일반명:삼엽충(Trilobite)
학명:Brachyaspidion microps
크기: (가로+세로+두께) (46mm+40mm+11mm)
시대: 중기캄브리아기(Middle cambrian)
지층: Wheeler shale
원산지:미국 (USA) House range, utah
These Trilobite Brachyaspidion microps are from the Wheeler formation of central Utah and are Cambrian time period.