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Found 25 results

  1. Mastodon or Gomphothere?

    Mastodon or Gomphothere? Northeast Texas North Sulphur River area find.
  2. Montbrook Florida Fossil Dig

    So, I volunteered to help excavate Gomphotheres or Rhinos or something from 6-10 myas under the guidance of Richard Hulbert and the University of Florida's Paleontology department. Yesterday was the last day of the October, 2017 to May 2018 digging season. It is intended to avoid the wet and rainy season. I am pleased that my work would help advance the dig, but I volunteered because I thought that I would enjoy it, and I did. I was given great directions and I arrived at the site just before 10 am. It was on a Horse/Cattle farm out in the middle of rural Florida. It was basically flat land leading to a hole surrounded at various points with Sandbags. Richard distributed volunteers to work on the accomplishment of 4 tasks: Excavate and Plaster Jacket 1 Rhino Adult Skull, 1 Gomph Baby/Juvenile skeleton, 1 Rhino baby skeleton, a femur and humerus from 1 or 2 Gomphs. I was assigned along with John, to assist an experienced volunteer, Susan in working on the baby Rhino skeleton. The Skull had not yet been found. After 2 hours of scrapping and digging around the skeleton mass with a screwdriver, we had the start of discovery trenches. If we found any small bones (usually toe or ankle bones, fish vertebrae, catfish spines, and some turtle shell and bones), we bagged them separately. Had we found anything that might be part of our rhino, we would have left it for inclusion in the plastic jacket) . Here is a photo of Susan and John as we were digging: The Rhino is between them. After about 2 hours, we reached a problem: Both trenches, mine and John's had bones in them: Richard came over to advise. I was trenching on the left, Richard's foot is next to the start of a Gomph bone going UNDER the Rhino skeleton. On the right, John s starting to uncover many bones. Richard suggested that I dig under and around the Gomph bone to see if it ended shortly and whether we had a possibility of extracting it without damage to the Rhino. He suggested that John pursue a slightly different path trying to avoid the bones. Unfortunately, John exposed the baby Rhino's bones above but could not find a clear path and I could not find a way to extract the Gomph bone. Because this was the last day and we had little or no flexibility, Richard decided to repack the baby rhino with sand, then sandbags, then more dirt/clay and finally a tarp to attempt protection from weather and floods in the wet season.. Well, maybe next time. However, the other 3 tasks were completed !!! Here is that other Adult Rhino Skull excavated, trenched, in the process of being plaster jacketed. Wrapped in a plaster jacket. After the plaster dries, Richard used a sledge hammer to drive 2 shovel heads under the Adult Rhino skull, and break thru the underlying sand and clay. Then roll it over into a steel web meshing, still a couple of steel rods thru the web mesh and get 6 pall bearers to carry the remains up the hill to the Museum van. I was one of those 6. We had a nice day, overcast to keep it a little cooler. I left at 3 pm with a 5 hour drive home. The driving rains started at about 4 pm and continued for the rest of the day. All in all, a great weekend.
  3. I am on a Trip to University of Florida at Gainesville Research & Collections Laboratory for Vertebrate, Invertebrate, and Paleobiology. This was today. Pretty busy with a Haile Quarry trip in the morning and then on Sunday a volunteer at a University of Florida fossil dig. Enough time to share some of the best photos... Most of this will be delayed until I am back home on Monday Photo #1 Teleoceras Photo# 2 Gomphothere Photo# 3 Possibly new ancestor of Gomphothere Photo# 4 Gomphothere Photo# 5 Baby Teleoceras Photo# 6 Rhizosmilodon fiteae skull held by Richard Hulbert, Director of Vertebrate Collection Lab Photo #7 Rhizosmilodon fiteae Photo #8 Bear_dog Photo #9 River Otter mandible There are details that will have to wait... Enjoy, Jack
  4. Got this jacket into my prep lab yesterday night, and couldn't stop myself from starting in on it today. The specimen is likely a Gomphothere scapula, with most of the articulating end intact. The matrix is a very poorly cemented sandstone, when exposed to surface conditions it becomes essentially loose sand but a few inches deep it gets decently solid. Most of the prep I did today was just using a dull small chisel to push away the matrix
  5. We got back out to the scapula jacket yesterday! The jacket we put on during a lull in the blizzard held exceptionally well. Fair weather for a change this time, the rancher had been joking about inviting us over whenever his land needed some rain (every time we've shown up before we've been rained our snowed out). We took our sweet time undercutting the jacket just to be on the safe side, then got it flipped and in the car in about an hour and a half of work.
  6. Pleistocene Proboscidean Tooth

