Saukiid trilobites from the middle−upper Chaumitien Formation (Furongian, Cambrian) in northern Anhui
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Abstract:
Hundreds of specimens of saukiid trilobites were collected from the middle?upper Chaumitien Formation (upper Jiangshanian through Stage 10, Cambrian) at Fenghuangshan Hill in northern Anhui, China. Four genera and six species (including two new species) are described herein: Eosaukia bella (Walcott, 1906), E. anhuiensis sp. nov., Lophosaukia orientalis (Kobayashi, 1933), Prosaukia campe (Walcott, 1905) and P. xiaoxianensis sp. nov., Lichengia onigawara Kobayashi, 1942. After revising and discussing the generic diagnoses, we reexamine and revise the specific diagnoses of the four previously-published species by comparing their type species with others, and briefly discuss the evolutionary relationships among all six species.
