Colymbus (Dytes) oligocaenus Shufeldt 1915

Aves - Colymbiformes - Colymbidae

Alternative combinations: Colymbus oligocaenus, Colymbus oligoceanus

Full reference: R. W. Shufeldt. 1915. Fossil birds in the Marsh Collection of Yale University. Transactions of the Connecticut Academy of Arts and Sciences 19:1-110

Belongs to Colymbus according to O. P. Hay 1930

See also Lambrecht 1933, Shufeldt 1915 and Wetmore 1956

Sister taxa: Colymbus (Colymbus), Colymbus (Dytes), Colymbus portisi, Colymbus subparvus

Type specimen: YPM 983, a limb element. Its type locality is Lower Willow Creek, which is in an Oligocene terrestrial horizon in Oregon.

Distribution: found only at Lower Willow Creek

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