fossil

Otodus Shark Tooth

Otodus obliquus

Hardness: 5 (MoH scale); Color: Tan, beige, or brownish-grey enamel with a lighter root; Luster: Vitreous on enamel, dull on root; Crystal structure: Apatite-based mineral replacement; Cleavage: None

Hardness: 5 (MoH scale)
Color: Tan, beige, or brownish-grey enamel with a lighter root
Luster: Vitreous on enamel, dull on root

Identified July 8, 2026More fossil →

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Physical properties

Hardness: 5 (MoH scale); Color: Tan, beige, or brownish-grey enamel with a lighter root; Luster: Vitreous on enamel, dull on root; Crystal structure: Apatite-based mineral replacement; Cleavage: None

Formation & geological history

Formed during the Paleocene and Eocene epochs (approx. 40-60 million years ago) in marine environments. The biological material was replaced by minerals through permineralization.

Uses & applications

Primarily for educational collections, jewelry making (pendants), and historical displays.

Geological facts

Otodus was a giant mackerel shark and is a direct ancestor of the famous Carcharocles megalodon. These sharks could grow up to 30 feet in length.

Field identification & locations

Commonly found in the phosphate mines of Morocco. Identify by its triangular shape, smooth edges (no serrations), and distinctive lateral cusplets on the base of the crown.