    I found this today in a coastal Early Pleistocene deposit in South Carolina. I was thinking mammoth when I found it, but now I think it may be something else? It doesn’t have the characteristic rows of a mammoth tooth.
  7. Gompy dig this March

    Hey all! If the weather is good I'll be digging an old site the Nebraska border in Dallas, SD. Excavation around 1917 produced fish, horse, rhinoceros, and gomphothere material. I've been out prospecting the land and found pieces of ivory, bone frags, and tortoise fragments as well. I have written permission to collect and excavate there, does any want to join for a week of digging?
  8. Gomph in NEW MEXICO.

    https://tecake.in/news/science/nine-year-old-mexican-boy-discovers-1-2-million-year-old-fossilised-stegomastodon-skull-34274.html Nice article, but the author has a problem differentiating New Mexico from Mexico. Enjoy!
  9. Gomphonthere or Mastodon?

    Hi Everyone, Looking for a little help identifying a tooth I purchased at a recent Florida fossil show. It was labelled Mastodon but I was wondering if it might be Gomphothere? It was found in one of the rivers in Florida I understand which means it could have been either as I understand it. Couldn't find an easy identifier online. Thanks in advance Tom
  10. I've written trip reports before about volunteering with the Florida Museum of Natural History (FLMNH) at their various dig sites in Florida. The currently (very) active site is called Montbrook for a small town that used to be in the area (but is no more). Here are a few links from FLMNH which provide some contextual information about the site: https://www.flmnh.ufl.edu/museum-voices/montbrook/ https://www.flmnh.ufl.edu/florida-vertebrate-fossils/sites/mont/ https://www.flmnh.ufl.edu/museum-voices/montbrook/2016/09/07/why-montbrook/ The site has yielded an impressive number of specimens and is very important scientifically as it provides the best view of Florida fauna from the late Hemphillian (Hh4) North American Land Mammal Age (NALMA) from approximately 5.5-5.0 mya. The other significant locality for this age is the Palmetto Fauna a couple hundred miles south of the Montbrook site. More info here for those interested in the stratigraphy: https://www.flmnh.ufl.edu/florida-vertebrate-fossils/land-mammal-ages/hemphillian/ https://www.flmnh.ufl.edu/florida-vertebrate-fossils/sites/palmetto-fauna/ Here is a link to my Montbrook posting from 2016 showing the couple of times I managed to get out there--the last time with TFF members Daniel @calhounensis and John-Michael @Brown Bear: http://www.thefossilforum.com/index.php?/topic/63056-volunteer-dig-with-the-flmnh/ Now, enough of the links and time for a few pictures! The Montbrook site has changed quite a bit over the last year since I've been able to get out there. We had plans to return to Montbrook last October but Hurricane Matthew was an uninvited guest to Florida that week and the dig site was tarped down and the dig cancelled. Thankfully, the hurricane left my house untouched (didn't really even get rain or wind of note) and didn't mess-up the Montbrook site but we did miss an opportunity for one last trip to Montbrook in 2016. When we returned in February 2017 it took some time to get my bearings. The deeper pit to the east where several gomphothere skulls, tusks and long bones had been removed did not weather the rainy season well. This section has been backfilled with about 5 feet of sand and clay from the higher levels during the summer rain storms. For now they will concentrate digging on the main pit to the west and hope to get back to the lower "elephant" layer some time in the future--though the prep work to remove the overburden and get back to the original level will be significant. So much material has been moved from the upper western dig area that it was hard to picture exactly where we had dug nearly a year ago. I'm still not quite sure where we were in 2016 as the site has evolved greatly since our last visit. On Thursday and Friday there were mostly just a few volunteers who could make it to the site on weekdays--mainly retired folks or those with flexible schedules like us who could volunteer during the week. On Saturday there were a lot more volunteers and the dig site became a bit more crowded so you had to be aware of others digging sometimes in the grid square adjacent to yours. Here are some overall site photos I took on Saturday and you can see the line-up of cars that brought a full capacity of volunteers.
  11. Has there been any latest word on the systematics of gomphotheriine gomphotheres from North America? As far as I know, Shoshani et al. (2006) list Serridentinus as separate from Gomphotherium in their cladistic analysis of Eritreum, and I've also read that the Gomphotherium from New Mexico could represent multiple species (Heckert et al. 2000), and that Lambert and Shoshani list some North American gomphotheres synonymized with Gomphotherium by Tobien (1973) as distinct from Gomphotherium (e.g. Gnathabelodon, Eubelodon, Megabelodon). Heckert, A.B., S.G. Lucas and G.S. Morgan (2000). Specimens of Gomphotherium in the New Mexico Museum of Natural History and Science and the Species-Level Taxonomy of North American Gomphotherium. In: New Mexico's Fossil Record 2, Lucas, S.G. (ed.). New Mexico Museum of Nature and Science, Bulletin Number 16. Lambert, W. D., and J. Shoshani, 1998. The Proboscidea. In Janis, C., K. M. Scott, and L. Jacobs (eds.), Evolution of Tertiary Mammals of North America, Volume 1. Cambridge University Press: Cambridge, UK. J. Shoshani, R. C. Walter, M. Abraha, S. Berhe, P. Tassy, W. J. Sanders, G. H. Marchant, Y. Libsekal, T. Ghirmai and D. Zinner. 2006. A proboscidean from the late Oligocene of Eritrea, a ‘‘missing link’’ between early Elephantiformes and Elephantimorpha, and biogeographic implications. Proceedings of the National Academy of Sciences 103(46):17296-17301
  12. This tooth most likely came from the Khorat Plateau of Thailand which seem to find abundance of Gomphothere teeth there. Although this tooth seem to look a little different than the usual Gomphothere tooth I see, so could it be a from different creature or simply a variation of the tooth or preservation state that make it looks a little different from what I am used to, what do u guys think? Thx
  13. Gomphothere molar tooth (TBC)

