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The bones have some fractures that have been glued and restored by the filling method
its excellent preservation is something much more difficult to find
Protoginglymostoma
Altaesajania
06104 - Top Quality Pyritized 1.39 Inch Unidentified Lower Cretaceous Ammonites Mammites nodosoides The bones have some fracturesSpecimen of extreme quality. Unidentified species. 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.
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