Category:Animals by year of formal description
 | This is a container category. Due to its scope, it should contain only subcategories. |
Year that the taxon was first scientifically described. Most often the same year as in the author citation, but this is not always the case (see nomen novum, nomen conservandum, nomen oblitum).
Subcategories
This category has the following 8 subcategories, out of 8 total.