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  1. izak_

    Juvenile xenacanth

    While preparing a large xenacanth tail from a new site south of Sydney I noticed this juvenile of the same species within the nodule. Xenacanths are very common in this horizon of the Ashfield Shale but are often poorly preserved, so this example offered a unique opportunity to photograph certain features such as the denticles. Unfortunately, both specimens are incomplete since half the nodule was missing, but that is just the nature of this site! Here is the whole nodule with the partial xenacanth tail, three poorly preserved Cleithrolepis and juvenile xenacanth towards the right: The juvenile xenacanth. Towards the top middle section is the base of the dorsal spine which never seems to preserve on adult specimens, and towards the left are impressions of denticles and the vertebrae. Towards the right, the lower jaws with teeth are preserved and there even seems to be an impression of the eye. Ammonium chloride images of a latex peel showing the whole specimen and closeups of the jaw and teeth: Closeups of denticles:
  2. M3gal0don_M4n

    Hi!

    Hello! I am M3GAL0DON_M4N, a very new fossil hunter and purchaser from Australia. My collection has only being going for about 6 months give or take. I am not too active, apart from on weekends, as I have school (I may go extinct from the homework). I have already posted wayyy too much, as you probably have noticed. I realised that I probably should introduce myself out of politeness. I sadly must admit I won’t really be able to help out, as I am quite new and young. I am always willing to learn from anyone who offers knowledge. I hope that we all learn together, and help each other to greatness in the fossil community.
  3. izak_

    Placoderm Trip

    A few weeks ago some friends and I visited a site near Braidwood in southern NSW (3 hours south of Sydney) for middle-late Devonian fish. The site was first published in Ritchie (1984) with the description of Placolepis budawangensis, a phyllolepid known only from this locality. This species is one of the two most common here, with the other being Bothriolepis longi (see Johanson 1999). So far, only these two species have been described from this locality but acanthodian spines and sarcopterygian scales are also known. All fish fossils from this locality occur in within a 75cm band of red siltsone and are mostly just disarticulated plates, but the P. budawangensis holotype is still fairly well articulated. The plates of both species are very recognisable, the Placolepis usually have lovely parallel ridges whereas the Bothriolepis are covered in tiny bumps. Some photos of the siltsone band with some fish plates exposed on top. Peter did a great job on this hole, it's not easy work! The specimens from this locality are quite weathered, so the bone is usually quite poor and doesn't split well. They still look nice, but I chose to dissolve away the bone in hydrochloric acid to latex the cavity for photography. Here are some as found: Placolepis: Bothriolepis: Some bone in cross section (the horizontal black dotted lines): Here are some latex casts of specimens after acid preparation. The latex is blackened with ink, then whitened with ammonium chloride for high contrast photos. Much easier to make out features in these than the unprepared specimens! Bothriolepis longi plates and pectoral fins (compare with figures in Johanson 1999): Placolepis budawangensis: Sarcopterygian scale(?): No idea on this one! After the fish site, we quickly stopped in at a road cutting which yields occasional Devonian plant fossils. Nothing too exciting, but still nice to find some Devonian plants! That's all for now, I might post more ammonium chloride photos when I take the next batch. Hope you enjoyed!
  4. M3gal0don_M4n

    Yet another mysterious Shark tooth.

    Hello. I am here with another unknown shark tooth. This one I personally found. For a while I believed it to be from Hastalis, but I have doubts after searching it up. It is around 5-3 million years old. It was also found alongside what I believe to be a Scylirhinoid vertebrae.
  5. M3gal0don_M4n

    Fossil shark vertebrae.

