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  1. Necropedia

    Introduction

    Hello everyone. My name is John and I recently graduated with departmental honors in Paleontology from the university of Oregon. I regularly collect from the Astoria formation of the Oregon coast and produce replicas of specimens collected there. I'm currently trying to get into graduate programs. I have a few research ideas relating to paleoecology of dinosaurs and the functional morphology of various features seen in dinosaurs and extinct mammals. My main interest is dinosaurs, however my research currently undergoing peer review relates to how ecology, diet, and body mass drive reproductive strategies in extant carnivorous mammals. I currently make fossil replicas using an eco friendly plant based mold making compound that has a low melting point. This material can be melted down in the microwave and poured to produce molds. The benefit to this is that as molds degrade or get damaged they can be broken down and the material reused. I believe I'm the first to use this method of fossil replication. I've attached a section from the left dentary of an Albertosaurus that I replicated using this mold making material.
  2. North Pacific Rim's Desmostylus, is a goofy toothed mammal, which belongs to a group with no close living relatives. Because it is unlike any living mammal, palaentologists have had a hard time figuring out its lifestyle. The Desmostylia are weird and mystifying creatures . Basically they are only found from deposits of the Late Oligocene and the Miocene. Desmostylus is assigned to four genera that have only been found in Japan and along the west coast of Mexico and the United States, to as far north as Washington. Fossils of Desmostylus were first described in 1888 by Othniel Marsh, from marine deposits collected in Alameda County, California. The fossils were considered to represent Sirenians, and subsequent fossils found in Japan were interpreted as possibly being primitive elephants or Sirenians (sea-cows). The bizarre Desmostylians has some unique physical features, such as the teeth that show pattern of wear in their enamel that are not observed in any modern mammal, and science is not yet certain just what these short-tusked, shovel-jawed animals ate. The most compelling evidence suggests they were herbivores. Comparisons have been made between desmostylians and the hippopotamus but i just read their lifestyle may have been more like that of the sea lions. I don't know if this means they ran on the bottom of the sea like a hippopotamus or swam like a sea lions? This creature I feel has still some understanding to be uncovered. So show us your Desmostylus martial. American Museum of Natural History NY Desmostylus reconstruction. Image: K.Matsui/Smithsonian. Institution.
  3. bcal

    ls this a fossil?

    I found this sticking out of the ground. I walk through a semi wetland woods. Often, I find many things like this. What is it?
  4. Jeffrey P

    Western Adventure Part 6

    One week fossil collecting trip out west, my sixth time in the past six years. Flew into Denver. Rented a car and headed down to Castle Rock where I spent the night at a motel. Next day drove up to Florissant Fossil Quarry. It was Wednesday and they're normally closed during the week in September, but I made special arrangements for a few hours visit. Compared to my two previous visits there, didn't do as well. The other times, I was there for the whole day, this time was just for three hours, and they had had a considerable amount of rain recently and so the shale was more crumbly and more difficult to split. Here are some of my finds. Plants:
  5. I found this mammal material, it is from the Pleistocene in a cave in Yucatán, Mexico. Can you help me identify please?
  6. Hi everyone! I am a fossil collector base in SEA and looking for some mammals and other stuff that I haven't have before. Here is my list below for mammals and fossil that i'm looking for some fossil: + otter tooth from USA + pronghorn tooth fossil from USA + some bird bone from Pleistocene USA which can ID + turtle piece from Pleistocene USA which can ID + coyote tooth from USA + Holmesia septentrionalis scute from USA + GLytotherium scute from USA + other stuff micro pleistocene fossil (fish, rat,...) I am looking for other invertebrate if I don't have especially Pleistocene age is belong to my study. I can trade or if it not enough I can send you more money. Here is the list of fossil I can trade to you + Bat fossil (Chiroptera) + Macaque fossil + Leaf monkey fossil (those monkey just found in my region) + Wild boar fossil + Deer tooth (sambar deer) + Wild dog fossil (Cuon sp.) + porcupine (Hystrix brachyura) + bamboo rat + rat fossil Here is a example of a piece that I willing to trade. A matrix of cave deposits which including leaf monkey canine and bone of some animal, for other please drop me a mail so I can send you photo easily.
  7. One hole in the skull rather than two, next thing you know it's fur and feathers, beaks and molars. I know evolution is quirky but that seems like slim thread to hang a lineage on.
  8. Gelatinous squid

    Why are there no bats of prey?

