Biology:Synziphosurine
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Synziphosurines are a paraphyletic group of xiphosurid ancestors (within the class Xiphosura) from the Silurian to the Carboniferous periods.[1] The earliest accepted synziphosurines are Venustulus waukeshaensis, found in Early Silurian (Late Llandovery) deposits in Wisconsin, and Bembicosoma pomphicus, from the same period, known from deposits in Scotland.[1]
References
- ↑ 1.0 1.1 Rudkin, David M. (January 2008). "The Oldest Horseshoe Crab: A New Xiphosurid From Late Ordovician Konservat-Lagerstätten Deposits, Manitoba, Canada.". Palaeontology 51 (1): 1–9. doi:10.1111/j.1475-4983.2007.00746.x. http://www.museunacional.ufrj.br/mndi/Aracnologia/Xiphosura/Rudkin%20et%20al%202008.pdf.
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