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Found 8 results

  1. Shellseeker

    2023Jan1st_GraysBeakedWhale_36mm

    From the album: FOTM - Bone Valley Formation, Florida, USA

    Beaked Whale Petrosal, Length 36 mm, identified by Robert Boessenecker. Land Find, Sarasota County, Florida
  2. Shellseeker

    Whale petrosal

    Was out hunting yesterday. At the end, my hunting partner asked if I could ID this bone. Almost immediately I said it was a marine mammal petrosal from a large whale. Now all I had to do was get some TFF whale experts @Boesse @Harry Pristis to agree. Looking around , I found a research paper on a North Carolina pygmy sperm whale with lots of good pictures... While starting to make comparisons, I did not that this PDF petrosal was about 30 mm at its widest points... This petrosal from Florida measures at 56.7 mm at its widest point. I think but am not sure I have all of this petrosal. It might be bigger.. If this is a tooth whale petrosal from Florida, my knowledge is limited to Kogiopsis and Scaldicetus... Obviously there is the size question, but also I am having difficulty matching up my photos with the pictures of Kogiopsis in the PDF.. All comments and suggestions appreciated, Jack EDITED to add a great TFF thread that relates http://www.thefossilforum.com/index.php?/topic/91729-composition-of-whale-teeth/ and a couple of more TFF experts @abyssunder @ynot @Al Dente There are photos of Kogio Petrosals in this thread...
  3. Shellseeker

    Peace River modern vertebra

    Went hunting today. One broken Meg, One broken Mako but some interesting finds. I pick up lots of things that trigger my curiosity, like a coprolite or modern catfish barb, or even enamel fragments that have patterns that I try to identify. There are some rocks in this photo, but don't get confused. At 3 o'clock is piece of tusk, and 4 o'clock has 2 pieces of fossilized wood. Dolphin vert, a couple of dolphin bulla, a couple of processes from Baleen whale petrosal. Just goes to show, sometimes I do pick up fossils. I am interested in that likely modern bone at 7 pm... Here are some more photos. Those breaks look clean, like from a butcher's saw. Possibly, I'll learn to recognize this next time I see it.
  4. Shellseeker

    Sorting some Florida finds

    I am mostly anchored to home for the next week, sorting some finds from last month. My process is to pick up almost everything I see, in case it might be a rare fossil (or fossil fragment) that I just do not recognize. I have always thrown back, donated, gifted 80% of what I bring home and that have become critical to keep my "collection" at a level that my spouse will allow. In fact , now I am closer to 95%.... So, with most of the finds already eliminated: There is a few great finds here, that I am able to ID myself. The ones in blue are those I will probably add to my collections. Everything else goes. Any corrections of my IDs are appreciated. I am trying for an Identification on the Whale petrosal. Even whether it is Baleen or Toothed. Realize that I likely need @Boesse to see this.
  5. old bones

    Petrosal for ID

    I found this petrosal on a South Carolina beach near Charleston. I would love to know the animal it belonged to. Is it cetacean @Boesse by any chance? Thanks for looking. Scale is CM.
  6. AshHendrick

    Whale Petrosal Confirmation, please?

    Another find this weekend, actually Rick found it but let me bring it home, want to confirm that it's a petrosal and also what species based on my research I believe it to be. Found: Greensmill Run, Greenville NC among a huge array of items (whale bone including several tempanic bulla, shark teeth (great white, tiger,crow, Giant White Shark etc) and two Enchodus teeth etc. Believed to be a Petrosal from Balaenoptera Sursiplana? I thought (from one specific article/image reference below) that is was possibly Plesiobalaenoptera but it noted they are only found in Italy and the long flat part seemed much thicker than the reference image, but the rest seemed better matched than from the other species noted above?
  7. Hi, just going through some rocks I brought back from Norfolk, UK, thinking quite a few may be fossils (I didn't have long so just grabbed anything I thought looked suspiciously organic by intuition) and as it turns out I think I was quite correct in a number of cases - I think I have quite a few pieces of whale and and a few little bits of mammoth tooth. Trying to confirm this to myself led to a lot of reading and learning online about the local geological formations involved and also whale anatomy, both new topics for me which I always enjoy delving into - part of the enjoyment of fossil hunting for me - I'm less of someone looking for beautiful specimens for display (though I'm not going to turn those down!) and more someone who loves the detective work of trying to identify obscure parts and recreate some aspect of the vanished world before us from its traces. And searching through whale anatomy and what these weird chunks could be I came across a picture of a whale periotic and realised that the weird little pot structure I had was almost definitely one of these, which if I am correct is good because I believe they are one part of a fragmented whale anatomy that is quite diagnostic. Also I then realised that a strangely hooked piece I found right next to it could well be the tympanic! The preservation here is unusual because many theorise that these kind of whale fossils were first laid down in sandstone in the Miocene when Norfolk was covered with a shallow warm sea, and then later in the Pliocene and early Pleistocene when temperatures dropped sea levels dropped too and the area became land (part of the reason the geology of this area is interesting is the constant transgression and regression of the sea over a few million years), these Miocene rocks were eroded away and the harder fossils reworked into new estuarine or nearshore sediments of this era, often but not always with a layer of hard iron-rich concretion coating them which helped protect them (I guess one question would be, is there anyway of easily removing this hard concretion layer?) So if I am right, these are bones from Miocene whales (many showing signs of shark damage), reburied in the Pliocene / Early Pleistocene and then finally eroded out again in the modern day - quite a journey! Anyway, enough background, for starters I'd love to see what people think about this periotic / tympanic. Am I right? Here's a summary of my findings (note I used a pic of dolphin periotic someone posted here for comparison so I hope that isn't too cheeky)
  8. I have spent many hours on this forum, but this is the first time I am posting because this inner ear bone has me completely stumped. It is the first inner ear bone I have found, and it appears to be the periotic of a small/medium cetacean. I see strong similarities with some dolphins and pygmy sperm whale specimens also pulled from the Peace River in Arcadia, FL, but none that really match up. I am new to identifying anything beyond teeth, but I was excited to find this and would love to have a better idea of what animal it is from.
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