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  1. Sylvestersen

    Antigonia

    From the album: Fish fossils from the Fur Formation

    Family: Antigonia Order: Zeiformes
  2. Barrelcactusaddict

    Canadian Amber (Allenby Fm., 52.5-48 Ma)

    From the album: Fossil Amber and Copal: Worldwide Localities

    3.0g of amber, from the same lot in the two associated entries. This mid to late-Ypresian material comes from an old site near the abandoned mining town of Blakeburn, which site and its gangue piles are now technically owned by a coal mining company (although the existing legal claim of the individual who collected this amber is being overruled by the company). The amber is found primarily in association with Metasequoia sp. remains/imprints, however Pinus and Pseudolarix (among others) remains are also found in a lesser quantity at the site.

    © Kaegen Lau

  3. Notidanodon

    Paleogenotodus

    Hi guys, weird question here, I have done some digging but I can’t for the life of me find any decent references to this shark. I guess this is what happens when you fall into the trap of taxonomic collecting lol I’ve been looking at otodus recently and seeing as paleogenotodus is synonymous, it caught my attention. Last question, I wonder if anyone on this forum has actually seen a fossil of this shark? Anyway thanks for your help Also while we’re on the subject of otodus, does anyone have any info or examples of O.limhammensis or O. Poseidoni, thanks again
  4. Hi everyone, today I arrived a small batch of shark teeth which came from the Egem Clay, Tielt Formation, Egem, Belgium that date back to the Ypresian, Eocene (53 mya). I attempted to ID them but as usual I would like to see what your imput is on my ID's. Tooth 1: Striatolamia macrota or maybe even Cretalamna sp. Tooth 2: Brachycarcharias lerichei? Tooth 3: Striatolamia macrota Tooth 4: Striatolamia macrota Tooth 5: Hypotodus verticalis or Striatolamia macrota Tooth 6: Odontaspis winkleri
  5. oilshale

    Asineops squamifrons COPE, 1870

    Asineops (Greek for "donkey-faced") squamifrons was first described by Cope as having an affinity to the pirat perch family. Later, with more detailed study, this species was found to lack the diagnostic characters of that family. Thus it is not yet clearly assignable to order. Although this species is much rarer in the Fossil Lake sediments than in Lake Gosiute deposits, the specimens from Fossil Lake are much larger than those from Lake Gosiute. Line drawing from Grande 1984: Identified by oilshale using Grande 1984. References: Cope, Edward D. (1870). Observations on the Fishes of the Tertiary Shales of Green Nov. River, Wyoming Territory. Proc. Amer. Philos. Soc. Vol. 21 XI, pp. 380-384. Grande, L, (1984). Paleontology of the Green River Formation, with a Review of the Fish Fauna. Bulletin 63, the Geological Survey of Wyoming.
  6. Hi everyone, yesterday I recieved a lot of shark teeth, 20 of which came from the Egem Clay, Tielt Formation, Egem, Belgium that date back to the Ypresian, Eocene. The teeth are very small sized so I tried a macro lens to take pictures (I apologize for the not always clear images), and I believe most belong to Physogaleus secundus. But I wanted to share my thoughts on the ID's of the teeth and see what your imput would be as I am not an expect on Eocene shark teeth. Tooth 1: Physogaleus secundus Tooth 2: Physogaleus secundus Tooth 3: Physogaleus secundus Tooth 4 Physogaleus secundus Tooth 5: Physogaleus secundus Tooth 6: Physogaleus secundus or Galeocerdo? Tooth 7: Physogaleus secundus Tooth 8: Physogaleus secundus Tooth 9: Physogaleus secundus Tooth 10: Physogaleus secundus Tooth 11: Abdounia minutissima or Scyliorhinus sp.? Tooth 12: Physogaleus secundus Tooth 13: Physogaleus secundus Tooth 14: Physogaleus secundus Tooth 15: Physogaleus secundus Tooth 16: Physogaleus secundus Tooth 17: Physogaleus secundus? Not sure, looks a little different in morphology then the rest. Tooth 18: Physogaleus secundus Thank you in advance!
  7. Notidanodon

    Otodus, cretalamna?

    Guys I’m having trouble determining whether this. Is a cretalamna appendiculata lower or an otodus obliquus
  8. Notidanodon

