04945 - Stunning Heteromorph Ammonites Acrioceras sp 4.04 Inch Lower Cretaceous Spinosaurus teeth That's why next we include

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

87 Inch = 22

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

24 Inch = 6 mm

This species is always characterized by 5 to 7 crests

04945 - Stunning Heteromorph Ammonites Acrioceras sp 4.04 Inch Lower Cretaceous Spinosaurus teeth That's why next we includeThe 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