Lunataspis

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Lunataspis
Temporal range: Late Ordovician
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Merostomata
Order: Xiphosura
Family: Palaeolimulidae
Genus: Lunataspis
Rudkin, Young & Nowlan, 2008
Species: L. aurora
Binomial name
Lunataspis aurora
Rudkin, Young & Nowlan, 2008

Lunataspis aurora is the oldest known xiphosuran . It was first formally described by David Rudkin, Graham Young and Godfrey Nolan, from fossils found in northern Manitoba, Canada in 2005; the deposit dates from the Late Ordovician, c.445 million years ago.[1][2]

See also[edit]

References[edit]

  1. ^ David M. Rudkin, Graham A. Young & Godfrey S. Nowlan (2008). "The oldest horseshoe crab: a new xiphosurid from Late Ordovician Konservat-Lagerstätten deposits, Manitoba, Canada" (PDF). Palaeontology. 51 (1): 1–9. doi:10.1111/j.1475-4983.2007.00746.x. 
  2. ^ Chliboyko, J. Crabby Ancestors, Canadian Geographic Magazine, April 2008, p. 25