    I suppose owls took that niche but bats have been around since the Eocene. It seems odd that they never developed into large=prey predators.
  9. Here is another activity going on in the Denver area.... WIPS is the Western Interior Paleontology Society, a group of amateurs and professionals based in Denver. They do a Symposium every other year and this is the first one in a few years due to covid. Mammals is the theme... It is also available on Zoom... virtual attendance... Registration is 120 bucks for the two days, and only 25 for students and educators. There will be a half dozen speakers each day, art exhibits and fossil displays... (including one by my own outfit, the Tate Geological Museum). Here is the link... https://westernpaleo.org/wp/?page_id=928 Hope to see some of you there, esp those in the area of Colorado
  10. fossilhuntr1

    Mississippi Pleistocene Jaws

    These are from the Pleistocene of Mississippi
  11. Jeffrey P

    Mammal Tooth From Big Brook Trib

    I found this yesterday in one of Big Brook's upper tributaries. Big Brook is in Monmouth County, New Jersey and is famed for its Upper Cretaceous fauna. Occasionally, Pleistocene material is found there. This definitely is not Cretaceous. Probably modern though it does feel heavier than a regular tooth. Deer is a likely candidate, but I wouldn't rule out caribou in which case it would be a fossil. I have found a lot of modern bones in the brooks in Monmouth County. Any ID help or direction to resources would be appreciated. Thanks.
  12. Have I found a tiny fossilized mammal jaw? Found from the gulf of kutch(65-2 mya) late cretaceous-tertiary. It was found in a creek .
  13. Hi everyone! This thread is dedicated to our Southeast asis fossil cave adventures and finds. One of the important sites for the Stegodon - Pongo - Ailuropoda fauna of the Pleistocene. This not only just fossils but also the Paleolithic and Neolithic found. Following this and I wil explain more experiment on IDyng the cave fossils and some basic things to know the age of them. Hope you guys enjoy it! This is my first trip in North Viet Nm. Cave entrance (usually Pleistocene cave have very small entrance) Just 15 minutes and I discovered a hominid tooth. It not my first time but I really love that moments. I use to found mammals before but just normal deer fossils. Looking for fossils into these cave deposites and cave breccia is not easy
  14. In the summer of 2020 jpc and I had planned to get together in Eastern Wyoming to collect. That trip was unfortunately aborted by the coronavirus outbreak that year. This year, that conversation resumed and a new plan for a three day excursion in June emerged. I decided to make it a two week long car trip, driving all the way from New York, a longer car trip than any I've made in the past 25 years. That would afford me the opportunity to stop at some other sites on the way there and back, plus see some family. Another big reason for driving was an opportunity to visit and collect at the Big Cedar Ridge Cretaceous plant site. Having the car would afford me the opportunity to bring the necessary tools and be able to transport the fragile specimens safely. The rising price of gasoline certainly had an impact, and my plan was to cut costs as much as possible wherever I could. Part of that plan was camping 10 nights I departed the suburbs of New York City on Saturday, June 11th. That evening I arrived at Sturgis, MI, just off interstate 80. Spent the night in a motel and headed off the next day, driving through the heart of Chicago enshrouded in mist. It was my very first time driving through that city. I headed north and in the middle of the day arrived at my cousin's place in Madison, WI. He had moved there from Manhattan five years ago to teach music at the University of Wisconsin. This was my first time visiting him there, my first time in Wisconsin, actually. He took me on a lovely tour of the school and the town. I spent the night and was on my way again just before noon the next day. It rained off and on as I drove through Western Wisconsin and crossed the Mississippi into Dubuque, Iowa. From there it was a short drive to my first fossil stop- at Graf. This Upper Ordovician site in Maquoketa Formation is famous for its nautiloid death assemblage. I have found quite a few nautiloids over the course of my collecting career, but I've never encountered a site where they are thoroughly dominant. There was a layer of limestone, a few feet thick that was in many places just packed with their shells.
  15. Tidgy's Dad

    How Mammals Survived The Extinction.

    https://www.bbc.com/future/article/20220812-dinosaur-extinction-why-did-mammals-survive
  16. real_Ryan

    Some unknown mammalian mandible

    The fossils, some of which are believed to come from Oligocene strata in South Dakota, were found in a box. Please help identify. Thank you very much.
  17. RiverGirl77

    Bison astragalus?

