A while back I was visiting my cousin Kenny and he had this fossil under the microscope. The field of view might be 4mm. It has a blue glo...

This fish fossil cast is a Stensioella heintzi (named for Erik Stensiö). It was collected Hunsrück, Budenbach, Germany. This fish fossil...

This fish fossil is a Rhabdoderma elegans ("striated skin"). It was collected Linton, Ohio, USA. This fish was a common freshw...