Identification of UK Mesozoic Vertebrate Teeth

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Simolestes vorax Pliosaur Tooth.

These teeth are extremely rare to find in this condition. The scale is shown in (cm) and the tooth measures 65mm in height. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire.

Peloneustes philarchus Pliosaur Tooth.

These teeth are extremely rare to find in this condition. The scale is shown in (cm) and the tooth measures 40mm in height. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire.

Muraenosaurus leedsi Plesiosaur Tooth.

These teeth are extremely rare to find in this condition. The scale is shown in (cm). It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire.

Steneosaurus sp. Marine Crocodile Tooth.

These teeth are extremely rare to find in this condition. This measures 26mm in height. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire.

Metriorhynchus sp. Marine Crocodile Tooth.

These teeth are uncommon to find in this condition and size. This measures 35mm in height. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire.

Caturus cf. porteri Fish Skull.

This complete fish measures over 2 ft or 24 inches in length but only the skull is shown here for detail. This is one of several complete one's I have found to date and measures 120mm or almost 5 inches in length. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire. Sadly like many of the fish I have found in Peterborough, the site where this specimen came from is now a vast housing estate.

Hypsocormus sp. Fish Jaws.

This Jaw set with teeth is a rare find indeed in the UK Callovian. This is one of several complete one's I have found to date and the scale is shown in (cm). It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire. Sadly like many of the teeth I have found in Peterborough, the site where this tooth came from is now a vast housing estate.

Lepidotes latissimus Fish Dental Plate.

These dental plates are extremely rare to find in the UK Callovian. This is the only complete one I have found to date and it measures 32mm across the base. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire. Sadly like many of the teeth I have found in Peterborough, the site where this tooth came from is now a vast housing estate.

Mesturus leedsi Fish Dental Plate.

These dental plates are extremely rare to find in the UK Callovian. This is the only complete one I have found to date and it measures 33mm across the base. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire. Sadly like many of the teeth I have found in Peterborough, the site where this tooth came from is now a vast housing estate.

Secarodus polyprion Shark Tooth.

These teeth are extremely rare to find in the UK Callovian. This is the only complete one I have found to date and it measures 22mm across the base. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire.

Planohybodus peterboroughensis sp. nov. Shark Tooth.

These teeth are extremely rare to find in the UK Callovian. This is the only complete one I have found to date and it measures 21mm across the base. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire. Sadly like many of the teeth I have found in Peterborough, the site where this tooth came from is now a vast housing estate.

Planohybodus peterboroughensis sp. nov. Shark Dorsal Spine.

These dorsal spines are extremely rare to find complete. This distal end piece is 52mm in height. It was found in the Lower Oxford Clay, Callovian Stage, Jurassic  of Peterborough, Cambridgeshire.

Hybodont Shark Shark Dorsal Spine Fragment.

These dorsal spines are extremely rare to find complete. This mid-section piece is 25mm in height and exhibits some fine down turned enamelled deticles. It was found in the Lower Oxford Clay, Callovian Stage, Jurassic  of Peterborough, Cambridgeshire. It is not known which teeth belong to this species

Asteracanthus ornitissimus Shark Tooth.

This lateral specimen is possibly the worlds largest Jurassic shark tooth. it measures 78mm across the base. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire.

Asteracanthus ornitissimus Shark Tooth.

These teeth are supposed to be common finds in the UK Callovian. However, this is one of only two dozen complete specimens I have found to date. This anterior tooth measures 32mm across the base. It was found in the Kellaways Formation of Peterborough, Cambridgeshire. This species is the largest of all the Asteracanthus genus. Its specific name refers to its highly ornimented crown.

Asteracanthus ornitissimus Shark Teeth.

This is a lovely rare paired posterior tooth set in jaw. Each tooth measures 14mm across the crown. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire.

Asteracanthus ornitissimus (France) Tooth Set.

Here is a complete dentition from french strata for comparrison.

Asteracanthus ornitissimus Shark Dorsal Spine Fragment.

These dorsal spines are extremely rare to find complete. This proximal end piece shows excellent stellerate enamelled tubercles. It was found in the Lower Oxford Clay, Callovian Stage, Jurassic  of Peterborough, Cambridgeshire.

Asteracanthus ornitissimus Shark Cephalic Spine.

These cephalic (head) spines are extremely rare to find complete (this one is missing its enamel 'horn'). This specimen is 50mm across but is missing the enamelled spine. It was found in the Lower Oxford Clay, Callovian Stage, Jurassic of Peterborough, Cambridgeshire.

Ischyodus egertoni Chimaera Associated Mandibular Dental Plates.

These chimaera dental plates are rare to find in the UK Callovian probably due to being 'overlooked' ! This is the only complete pair I have found to date and they measure 62mm in length. They were found in the Lower Oxford Clay of Peterborough, Cambridgeshire.

Ischyodus egertoni Chimaera Right Mandibular Dental Plate.

A beautiful complete chimaera fossil measuring 70mm in length. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire. the site is no longer accesible due to flooding.

Ischyodus beaumonti Chimaera Right Palatine Dental Plate.

This is the distal (front of mouth) end section and measures 45mm in length. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire.

Ischyodus beaumonti Chimaera Right Palatine Dental Plate.

This is the proximal (back of mouth) end section and measures 42mm in length. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire.

Brachymylus altidens Chimaera Right Mandibular Dental Plate.

This measures 34mm in length. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire. I have donated this specimen to the NHM.

Brachymylus altidens Chimaera Left Palatine Dental Plate.

This is the only palatine from this species that I have found. It measures 28mm in length. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire. I have donated this specimen to the NHM

"Brachymylus minor" (gen. et sp. nov.) Chimaera Left Palatine Dental Plate.

This is the only palatine from this species that I have found and it is probably the rarest of the UK Callovian chimaeras. It measures 18mm in length and was found in the Lower Oxford Clay of Peterborough, Cambridgeshire. Note - This species found by me is the first known for the UK Callovian.

"Stoilodon" sp. (sp.nov.) Chimaera Right Mandibular Dental Plate. FIRST TIME RECORDED FOR THE UK.

A beautiful complete RARE chimaera right mandibular dental plate (the only one recorded for this formation and the only one recorded for the UK) measuring 42mm in length. It was found in the Kellaways Formation of Peterborough, Cambridgeshire. The site is no longer accesible due to flooding. I have donated this specimen to the NHM.

Callorhinchus sp. Chimaera Left palatine dental plate. A NEW GENUS RECORDED FOR THE UK OXFORD CLAY.

A beautiful near complete RARE chimaera left palatine dental plate (the only one recorded for this formation) measuring 22mm in length. It was found in the Kellaways Formation of Peterborough, Cambridgeshire. I have donated this specimen to the NHM.

Harriotta sp. (sp. nov.) Chimaera Right Vomerine Dental Plate.

A beautiful complete RARE chimaera right vomerine dental plate (possibly the only one recorded for this formation) measuring 7mm in length. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire.  This species found by me is the first known for the UK Callovian. I have donated this specimen to the NHM.

Harriotta sp. (sp. nov.) Chimaera Left Mandibular Dental Plate.

A beautiful complete RARE chimaera left mandibular dental plate measuring 9mm in length. It was found in the Lower Oxford Clay of Peterborough, Cambridgeshire. The site is no longer accesible due to flooding. This species found by me is the first known for the UK Callovian.  I have donated this specimen to the NHM.