    Some sheppey teeth

    Hi guys here are some teeth that need I would really appreciate some help identifying I will upload some more later today 1. I can’t decide between hypotodus verticalis and jaekelotodus robustus
  9. The open access paper is: Smith, V., Warny, S., Grice, K., Schaefer, B., Whalen, M.T., Vellekoop, J., Chenot, E., Gulick, S.P., Arenillas, I., Arz, J.A. and Bauersachs, T., 2020. Life and death in the Chicxulub impact crater: A record of the Paleocene-Eocene Thermal Maximum. Climate of the Past Discussions, pp.1-17. Related open access papers are: Smith, V., Warny, S., Jarzen, D.M., Demchuk, T., Vajda, V. and Expedition 364 Science Party, 2020. Palaeocene–Eocene miospores from the Chicxulub impact crater, Mexico. Part 1: spores and gymnosperm pollen. Palynology, 44(3), pp.473-487 Smith, V., Warny, S., Jarzen, D.M., Demchuk, T., Vajda, V. and Gulick, S.P., 2020. Paleocene–Eocene palynomorphs from the Chicxulub impact crater, Mexico. Part 2: angiosperm pollen. Palynology, pp.1-31. More papers of Dr. Vann Smith More papers Sophie Warny Yours, Paul H.
  10. Hi guys, would anyone know the difference between isurolmna affinis and inflata, i cant seem to find an age gap and physically their features, to me at least, seem very similiar anyway, the reason i am asking as i have read conflicting resources on teeth from unit J of upnor fm (beltinge fish bed) at herne bay, UK that differ between one and the other and im not sure which to go with, thanks for your help
  11. Hi guys i will be showing you my london clay fossil collection over the next few days, i will only be showing the best of the best that i have either found, bought or traded for i will do a location per day, except for sheppey which might take a few days First of all we have butts cliff, burnham on crouch, I spend a while making labels and boxing the nice teeth up
  12. Hi guys, today I set out with the goal of finding sharks teeth from bed D of the ypresian London clay formation, Thames group. I hunted at the world famous site at warden point where the London clay occurs both in the cliffs and in the foreshore. it was an absolutely beautiful day 27C, for england that’s tropical At this site shark teeth are found in the gravel banks at the top of the beach and phosphatic modules are found at low tide not shown in these pictures but it stretches out very far ( an estimate would be 200-300metres) pyritized stuff can be found all up and down the beach, it’s is amazingly abundant! we (Me and my dad) arrived as the tide was going out and seeing as it hadn’t gone out quite far enough yet, we ate the sandwiches I made, delicious if I do say so myself. Half an hour later we set out onto the gravel banks to look for teeth, having found nothing But pyrite invertebrates for half an hour we continued around to the bunkers, the mud here was very deep I would say 1ft deep in some places, a bit of a sticky situation anyway here is where I found my 2nd favourite find ( I will be showing my finds once I have cleaned them so the clue I will give is it was what I think is. A zanthopsis dufouri) Rather pleased with myself I kept on hunting the ground uncovered by the retreating tide and found several more phosphatic modules to explore, a fun activity for the summer after 2 hours of looking for these I tired of the mud and I had cut myself on an oyster so we returned to the shingle to look for teeth again. This time I was succesfull finding 2 teeth, (one of which is a rarer species) and more interesting stuff which I will share when I have the opportunity to photograph all of it end photo shows just how muddy i got
  13. JulianP

    Possible Bone Found

    Hey there, This is my first post so please excuse any newbie blunders. I found this bone or other long thing lying on the beach at Tankerton, Kent, UK part of the London Clay formation this week, 14th July 2020. The London Clay formation is said to be early/lower eocene. To me, a layman to palaeontology and Osteology, it seems like a leg bone, perhaps tibia because of it triangular shape at one end?!?! I was told by a young gentleman on the beach that Mammouth have been found there as well in the past. That is about as far as my knowledge goes. I appreciate any help I can get. Thanks
  14. oilshale

    Heliobatis radians MARSH, 1877

    From the album: Vertebrates

    Heliobatis radians MARSH, 1877 Eocene Ypresian Green River Formation Kemmerer Warfield Quarry Wyoming USA Length 45cm / 18"
  15. Nicole99

    Help with ID please!!

    I found this today at Walton-on-the-Naze, UK. It’s pretty small and I’m really struggling with identifying it. Might be something cool but maybe not even a fossil? It was found on the beach and is likely from the London clay (Eocene - Ypresian stage). It’s really common to find plant matter in this, I came away with loads of fossilised wood. So I’m thinking possibly some sort of plant fossil? Maybe a seed or something? Was also thinking it might be a coprolite or something like that but it’s fairly uniform in shape. It’s a little damaged and shows what seems to be clay infilling.
  16. First fossil dragonflies from B.C. identified and named Simon Fraser University, November 04, 2019 http://www.sfu.ca/sfunews/stories/2019/11/first-fossil-dragonflies-from-bc-identified-and-named.html Fifty-million-year-old dragonfly species that once flew in B.C. identified for first time. Identifying dragonflies from fossils involves mapping their distinctive wings and comparing the results to species living today. By Kevin Griffen, Vancouver Sun, November 4, 2019 https://vancouversun.com/news/local-news/fifty-million-year-old-dragonfly-species-that-once-flew-in-b-c-identified-for-first-time The open access paper is: Archibald, S.B. and Cannings, R.A., 2019. Fossil dragonflies (Odonata: Anisoptera) from the early Eocene Okanagan Highlands, western North America. The Canadian Entomologist, pp.1-34. https://www.cambridge.org/core/journals/canadian-entomologist/article/fossil-dragonflies-odonata-anisoptera-from-the-early-eocene-okanagan-highlands-western-north-america/74A59170711807272E35236BA309AC9A Related paper is: Archibald, S.B., Greenwood, D.R., Smith, R.Y., Mathewes, R.W., and Basinger, J.F. 2011a. Great Canadian Lagerstätten 1. Early Eocene Lagerstätten of the Okanagan Highlands (British Columbia and Washington State). Geoscience Canada, 38:155–164. https://www.researchgate.net/publication/262485004_Great_Canadian_Lagerstatten_1_Early_Eocene_Lagerstatten_of_the_Okanagan_Highlands_British_Columbia_and_Washington_State Yours, Paul H.
  17. oilshale

