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Megapiranha

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Megapiranha
Megapirhana size chart
Sillhouette of Megapiranha in black compared to today's piranha
Vital statistics
Scientific Name Megapiranha paranensis
Length 1 metre
Height
Weight
Diet Omnivorous
Lived 8-10 million years ago
Range Argentina
Megapiranha was a genus of piranha from the Miocene of Argentina.

DescriptionEdit

Assuming that Megapiranha had a body proportionally similar to that of modern piranhas, it measured a meter in length, which is much larger than today's species.[1] Only some premaxillae and teeth of the genus have been found.

DiscoveryEdit

Megapiranha was first discovered in the early 1900s, but the fossils were not described until 2009 in a paper by Alberto Luis Cione and colleagues.[2]

PaleobiologyEdit

Megapiranha bones

The holotype and only known fossils

The teeth of Megapiranha are similar to both modern piranhas (which are carnivorous) and pacu (which are herbivorous). It is possible, therefore, that Megapiranha may have been omnivorous.[3]

ReferencesEdit

  1. http://www.prehistoric-wildlife.com/species/m/megapiranha.html
  2. Luis Cione et al. Megapiranha paranensis, a new genus and species of Serrasalmidae (Characiformes, Teleostei) from the Upper Miocene of Argentina. Journal of Vertebrate Paleontology, 2009; 29 (2): 350
  3. http://www.eurekalert.org/pub_releases/2009-06/nesc-nft062509.php

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