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APA Citation
Peng, S., Babcock, L. E., Zhu, X., Lei, Q., & Dai, T. (2017). revision of the oryctocephalid trilobite genera Arthricocephalus Bergeron and Oryctocarella Tomashpolskaya and Karpinski (Cambrian) from South China and Siberia. Journal of paleontology, 91, 933–959. http://access.bl.uk/ark:/81055/vdc_100049407553.0x00003f