# Mesonacinae

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> Markdown URL: https://mediated.wiki/source/Mesonacinae.md
> Source: https://en.wikipedia.org/wiki/Mesonacinae
> Source revision: 1270098027
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{{Short description|Extinct subfamily of trilobites}}
{{Automatic taxobox
| fossil_range = {{fossilrange|516|513}}[Botomian](/source/Botomian)
| image = Mesonacis_vermontanus.jpg
| image_upright = 0.8
| image_caption =  ''Mesonacis vermontanus'', late Lower Cambrian, Australia, Courtesy of Sam Gon III.
| taxon = Mesonacinae
| authority = Walcott, 1890
| subdivision_ranks = Genera
| subdivision =
* ''[Mesonacis](/source/Mesonacis)'' <small>Walcott, 1885</small><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://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB45_1999.pdf|access-date=2012-10-30|archive-date=2016-06-24|archive-url=https://web.archive.org/web/20160624111229/http://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB45_1999.pdf|url-status=dead}}</ref>
* ''[Mesolenellus](/source/Mesolenellus)'' <small>(Palmer & Repina, 1993)</small><ref name= 'Palmer&Repina'>{{citation|last1=Palmer|first1=A.R.|last2=Repina|first2=L.N.|year=1993|title=Through a Glass Darkly: Taxonomy, Phylogeny and Biostratigraphy of the Olenellina|journal=The University of Kansas Paleontological Contributions|volume=3|pages=1–35|url=http://kuscholarworks.ku.edu/dspace/handle/1808/3760}}</ref><ref name='Lieberman 1999'/>
}}

The '''Mesonacinae''' comprise an extinct [subfamily](/source/subfamily) of [trilobite](/source/trilobite)s that lived during the [Botomian](/source/Botomian), found in North-America, Greenland and North-Western Scotland. The two genera in this subfamily are ''[Mesonacis](/source/Mesonacis)'' and ''[Mesolenellus](/source/Mesolenellus)''.<ref name='Lieberman 1999'/>

==References==
{{Reflist}}

==External links==
*[http://www.trilobites.info/galredlichiida.htm ''Photo of M. vermontanus'']
*[http://www.trilobites.info ''Trilobite info'']

{{Taxonbar|from=Q6821537}}

Category:Olenellidae
Category:Cambrian trilobites
Category:Cambrian Series 2 first appearances
Category:Cambrian Series 2 extinctions
Category:Trilobite subfamilies

{{Redlichiida-stub}}

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Adapted from the Wikipedia article [Mesonacinae](https://en.wikipedia.org/wiki/Mesonacinae) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Mesonacinae?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.