Everything about Aptenodytes totally explained
The
genus Aptenodytes (from the
Ancient Greek a/α 'without'
pteno-/πτηνο- 'feather' or 'wing' and
dytes/δυτης 'diver') contains two extant
species of
penguins collectively known as "the great penguins".
Ridgen's Penguin (
Aptenodytes ridgeni) is an
extinct species known from
fossil bones of Early or Late
Pliocene age.
Molecular studies have shown the genus
Aptenodytes be basal to all other living penguins, that's the genus split off from a branch which led to all other species. DNA evidence suggests this split occurred around 40 million years ago.
This had been foreshadowed by an attempt to classify penguins by their behaviour, which also predicted the genus' basal nature.
Further Information
Get more info on 'Aptenodytes'.
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