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  1. Harry_

    Fish jaw?

    I found these fossils in Hampton Vale (it's quite a well known and fosiliferous site). The site is Oxford clay and jurassic. When doing wet sifting I found lots of these fossils all about 3 or 4mm and I think they are all fish jaws as they r way too small for rodents. This is the first of a few posts I will be doing for id on some fossils from there. Any help is greatly appreciated :). The pictures are of a few I found. Thanks, Harry
  2. Hi, I wanted to ask about this marine reptile tooth from the Oxford Clay in England. The seller has listed it as a Pliosaur tooth belonging to the species Simolestes Vorax, and I wanted to check the id. Thanks in advance!
  3. pachy-pleuro-whatnot-odon

    Unidentified Jurassic marine reptile bone

    Hi all, I've had the below piece in my collection for a number of years now, having acquired it thinking it was a juvenile plesiosaur propodial. It comes from the Oxford Clay of Peterborough and is of Callovian Jurassic age. However, when recently doing some research towards answering another question on TFF, I realised that - even though there's some plastic deformation going on - it doesn't quite look like the juvenile plesiosaur propodial I have from the rhaetic at Aust, nor does it look like a plesiosaur propodial
  4. PointyKnight

    Pachycormidae indet. - 'Hypsocormus' sp.

    From the album: Oxford Clay Fauna

    Pachycormidae WOODWARD 1895 indet. Jurassic, Callovian Oxford Clay, Peterborough Member [ A ] Orton Pit [ B ] Hampton Lakes, Peterborough, Cambridgeshire, UK Teeth from indeterminate, predatory pachycormid fish. Likely pertaining to either 'Hypsocormus' leedsi SMITH & WOODWARD 1889 or 'Hypsocormus' tenuirostris SMITH & WOODWARD 1889, which can be distinguished only by characters of the rostrum. Neither species actually belongs to Hypsocormus WAGNER 1860 according to MAXWELL et al. 2020, but are closer to more derived, macropredatory pachycormids like Orthocor
  5. PointyKnight

    Caturus porteri

    From the album: Oxford Clay Fauna

    Caturus porteri RAYNER 1948 Jurassic, Callovian Oxford Clay, Peterborough Member Must Farm, Whittlesey, Peterborough, Cambridgeshire, UK A scale from the medium-sized caturid Caturus porteri RAYNER 1948.
  6. PointyKnight

    Caturus megadontus (?=Osteorachis leedsi)

    From the album: Oxford Clay Fauna

    Caturus ?megadontus MARTILL 1985 (?= ?Osteorachis leedsi WOODWARD 1897) Jurassic, Callovian Oxford Clay, Peterborough Member Kings dyke, Whittlesey, Peterborough, Cambridgeshire, UK A tooth of the large, macropredatory caturid Caturus ?megadontus MARTILL 1985. MARTILL & HUDSON 1991 consider this species potentially synonymous with the contemporaneous and highly fragmentary caturid ?Osterorachis leedsi WOODWARD 1897, which would make ‘Caturus leedsi’ the valid name for this taxon.
  7. PointyKnight

    Muraenosaurus leedsii

    From the album: Oxford Clay Fauna

    Muraenosaurus leedsii SEELEY 1874 Jurassic, Callovian Oxford Clay, Peterborough Member Peterborough, Cambridgeshire, UK
  8. PointyKnight

    Liopleurodon ferox

    From the album: Oxford Clay Fauna

    Liopleurodon ferox SAUVAGE 1873 Jurassic, Callovian Oxford Clay, Stewartby Member Stewartby Pits, Bedford, Bedfordshire, UK ID: Paul de la Salle, KFM A small, juvenile pliosaur tooth showing distinct ornamentation referable to Liopleurodon.
  9. PointyKnight

    Marine Predator Coprolite

    From the album: Oxford Clay Fauna

    Coprolite Jurassic, Callovian Oxford Clay, Peterborough Member Hampton Lakes, Peterborough, Cambridgeshire, UK A coprolite from an indeterminate marine predator, showing inclusions of nacre, partially digested bone, and fish scales of Pholidophorus? sp. (an indeterminate pholidophorid) and Coccolepis sp. (an enigmantic coccolepid).
  10. PointyKnight

