tag:blogger.com,1999:blog-3927143376177050152.post4298806037221589309..comments2024-03-17T15:39:40.524-04:00Comments on Louisville Fossils and Beyond: Hemiaster whitei FossilMichael Popphttp://www.blogger.com/profile/16741723962997816729noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-3927143376177050152.post-42269581787334537872009-12-22T09:20:59.298-05:002009-12-22T09:20:59.298-05:00The bottom one is the Hemiaster. The top one with...The bottom one is the Hemiaster. The top one with the long sulcus (groove) would be a Heteraster (old name Epiaster if I recall correctly).LanceHallhttps://www.blogger.com/profile/00283862388779386952noreply@blogger.com