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  1. sharkdoctor

    Weird Calvert Formation shark tooth

    I think I saw this tooth form in an identification book at some point and laughed at it. It's such a weird tooth. However, I can't find the reference now. It's driving me crazy. Any ideas what this is? It is possible that the tooth was reworked from an earlier formation (Old Church or Piney Point). From the Calvert Formation, bed 3. The scale box=5mm. Lingual surface? Labial surface? @jcbshark @MarcoSr @Al Dente @Gizmo @fossilsonwheels
  2. RAlves

    Galeocerdo cuvier

    From the album: Shark Fossil collection

    Extinct Tiger Shark (Galeocerdo cuvier) teeth from the Portuguese Miocene

    © Ricardo S. Alves

  3. RAlves

    Galeocerdo aduncus

    From the album: Shark Fossil collection

    Extinct Tiger Shark (Galeocerdo aduncus) teeth from the Portuguese Miocene

    © Ricardo S. Alves

  4. Below are pictures of Miocene agatized/silicified coral pieces from Indonesia. Unpolished white coral piece (1.3 kg 135mm x 105mm x 65mm) Unpolished yellow agatized coral piece (.5 kg 50mm x 80mm x 80mm ) 14 polished black coral pieces (largest: 342 grams 120mm x 50mm x 40mm Smallest: 70 grams 73mm x 40mm x 3to 17mm ) Note t
  5. I was going through my collection and found this tooth in with my Carcharias (Sand Tiger) teeth from Bayfront Park, Calvert Cliffs (Miocene). It doesn't resemble the others and I wondered if it might be something else. It is 7/8 of an inch tall. Thanks.
  6. MarcoSr


    Two highly polished, end cut Stromatolite agate achats from the Mátra mountains, Gyöngyöstarján, Hungary from the Miocene, 20 million years ago that I recently purchased. These are the first Stromatolite fossils that I’ve added to my fossil collection. I’m posting a few pictures to show the incredible colors in these pieces. End Cut (1) ( 543grams 103mm by 102mm by 35mm) End Cut 2 (166grams 75mm by 45mm by 45mm)
  7. From the Calvert Marine Museum Fossil Club Facebook page, our shark people may enjoy this next twist in the debate: ”Associated shark teeth from the whale collected in 2008. During the excavation a number of teeth were uncovered around the ribs. All of these teeth are from a tiger shark. The upper and lower positions are a proposed possibility. However, those of you who follow the ever confusing world of shark tooth identification, you’ll notice the “upper” teeth are ones identified as Galeocerdo aduncus and the “lower” teeth are ones identified as Physogaleus contortus. The
  8. This tooth was collected from one of the Monmouth County, NJ, mixed Miocene/Eocene sites. The curved shape makes me want this to be a Parotodus benedeni, but it could just be a weirdo Odontaspis, Carcharias, or one of the other more common types of sharks. Would love to hear what you all think.
  9. RAlves

    Mako teeth

    From the album: Shark Fossil collection

    I. paucus or I. hastalis? from the Portuguese Miocene
  10. Icy? Well, compared to some areas in the US or Moscow, it had only a few degrees below zero (Celsius) last Sunday. The nights had about -10°C, the days about -2°C. This period lastet from last Friday to Monday. No snow at all and very, very dry air. The last two days we had about 0°C during the night and +10°C maximum during the day. Still very dry. So without any snow and clear, but "cold" weather, I checked out a few Miocene sites around St. Josef in western Styria, Austria. I have made a detailed report about the area more then a year ago here: Rocks and fossils wer
  11. Ludwigia

    Galeocerdo aduncus (Agassiz 1843)

    From the album: Pisces

    13mm. wide Burdigalian Miocene Obere Meeresmolasse Formation Found in the Bodenseekreis
  12. RAlves

    Megalodon tooth

    From the album: Shark Fossil collection

    Beautiful Meg tooth with razor sharp serrations.
  13. I have been meaning to post my Calvert Cliffs mystery bones for awhile, and I keep finding more, so I finally took some pics to share. These are all Miocene finds collected on different trips over the last 12 months. I would be grateful for any help with ID.
  14. oilshale

