| 词条 | Syspacheilus |
| 释义 |
|name = Syspacheilus |fossil_range = Dresbachian[1] |regnum = Animalia |phylum = Arthropoda |classis = Trilobita |ordo = Ptychopariida |superfamilia = Ptychoparioidea |familia = Marjumiidae |genus = Syspacheilus }}Syspacheilus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the Dresbachian faunal stage of the late Cambrian Period.[1] References1. ^1 {{cite journal | last = Sepkoski| first = Jack| authorlink =| coauthors =| title = A compendium of fossil marine animal genera (Trilobita entry)| journal = Bulletins of American Paleontology| volume = 364| issue =|page=560| publisher =| location =| year = 2002| url = http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class| doi =| id =| accessdate = 2008-01-12 }} {{Portal|Paleontology}}{{Taxonbar|from=Q7663574}}{{Ptychopariida-stub}} 4 : Ptychoparioidea|Ptychopariida genera|Cambrian trilobites|Cambrian trilobites of North America |
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