# Saperion

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> Source: https://en.wikipedia.org/wiki/Saperion
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{{Short description|Extinct genus of arthropod}}
{{Automatic taxobox
| fossil_range = {{fossilrange|Cambrian Stage 3}}
| image = 玉溪市博物馆-寒武纪早期-云南澄江-膜状谜虫 Saperion glumaceum.jpg
| image_caption = Fossil of ''Saperion glumaceum'' in [Yuxi](/source/Yuxi) Museum
| display_parents = 3
| taxon = Saperion
| authority = Hou, Ramsköld & Bergström, 1991
| type_species = '''''Saperion glumaceum'''''
| type_species_authority = Hou, Ramsköld & Bergström, 1991
| subdivision_ranks = 
| subdivision = 
}}
thumb|diagrammatic reconstruction
'''''Saperion''''' is an [extinct](/source/extinct) [genus](/source/genus) of [trilobite](/source/trilobite)-like [arthropod](/source/arthropod). It lived during the late [Atdabanian](/source/Atdabanian) stage,<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|page=560| year = 2002| url = http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class| access-date = 2008-01-12 }}</ref> which lasted from 521 to 514 million years ago during the early part of the [Cambrian Period](/source/Cambrian_Period). It was found in the [Maotianshan Shales](/source/Maotianshan_Shales) of [Yunnan](/source/Yunnan), [China](/source/China).<ref>{{Cite journal|last1=Xianguang|first1=Hou|last2=Ramskold|first2=Lars|last3=Bergstrom|first3=Jan|date=October 1991|title=Composition and preservation of the Chengjiang fauna -a Lower Cambrian soft-bodied biota|journal=Zoologica Scripta|language=en|volume=20|issue=4|pages=395–411|doi=10.1111/j.1463-6409.1991.tb00303.x|s2cid=85077111|issn=0300-3256}}</ref> Similar to the closely related ''[Skioldia](/source/Skioldia)'' and ''[Tegopelte](/source/Tegopelte)'', the head shield and trunk tergites were fused into a single plate. There are about 19 furrows indicating the original trunk segments. a small anterior sclerite articulated to the front of its head.<ref>{{Cite book |last1=Hou |first1=Xianguang |title=Arthropods of the Lower Cambrian Chengjiang fauna, southwest China |last2=Bergström |first2=Jan |date=1997 |publisher=Scandinavian Univ. Press |isbn=978-82-00-37693-4 |series=Fossils and Strata |location=Oslo}}</ref> A pair of [antennae](/source/Antenna_(biology)) and lateral eyes located ventrally behind the anterior sclerite, lateral to the hypostome.<ref>{{Cite journal |last1=Edgecombe |first1=Gregory D. |last2=Ramsköld |first2=Lars |date=March 1999 |title=Relationships of Cambrian Arachnata and the systematic position of Trilobita |url=https://www.cambridge.org/core/journals/journal-of-paleontology/article/abs/relationships-of-cambrian-arachnata-and-the-systematic-position-of-trilobita/208B20094C20C38E688044F130A1CC04 |journal=Journal of Paleontology |language=en |volume=73 |issue=2 |pages=263–287 |doi=10.1017/S0022336000027761 |bibcode=1999JPal...73..263E |s2cid=84029615 |issn=0022-3360|url-access=subscription }}</ref> ''Saperion'' reached 151&nbsp;mm in length and had nearly 25 pairs of biramous limbs for walking.<ref>{{Cite journal |author=Nicholas J. Minter, M. Gabriela Mángano & Jean-Bernard Caron |year=2011 |title=Skimming the surface with Burgess Shale arthropod locomotion |journal=[Proceedings of the Royal Society B: Biological Sciences](/source/Proceedings_of_the_Royal_Society_B%3A_Biological_Sciences) |volume= 279 |issue=1733 |pages= 1613–1620|doi=10.1098/rspb.2011.1986 |pmid=22072605 |pmc=3282348}}</ref>

==References==
{{Reflist}}

{{Artiopoda}}
{{Taxonbar|from=Q11305050}}

Category:Cambrian life
Category:Artiopoda
Category:Fossil taxa described in 1991
Category:Monotypic artiopod genera

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