Iguanodontid Dinosaur Tooth Fossil Cretaceous Ashdown Formation UK Ornithopod Tooth Fossil Pett Level Sussex Genuine Dinosaur Fossil

Description

Authentic Iguanodontid Ornithopod Dinosaur Tooth – Ashdown Formation, Lower Cretaceous, Sussex

This genuine Ornithopod dinosaur tooth fossil attributed to an Iguanodontid comes from the renowned Ashdown Formation exposures at Pett Level near Hastings, East Sussex, England. Dating to the Lower Cretaceous, this specimen represents a remarkable piece of dinosaur history from one of Britain’s most important early Cretaceous terrestrial fossil deposits.

This fossil is a carefully selected genuine specimen, and the photograph provided in the listing shows the exact fossil you will receive. The specimen includes a Certificate of Authenticity lifetime guarantee generic card, confirming that it is an authentic fossil.

Full dimensions and scale can be viewed in the listing photographs.

Iguanodontid Dinosaurs – Early Cretaceous Herbivores

The tooth belongs to a member of the Iguanodontidae, a family of herbivorous dinosaurs within the order Ornithischia and the clade Ornithopoda. These dinosaurs lived during the Early Cretaceous Period, approximately 140–125 million years ago, and were among the most successful plant-eating dinosaurs of their time.

Iguanodontids are best known for species such as Iguanodon, one of the first dinosaurs ever scientifically described in the early 19th century by the English geologist Gideon Mantell, based on fossils discovered in Sussex.

These dinosaurs were medium to large-bodied herbivores that could walk on both two and four legs. They possessed powerful hind limbs, robust bodies, and distinctive thumb spikes used for defense or foraging.

Key features of iguanodontid dinosaurs include:

• Beaked jaws designed for cropping vegetation

• Rows of specialised grinding teeth

• Powerful jaws adapted for plant processing

• Flexible locomotion allowing both bipedal and quadrupedal movement

The teeth played a vital role in their feeding strategy. Iguanodontid teeth formed part of a complex dental battery, allowing continuous replacement as teeth wore down from chewing tough vegetation.

Tooth Morphology and Functional Adaptation

Ornithopod teeth are distinctive and highly adapted for herbivory. The tooth crowns typically display leaf-shaped profiles with pronounced ridges and denticulated edges, designed to slice and grind plant material.

Common morphological traits of iguanodontid teeth include:

• Flattened crown structure suited for grinding vegetation

• Prominent central ridge or primary keel

• Marginal denticles along the edges of the crown

• Enamel concentrated on one side of the tooth to facilitate efficient wear

These specialised teeth worked together in large dental batteries, forming effective grinding surfaces that allowed iguanodontids to process fibrous plants, ferns, and early flowering vegetation present during the Early Cretaceous.

Geological Context – Ashdown Formation

This fossil originates from the Ashdown Formation, part of the Wealden Group, a sequence of Lower Cretaceous sedimentary rocks exposed across southern England, particularly in Sussex and Kent.

The Ashdown Formation dates primarily to the Valanginian stage of the Early Cretaceous, approximately 140–133 million years ago. These sediments were deposited within a large river-dominated floodplain system, consisting of braided rivers, lakes, and swamp environments.

Sediments typically include:

• Sandstones deposited by river channels

• Siltstones and mudstones formed on floodplains

• Occasional lagoonal or lake deposits

These environments supported a diverse ecosystem of dinosaurs, reptiles, fish, and plants. Fossils preserved in the Ashdown Formation include:

• Iguanodontid ornithopods

• Early ankylosaurs

• Theropod dinosaurs

• Crocodilians and turtles

• Freshwater fish and plant remains

The river and floodplain environments periodically buried bones and teeth within fine sediments, allowing them to fossilise and be preserved for millions of years.

Pett Level – A Notable Fossil Locality

Pett Level, located along the Sussex coast near Hastings, is one of the key exposure areas for Wealden Group rocks. Coastal erosion and tidal exposure periodically reveal fossil-bearing layers, making the area a productive locality for dinosaur remains.

Material from this region has contributed significantly to our understanding of Early Cretaceous terrestrial ecosystems in Britain, particularly the diverse dinosaur fauna that inhabited the ancient floodplains.

Iguanodontid fossils are among the most iconic finds from the Wealden strata, reflecting the dominance of these herbivores within the ecosystem.

Authenticity and Collector Information

• Genuine fossil specimen – not a cast or replica

• Fossil Type: Ornithopod Dinosaur Tooth (Iguanodontid)

• Geological Formation: Ashdown Formation, Wealden Group

• Age: Lower Cretaceous, Valanginian Stage (~140–133 million years old)

• Locality: Pett Level, Hastings, East Sussex, England

• Includes Certificate of Authenticity lifetime guarantee generic card

• The exact fossil shown in the photographs is the specimen you will receive

This authentic dinosaur tooth fossil represents an excellent collector’s piece from the famous Wealden dinosaur beds of southern England, making it a superb addition to any dinosaur fossil, Cretaceous fossil, or natural history collection.