    I found this shark vertebrae on the beach. I believe it is from a Scylirhinoid. Am I correct?
  6. My partner randomly suggested we go fossil hunting at Turimetta. I've never been fossil hunting and I was surprised by how much we actually found. I haven't uploaded pictures of everything we found bc it's mostly just plant matter that I've managed to find similar pictures of in other forums. I'm curious to know if the rusty-orange coloured ones are anything. Was really exciting to find them when carefully splitting rocks in half! There's also a tiny ball shape I found when I split open a rock and it almost looked like a tiny soccer ball or pine cone because of the lines in it. It didn't show up quite as clearly on camera sadly. And there's another rock with a cylindrical shape in the side of it. I thought that was very interesting so I took lots of angles. Thanks in advance for your help!
  7. Over the last month I've been staying with my partner in Queensland who lives close to some amazing fossil sites, namely the Redbank Plains Formation. This formation is well known for its Paleocene/Eocene plants, insects, fishes and turtles. It was extensively collected from during the 1900s when the area was mostly comprised of pastures and bushland. Most of the fossils were found in iron-rich mudstone nodules which weathered out of the soil and gullies, although many plants and insects were collected from a clay pit and found directly in white mudstone. Nowadays, much of the formation has been covered by housing development, making it difficult to collect from. One exposure was protected within a council reserve, but fossils in there were difficult to find as they had to naturally weather out of the formation. I didn't have high hopes for finding anything in the area but after scouring geology maps I noticed one exposure which looked promising. It was mapped as Redbank Plains Formation but easily could've just been part of the surrounding Triassic/Jurassic sandstones. After finally being able to visit, we found it to be a new exposure of the Redbank Plains Formation! It didn't yield many fossils but the geology was terrific. At the top, a sandstone horizon which I think still belongs to the Redbank Plains Formation overlies the fossil bearing black carbonaceous shale, with a white clay type horizon below. Some more interesting geology just to the right of where the previous photo was taken. Just above the white clay horizon is a thin layer of tuff, overlain by more carbonaceous shale, then overlain by a thin layer of basalt, with more carbonaceous shale above. A different part of the exposure which was very rich in nodules. Fossils in these nodules were very rare in comparison to other Redbank Plains Formation sites, with just occasional plant material or fish bits. After suffering in the 34˚ summer heat for a few hours, we left in search of a different site a few hours away which yielded nothing. But then, on our way home, we noticed another potential Redbank Plains Formation exposure. This one was much more successful in terms of fossils, and also previously unknown! A partial fish as found in situ. Note the characteristic black shale it has weathered out of. The cross section of fish bones can be seen in this weathered nodule. A leaf, perhaps a Banksia sp.? A mash of fish bone in a nodule we split. Our best find of the day, a beautiful articulated fish! In situ: After some preparation (will post photos of it finished when I complete it). Unfortunately the nodule this was in fractured in many places, a result of the drying mudstone matrix. A tiny fish before and after preparation (also not finished, waiting on a replacement tip for my airscribe). This species is Notogoneus parvus. That is all for now, will update with more photos as I prepare everything! The Queensland Museum has been made aware of this new and potentially significant site, so hopefully it can be protected.
  8. Jack.P