    Leedsichthys problematicus

    From the album: Oxford Clay Fauna

    Leedsichthys problematicus WOODWARD 1889 right ceratohyal fragment Jurassic, Callovian Oxford Clay, Peterborough Member Orton Pit, Peterborough, Cambridgeshire, UK ID: Jeff Liston, RTMP Colonised by additional fauna, including Gryphaea (Bilobissa) dilobotes and serpulid worms.
  11. Hi everyone, I recently bought this tooth on a whim. It was described as Diplocynodon sp. from the Kimmeridge Clay and reworked into the Albian-age Faringdon Sponge Gravels at the Wicklesham Pit. However, this description is obviously wrong in either species attribution or locality, since Diplocynodon is an alligatoroid genus dating to the Paleocene to middle Miocene, and could therefore not possibly have been found in the Sponge Gravels as Wicklesham Pit. Going by the label that came with the tooth, however, the seller whom I bought the
  12. PointyKnight

    Oxford Clay Metriorhynchid Teeth

    Hey everyone! Continuing from the other ID thread, I’d like to hear your opinions on another recent acquisition from the Oxford Clay: a group of associated metriorhynchid teeth. Now, there are several metriorhynchid taxa described from the Oxford Clay Formation: Gracilineustes leedsi, Ieldraan melkshamensis, Suchodus brachyrhynchus, Suchodus ?durobrivensis, Thalattosuchus superciliosus, and Tyrannoneustes lythrodectikos. Pretty much all of them have decent descriptions of their dentition available, so comparing these teeth to the literature facilitates the
  13. Hey everyone! I'm currently looking for any teeth from the Oxford Clay, especially those of plesiosaurs and teleosauroid crocs. In exchange, I can offer a variety of crocodile teeth from the Jurassic Tiourarén Formation of Niger like (but not limited to) the ones below.
  14. Hi all, I recently decided to buy the below plesiosaur vertebra after having seen it for a long, long time. It dates to the Callovian of the Oxford Clay and was found at Peterborough. I suspect it may be attributed to Muraenosaurus leedsi, as it comes from a cryptoclidid plesiosaur, but is both larger and more elongate that the typical Oxford Clay Cryptoclidus vertebrae I'm familiar with. Supposedly coming from an old collection, it has a blackened exterior that doesn't cover the entire piece, with the more common buff colour visible underneath. As such, I expecte
  15. PointyKnight

    Oxford Clay Plesiosaur Tooth

    Hey everyone! I recently got a few marine reptile teeth from various formations in the UK, including this partial plesiosaur tooth from the Oxford Clay. The enamel is only partially preserved, but appears unworn and allows for a good look at the enamel ridges of this section. The curved, rather robust shape of the tooth and the irregular distribution of the pretty prominent enamel ridges made me move away from ichthyosaur or machimosaurid as an ID, and seemed more in line with the many plesiosaurs from this formation. But that's where it got more tricky.
  16. Rycomerford

