Ducks (lat. Alca , obsolete. Penguins , lat. Pinguinus ) - a genus of seabirds from the family of purebred ( Alcidae ). First described by Carl Linnaeus in 1758 [1] .
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 Wingless loon | |||||||||||||||||||||||||||||||||
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Alca ( Linnaeus , 1758 ) | |||||||||||||||||||||||||||||||||
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- † Alca ausonia
- † Alca carolinensis - a fossil species that lived in the Pleistocene about 5.3-3.6 million years ago in the state of North Carolina, USA. First described in 2011 on the basis of a partial skeleton [2] .
- Alca grandis
- † Alca impennis ( wingless loon )
- † Alca minor - a fossil species that lived in the Pleistocene about 5.3-3.6 million years ago in North Carolina, USA. First described in 2011 on the basis of a partial skeleton [2] .
- † Alca olsoni — a fossil species that lived in the Pleistocene about 5.3–3.6 million years ago in North Carolina, USA. First described in 2011 based on a partial skeleton. Holotype USNM 454590 consists of a partial skeleton. He was a land predator [2] .
- † Alca stewarti
- Alca torda ( Loon )
Notes
- ↑ C. Linnaeus. 1758. Systema Naturae per Regna Tria Naturae, secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. Tomus I. Laurentii Salvii, Holmiae (Stockholm) 1-823.
- ↑ 1 2 3 NA Smith and JA Clarke. 2011. An alphataxonomic revision of extinct and extant razorbills (Aves, Alcidae): A combined morphometric and phylogenetic approach. Ornithological Monographs 72 (1): 1–61.
Literature
- Lunks // Brockhaus and Efron Encyclopedic Dictionary : in 86 volumes (82 volumes and 4 additional). - SPb. , 1890-1907.