Keywords: Pentremites Glen Dean Fm KY aboral.jpg en Pentremites godoni a blastoid from the Lower Carboniferous of Illinois; basal view of theca 2015-07-17 18 50 25 own Wilson44691 other versions cc-zero Uploaded with UploadWizard Carboniferous fossils from Illinois Blastoidea fossils Blastoidea Mississippian fossils |