This unique Pentremites sp. blastoid fossil was found in the Indian Springs Formation of Crawford County, Indiana, USA. It is unique beca...

This crinoid calyx was recently cleaned using a sand abrasive technique. The cleaning revealed a small holdfast at the base of the cri...

This Trimerus delphinocephalus (Green, 1832) trilobite has been prepped using a dental tool and toothbrush. This particular picture has b...