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Megapiranha is an extinct serrasalmid characin fish from the Late Miocene (8–10 million years ago) Ituzaingó Formation of Argentina, described in 2009. [1] The type species is M. paranensis. [2] It is thought to have been about 71 centimetres (28 in) in length and 10 kilograms (22 lb) in weight. [3]
The study of prehistoric fish is called paleoichthyology. A few living forms, such as the coelacanth are also referred to as prehistoric fish, or even living fossils, due to their current rarity and similarity to extinct forms. Fish which have become recently extinct are not usually referred to as prehistoric fish.
Xenacanthus (from Ancient Greek ξένος, xénos, 'foreign, alien' + ἄκανθος, akanthos, 'spine') is an extinct genus of xenacanth cartilaginous fish. It lived in freshwater environments, and fossils of various species have been found worldwide.
Rhacolepis is an extinct genus of ray-finned fish [1] from the Cretaceous Santana Formation of Brazil. [2] Complete fossilised hearts from this species have been recovered. [ 3 ]
Leedsichthys, a giant Jurassic pachycormid. This list of prehistoric bony fish is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be bony fish (class Osteichthyes), excluding purely vernacular terms.
An angler recently reeled in an “incredibly rare” and prehistoric fish while fishing in Kansas, according to state wildlife officials. Kevin Zirjacks was casting his line in the Kansas River ...
This category includes prehistoric fish known only from fossil records. First and extinct fish that lived through the Cambrian to the Tertiary. Some Endangered and recently extinct fish don't count as prehistoric fish. They go under Category:Extinct fish
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