    From the album Mammal Fossils Collection

    Asian Gomphothere Molar Tooth (TBC) Geological Age: Miocene (11-16 MYA) Locality: Khorat Plateau, Thailand
  14. Gomphothere molar tooth (TBC)

    From the album Mammal Fossils Collection

    Asian Gomphothere Molar Tooth (TBC) Geological Age: Miocene (11-16 MYA) Locality: Khorat Plateau, Thailand
  15. Gomphothere molar tooth (TBC)

    From the album Mammal Fossils Collection

    Asian Gomphothere Molar Tooth (TBC) Geological Age: Miocene (11-16 MYA) Locality: Khorat Plateau, Thailand
  16. Hello, I need a little help identifying these Gomphothere teeth. The first one is Miocene age, from Bosnia and Herzegovina. I am not sure where the second one is from. Thanks in advance! Sincerely, Jay
  17. Gomphothere upper tusk tip

    From the album proboscidea collection

    Tusk tip from Bosnia. Repaid in the middle. Tip is perfect.
  18. Gomphothere Tusk?

    Hi forum, I recently acquired what is supposedly a tusk from a gomphothere collected in Bosnia. It does look to be same shape and relatively the same size as other tusks I've seen, but you be the judge. I've never seen a gomphothere tusk available anywhere before this one. Are they uncommon to find? Thanks! Lauren
  19. Asian Gomphothere Molar Tooth

    From the album Mammal Fossils Collection

    Asian Gomphothere Molar Tooth Geological Age: Miocene (11-16 MYA) Locality: Khorat Plateau, Thailand
  20. Asian Gomphothere Molar Tooth

    From the album Mammal Fossils Collection

    Asian Gomphothere Molar Tooth Geological Age: Miocene (11-16 MYA) Locality: Khorat Plateau, Thailand
  21. Asian Gomphothere Molar Tooth

    From the album Mammal Fossils Collection

    Asian Gomphothere Molar Tooth Geological Age: Miocene (11-16 MYA) Locality: Khorat Plateau, Thailand
  22. collection photo

    From the album proboscidea collection

    just an overview of my proboscidea fossils
  23. Proboscidea Collection

    Hey guys, new to the forum but here is my collection focused on proboscidea but I collect other things mainly Oligocene mammal teeth and jaws, I don't have anything titanothere yet though.... also some dinosaur bones like my ceratopian jaw hinge, I've identified all of my fossils are except for the white gomp tooth on the stand, I think it might be Chinese platybelodon. anyways here it is. thanks -Rylawz
  24. Gomphothere Germ Tooth?

