Alca
Temporal range: Miocene - Recent
Razorbill (Alca torda)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Charadriiformes
Family: Alcidae
Tribe: Alcini
Genus: Alca
Linnaeus, 1758
Species
  • Alca torda
  • †Alca ausonia
  • †Alca carolinensis
  • †Alca grandis
  • †Alca minor
  • †Alca olsoni
  • †Alca stewarti

Alca is a genus of charadriiform bird that contains a single extant species, the razorbill (Alca torda). Many fossil species are known, the oldest dating back to the Miocene. The genus appears to have always been restricted to the North Atlantic.[1]

References

  1. ↑ Smith, N.A.; Clarke, J.A. (2011). "An Alphataxonomic Revision of Extinct and Extant Razorbills (Aves, Alcidae): A Combined Morphometric and Phylogenetic Approach". Ornithological Monographs. 72: 1–61. doi:10.1525/om.2011.72.1.1.
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