Eucritta–from before the reptile-amphibian split

 

Eucritta melanolimnetes

Eucritta melanolimnetes represents ancestral tetrapods. We mammals did not descend from amphibian: we descended from reptiles. The Amphibians are on a separate branch of the family. Eucritta has features of both. It is a transitional form, vulgarly called a “missing link.” But obviously it’s not missing. Described by Jennifer Clack in 1998, it’s from the early Carboniferous Era.

Clack is having a little joke here: Eucritta presumably means “good creature” and melanolimnetes means “from dark fresh water.”

Eucritta melanolimnetes life reconstruction by Dmitry Bogdanov

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