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  1. Hi all - I've just completed my 11th annual roundup of all of this year's peer-reviewed articles in marine mammal paleontology. Lots of important new studies on fossil toothed whales! Links to the publisher/journal page are provided with each entry. Read it here: https://coastalpaleo.blogspot.com/2023/12/2023-in-review-advances-in-marine.html
  2. Hey all, I've been off the forum for a couple weeks owing to a very hectic schedule including some research deadlines, lots of outreach events, and final exams (which just finished for me yesterday). One of the things that happened recently is the publication of our new paper (monograph, really) on the toothed baleen whale Coronodon from the Oligocene of South Carolina. We report a bunch of new specimens including juveniles and an old adult of Coronodon havensteini (the species we first named in 2017) and two new species from the Chandler Bridge Formation - Coronodon planifrons and Coronodon newtonorum. Virtually all of these specimens were found by amateur fossil collectors and donated for study! You can read the paper here for FREE: https://peerj.com/articles/14795/ BUT - it is 150 pages long, so I also wrote the 'clif notes' version on my blog. Blog post #1: new specimens of Coronodon havensteini, and a background to our research: https://coastalpaleo.blogspot.com/2023/04/new-fossils-of-coronodon-1-new.html Blog post #2: new species of Coronodon: https://coastalpaleo.blogspot.com/2023/04/new-fossils-of-coronodon-2-two-new.html EDIT: I've just written Blog post #3, broader implications of Coronodon: https://coastalpaleo.blogspot.com/2023/05/new-fossils-of-coronodon-3-implications.html
  3. I got some marine mammal teeth from Kallo (near Antwerp) Belgium. I've tried to identify these, but find it difficult. Who knows more about this and wants to help me on my way? Squares in centimeters! I think the first three teeth are Delphinodon dividum (True 1912). Clear serrations and striking ''teardrop-shaped tooth crown''
  4. Hey all, Part 2 of my blog series on whale and dolphin earbones is here - my guide to identifying isolated dolphin/toothed whale (Odontoceti) periotic bones. Check it out here: https://coastalpaleo.blogspot.com/2023/01/bobbys-guide-to-whale-dolphin-earbones.html Sample image:
  5. Hey all, it's been a decent year for marine mammal paleontology: I wrote my yearly blog post reviewing all of the new studies that came out. Check it out below: https://coastalpaleo.blogspot.com/2023/01/2022-in-review-advances-in-marine.html Also - some selected images of the more spectacular marine mammal fossils described this year:
  6. Hello! I am a professor teaching at the Dauphin Island Sea Lab this summer. I teach the Marine Mammal Bio Class. I have an extra day available next week to take the students on a field trip. I know that Alabama has a hot bed of marine fossils. I would love to take the students fossil hunting where we might find marine mammals. NOTE: I know the chances would be very low to make such a find, and if we did find anything, we would leave it and contact other scientists to reveal the location. But I wanted to ask if anyone could suggest the following: 1. I know many houses used to use Basilosaurus vertebrae as cornerstones. Are there any examples of this still available to see in the bottom half of the state? We are willing to take them as far north as say Selma, Montgomery, Pratville? Maybe slightly more north. I must drive them from the coast (Dauphin Island). 2. Are there any museums with fossils of marine mammals in the bottom half of the state? Montgomery? Mobile? 3. Can anyone suggest a site where I could take the students to hunt that is available to the public? Where it could be a long shot to find something marine mammal related, but also more likely to find shark teeth or mollusks? Thank you for letting me ask these questions. Jennifer
  7. Hi there, I found this in a field in Templeton, CA, in an area surrounded by jasper and chert. I’ve read (including on here, thanks!) that the area is known for marine mammals, but I have no idea what I’m doing when it comes to bone ID. Any help is appreciated, even if you tell me it’s bbq. Thanks for reading!
  8. ThePhysicist

    Interesting mammal teeth (modern)

