Category talk:Trilobite stubs

Useful links

 * http://fossilworks.org/bridge.pl?a=taxonInfo&taxon_no=19100
 * https://web.archive.org/web/20060905162524/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class
 * https://web.archive.org/web/20110106020446/http://www.trilobites.info/ordphacopida.htm --Fadesga (talk) 19:39, 17 November 2018 (UTC)