This is a nice and well prepared nodule with a Cambrian Chinese Trilobite Damesella paronai. It is a nice one, good skin, good tuberculations , good size. The right genal spine was littel bit restored. It has a super skin color!  Damesellidae is a family of odontopleurid trilobites found in Middle to Late Cambrian  strata, primarily in Asia.
 
Damesella paronai
middle Cambrian
Drepanuridae Paronai zone
Kushanian Age
Kushan formation
Laiwu City
Shandon City
CHINA