• DOI:10.1111/J.1475-4983.2007.00746.X
Corpus ID: 62891048

THE OLDEST HORSESHOE CRAB: A NEW XIPHOSURID FROM LATE ORDOVICIAN KONSERVAT-LAGERSTÄTTEN DEPOSITS, MANITOBA, CANADA

@article{Rudkin2008THEOH,
  title={THE OLDEST HORSESHOE CRAB: A NEW XIPHOSURID FROM LATE ORDOVICIAN KONSERVAT-LAGERST{\"A}TTEN DEPOSITS, MANITOBA, CANADA},
  author={D. Rudkin and G. Young and G. Nowlan},
  journal={Palaeontology},
  year={2008},
  volume={51},
  pages={1-9}
}

• D. Rudkin, G. Young, G. Nowlan
• Published 2008
• Geology
• Palaeontology

A remarkable new fossil horseshoe crab, Lunat- aspis aurora gen. et sp. nov., from recently discovered Upper Ordovician (c. 445 Ma) shallow marine Konservat-Lagerstat- ten deposits in Manitoba (Canada), is characterized by fusion of opisthosomal tergites into two sclerites. A broad mesosoma of six or seven fused segments, followed by a narrow metasoma of three reduced segments, represents an advanced transitional condition in the development of the xiphosurid thoracetron. Lunataspis further… Expand