Identification of UK Mesozoic Vertebrate Teeth

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Hylaeosaurus armatus (?) ankylosaur dinosaur tooth.

These fossils are rare to find in the UK Valanginian! This abraded ankylosaur dinosaur tooth measures 4mm in height and was found in the Wadhurst Clay of Hastings, East Sussex. Labial and lingual views of the same tooth shown.

Hypsilophodontid (?) ornithopod dinosaur dentary tooth.

These fossils are very rare to find in the UK Valanginian! This undescribed juvenile hypsilophodont (?) dentary tooth crown measures just 1.5mm in height and was found in the Wadhurst Clay of Hastings, East Sussex.

Baryonyx walkeri theropod dinosaur tooth.

This rare spinosaurid theropod tooth was actually found in the Barremanian Stage. It measures 23mm in height and was found at the famous 'Smokejacks' Quarry, Surrey.

Dromaeosaurid theropod dinosaur tooth.

These fossils are very rare to find in the UK Valanginian! This undescribed dromaeosaurid type tooth crown measures just 8.5mm in height and was found in the Wadhurst Clay of Hastings, East Sussex. Labial and lingual views shown.

Hypselospinus fittoni ornithopod dinosaur tooth.

These fossils are uncommon in the UK Valanginian! This worn iguannodontid dinosaur tooth crown measures just 8.5mm in height and was found in the Wadhurst Clay of Hastings, East Sussex.

Cimoliasaurus valdensis plesiosaur tooth.

This plesiosaur fossil tooth is a unique find in the mainland UK Valanginian! It measures 17mm in height and was found in the Wadhurst Clay of Hastings, East Sussex.

Loxaulax valdensis mammal teeth.

These fossil multituberculata mammal teeth are very rare to find in the UK Valanginian! Shown here are a premolar and incisor tooth measuring just 1mm and 6mm across respectively. Both found in the Wadhurst Clay of Hastings, East Sussex.

Bernissartia sp. indet. crocodile teeth.

These fossil crocodile teeth are uncommon in the UK Valanginian! The tooth morphology varies and some types are shown here measuring between 1.5mm to 4mm across and were found in the Wadhurst Clay of Hastings, East Sussex.

Goniopholis sp. crocodile tooth.

These crodile teeth are uncommon. This one measures 21mm in height and was found on the beach at Brook Bay, Isle of Wight.

Theriosuchus sp. indet. crocodile teeth.

These fossil crocodile teeth are common in the UK Valanginian! The tooth morphology varies and some types are shown here measuring between 1.5mm to 6mm in height and were found in the Wadhurst Clay of Hastings, East Sussex.

Unidentified crocodile tooth.

This unidentified crocodile tooth was found in the UK Valanginian! The tooth morphology suggests possible cf. Vectosuchus leptognathus currently only know from the Isle of Wight. It measures 12mm in height and was found in the Wadhurst Clay of Hastings, East Sussex.

Unidentified crocodile scute.

This tiny fossil crocodile scute is an uncommon find in the UK Valanginian! It measures 25mm across and was found in the Wadhurst Clay of Hastings, East Sussex.

Unidentified reptilian Claw.

This tiny fossil crocodile (?) claw is a rare find in the UK Valanginian! It measures 3mm in length and was found in the Wadhurst Clay of Hastings, East Sussex.

Polyacrodus parvidens shark teeth.

These fossil shark teeth are common in the UK Valanginian! The tooth morphology varies and some types are shown here measuring between 1.5mm to 6mm across and were found in the Wadhurst Clay of Hastings, East Sussex.

Egertonodus basanus shark tooth.

These fossil shark teeth are common in the UK Valanginian! The tooth morphology varies but usually measuring between 1.5mm to 15mm across. This was found in the Wadhurst Clay of Hastings, East Sussex.

Parvodus heterodon shark tooth.

These fossil shark teeth are uncommon in the UK Valanginian! This measures a tiny 1.5mm across and was found in the Wadhurst Clay of Hastings, East Sussex.

Shark dermal denticle.

These tiny fossil shark dermal denticles are rare in the UK Valanginian! This measures a tiny 1mm across and was found in the Wadhurst Clay of Hastings, East Sussex.

Unidentified fish dental plate (?)

This tiny unidentified fish palate (?) was found in the UK Valanginian! I have no idea regarding identification and I am open to suggestions. It measures 3mm in across and was found in the Wadhurst Clay of Hastings, East Sussex.

Scheenstia mantelli fish dental plate.

These fish dental plates are uncommon. This one from the Barremanian Stage measures amost 40mm in length and was found on the beach at Brook Bay, Isle of Wight.