Aves - Anseriformes - Anatidae
Full reference: H. Matsuoka and Y. Hasegawa. 2022. Annakacygna, a new genus for two remarkable flightless swans (Aves, Anatidae, Cygnini) from the Miocene of Gunma, central Japan: With a note on the birds’food niche shift and specialization of wings for parental care actions. Bulletin of the Gunma Museum of Natural History 26:1-30
Belongs to Annakacygna according to H. Matsuoka and Y. Hasegawa 2022
Sister taxa: none
Type specimen: GMNH-PV-678, a partial skeleton (nearly complete associated but disarticulated skeleton). Its type locality is Usui River, which is in a Tortonian marine horizon in the Haraichi Formation of Japan.
Ecology: volant folivore-granivore
Distribution: found only at Usui River
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.