30359 - Museum Grade 1.85 Inch Altiocculus harrisi Middle Cambrian Trilobite - Utah USA Carcharodontosaurus This vertebra has been stabilized
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Description
This vertebra has been stabilized on its surface by Paraloid B-72 to ensure its stability and consistency
not like many which are sold online
Coloborhynchus clavirostris and Uktenadactylus probably formed together a clade within Anhangueridae
7 Magnetic suscept
Under petrography microscope
30359 - Museum Grade 1.85 Inch Altiocculus harrisi Middle Cambrian Trilobite - Utah USA Carcharodontosaurus This vertebra has been stabilizedAltiocculus harrisi (Robison, 1971) Middle Cambrian Wheeler Formation House Range, Utah, U. S. A.