    I found this tooth, and what I think is a distal toe bone from a proboscidean in the Peace River last week. I have some doubt about my ID because I have read that the distal bones from the proboscideans don't fossilize well at all, and are very rare. I think the tooth is too complex to be from a Mastodon, and a Gomp tooth is also a rare (too old) find for the area.
  25. These are a few of the pdf files (and a few Microsoft Word documents) that I've accumulated in my web browsing. MOST of these are hyperlinked to their source. If you want one that is not hyperlinked or if the link isn't working, e-mail me at joegallo1954@gmail.com and I'll be happy to send it to you. Please note that this list will be updated continuously as I find more available resources. All of these files are freely available on the Internet so there should be no copyright issues. Articles with author names in RED are new additions since July 20, 2017. Order Proboscidea Superfamily Gomphotherioidea (†) Family Choerolophodontidae - Afrochoerodon and Choerolophodon Pickford, M. (2005). Choerolophodon pygmaeus (Proboscidea: Mammalia) from the Middle Miocene of southern Africa. South African Journal of Science, 101. Konidaris, G.E., et al. (2016). Taxonomy, biostratigraphy and palaeoecology of Choerolophodon (Proboscidea, Mammalia) in the Miocene of SE Europe-SW Asia: implications for phylogeny and biogeography. Journal of Systematic Palaeontology, Vol.14, Number 1. Lazaridis, G. and E. Tsoukala (2014). Choerolophodon pentelici (Gaudry & Lartet, 1856) from the Turolian locality of Kryopigi (Kassandra, Chalkidiki, Greece). Scientific Annals, School of Geology, Aristotle University of Thessaloniki, Greece, Special Volume 102. Markov, G.N. (2016). Choerolophodon (Probiscidea, Mammalia) from Staro Oryahovo near Varna, NE Bulgaria. Acta Zoologica Bulgarica, 68(4). Wang, S.-Q. and T. Deng (2011). The first Choerolophodon (Proboscidea: Gomphotheriidae) skull from China. Science China - Earth Sciences, Vol.54, Number 9. Family Gomphotheriidae Subfamily Amebelodontinae - Afromastodon, Amebelodon, Archaeobelodon, Konobelodon, Platybelodon, Progomphotherium, Protanancus, Serbelodon and Torynobelodon Konidaris, G.E., et al. (2014). The European Occurrence of the Shovel-Tusker Konobelodon (Mammalia, Proboscidea) as Illuminated by Its Presence in the Late Miocene of Pikermi (Greece). Journal of Vertebrate Paleontology, 34(6). Lucas, S.G. and G.S. Morgan (2008). The Proboscidean Amebelodon from East-Central New Mexico and Its Biochronological Significance. In: Neogene Mammals. Lucas, S.G., et al. (eds.), New Mexico Museum of Natural History and Science, Bulletin 44. Markov, G.N. and S. Vergiev (2010). First report of cf. Protanancus (Mammalia, Proboscidea, Amybelodontidae) from Europe. Geodiversitas, 32(3). Osborn, H.F. (1933). Serbelodon burnhami, a Shovel-Tusker from California. American Museum Novitates, Number 639. Osborn, H.F. and W. Granger (1931). The Shovel-Tuskers, Amebelodontinae, from Asia. American Museum Novitates, Number 470. Osborn, H.F., et al. (1932). Platybelodon grangeri, Three Growth Stages and a New Serridentine from Mongolia. American Museum Novitates, Number 537. Semprebon, G.M., et al. (2016). An examination of the dietary habits of Platybelodon grangeri from the Linxia Basin of China: Evidence from dental microwear of molar teeth and tusks. Palaeogeography, Palaeoclimatology, Palaeoecology, 457. Wang, B.-Y. and Z.-X. Qiu (2002). A New Species of Platybelodon (Gomphotheriidae, Proboscidea, Mammalia) from Early Miocene of the Danghe Area, Gansu, China. Vertebrata PalAsiatica, 40(4). Wang, S.