax with a skull length of nearly 47 cm (19 in). [150] One of the largest of prehistoric otariids is Thalassoleon, comparable in size to the biggest extant fur seals. An estimated weight of T. mexicanus is no less than 295–318 kg (650–701 lb). [153]
This list of prehistoric amphibians is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be ...
Beelzebufo (/ biːˌɛlzɪˈbjuːfoʊ / or / ˌbiːlzəˈbjuːfoʊ /) is an extinct genus of hyloid frog from the Late Cretaceous Berivotra and Maevarano Formations of Madagascar. [1] The type species is B. ampinga, and common names assigned by the popular media to B. ampinga include devil frog, [2] devil toad, [3] and the frog from hell.
Temnospondyli. Temnospondyli (from Greek τέμνειν, temnein 'to cut' and σπόνδυλος, spondylos 'vertebra') or temnospondyls is a diverse ancient order of small to giant tetrapods —often considered primitive amphibians —that flourished worldwide during the Carboniferous, Permian and Triassic periods, with fossils being found on ...
Diplocaulus (meaning "double stalk") is an extinct genus of lepospondyl amphibians which lived from the Late Carboniferous to the Late Permian of North America and Africa. Diplocaulus is by far the largest and best-known of the lepospondyls, characterized by a distinctive boomerang -shaped skull.
The largest South China giant salamander, which researchers said is likely the largest amphibian ever recorded, lived during the first half of the 20th century and was housed at the London Zoo for ...
Brachyopoidea is a superfamily of temnospondyls that lived during the Mesozoic. It contains the families Brachyopidae and Chigutisauridae. The earliest records of brachyopids are from the Lower Triassic in Australia. [1] The latest-surviving member of the superfamily is the chigutisaurid Koolasuchus from the Early Cretaceous of Australia.
Andrias matthewi. Andrias matthewi, or Matthew's giant salamander, [4] is an extinct species of giant salamander from the Miocene of North America. It belongs to the genus Andrias, which contains the living Asian giant salamanders. It is the largest salamander to have ever existed, with a maximum estimated length of 2.3 m (7 ft 7 in). [5]