Zuninaspis Explained

Zuninaspis is an extinct genus of trilobite arthropod. It lived during the Arenig stage of the Ordovician Period,[1] approximately 478 to 471 million years ago in what is now Argentina.[2]

Notes and References

  1. Sepkoski . Jack . A compendium of fossil marine animal genera (Trilobita entry) . Bulletins of American Paleontology . 364 . 560 . 2002 . 2008-01-12 . dead . https://web.archive.org/web/20060905162524/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class . September 5, 2006.
  2. http://www.fossilworks.org/cgi-bin/bridge.pl?action=taxonInfo&taxon_no=12497&is_real_user=1 Zuninaspis

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