New thylacocephalans from the Early Triassic Paris Biota (Bear Lake County, Idaho, USA).

Abstract : Two new genera and species of thylacocephalans (Arthropoda, Thylacocephala), Parisicaris triassica Charbonnier and Ligulacaris parisiana Charbonnier, are described from the early Spathian Paris Biota. These new occurrences are the first reports of thylacocephalans from Triassic rocks in North America. They considerably enlarge the spatiotemporal distribution of these enigmatic arthropods and highlight their relatively high generic richness during the Early Triassic. It also confirms that the Triassic was the taxonomically richest period for Thylacocephala.
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Submitted on : Thursday, November 21, 2019 - 11:31:46 AM
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Sylvain Charbonnier, Arnaud Brayard, Kevin G. Bylund, Gilles Escarguel, Emmanuel Fara, et al.. New thylacocephalans from the Early Triassic Paris Biota (Bear Lake County, Idaho, USA).. Geobios, Elsevier Masson, 2019, 54, pp.37-43. ⟨10.1016/j.geobios.2019.04.005⟩. ⟨hal-02168426⟩

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