    Hi y'all. While visiting a local rock shop, I saw these mammal teeth in a tray labeled "shark teeth," along with actual shark teeth. I wasn't sure of what they were and decided to take them home. Their proximity to another tray of fossil cetacean teeth and their rough similarity (crown-to-root ratio) made me think they could be odontocete. Thanks for any help! @Boesse@Harry Pristis
  9. I'm going through my vertebrate collection and making sure the labels are correct before I start forgetting everything haha. I have here two small bones that I found from the Lee Creek Mine in NC. I collected the white one from the Pliocene Yorktown Fm, a marine fauna. The brownish one was collected from mine spoil, so it could range from Miocene-Pleistocene. I have them tentatively identified as marine mammal phalanges, but these are somewhat out of my comfort zone. Thoughts? I"ve tried to show the two bones from all angles. If better or additional photos or needed, please let me know Thank you in advance!
  10. Hey all, Thought I would share this blog post that has a comprehensive review of all papers in marine mammal paleontology published in 2020. Enjoy! https://coastalpaleo.blogspot.com/2020/12/2020-in-review-advances-in-marine.html
  11. A beautiful Friday at Stratford Hall in Virginia yielded few teeth, but a curious bone that matches one I collected on another occasion from the same spot. My gut says they are from the ear? Skull somehow? But I can’t find a good match... I’m hoping someone with more experience will recognize. Thanks !
  12. I have here a 3" piece of bone, found in Calvert Cliffs, Maryland. I'm not well-versed enough with these to narrow it down further from marine mammal, and am hoping that these photographs contain some identifying features that may be useful to one more familiar with these. Can it be narrowed down any further?
  13. Hey all, I wrote up some more on our recent paper on the giant dolphin Ankylorhiza (formerly Genus Y) from the Oligocene of South Carolina - this is a bit more interesting as it covers the anatomy, adaptations, feeding ecology, and evolutionary implications of the discovery. Hope you can give it a read! https://coastalpaleo.blogspot.com/2020/08/ankylorhiza-tiedemani-giant-dolphin_9.html
  14. Hey all, Since COVID began and I've had more free time I've been getting back to blogging, and now I'm regretting taking such a hiatus since I started here in Charleston. I've written the first of a 2 or 3 part series of semi-technical blog articles that most here should understand and appreciate on our new study on the giant dolphin Ankylorhiza tiedemani (formerly known as Genus Y). The first post is about the background to our paper, and the second one will be a bit more on the anatomy, feeding behavior, locomotion, and evolutionary implications of Ankylorhiza. Take a read here: https://coastalpaleo.blogspot.com/2020/08/ankylorhiza-tiedemani-giant-dolphin.html
  15. BellamyBlake

    Is this Bone?

