Ichthyostega
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Ichthyostega, from Ancient Greek ἰχθύς, meaning "fish", and στέγη, meaning "roof", is an extinct genus of limbed tetrapodomorphs from the Late Devonian of what is now Greenland. It was among the earli
Skull A.199, Zoological Museum of Copenhagen
Tail with fin rays, counterpart of specimen A.69
Simplified phylogeny of the fish–tetrapod transition.
Whatcheeriidae
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Whatcheeriidae is an extinct family of stem-tetrapods which lived in the Mississippian sub-period, a subdivision of the Carboniferous period. It contains the genera Pederpes, Whatcheeria, and possibly
Eucritta 1DB white background