-Q., W. He and S. Chen (2013). The gomphotheriid mammal Platybelodon from the Middle Miocene of Linxia Basin, Gansu, China. Acta Palaeontologica Polonica, 58(2). Wang, S.-Q., et al. (2016). A new species of the tetralophodont amebelodontine Konobelodon Lambert, 1990 (Proboscidea, Mammalia) from the Late Miocene of China. Geodiversitas, 38(1). Wang, S.-Q., et al. (2016). Morphological and ecological diversity of Amebelodontidae (Proboscidea, Mammalia) revealed by a Miocene fossil accumulation of an upper-tuskless proboscidean. Journal of Systematic Palaeontology, 2016. Wang, S.-Q., et al. (2015). Evolution of Protanancus (Proboscidea, Mammalia) in East Asia. Journal of Vertebrate Paleontology, 35. Ye, J., Z.-X. Qiu and J. Chen (1989). Comparative Study of a Juvenile Skull of Platybelodon tongxinensis. Vertebrata PalAsiatica, 27(4). Subfamily Anancinae - Anancus (May belong with Elephantidae) Athanassiou, A. (2016). Craniomandibular remains of Anancus arvernensis (Proboscidea, Mammalia) from Greece: The samples from Kalliphytos (E. Macedonia) and Sesklo (Thessaly). Quaternary International, 406. Athanassiou, A. (2014). Anancus arvernensis (Proboscidea, Mammalia) from Kalliphytos (Drama, E. Macedonia, Greece), with a revision of existing samples from Greece. Scientific Annals, School of Geology, Aristotle University of Thessalonki, Greece, Special Volume 102. Boscato, P., M. Coltorti and P. Reggiani (2008). Pliocene Anancus arvernensis (Croizet & Jobert, 1828) remains from Cetona (Siena): stratigraphy, chronology, and paleoenvironment. Boll.Soc.Geol.It., Vol.127, Number 1. Chen, G.-F. (1999). The Genus Anancus Aymard, 1855 (Proboscidea, Mammalia) from the Late Neogene of Northern China. Vertebrata PalAsiatica, 37(3). Garrido, G. and A. Arribas (2014). The last Iberian gomphothere (Mammalia, Proboscidea): Anancus arvernensis mencalensis nov.ssp. from the earliest Pleistocene of the Guadix Basin (Granada, Spain). Palaeontologia Electronica, Vol.17, Issue 1. Hautier, L., et al. (2009). New material of Anancus kenyensis (proboscidea, mammalia) from Toros-Menalla (Late Miocene, Chad): Contributions to the systematics of African anancines. Journal of African Earth Sciences, 53. Hay, O.P. (1925). On Remains of Mastodons Found in Texas, Anancus brazosius and Gomphotherium cimmaronis. Proceedings U.S. National Museum, Vol.66, Article 35. Hooijer, D.A. (1953). On Dredged Specimens of Anancus, Archidiskodon and Equus from the Schelde Estuary, Netherlands. Leidse Geologische Mededelingen, XVII. Khan, M.A., et al. (2011). The longest tusk of cf. Anancus sivalensis (Proboscidea, Mammalia) from the Tatrot Formation of the Siwaliks, Pakistan. Current Science, Vol.100, Number 2. Rivals, F., et al. (2014). Resource partitioning and niche separation between mammoths (Mammuthus rumanus and Mammuthus meridionalis) and gomphotheres (Anancus arvernensis) in the Early Pleistocene of Europe. Quaternary International, xxx. (Article in Press) Saegusa, H. and L.J. Hlusko (2007). New Late Miocene Elephantoid (Mammalia: Proboscidea) Fossils from Lemudong'o, Kenya. Kirtlandia, Number 56. Schreuder, A. Upper-Pliocene Proboscidea Out of the Scheldt and the Lower-Rhine. Leidse Geologische Mededelingen, XIV. Subfamily Cuvieroniinae - Amahuacatherium, Cuvieronius, Haplomastodon, Notiomastodon and Stegomastodon Alberdi, M.T., J.L. Prado and R.Salas (2004). The Pleistocene Gomphotheriidae (Proboscidea) from Peru. N.Jb.Geol.Palaont.Abh., 231(3). Alberdi, M.T., et al. (2009). 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