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Aythya affinis (lesser scaup)

Osteichthyes - Anseriformes - Anatidae

Taxonomy
Fuligula affinis was named by Eyton (1838) [This isn't quite right. Eyton named the species, but did not place it in the genus Aythya. ]. It is extant.

It was recombined as Marila affinis by Hay (1930); it was recombined as Nyroca affinis by Wetmore (1931), Miller and DeMay (1942); it was recombined as Nyroca (Fulix) affinis by Wetmore (1940); it was recombined as Aythya affinis by Wetmore (1956), Brodkorb and Phillips (1973), Emslie (1992), Parmalee (1992), Olson and Rasmussen (2001), Steadman et al. (2003), Broughton (2004), Guthrie (2010), Clements et al. (2017).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1838Fuligula affinis Eyton
1930Marila affinis Hay p. 307
1931Nyroca affinis Wetmore p. 22
1940Nyroca (Fulix) affinis Wetmore p. 26
1942Nyroca affinis Miller and DeMay p. 88
1956Aythya affinis Wetmore p. 32
1973Aythya affinis Brodkorb and Phillips p. 439
1992Aythya affinis Emslie p. 257
1992Aythya affinis Parmalee p. 310
2001Aythya affinis Olson and Rasmussen p. 285
2003Aythya affinis Steadman et al.
2004Aythya affinis Broughton p. 20
2010Aythya affinis Guthrie p. 3
2017Aythya affinis Clements et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
RankNameAuthor
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Theropoda()
Neotheropoda
AverostraPaul 2002
Tetanurae
Coelurosauria()
Maniraptora
Paraves
classAves
subclassNeornithesGadow 1893
Neognathae(Pycraft 1900)
PangalloanseraeGauthier and de Queiroz 2001
GalloanseraeSibley and Ahlquist 1990
superorderGalloanserimorphae
orderAnseriformesWagler 1831
familyAnatidaeVigors 1825
subfamilyAnatinaeVigors 1825
tribeAythyini
genusAythyaBoie 1822
speciesaffinis(Eyton 1838)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Aythya affinis Eyton 1838 [lesser scaup]
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Diagnosis
No diagnoses are available