Fossili

Miocene (5–23 Ma) - North Carolina coast, USA Altro

Cambrian (506 - 492 Ma) - Trondheim Norway Altro

Eocene (35–50 million years) - Baltic coast Altro

PERMIAN-Rotliegend limestone bank Odernheim, Rhineland-Palatinate 290 mill. years Altro

Cretaceous (110 Million years old) - Madagascar Altro

Ordovician, 450 million years - Erfoud, Morocco Altro

Late Cretaceous Period (93-100 mya) - Kem Kem, Morocco Altro

Pleistocene - North Sea Altro

Miocene (10-20 milj j) - North Carolina, USA Altro

Middle Devonian (410-360 mil y) - Ofaten, Morocco Altro

Miocene (5–23 Ma) - North Carolina coast, USA Altro

5 to 2.5 mya, Pliocene Altro

Cretaceous, Cenomanien - Cap Blanc Nez, France Altro

Lower Cretaceous - Chapada Araripe, Brazil Altro

Eocene (35–50 million years) - Baltic coast Altro

Cretaceous (94–108 million years old) - Morocco Altro

Cretaceous Lower Cenomanium (approx. 110 - 90 mya) - Kem Kem basin, Taouz, Morocco Altro

Permian Unterrotliegend Meisenheim Rhineland-Palatinate 280 million years Altro

Cretaceous (108-94 million years old) - Morocco Altro

Cretaceous (112 - 97 mil j) - Kem Kem, Morocco Altro

Cretaceous (110 Million years old) - Madagascar Altro