440 Million Year Old Silurian Trilobite fossil trilobite crown fossil

Description

size：mm
There is a row of protruding small tumors on the edge of the head, which looks like a crown, hence the name. The number of segments of the tail central axis is more than that of the two side ribs. The size is as shown in the figure!
Origin: Xiangxi, Hunan Province, China
Age: Silurian