    Australia, Unknown Fossil

    Hello fellow fossil people, The images are of an unknown specimen collected from a well known fossil site just south of the city Melbourne in Victoria, Australia. I'm finding it difficult to even get a genus let alone species on this. I'm thinking its perhaps some kind of crab species given what appears to be four leg sockets on each side. Another thought regarding ID is a lamp shell, Brachiopoda perhaps in the family Terebratulidae? The ruler scale in the photos is in millimeters. Thanks in advance for spending time looking at this and would be happy to answer any questions or provide more photos if needed. Kind regards, Jack
  9. Hi I found a fossil on my families property I grew up on. Just along the creek bed after floods had happened in far north qld. Iv spoken with the qld museum and they have ids through photos and email as pallimnarchus jaw im wondering what something like this is worth and little more information IMG_8453.mov
  10. Below are some of the slabs/slices/limb casts of petrified wood from my collection. I'll post more pieces in latter replies. I especially like very colorful pieces and unusual pieces like Teredo bored pieces or pieces with fungus. I have hundreds of close-up pictures. If you would like to see close-up pictures of a particular piece, reply to this post with the number/numbers. If you want to see close-up pictures of some of the petrified wood pieces from this thread, check out my TFF thread at the below link: 1 Petrified Wood botryoidal agate golden calcite insect borings ostracods Eocene 50 MYA Green River Fm Blue Forest along Lake Gosiute Sweetwater County Wyoming 1.2 lbs 8.25 x6x.38 inches 2 Petrified Wood conifer Araucarioxylon arizonicum fungus Polyporites wardii early Permian late Triassic 295 to 201 MYA Chinle Fm northern Arizona 3.60 lbs 10.25x8.75x.5 inches 3 Petrified Wood Triassic 225 MYA Chinle Formation near Holbrook Arizona 745g 160 x200x12mm 4 Petrified Wood Seed Fern Rhexoxylon Triassic 220 MYA Ambilobe Madagascar 136g 3.75x2.50x.375 to .5 inches 5 Petrified Wood Araucaria conifer Monkey Puzzle Tree Triassic Age 200 to 250 MYA Acondromen Madagascar 575g 145mmx95mmx18mm 6 Petrified Wood Araucaria conifer Monkey Puzzle Tree Triassic Age 200 to 250 MYA Acondromen Madagascar 182g 4.25x3.5x.31 inches 7 Petrified Wood Araucaria conifer Monkey Puzzle Tree Triassic Age 200 to 250 MYA Acondromen Madagascar 201g 4.25x3.5x.375 inches 8 Petrified Wood Araucaria conifer Monkey Puzzle Tree Triassic Age 200 to 250 MYA Acondromen Madagascar155g 4.25x3x.375 inches 9 Petrified Wood Araucaria conifer Monkey Puzzle Tree Triassic Age 200 to 250 MYA Acondromen Madagascar157g 4.25x3.25x.375 inches 10 Teredo Bored Petrified Wood Slab Paleocene Epoch Canon Ball Formation North Dakota 2,150g 10.25x9x.625 inches 11 Petrified tree fern Tietea singularis Permian 275MYA Motuca Formation Parnaíba Basin in Filadélfia Tocantins Brazil 340 g 8 x 4.75 x.25 inches 12 Petrified Wood encased In Algae-Laurel Eocene Bridger Formation Blue Forest WY 1802g 9.5x7.75x.625 to .75 inches 13 Petrified Replacement Wood Eocene 34 to 40 MYA Clarno Formation Hampton Butte central Oregon 484g 7 x 5 x .44 inches 14 Petrified Wood Slab Woodworthia Triassic Chinle Formation Winslow AZ 408 g 5.5x4.25x.43 to.5 inches 15 Agate Petrified Wood Turkey 253g 6.25 X 3.25 X .31 inches 16 Petrified Wood Slab Cedar Miocene 15.5 MYA Wanapum Basalt Formation Saddle Mountain Washington 228g 5.5x4.25x.25 inches 17 Petrified Wood Slab Miocene 15.5 MYA Wanapum Basalt Formation Saddle Mountain Washington 361g 5.75x5x.44 inches 18 Petrified Shrinkwood Miocene Fleming Formation Live Oak County, Texas 176g 4.25x3.5x.375 inches 19 Yew Taxus sp. in Stromatolitic Algae Miocene Tonopah Nevada 3.25 x 2.5x.19 inches 20 Teredo Bored Petrified Driftwood Middle Miocene Saltos Shale Member Monterey Formation Santa Barbara Canyon near Cuyama CA 6 x 4x.625 inches 21 Petrified Wood Araucaria conifer Monkey Puzzle Tree Triassic Age 200 to 250 MYA Madagascar 572g 5.75x4x.7 inches 22 Hematite Replaced Teredo Bored Petrified Wood Eocene Yegua Formation or Cretaceous 40 to 50 MYA Lake Bryan TX 288g 7.25 x3x.44 inches 23 Petrified Wood Log Miocene Jarbridge Ryolite Formation Hubbard Basin Elko County Nevada 1061g 4.25x4x1.75 to 2.75 inches 24 Petrified Wood Triassic 225 MYA Chinle Formation Arizona 1186g 8.25x6.75x.625 inches 25 Petrified Wood Sycamore Platanus sp. Miocene Bopesta Formation Horse Canyon near Tehachapi Kern County California 271g 4x3.5x.75 inches Marco Sr.
  11. I found this while holidaying in the Blue Mountains, NSW, Australia. It was located in a river bed and caught my eye as it looked interesting... I have had it sitting in my car for the last few months but know would like to know if it could be a tooth, fossil, or just a cool looking river rock. It is about 1 1/2 inches long
  12. Spider8ait94

