Lunataspis

Lunataspis 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][3]

Lunataspis
Temporal range: 445 Ma
↓
Earliest Hirnantian
Reconstruction of Lunataspis aurora
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Order: Xiphosura
Suborder: Xiphosurida
Genus: †Lunataspis
Rudkin, Young & Nowlan, 2008
Type species
†Lunataspis aurora
Rudkin, Young & Nowlan, 2008

See also

References
  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
  3. Dunlop, J. A., Penney, D. & Jekel, D. 2015. A summary list of fossil spiders and their relatives. In World Spider Catalog. Natural History Museum Bern, online at https://wsc.nmbe.ch, version 18.5 https://www.wsc.nmbe.ch/resources/fossils/Fossils18.5.pdf (PDF).


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