    Went hunting on our place along the Brazos river in Chappell Hill, Texas yesterday. Wanted to see if someone could help Id this bone… I’m thinking bison astragalus but not sure. Also threw in picts. of a couple of points (not fossils) we found for fun… Thanks
  18. Shellseeker

    Peace River hunting

    Went to a location in the Peace River yesterday where I had previously found some silicified fossils and was hopeful of finding more. This particular spot has the fewest shark teeth of any of my Peace River locations. The hunting did not start with much success. Either I could not locate my previous spots or someone else had cleaned them out. A normal hunt is about 6 hours digging, and I was 2.5 hours in with 6 small shark teeth and one slightly damaged horse tooth for my efforts. The damage to the occlusal surface is unusual and there seems to be some silification. The water is shallow, not deeper than 3-4 feet to cross the river and I am gradually moving upstream checking on the inside banks after curves. I found what seemed to be a beat up piece of coral and then soon after an upper jaw Llama tooth with 2 of it 4 roots. It almost seemed like a "honey hole" compared the morning.I was something NICE about every 3rd sieve, but also every 3rd sieve had zero fossils. I was digging in a thin layer of gravel on top of clay and mud, under 18 inches of sand which has been exposed by summer floods and it seemed that some of these had been encased in that wrapping for most of their existence as fossils. So basically something nice every 20 minutes for the next couple of hours until I have exhausted this gravel layer and forced to move upstream. Some examples: A giant Armadillo edge scute.... Look at the quality of the tiny lines, zero water erosion. This is as good as any I have found in 10 years. A small piece of dolphin jaw and a very nice River Dolphin petrosal: This was followed later by a very nice but small Dolphin tooth with some feeding damage on the tip ery good day , not my best and then a silicified gator tooth about 42 mm in length,, glittering in the sunshine. There was a turtle spur and an Astragalus, maybe from a juvenile Llama. Very good day, I would have to note the Mosquitos... 20-30 around both of us for most of the day. I take many precautions... Standing in water, 2mm wet-suits for pants and long sleeve jacket, I also wear one of those Covid ,neck_head tubes to cover my ears. Everything heavy duty spray and they were still attacking nose, cheeks , eyebrows. I killed a bunch but a few got thru. At the end , I found another tooth that might be identifiable. or maybe not.. Heading out tomorrow, Wife flies out for 10 days on Saturday and I'll be on dog_sitting duty. It is a good time to sort, catalogue fossils.
  19. Opabinia Blues

    Bunch of Peace River bones

    Hello, I’ve got a good lot of Peace River fossils from Florida that I bought in bulk and unidentified. A few of the pieces I could figure out on my own, but on most of them I’m clueless. I recognize that most of these may not be totally identifiable, but if you recognize something here your help would be appreciated. Below I will post pictures in separate replies. Feel free to ask for more angles/closer photos of any pieces that you might be able to help me with. Thanks in advance!
  20. My friend gave me these tooth. The information that I got is they are from Pleistocene of Florida. But not ID for the species. I just wonder are these belong to beaver, giant beaver or giant capybara because all of them have fossil in Florida land. thank for reading!
  21. The rise and fall of the world’s largest lake By Sid Perkins, Science News, Jun. 4, 2021 The open access paper is: Palcu, D.V., Patina, I.S., Șandric, I. et al. Late Miocene megalake regressions in Eurasia. Science Reports 11, 11471 (2021). Yours, Paul H.
  22. Comoros

    Proboscid Tooth

    I found this Proboscid tooth on a riverbank in Kenya. Is it a recent one from L. africana or something older? It is about 9 or 10 cm long.
  23. PFOOLEY

    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 the morning. Happy hunting. -P.
  24. Hi, as recently I have been going mainly to the Pleistocene location, I have lots of surplus fossils I will gladly trade I'm not looking for anything specific - all offers are welcome. Set A Set B Set C Set D All these fossils come from Góra Kalwaria, Poland.
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