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Alca torda Linnaeus, 1758

You can select up to 8 checklists to perform a comparison of taxonomic authorities for this taxon and related concepts:

You can also use one of the pre-defined group of taxonomic authorities below:

The table provided below compares authorities for this taxon and related concept. Names in red are those that differ from the name in the column located immediately to the left.
Species concept         
* Alca torda  
Alca torda torda  
Alca torda torda (torda)  
[Alca torda torda (pica)]  
Alca torda islandica  
Alca torda islandica (islandica)  
[Alca torda islandica (britannica)]  

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