This image is of some fossil teeth of the Mako shark aka Isurus planus (Agassiz, 1856) on display at Mace Brown Museum of Natural History (...

  My cousin Kenny just finished prepping this fossil using a dental tool and engraver to uncover mostly a whole trilobite. It appears to be ...

  While reviewing some pages from the The Journal of the Cincinnati Society of Natural History Volume V Number 8 October 1882 article ...