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  • *Pseudofossils ( Inorganic objects , markings, or impressions that resemble fossils.)

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  1. Juliar

    Tooth/ plate? I.d Help please.

    Hi, Thank you all for the help with my shark spine I.d yesterday. I was very pleased to finally find our what it was! Today I was looking over some other large pieces of bone bed from the same trip to Aust cliff, and I had a very pleasant surprised when I broke it open. I think it's some sort of tooth, it's large around 5cm in length. Is it from a shark as it was near to the area I found the spine? Any help would be appreciated. Many thanks
  2. Hi, I'm very new to this and have had a couple of trips to Aust cliff uk recently. I hadn't really found much but today I found this tooth/bone? I have tried a little of my own research and have hit a dead end. I think it may be ichthysaur but I'm not sure if it's a bone or a rather long thin tooth. It appears to be hollow.Could anyone help me with an I.D please? Many thanks 20210921_213640.heic 20210921_213649.heic 20210921_214010.heic
  3. pachy-pleuro-whatnot-odon

    Middle Triassic ichthyosaur vertebra

    Early June, two years ago, I found this ichthyopterygian vertebra in a small nodule out of the northern French Middle Triassic, from the Upper Muschelkalk. Almost two years to the day later a friend of mine helped me complete its preparation this month. When done, one of the first things that struck me were the elongate, and slightly tilted rib attachment sites. As far as I know, such rib attachment sites do not occur in any parvipelvian ichthyosaur species, which, instead, have round, button-like, attachment sites, especially on dorsal vertebrae as my find is. Now I realise that i
  4. Long time lurker but finally made an account here. Probably have talked to some of you on instagram though! This fossil was sold to me a while back when I first started collecting and I just wanted to make sure it is real. I was told by someone reliable that it's real, but was prepared using a cheap acid method. I would love to learn more about that too if that's the case. I attached pictures that I took with my iPhone and a moment macro 10x lens.
  5. Made another trip to the Triassic Cumnock formation of North Carolina. Split a LOT of shale, got what I believe are 3 nice plant fossils!!! (6 total since they split) One looks like a compression fossil of ginkgo leaves I think..the other 2 I think are plant vasculature. Can someone confirm this? I want to make sure these are actual fossils too, not pseudofossils... Also, I found some nodules as a part of one of the plant stems with odd bluish yellow minerals..not sure what that is. Thanks everyone!!
  6. So I just made a trip to a publicly accessible creek that cuts through the Triassic Cumnock formation of North Carolina. Made a couple of nice finds. An unknown plant fossil, it’s worn down a bit, but anyone think they can ID? Also found a TON of what I believe are Cyzicus fossils, the largest are just shy of 1cm. Can anyone confirm these are Cyzicus? Thanks for the help!!!
  7. oilshale

    †Asialepidotus shingyiensis Su, 1959

    Taxonomy according to Xu and Ma, 2018 Junior synonym: Guizhoueugnathus analilepida Liu et al., 2003. Preoccupied name: Guizhouella analilepida Liu et al., 2013. Quote from Xu and Ma (2017, p. 36): “Based on three nearly complete fish specimens …, Liu et al. (2003) named Guizhouella analilepida and referred it to the family Eugnathidae (= Caturidae, Amiiformes); this genus was later renamed as Guizhoueugnathus, because it was preoccupied by a brachiopod genus (Liu, 2004). Jin (2009) first noticed that G. analilepida was a junior synonym of A. shingyiensis, and suggested that this taxo
  8. The fish was described in 2011 by López-Arbarello et al. under the name Sangiorgioichthys sui and transferred by Xu et al. in 2019 to the newly erected genus Lanshanichthys. Alternative combination: †Sangiorgioichthys sui López-Arbarello et al. 2011. Taxonomy according to Fossilworks.org. Diagnosis for the genus Lanshanichthys from Xu et al 2019, p. 185: “Nasal narrow and curved; frontal 1.8 times as long as parietal; presence of two to four supraorbitals; seven or eight infraorbitals, including two or three between lacrimal and posteroventral infraorbital; three or four suborbi
  9. Vaderlimulus - 245-Million-year-old Horseshoe Crab Fossil named after Star War’s Darth Vader. New Mexico Museum of Natural History & Science First Triassic Horseshoe Crab Fossil Found in North America, SciNews The paper is: Lerner, A.J., Lucas, S.G. and Lockley, M., 2017. First fossil horseshoe crab (Xiphosurida) from the Triassic of North America. Neues Jahrbuch für Geologie und Paläontologie-Abhandlungen, pp.289-302. An open access paper is: Bicknell, R.D. and Pates, S., 2020. Pictorial atlas of fossil and extant
  10. RetiredLawyer

    Finding more bone

    First picture is a clavicle impression which has bone imbedded in the rock. Second is a vertebral or cranial bone. The rest are bone fragments.
  11. RetiredLawyer

    Some odd shaped rock

    I’ve found these rocks near my track fossils and petrified wood. Can anyone shed any light on them?
  12. RetiredLawyer

    Finally found some bone

    Stumbled on a nice pile of petrified wood pieces and it included some amphibian bones pieces. A nice dermal bone and possible clavicle piece.
  13. pachy-pleuro-whatnot-odon