    Thaumaturus intermedius Weitzel 1933

    From the album: Vertebrates

    Thaumaturus intermedius Weitzel 1933 Eocene Messel near Darmstadt Germany
  18. oilshale

    Ductor vestenae VOLTA, 1796

    From the album: Vertebrates

    Ductor vestenae VOLTA, 1796 Eocene Ypresian Monte Bolca near Verona Italy
  19. oilshale

    Erismatopterus levatus (COPE, 1870)

    Erismatopterus is only known from Lake Gosiute and Lake Uinta deposits. It is one of the rarer Green River fish fossils, except in some mass mortality zones. Erismatopterus belongs together with its close relative Amphiplaga to the family Percopsidae within the order Percopsiformes. Amphiplaga is best distinguished from Erismatopterus by its dorsal fin, which has three hard spines (the first one is very small) followed by 9 or 10 soft rays. Erismatopterus usually has two hard spines followed by 6 or 7 soft spines. Amphiplaga can reach up to 15cm with an average length of about 10cm while Erismatopterus does not exceed 12cm with an average length of about 5cm. The Order Percopsiformes is a small order of North American freshwater fishes that includes three families: Amblyopsidae (cavefishes); Aphredoderidae (pirate perches); and Percopsidae (trout-perches). Closely related to neither trout nor perch, trout-perches have characteristics of both the trout and perch families. They exhibit characters of the salmonids, such as an adipose fin, cycloid scales, and soft fin rays, as well as characters of the percids, such as dorsal and anal fin spines, and ctenoid scales. Trout-perch are generally silvery in appearance, often with a partially transparent appearance, and relatively large heads and eyes. They are small fish with weak fin spines, and an adipose fin similar to those of trouts. They feed on insects and small crustaceans. Fossil percopsids are only known from North America, the current home of the extant genus Percopsis References: E. D. Cope (1877) A contribution to the knowledge of the ichthyological fauna of the Green River shales. Bulletin of the United States Geological and Geographical Survey 3(4):807-819. Grande, L. (1984) PALEONTOLOGY OF THE GREEN RIVER FORMATION, WITH A REVIEW OF THE FISH FAUNA. THE GEOLOGICAL SURVEY OF WYOMING, BULLETIN 63.
  20. oilshale

    Amphiplaga brachyptera COPE, 1877

    Amphiplaga is one of the rarer of the Green River fish fossils, making up some 1% of the total from Fossil Lake, its only known location. Amphiplaga belongs together with its close relative Erismatopterus to the family Percopsidae within the order Percopsiformes. Amphiplaga is best distinguished from Erismatopterus by its dorsal fin, which has three hard spines (the first one is very small) followed by 9 or 10 soft rays. Erismatopterus usually has two hard spines followed by 6 or 7 soft spines. Amphiplaga can reach up to 15cm with an average length of about 10cm while Erismatopterus does not exceed 12cm with an average length of about 5cm. The Order Percopsiformes is a small order of North American freshwater fishes that includes three families: Amblyopsidae (cavefishes); Aphredoderidae (pirate perches); and Percopsidae (trout-perches). Closely related to neither trout nor perch, trout-perches have characteristics of both the trout and perch families. They exhibit characters of the salmonids, such as an adipose fin, cycloid scales, and soft fin rays, as well as characters of the percids, such as dorsal and anal fin spines, and ctenoid scales. Trout-perch are generally silvery in appearance, often with a partially transparent appearance, and relatively large heads and eyes. They are small fish with weak fin spines, and an adipose fin similar to those of trouts. They feed on insects and small crustaceans. Fossil percopsids are only known from North America, the current home of the extant genus Percopsis References: E. D. Cope (1877) A contribution to the knowledge of the ichthyological fauna of the Green River shales. Bulletin of the United States Geological and Geographical Survey 3(4):807-819. Grande, L. (1984): PALEONTOLOGY OF THE GREEN RIVER FORMATION, WITH A REVIEW OF THE FISH FAUNA. THE GEOLOGICAL SURVEY OF WYOMING, BULLETIN 63,
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