''Chenoanas'' is an extinct
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
duck
Duck is the common name for numerous species of waterfowl in the family (biology), family Anatidae. Ducks are generally smaller and shorter-necked than swans and goose, geese, which are members of the same family. Divided among several subfam ...
from the
Miocene
The Miocene ( ) is the first epoch (geology), geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and mea ...
of
Eurasia
Eurasia ( , ) is a continental area on Earth, comprising all of Europe and Asia. According to some geographers, Physical geography, physiographically, Eurasia is a single supercontinent. The concept of Europe and Asia as distinct continents d ...
.
Three species have been described:
* †''Chenoanas sansaniensis''
(Milne-Edwards 1867) (early to middle Miocene of eastern Siberia and France) - originally described as a species of ''
Anas
''Anas'' is a genus of dabbling ducks. It includes the pintails, most teals, and the mallard and its close relatives. It formerly included additional species but following the publication of a molecular phylogenetic study in 2009 the genus was s ...
''
* †''C. deserta''
Zelenkov 2012 (middle Miocene of Western Mongolia)
* †''C. asiatica''
Zelenkov & Stidham 2018 (middle Miocene of Inner Mongolia (China) and Western Mongolia)
See also
*
2018 in paleontology
Flora Plants
Fungi
Cnidarians
Research
* New three dimensionally Phosphatic fossilization, phosphatized Micropaleontology#Microfossils, microfossils of Crown jellyfish, coronate scyphozoan ''Qinscyphus necopinus'', including a new type of ...
References
Anatidae
Fossil taxa described in 2012
Neogene birds of Asia
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