05024 - Stunning Pyritized 1.59 Inch Phylloceras Lower Cretaceous Ammonites Shark Teeth Collection comparison with literature and publication

comparison with literature and publication

This type of restorations and compositions are sometimes performed by local excavators in order to take advantage of all the tooth fragments

they have been classified as the Dromaeosauridae and the Abelisauridae families

this taxon was classified as Plesiosaurus mauritanicus

Beautiful specimen

05024 - Stunning Pyritized 1.59 Inch Phylloceras Lower Cretaceous Ammonites Shark Teeth Collection comparison with literature and publicationSpecimen of extreme quality. His suture lines are wonderfully well detailed. It is naturally pyritized. It has undergone a taphonomic process of permineralization in Iron Sulfide (Pyrite). Permineralization is a process of fossilization in which mineral deposits form internal casts of organisms.