04930 - Top Huge 2.22'' Dyrosaurus phosphaticus Partially Rooted Tooth
04930 - Top Huge 2.22'' Dyrosaurus phosphaticus Partially Rooted Tooth 04930 - Top Huge 2.22'' Dyrosaurus phosphaticus Partially Rooted Tooth 04930 - Top Huge 2.22'' Dyrosaurus phosphaticus Partially Rooted Tooth 04930 - Top Huge 2.22'' Dyrosaurus phosphaticus Partially Rooted Tooth 04930 - Top Huge 2.22'' Dyrosaurus phosphaticus Partially Rooted Tooth 04930 - Top Huge 2.22'' Dyrosaurus phosphaticus Partially Rooted Tooth

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04930 - Top Huge 2.22'' Dyrosaurus phosphaticus Partially Rooted Tooth

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Species
Dyrosaurus phosphaticus, Thomas 1893
Age
Eocene, Ypresian stage, (~54 Million Years)
Location
Oued Zem, Morocco
Formation
Ouled Abdoun Basin, Phosphate Beds
Size
56.5 mm   •    in
Weight
15 g   •    oz
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Description

Impressive specimen that preserves part of its natural root. Extremely large size, outside of the usual for its species. This tooth was broken in small sector during the initial collecting efforts but all parts were put back together. It has small filled sector inside one of the fractures.

Dyrosaurus is a genus of extinct crocodylomorph that lived from the upper Cretaceous to the Eocene period, surviving the K-Pg extinction event. Dyrosaurus are linked to pholidosaurids as a clade and are defined as slender-snouted, fish-eating specialists adapted to near-shore marine habitats.

The Dyrosauridae are a group of mostly marine, long jawed, crocodile-like quadrupeds up to 6 metres (20 ft) long. Based on bone tissue evidence, it has been hypothesized that they were slow-growing near-shore marine animals with interlocking closed jaws, able to swim as well as walk on land. External nostrils at the posterior end of its snout and an internal naris in its pterygoid indicated a habit of hunting while swimming with the top of the head above the water, enabling it to breathe while stalking prey.

A review of Dyrosaurus phosphaticus (Thomas, 1893) (Mesoeucrocodylia; Dyrosauridae) from the Lower Eocene of North Africa.

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