| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Aythya affinis (lesser scaup)
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) and 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) and Clements et al. (2017).
It was recombined as Marila affinis by Hay (1930); it was recombined as Nyroca affinis by Wetmore (1931) and 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) and Clements et al. (2017).
Synonymy list
| Year | Name and author |
|---|---|
| 1838 | Fuligula affinis Eyton |
| 1930 | Marila affinis Hay p. 307 |
| 1931 | Nyroca affinis Wetmore p. 22 |
| 1940 | Nyroca (Fulix) affinis Wetmore p. 26 |
| 1942 | Nyroca affinis Miller and DeMay p. 88 |
| 1956 | Aythya affinis Wetmore p. 32 |
| 1973 | Aythya affinis Brodkorb and Phillips p. 439 |
| 1992 | Aythya affinis Emslie p. 257 |
| 1992 | Aythya affinis Parmalee p. 310 |
| 2001 | Aythya affinis Olson and Rasmussen p. 285 |
| 2003 | Aythya affinis Steadman et al. |
| 2004 | Aythya affinis Broughton p. 20 |
| 2010 | Aythya affinis Guthrie p. 3 |
| 2017 | Aythya affinis Clements et al. |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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]
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
|
|
||||
| Source: subf = subfamily, o = order | |||||
| References: Sedinger 1997, Marsh 1875 | |||||
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Zanclean | USA (North Carolina) | Aythya affinis (52582) | |
| Irvingtonian | USA (Florida) | Aythya affinis (20400) | |
| Middle Pleistocene | USA (Colorado) | Aythya affinis (20358) | |
| Late/Upper Pleistocene (interglacial) | USA (Florida) | Aythya affinis (20595 20636) | |
| Late/Upper Pleistocene | USA (Oregon) | Nyroca affinis (93251) | |
| Late/Upper Pleistocene | USA (California) | Aythya affinis (176267) Nyroca affinis (44954) | |
| Late/Upper Pleistocene | USA (Michigan) | Aythya affinis (63225) | |
| Late/Upper Pleistocene | USA (Florida) | Nyroca affinis (20638) | |
| Late/Upper Pleistocene | Mexico (Mexico) | Aythya affinis (71320) | |
| Late/Upper Pleistocene (glacial) | USA (Florida) | Nyroca affinis (154771) | |
| Late/Upper Pleistocene | Mexico (Jalisco) | Aythya affinis (192628) | |
| Holocene | Mexico (Chiapas) | Aythya affinis (195047) | |
| Holocene | USA (Ohio) | Aythya affinis (195062) | |
| Holocene | USA (California) | Aythya affinis (194907 194913) | |
| Holocene | Panama | Aythya affinis (195070) |