| Mancallinae Temporal range: Miocene – Pleistocene,
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|---|---|
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| Holotype of Miomancalla howardi | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Charadriiformes |
| Clade: | Pan-Alcidae |
| Clade: | †Mancallinae L. Miller, 1946 |
| Type species | |
| Mancalla californiensis Lucas, 1901
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| Genera | |
Mancallinae is an extinct subfamily of prehistoric flightless alcids that lived on the Pacific coast of today's California and Mexico from the late Miocene epoch to the early Pleistocene (ranging from at least 7.4 million to 470,000 years ago).[1] They are sometimes collectively referred to as Lucas auks after the scientist who described the first species, Frederic Augustus Lucas.