fossil
Fossilized Mosasaur Tooth
Mosasauridae (likely Prognathodon or Mosasaurus)
Hardness: 5 (Enamel), Color: Brownish-tan to greenish-grey, Luster: Vitreous/Dull, Conical shape with slight curve and vertical striations, Specific gravity: ~2.8-3.0
Identified More fossil →
Explore Fossilized Mosasaur Tooth in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness: 5 (Enamel), Color: Brownish-tan to greenish-grey, Luster: Vitreous/Dull, Conical shape with slight curve and vertical striations, Specific gravity: ~2.8-3.0
Formation & geological history
Formed during the Late Cretaceous period (approx. 66-100 million years ago) through permineralization in marine sedimentary environments. Commonly found in phosphate mines.
Uses & applications
Educational specimens, museum exhibits, fossil collecting, and occasionally used in unique jewelry.
Geological facts
Mosasaurs were apex marine reptiles, not dinosaurs. They could reach lengths of 50 feet and are closely related to modern monitor lizards and snakes.
Field identification & locations
Identified by its conical, teardrop-shaped cross-section and distinct root attachment. Most common commercial specimens are sourced from the Oulad Abdoun Basin in Morocco.
More like this
Other fossil specimens
Crinoid Stem Fossil in Matrix
Phylum Echinodermata, Class Crinoidea
fossil
Sedimentary Outcrop (Sandstone/Shale)
Sedimentary bedrock formation (variable composition)
sedimentary
Fossiliferous Limestone
Fossiliferous Calcilutite / Biomicrite
sedimentary
Fossiliferous Limestone
Biogenic Limestone with Brachiopod/Crinoid fragments
sedimentary
Fossilized Crinoid Stem in Limestone
Crinoidea (Class) in Calcium Carbonate (CaCO3) matrix
fossil
Fossiliferous Limestone
Limestone with embedded fossil cross-section
sedimentary