04945 - Stunning Heteromorph Ammonites Acrioceras sp 4.04 Inch Lower Cretaceous Spinosaurus teeth zennaroi is the basalmost tomistomine

zennaroi is the basalmost tomistomine

The serrations in its edges are very similar to the ones that would later acquire the Great White Shark

That's why next we include an interesting link where the Aoufous Formation and the Ifezouane Formation are described

24 Inch = 6 mm

04945 - Stunning Heteromorph Ammonites Acrioceras sp 4.04 Inch Lower Cretaceous Spinosaurus teeth zennaroi is the basalmost tomistomineThe Ancyloceratina were a diverse suborder of ammonite most closely related to the ammonites of order Lytoceratina. They evolved during the Late Jurassic but were not very common until the Cretaceous period, when they rapidly diversified and become one of the most distinctive components of Cretaceous marine faunas. They have been recorded from every continent and many are used as zonal or index fossils. The most distinctive feature of the majority of