    UK Marine Reptile Teeth

    Hello all, I've had two teeth in my collection for many years now. I've recently moved and lost the supplied ID labels that came with them. I've taken this as a nice opportunity to see what others may think they are. I believe if memory serves me right the large tooth (Tooth A in photos) was labeled as a Simolestes. Then the smaller tooth tip (Tooth B in photos) labeled as Liopleurodon. I know both were found in the Wicklesham pit in Faringdon, Oxfordshire, UK. Upon some research, I found an article from 2014 with a Dakosaurus tooth discovered to be the largest in the UK at the ti
  17. Hello, this is my first post on the forum so firstly I apologise if I have done anything wrong. I brought these teeth a number of years ago and have only just got round to sorting them out. The first one was listed as Jurassic crocodile tooth and the second as Jurassic Plesiosaur tooth, they both come from the Oxford clay around Peterborough. I would really like to put a species name to these teeth if possible so any help would be greatly appreciated. My initial thoughts were Metriorhynchus for the crocodile tooth and Cryptoclidus for the Plesiosaur but I am a complete amateur and would love s
  18. In short, I'm trying to figure out exactly what was on the menu: fish or cephalopods. While sorting through some Oxford Clay fish coprolites, I came across this specimen. It was part of a batch purchased years ago. I must have just assumed the inclusions were fish vertebrae, but now I'm not too sure. I know some vertebrae from some fish fry can be hollow, but the texture/material of these inclusions look very different from anything I've seen (including vertebrae in Oxford Clay coprolites). Because of the color and layers, I'm thinking these may be chitinous. That said, I haven't s
  19. Hello everyone, So here we are, back in lock-down so an ideal time to review some finds. Just prior to the latest imprisonment I dashed down to Tidmoor Point near Chesil Beach for the day and grabbed some gravel to look through at home during the long nights. A few interesting items turned up and I wonder if anyone can help ID them please? The first 2 photo's show 3 teeth, the first 2 look to be from the same type of animal, the last evidently something very different. Do you think these were from (small) sharks or some kind of fish, (the divisions on the ruler are in mm). The l
  20. pachy-pleuro-whatnot-odon

    Ichthyosaur paddle digit (Wimereux): hit or miss

    Hi all, Found this stone at Pointe aux Oies in Wimereux two days ago, amongst the pebbles collected next to a shelve down towards sea from the spot where I had found an ichthyosaur vertebra (on matrix) two days before this find. I picked it up because 1) the stone is unusually flat; 2) has exactly the right shape and thickness to it for an ophthalmosaurid ichthyosaur paddle bone (see picture below); 3) has certain ornamentation top and bottom; 4) seems to be of a different type of stone than I've generally come across in the area; and 5) has some weight to it. It vaguely reminds me
  21. Harry_

    Plesiosaur rib?

    Hi all this is the second Hampton Vale id. I found this when wet sifting through some Hampton Vale Oxford clay. If it were from any other place I would say ammonite but I have only ever heard of the ammonite kosmoceras being found here and they have ridging. With this in mind I thought rib. The only animals with this kind of curve and shape of rib found here are plesiosaur pliosaur and ichthyosaur. I was able to rule out ichthyosaur due to shape and I am thinking plesiosaur rib section. Any confirmation or other help with id would be greatly appreciated. Ps at its longest point it is 1.5c
  22. Harry_

    Vertebra?

    Hi, I found this at a Jurassic sight and thought it might a vertebra. Anyone have any ideas as this threw me off quite a bit when trying to I'd it myself! I also found a smaller identical piece which is also photographed belowAt its longest point it is 2.5cm. any help is greatly appreciated. Thanks! P.s. I also have some other fossils from here that I can't id myself about a rib section(?) And some possible tiny fish jaws.
  23. Just got back from a trip to England - still fighting the jet lag a bit! 7 hours time difference makes for interesting sleep patterns! Thought y'all might want to see what I all I found in Great Britain! Of course, we started in London, doing all the London things, including the Natural History Museum! Got to see Mary Annings plesioarus and mosasaurs. And the archeoptyrix! And the dino room!! And much much much more.....whew. Left London to visit friends in Bury St. Edmund, near Cambridge. We went to see the Sutton Hoo burial near Ramsholt in Suffolk which I had h
  24. Collected from the K. jason subzone within the Lower Oxford Clay of Peterborough. I thought it could potentially be a palm leaf due to the veins, though wood is prolific - a leaf would be atypical of marine deposits? GBP 1 pence piece for size reference Any help would be much appreciated. Jacob.
  25. LegitimateScientist1

    Oxford Clay Vertebra

    Hello, I bought this vertebra today at the Oxford Fossil and Mineral Show. The seller did not know what it belonged to, only that it was found in the Oxford Clay in Orton, Peterborough. Any help on what this came from would be greatly appreciated, thank you.
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