''Shiriyanetta hasegawai'' is an extinct species of
seaduck
The sea ducks (''Mergini'') are a tribe of the duck subfamily of birds, the Anatinae. The taxonomy of this group is incomplete. Some authorities separate the group as a subfamily, while others remove some genera. Most species within the group sp ...
from the Pleistocene of
Japan. It was flightless, similar to the also extinct ''
Chendytes'' from the opposite side of the Pacific.
References
Merginae
Extinct flightless birds
Late Quaternary prehistoric birds
Extinct animals of Japan
Fossil taxa described in 2015
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