Ootolith (Fish Ear Fossil)

Ootoliths (aka fish ears) fossils found in the Stone City Formation (Whiskey Bridge) of Brazos River, Texas.  Fish swam around in the Eocene.

Thanks to Dave M. for the fossils.

Onchosaurus maroccanus? Shark Fossil

Onchosaurus maroccanus? shark vertebrate fossil found in the phosphate beds of Khourigba, Morocco. Animal swam the seas in both the Cretaceous and Eocene Periods.

Thanks to Dave M. for the fossils.

Symmorium Shark Tooth

Symmorium reniforme? shark tooth fossil found in the Indian Springs Formation of Crawford County, Indiana. The shark swam around in Mississippian Period seas. Fossil is quite small thus magnified 80x with a 4 mm field of view.  This is my second tooth find with the first being a Deltodus sp. that can be seen in this posting: CLICK HERE.