    Syngnathus albyi Sauvage 1870

    The species of the family Syngnathidae belong to the order Syngnathiformes. The name "Syngnathiformes" means "conjoined-jaws". Syngnathiformes is an order of ray-finned fishes that includes among others pipefishes and seahorses (Syngnathidae), razorfishes (Centriscidae), trumpetfishes (Aulostomidae), and cornetfishes (Fistulariidae). Fishes of this order have elongate, narrow, bodies surrounded by a series of bony rings, and small, tubular mouths. The tubular mouth shows that these members of the Syngnathiformes fed on small Crustaceans and such, much as their modern-day relatives, the Seahors
  15. Hi All I found my largest shark tooth this past weekend here in New Zealand. I thought it was a Great White at first but a few people have thought it might be a transitional one. I was wondering if one of the shark tooth experts could have a look and let me know their thought Here is a bit of video of it as well: https://youtu.be/U-i8W2aOtLE?t=373 Thanks!
  16. oilshale

    Caranx scillae SAUVAGE 1873

    Literature: ARAMBOURG C. (1925): Révision des poissons fossiles de Licata (Sicile). Annales de Paléontologie, 14, 39-132. Landini W., Menesini E. (1984) Messinian marine fish communities of the Mediterranean Sea, Atti della Società Toscana di Scienze Naturali Serie A 91, 279-290 Woodward A. S. (1901) , Catalogue of Fossil Fishes in the British Museum (Natural History), Part IV, 1-636.

    South Of The Puerco

    It has been a long time since it rained enough to inhibit collecting ammonites out in the Puerco... ...so south of the Puerco it is. The southern edge of the Albuquerque Basin is composed of middle Miocene outcrops... ...I headed there for a few hours of hiking. I found many tid-bits of white mammal bone early on in my adventure. I followed a small "trail" of shards up the hill to find this piece of a camel jaw... ...followed by this (I think ) small piece of antler. What a great way to spend
  18. RAlves

    Fire tone Hemipristis serra

    From the album: Shark Fossil collection

    The colors of this Hemipristis serra tooth blow my mind
  19. will stevenson

    Some New Zealand teeth, please help!

    Hi guys, I have come to you for help as I really don’t know what I’m talking about when it comes to New Zealand shark teeth (I’m fairly sure these are all selachian), anyway, I have separated them into what I think are the separate species based on my understanding of tooth morphology, sorry for lack of scale, for reference the teeth vary from around 2mm-5mm here is species 1 side view of the most complete one There appear to be very faint serrations more prevalent in one of them
  20. bthemoose

    Matoaka 2-10-21

    I made it out to Matoaka Beach bright and early this morning on a day off. While I didn’t find a ton in the shark teeth department, I did nab my largest whale vert to date, a large ray dermal denticle, and some other nice Calvert Cliffs (Miocene) finds.
  21. Braved the cold, icy water for some digging in gravel and the hopes of something special. Miserable, cold and rainy, and I'm sore today from squatting. Not much quality wise in shark teeth, but good variety and quantity. And no evidence of recent competition from the local kids (and adults). All playing computer games? Was happy to find some pieces of cowshark teeth (always wonder if I break them digging through the gravel?), several sand tiger symphyseal/ parasymphyseal teeth, a few angel shark, and apparently some small mako. As usual lots of broken/split teeth. I stuck my
  22. diginupbones

    Miocene mammal bone help

    Found in north central Nebraska. Miocene. I’ve had this in my collection for a while, I don’t know why I overlooked getting it identified. Really a nice little specimen.
  23. I have been fishing more than beach combing and the collecting has been poor (or maybe I'm going blind!) Lots more people this year hunting stuff with metal detecters, screens and better eyes. This would have been great for one trip, but accumulated over 8(?) trips. Hopefully with better winter storms more will turn up, and the cold will keep most people away.
  24. RAlves

    Mako on the rocks

    From the album: Shark Fossil collection

    Cool mako on the rocks
  25. NevadaHunter

    Monterey Formation Inquiry

    Hello all, I am new here and just discovered this forum, I have a feeling I'll be around more often from now on. I am from Nevada, born and raised and grew up in a rural area with not much more to do other than metal detect, fossil hunt, and rock lick. I am currently studying to become a doctor but still have a love of fossil hunting that I recently was lucky enough to get my girlfriend into. She lives in the Morro Bay area in California and I am visiting her. I've read the literature on the formation but as I have no idea on the area, I was hoping someone could help me with a lea
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