- Propose deleting Category:Archaea described in the 1920s
- Propose deleting Category:Archaea described in the 1970s
- Propose deleting Category:Archaea described in the 1980s
- Propose deleting Category:Archaea described in the 1990s
- Propose deleting Category:Archaea described in the 2000s
- Propose deleting Category:Archaea described in the 2010s
- Propose deleting Category:Species described in the 1750s
- Propose deleting Category:Species described in the 1760s
- Propose deleting Category:Species described in the 1770s
- Propose deleting Category:Species described in the 1780s
- Propose deleting Category:Species described in the 1790s
- Propose deleting Category:Species described in the 1800s
- Propose deleting Category:Species described in the 1810s
- Propose deleting Category:Species described in the 1820s
- Propose deleting Category:Species described in the 1830s
- Propose deleting Category:Species described in the 1840s
- Propose deleting Category:Species described in the 1850s
- Propose deleting Category:Species described in the 1860s
- Propose deleting Category:Species described in the 1870s
- Propose deleting Category:Species described in the 1880s
- Propose deleting Category:Species described in the 1890s
- Propose deleting Category:Species described in the 1900s
- Propose deleting Category:Species described in the 1910s
- Propose deleting Category:Species described in the 1920s
- Propose deleting Category:Species described in the 1930s
- Propose deleting Category:Species described in the 1950s
- Propose deleting Category:Species described in the 1960s
- Propose deleting Category:Species described in the 1970s
- Propose deleting Category:Species described in the 1980s
- Propose deleting Category:Species described in the 1990s
- Propose deleting Category:Species described in the 2000s
- Propose deleting Category:Species described in the 2010s
- Propose deleting Category:Fossil taxa described in the 1750s
- Propose deleting Category:Fossil taxa described in the 1760s
- Propose deleting Category:Fossil taxa described in the 1770s
- Propose deleting Category:Fossil taxa described in the 1780s
- Propose deleting Category:Fossil taxa described in the 1790s
- Propose deleting Category:Fossil taxa described in the 1800s
- Propose deleting Category:Fossil taxa described in the 1810s
- Propose deleting Category:Fossil taxa described in the 1820s
- Propose deleting Category:Fossil taxa described in the 1830s
- Propose deleting Category:Fossil taxa described in the 1840s
- Propose deleting Category:Fossil taxa described in the 1850s
- Propose deleting Category:Fossil taxa described in the 1860s
- Propose deleting Category:Fossil taxa described in the 1870s
- Propose deleting Category:Fossil taxa described in the 1880s
- Propose deleting Category:Fossil taxa described in the 1890s
- Propose deleting Category:Fossil taxa described in the 1900s
- Propose deleting Category:Fossil taxa described in the 1910s
- Propose deleting Category:Fossil taxa described in the 1920s
- Propose deleting Category:Fossil taxa described in the 1930s
- Propose deleting Category:Fossil taxa described in the 1940s
- Propose deleting Category:Fossil taxa described in the 1950s
- Propose deleting Category:Fossil taxa described in the 1960s
- Propose deleting Category:Fossil taxa described in the 1970s
- Propose deleting Category:Fossil taxa described in the 1980s
- Propose deleting Category:Fossil taxa described in the 1990s
- Propose deleting Category:Fossil taxa described in the 2000s
- Propose deleting Category:Fossil taxa described in the 2010s
- Propose deleting Category:Taxa described in the 1800s
- Propose deleting Category:Taxa described in the 1810s
- Propose deleting Category:Taxa described in the 1820s
- Propose deleting Category:Taxa described in the 1830s
- Propose deleting Category:Taxa described in the 1840s
- Propose deleting Category:Taxa described in the 1850s
- Propose deleting Category:Taxa described in the 1860s
- Propose deleting Category:Taxa described in the 1870s
- Propose deleting Category:Taxa described in the 1880s
- Propose deleting Category:Taxa described in the 1890s
- Propose deleting Category:Taxa described in the 1900s
- Propose deleting Category:Taxa described in the 1910s
- Propose deleting Category:Taxa described in the 1920s
- Propose deleting Category:Taxa described in the 1930s
- Propose deleting Category:Taxa described in the 1940s
- Propose deleting Category:Taxa described in the 1950s
- Propose deleting Category:Taxa described in the 1960s
- Propose deleting Category:Taxa described in the 1970s
- Propose deleting Category:Taxa described in the 1980s
- Propose deleting Category:Taxa described in the 1990s
- Propose deleting Category:Taxa described in the 2000s
- Propose deleting Category:Taxa described in the 2010s
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