    Need help IDing some fossils/imprints

    I was given these many years ago by a relative so i unfortunately dont have the location they were found but there is a good chance it was in Australia. I'm hoping someone can help me ID just what is i them. I've put my thoughts for each here under the image names. Fossil 1: Some sort of brachiopod? Fossil Imprints 2: I know its leaves so im just wondering if anyone knows what species they came from? Fossil 3: Possibly some sort of shell? Fossil 4: Incredibly light weight and almost feels chalky. Never been sure whether the fossil in the stone is a plant like some sort of fern or fishbones? Fossil Imprint 5: Obviously a shell. Imprint from an Ammonite or some other shelled creature? Fossil Imprints 6: This is in a big chunk of rock that also features leaf imprints. Same type of stome as Fossil Imprints 2 and from the same location I'd assume. Is this fish skin or something else?
  13. Where would i buy fossils in Australia, money is not a concern but i'm just curious where i would be best off searching. Hayden
  14. From the album: fish

    Cavendericthys talbragarensis. Late Jurassic, Merrygoen Ironstone. Uarbry, New South Wales Australia
  15. peter mann

    Australia bone

    Hi i found this maybe pleciasaur opal bone inside an opal i bought can u tell me if it is a pleciasaur or other marine creature looks like either a rib bone or tail its about an inch in size
  16. Krono4822

    Australia, QLD

    Hello from outback QLD Australia!
  17. Kronosaurus Korner is unveiling a new fossil collection in April. They have noted that it is very rare worldwide. I'm lucky enough to be able to attend! Like and Follow their page https://www.facebook.com/kronok?mibextid=ZbWKwL If I'm able to get a picture at the unveiling I will post in the forum.
  18. Hi all, See attached - most of these are 5-10mm in size (cm/mm ruler in background). Found at/near base of sandstone cliffs near Aireys Inlet, Victoria, Australia. I have previously found Lovenia fossils in the area (and found a couple more today), but these are much smaller and flatter - more like sand dollars? IDs appreciated, and also suggestions re further cleaning - I just soaked them in water (~30min) and tried to remove loose material, but haven't done anything further. Would it be worth soaking/cleaning them further to try to remove more matrix? Also, do you think the small spines/tripods in 2a/2b/23c are the original spines of the sea urchin? I think 4 is probably the top lid of a similar brachiopod to 3/3a - does that seem reasonable? Cheers & thanks in advance, Oli
  19. Cowrie

    Shark teeth Queensland

    We’ve had a little more luck here in Qld Australia, our collection is growing. we think a few great white and Mako? What do you think? so excited to find these.
  20. Hi to everyone... I was hoping someone may have a spare moment to ID? I happened to find this object on a beach in Melbourne, Australia. I thought it was a rusted piece of metal at first, especially considering the weight. I ran the pictures through gpt 4 and was informed that a fossil might be a possibility. What I know about it ... - Its heavy like metal - Its not magnetic - Its 9cm long - Theres an odd hole - One section kind of looks like it could be a broken bone or bones Thanks in advance for any help given! C.
  21. Hi all, I found a small fossil bone near Airey's Inlet. It was located in the scree slope ~3m above the beach, in material that appeared to be eroded from the sandstone cliff (mixed in with fossil shells, sea urchins and sea urchin spines - one of these is pictured). It looks like there is also a possible bryazoan or sponge on the surface of the bone. Thoughts on ID/age? Cheers Oli IMG_9484.HEIC IMG_9496.HEIC IMG_9493.HEIC IMG_9491.HEIC IMG_9500.HEIC
  22. Hi all, We spent yesterday in a different section of the quarry I posted about here. This section yielded some nice fish, plants and even another temnospondyl! Phyllotheca or a different horsetail Xenacanthid pieces Various fish bits A nice nodule with a fish inside I will post some more photos of the temnospondyl once it gets excavated, but here is a loose section from the rear of the skull. After our quarry visit we went to a terrific Eocene plant locality, will post some photos from there next!
  23. izak_

    Unknown leaf

    From the album: Titringo Creek Siltstone leaves

    Perhaps Myrtaceae?
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