Lungfish

Dipterus valenciennesi

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An extinct lungfish from Europe and Australia.

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Taxonomy

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Picture credits:

"Dipterus valenciennesi" by User:Haplochromis - Self-photographed. Licensed under CC BY-SA 3.0 via Commons - https://commons.wikimedia.org/wiki/File:Dipterus_valenciennesi.jpg#/media/File:Dipterus_valenciennesi.jpg