{{For|the region|Lothian}} {{Taxobox | fossil_range = late Lower Cambrian (Lower ''Olenellus-zone'') {{Geological range|524|518.5}} <ref name="Sepkoski">{{cite journal |last=Sepkoski |first=Jack |title=A compendium of fossil marine animal genera (Trilobita entry) |journal=Bulletins of American Paleontology |volume=364 |pages=560 |year=2002 |url=http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class |accessdate=2008-01-12 |url-status=dead |archiveurl=https://web.archive.org/web/20060905162524/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class |archivedate=2006-09-05 }}</ref> | regnum = Animalia | phylum = Arthropoda | classis = Trilobita | ordo = Redlichiida | superfamilia = Olenelloidea | familia = Laudoniidae | subfamilia = "Laudoniinae"<ref name='Lieberman 1999'>{{cite journal|last1= Lieberman|first1=B. S.|year=1999|title=Systematic Revision of the Olenelloidea (Trilobita, Cambrian)|journal=Bulletin of the Peabody Museum of Natural History|volume=45|url=http://archive.peabody.yale.edu/scipubs/bulletins_postillas/ypmB45_1999.pdf}}</ref><ref name='Lieberman 1998'>{{cite journal|last=Lieberman|first=B.S.|year=1998|title=Cladistic Analysis of the Early Cambrian Olenelloid Trilobites|journal=Journal of Paleontology|volume=72|issue=1|pages=59–78|doi=10.1017/S0022336000024021|bibcode=1998JPal...72...59L |s2cid=86307339 |url=http://invitestock.free.fr/Cambrien/pdf/Spanish%20fauna/Cladistic%20Analysis%20of%20the%20Early%20Cambrian%20Olenelloid%20Trilobites.pdf}}</ref> |genus = '''''Laudonia''''' | genus_authority = Harrington, 1956 | subdivision_ranks = Species | subdivision = * ''L. bispinata'' <small>Harrington, 1956</small>, (type)<ref name='Lieberman 1999'/> * ''L. amputata'' <small>Fritz, 1992</small><ref name='Lieberman 1999'/> <!--- ''Laudonia prima'' <small>(Lichman)</small><ref>http://www.westerntrilobites.com/Species/L.prima.htm {{Bare URL inline|date=May 2022}}</ref> is mentioned for Inyo-White Mountains, Eastern California, Lower Cambrian, Lower Olenellus Faunule, Bonnia-Olenellus Biozone, Poleta, Harkless, Saline Valley, or Mule Spring Limestone Fms. ---> }}
'''''Laudonia''''' is an extinct genus of trilobites that lived during the early part of the Botomian stage,<ref name="Sepkoski"/> which lasted from approximately 524 to 518.5 million years ago. This faunal stage was part of the Cambrian Period. There are currently two named species assigned to it.
== Distribution == * ''L. bispinata'' has been collected from the Early Cambrian of Alberta (Lower ''Olenellus'' zone, Mural Formation, Mumm Peak Section, immediately west of Mumm Peak and north of Mount Robson Provincial Park, near Mural Glacier) and of British Columbia (Cinnamon Peak-Whitehorn Mtn. Section: Dyeran) Canada.<ref name="Fritz 1992">W. H. Fritz. 1992. Walcott's Lower Cambrian Olenellid trilobite collection 61k, Mount Robson Area, Canadian Rocky Mountains. Geological Survey of Canada Bulletin 432 (432)1-66</ref>) * ''L. amputata'' is found in the Early Cambrian of Alberta (Lower ''Olenellus'' zone, Mural Formation, Mumm Peak Section, immediately west of Mumm Peak and north of Mount Robson Provincial Park, near Mural Glacier).<ref name="Fritz 1992"/> * ''Laudonia'' sp. is mentioned from the Lower Cambrian of the Caborca Region, Mexico (Puerto Blanco Formation, Cerro Rajon).<ref>J. Stewart, M. A. S. McMenamin, and J. M. Morales-Ramirez. 1984. Upper Proterozoic and Cambrian rocks in the Caborca Region, Sonora, Mexico - physical stratigraphy, biostratigraphy, paleocurrent studies, and regional relations. U. S. Geological Survey Professional Papers (1309)1-33</ref>
== References == {{Reflist}}
{{Taxonbar|from=Q6497901}}
Category:Olenelloidea Category:Redlichiida genera Category:Cambrian trilobites of North America Category:Paleozoic life of Alberta Category:Paleozoic life of British Columbia Category:Cambrian genus extinctions
{{Redlichiida-stub}}