    Hi everyone, This is more of a general question for my own knowledge. I've been trying to determine better how to differentiate between fossil and rock. I know it can be hard at times. I read various posts here to learn how, and I wanted to try my hand at it. I believe these are all fossilized bone found in a Florida river. I know it's almost impossible to identify exactly what they are, but I'd only like to know if they are actually bone. Would anyone be able to tell? Each piece is around 1 inch long.
  16. Hi all - I did not have time in January when I normally write these up, but thanks to Covid quarantine I managed to get some time last month and write up a comprehensive review on my blog of every single 2019 paper in marine mammal paleontology. Enjoy! https://coastalpaleo.blogspot.com/2020/05/2019-in-review-advances-in-marine.html
  17. Hi all - in the hopes of attempting to reach a wider audience, and anyone who has collected possible sea otter fossils, I'm sharing the first two posts from my blog "The Coastal Paleontologist" in a short series on sea otter paleontology and evolution. The first one is mostly a bit on sea otter biology, and the second is the first one that really deals with the paleontology aspect. The third (and fourth?) posts will deal with what the limited fossil record can tell us about sea otter evolution. The sea otter fossil record is quite poor, and I'm hoping that some of you may have found some fossil specimens and might consider making them available for scientific study. Anyway, here's part 1: https://coastalpaleo.blogspot.com/2020/05/the-terrible-fossil-record-of-sea.html And part 2: http://coastalpaleo.blogspot.com/2020/06/the-terrible-fossil-record-of-sea.html Part 3: will update as soon as I get it finished! And a teaser - the left mandible of the holotype specimen of Enhydra macrodonta from the Crannell Junction locality right off of Highway 101 near Arcata, California. I spent about 3 years emailing various curators about this fossil, if they had it on loan, and I finally got a response from Dr. William Miller III at Humboldt State University in Arcata that he didn't remember such a specimen existing there. The paleontologist who named it, Dr. Frank Kilmer, who was retired, mailed me a letter indicating that the mandibles had been given back to the private collector (!!!) after the species was published - but nobody at HSU knew their name! One former student did, but would not return my phone calls. I visited HSU in 2008 when I was an undergraduate student and rifled through their teaching collection and found A mandible, but I didn't think it was THE mandible, because of Kilmer's letter, and a misplaced label suggesting it was from a different locality (and therefore a duplicate specimen rather than the original). Dr. Miller indicated I should arrange for the fossils to be transferred to a larger museum, as he was certain that the collection would be thrown in the garbage after he retired! I visited again two years later and set aside all the specimens that should be transferred and secured an agreement from HSU for the material to be transferred to UC Berkeley, which finally happened about five years later. I did not realize that this mandible was in fact THE mandible, or at least half of the holotype (the right mandible is still missing, presumably in that private collection) until I was able to download a much, much higher quality scan of the photographic plates in Kilmer's 1972 paper, and I was able to match barnacle scars between the published image and the fossil. So, we may not have the more complete of the two mandibles, but at least we have one of them, and it is my hope that there is more material in private collections and that more can be discovered in the future.
  18. I’ve received a chunk of what I believe to be a marine mammal bone from a diatomite mine in the Monterey Formation in Southern California. It is from the late Miocene but I’m not sure what mammal or what bone it is. I know this is a long shot as there isn’t much to go off of but anybody have a clue?
  19. Below are some more of my macro fossils that I’ve recently put in 16”X12” Riker mount displays. All of the specimens in these displays come from the Miocene of Virginia. The first display with shark/ray specimens, the second display with bony fish specimens, the third display with marine mammal specimens and the last display with reptile specimens. I'm getting some more Riker mount displays Saturday and I'll post some more displays with more of my macro specimens from the Miocene of Virginia. To see a previous post with Riker mount displays with macro specimens from the Paleocene Aquia Formation of Maryland and the Eocene Nanjemoy Formation of Virginia check out the below link: http://www.thefossilforum.com/index.php?/topic/101415-a-few-riker-mounts-with-specimens-from-the-aquia-formation-of-maryland-and-the-nanjemoy-formation-of-virginia/ To see a previous post with Riker mount displays with macro specimens from the Miocene Round Mountain Silt Formation of California, the Eocene/Oligocene Chadron/Brule Formations of Nebraska, and the Miocene of Virginia check out the below link: http://www.thefossilforum.com/index.php?/topic/101441-a-few-more-riker-mount-displays-with-macro-specimens-from-the-round-mountain-silt-formation-of-california-the-chadronbrule-formations-of-nebraska-and-the-miocene-of-virginia/ Display with shark/ray specimens. The top of the display has shark vertebrae. Then there are Otodus megalodon teeth (for size reference the largest megalodon is 4.75” and the smallest is .625”). Then there are some Hemipristis serra shark teeth. The bottom has two eagle ray barbs and pieces of eagle ray dental plates. Display with bony fish specimens. The top of the display has bony fish vertebrae with a Wahoo jaw (6.5” long for size reference), a hypural fan, several bill fish bills and two small fish jaws. Then the middle has lots of fish jaws with some black drum jaws on the far left and most of the other jaws to the right being red drum. The bottom has ocean going sun fish bones including three jaws and there are some more bony fish vertebrae on the far right. Displays with marine mammal specimens. The top and middle of the display has Cetacean bulla and periotic ear bones (for size reference the largest is 3“). The bottom left has Cetacean vertebrae, flipper bones and two small jaw fragments. The right contains Cetacean teeth. Display with reptile specimens. The very top has two coprolites most likely crocodile. Then some crocodile jaw pieces with a number of crocodile teeth and a crocodile scute (for size reference 4.5” by 3.25”) on the far right. The bottom has turtle caprice/plastron pieces and a good number of leatherback turtle carapace bones. Marco Sr.
  20. Can anyone identify this what type of marine life this skull is part of? I found it today along the East Coast of United States - Atlantic Ocean Spoon in photo for scale. The strange up raised markings on top are perplexing. Type of Eel perhaps? It's wet from me rinsing it in sink. Thank you!
  21. Wynand

    Dolphin humerus?

    Picked up on beach along with numerous whale verts and bones. Very dense & heavy, with defined (yet worn) ends. Closest match I could find is a dolphin humerus... Any ideas are welcome.
  22. hemipristis

    Mystery items from LC: Marine mammal?

    Here are a pair of head-scratchers that I found i at LC. The first is from the Pungo River Fm I thought was a bivalve steinkern, but it is not carbonate, which one would expect in the lime layers of the formation (that, or phosphate, and itisnt phosphate). There is still some matrix on it. So that leaves me with maybe some portion of the bulla/ear region of a marine mammal, but that's purely a guess. The second is from the Pliocene Yorktown Fm, and the material appears to be the same as that of cetacean tympanic bulla. But it doesn't look like one, or like anything Ive seen from a cetacean. Any ideas? thanks
  23. RyanDye

    "Mammal Tooth" Shark-tooth Hill

    Mammals make up the bulk of my knowledge, but for this specimen I'm clueless. I'm thinking from the locality and the general look of the tooth it could be whale of some sort, possibly a dolphin? Allegedly it was found in Bakersfield California, Shark-tooth hill. I don't own this fossil so these pictures are the best I can get unless I purchase it, what do you guys think it is?
  24. fossilsonwheels

    Cetacean Bulla ID

    I have a whale bulla and I am hoping to get some ID help with this. It was labeled as a Sperm Whale ear bone but after searching pretty extensively, it looks more like a Mysticeti whale to me. I am far from an expert though so I thought I would post it here and see if anybody has any thoughts on it. It was a dive find in South Carolina. It is a pretty good sized ear bone I think, about 4.8 inches long. Any help would be greatly appreciated.
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