    Marine reptiles of Madagascar

    Hi all, I recently became aware that Madagascar appears to have a fully developed and interesting Mesozoic marine reptile record, yet am not particularly able to find any information on them. The only article I have come across is Bardet and Termier, 1990, "Première description de restes de Plésiosaure provenant de Madagascar (gisement de Berere, Campanien)". However, I've been unable to track this article down. As such, I was wondering whether anybody on TFF might have any information on them. Basically, I'm starting from scratch, so would be very interested in the clades of
  14. I found these two in the creek in my backyard in central western New Jersey. They appear to have symmetry and share common features. Does anyone know what I might be looking at? I’ve also found what appear to be osteoderms in great abundance in the same area. Any help or guidance in the right direction would be appreciated. Thank you.
  15. RetiredLawyer

    Reassembled trackway

    It’s taken over a year of excavation, hauling and reassembly but I’ve got the trackway essentially completed. The chunk at the top needs to go at the bottom of the picture but my yard has a slope where it goes. Spencer Lucas, Hendrik Klein and four others are coming in October to study my collection so I’ll have help moving the entire trackway to finish it. 28’x18’
  16. Hi guys! Found this at Mona Vale (Sydney, Australia), early triassic, Narrabeen group. Fossil ID please.
  17. Dennis fossil

    Please help me identify this fish

    This fish is from Luoping, Yunnan, China. It is about 28 cm long during the Triassic period. Please help me identify which family and genus it belongs to. 1627652635291
  18. Here is a picture of a Bivalve imprint I found whilst in a Creek in Western Wake County. I was in the Triassic Basin and they have fossils dating back around 230 Ma ± 2 ma. It was part of the Carnian Stage of the Triassic part of the bigger Newark Supergroup. I presume it is a freshwater genus but I don't hear much about freshwater Bivalves when it comes to Triassic fossils.
  19. oilshale

    Habroichthys orientalis (Su, 1959)

    Alternative combination: Peltopleurus orientalis Su, 1959. The fish was originally described by Su in 1959 as Peltopleurus orientalis but recombined by Tintori et al. in 2016 as Habroichthys orientalis. Taxonomy for Habroichthys orientalis according to Fossilworks.org. Diagnosis according to Su, 1959 p. 205: “A Peltopleurus with rather slenderly fusiform body. Head rather small, its length is less than the maximum depth of the body and being about one 4,5th of the total length. External skull-bones smooth. Posterior part of maxilla somewhat triangular in shape. Operculum slightl
  20. RickCalif

    Keichousaurus

    From the album: My other Fossils

    Keichousaurus with a quartz line that runs through the piece. Keichousaurus is a genus of marine reptile in the pachypleurosaur family which went extinct at the close of the Triassic in the Triassic-Jurassic extinction event.
  21. Hi all, I am trying to identify this fossil from a photo taken at Blue Anchor, Somerset. It shod be Triassic or Jurassic. At first I thought it might be a marine creature but it, doesn't look like a skeleton, so I thought possibly a large plant? It is perhaps 0.5 to 0.75 metres across. Many thanks.
  22. Per Christian

    Triassic bull canyon oddity

    Hi, i just got this one, i thought it's an aetosaur spike but now I'm unsure.. it's bull canyon and 4 cm long. Does anyone here know?
  23. pachy-pleuro-whatnot-odon

    From Westbury-on-Severn with pyrite

    Hi all, I recently acquired the below fossil, a pair of articulated jaws, purportedly from Pachystropheus rhaeticus, still with teeth, found at Garden Cliff/Westbury-on-Severn. Whether I wasn't paying proper attention when I bought it or just hoping there wouldn't be any pyrite on the piece, when I received the specimen it turned out that there are quite numerous pyrite-crystals growing to the side of the fossil. As it's quite an unusual piece that I'd rather like to keep, I'm now looking for people with experience with pyrite from the Garden Cliff location. In essence, I'd like to
  24. JoeM

    Pachystropheus rhaeticus?

    I tried posting something up a few days back but got no reply - I think maybe i made the mistake of posting too much up at once. Well I have now done some minor prep on this chunk of Rhaetic bone bed from Aust Cliff, anyway, and on revealing more of the bone and consulting my new purchase of 'Fossils of the Rhaetian Penarth Group', my confidence in my original conclusion has increased - that this most prominent bone fragment is the end of a Pachystropheus rhaeticus femur or tibia. I guess I was hoping that someone here with a lot more knowledge of these rocks would be able to confim my hunch s
  25. pachy-pleuro-whatnot-odon

    Preservation of colour in fossil shells

    Hi all, Some time ago I found this shell in (what I believe to be) the French Upper Muschelkalk (Triassic). Now I'm not into shells myself, but to judge from the remains of operculum on the underside of it, the specimen concerns an oyster. Most strikingly, however, the shell has a pattern of darker-coloured lines that do not correspond to any three-dimensional/elevational differences on the shell surface - which is, in fact, entirely flat. I haven't seen this on a fossil shell before. Now when doing a Google search for my response on whether it would be possible for cru
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