This is a example of Hyolith of the species Linevitus optimus from the lower Cambrian of Chengjiang.
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Location: | Chengjiang, eastern Yunnan Province, South China | ||
Size trilobite: | about 16 mm long | ||
Age: | Lower Cambrian, Heilinpu Fm., Yu'anshan Member, (about. 522 Mill. y.o.) |