Fossil Shark Tooth Fragment (Likely Megalodon or Carcharhinid)

Phylum: Chordata, Class: Chondrichthyes, Order: Lamniformes, Family: Otodontidae, Genus: Otodus, Species: O. megalodon · Otodontidae (Extinct Megatoothed Shark family) / Carcharhinidae (Requiem Shark family) · Fossilized Shark Tooth fragment (Vertebrate remains, not a mollusk/shell). Shape is triangular and flattened.

Fossil Shark Tooth Fragment (Likely Megalodon or Carcharhinid)

Species

Otodus megalodon (highly probable based on thickness and shape)

Shell Type

Fossilized Shark Tooth fragment (Vertebrate remains, not a mollusk/shell). Shape is triangular and flattened.

Family

Otodontidae (Extinct Megatoothed Shark family) / Carcharhinidae (Requiem Shark family)

Size

Approximately 0.75 inches long and 0.5 inches wide. This is a very small fragment of what would have been a significantly larger tooth.

Color & Pattern

Dark charcoal gray to brown with a matte, grainy texture. The coloration is indicative of phosphate mineralization during the fossilization process over millions of years.

Rarity

Common (as a fragment). Small pieces of fossilized shark teeth are frequently found on Atlantic beaches, though whole teeth are rarer.

Habitat

Ancient marine environments. Found as fossils in coastal sediments, particularly in phosphate-rich deposits near river mouths or offshore shelves.

Geographic Range

Globally distributed; commonly found on the Atlantic coast of the US, particularly from New Jersey down to Florida and the Gulf Coast.

Description

This is a weathered, triangular fossil fragment. It appears to be the basal or side portion of a fossilized shark tooth. The edges are significantly eroded by wave action, losing the sharp serrations and the distinct enameloid shine typical of fresh fossils.

Key Features

Triangular shape, thickness relative to its size, and the characteristic fossilized gray/black mineralized color that distinguishes it from modern shells or stones.

Collector Value

Low monetary value due to its fragmented and worn condition. However, it holds high sentimental value as a 'treasure' for beachcombers and as an entry-point for fossil collecting.

Condition Notes

Poor to Fair. The specimen is highly eroded, beach-worn, and incomplete. It lacks the root, the tip, and clear serrations, reducing its scientific and collector grade.

Interesting Facts

Megalodons were the largest sharks to ever live, reaching lengths of up to 50-60 feet. Their teeth are the most common fossils because sharks lose thousands of teeth throughout their lives.

Ecological Role

Apex predator of the ancient Cenozoic oceans. Fossilized remains now provide vital data for paleoclimatological and evolutionary studies.

Similar Species

Could be confused with a fragment of an Angustidens tooth or a worn Carcharhinus (Bull/Dusky shark) tooth. Distinguishable by its thickness and density.

Beach Finding Tips

Look in the 'shell hash' or gravel lines at low tide. Focus on areas with dark, heavy sediment or near dredging sites and beach renourishment areas.

Identified on 6/4/2026
Fossil Shark Tooth Fragment (Likely Megalodon or Carcharhinid) | Sea Shell Identifier