2012 in arthropod paleontology

	…; 2009; 2010; 2011; 2012; 2013; 2014; 2015; …;
	In paleontology 2009 2010 2011 2012 2013 2014 2015 In science 2009 2010 2011 2012 2013 2014 2015 In reptile paleontology 2009 2010 2011 2012 2013 2014 2015 In paleobotany 2009 2010 2011 2012 2013 2014 2015 In paleoentomology 2009 2010 2011 2012 2013 2014 2015 In paleomalacology 2009 2010 2011 2012 2013 2014 2015 In archosaur paleontology 2009 2010 2011 2012 2013 2014 2015 In mammal paleontology 2009 2010 2011 2012 2013 2014 2015 In paleoichthyology 2009 2010 2011 2012 2013 2014 2015
	Art; Archaeology; Architecture; Literature; Music; Philosophy; Science +...;

This list of fossil arthropods described in 2012 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every kind that have been described during the year 2012. The list only includes taxa at the level of genus or species.