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Found 13 results

  1. Amazing Pertified Creatures

    Found in northwest San Antonio, Texas this January 2020
  2. Amazing Pertified Creatures

    This was found in northwest San Antonio, Texas yesterday.
  3. Amazing Pertified Creatures

    I found these petrified specimens on private land in the northwest part of San Antonio, Texas over the last 10 months. I did little, if any digging, as recent rain has exposed them. I'm here to learn about the science, as well as what I have in my possession. They are beautiful creatures whom appear to have been frozen in time. What exactly are they and how did they end up in this state of condition. I'm excited to hear you responses as I am new to this "world of fossils" but a willing participant. Thanks for letting me take part.
  4. Multiple new walruses described in this paper. https://phys.org/news/2020-11-paleontologists-uncover-species-extinct-walruses.html
  5. Hi everyone, I recently came across online Alaskan fossils. Specifically they are a Polar Bear and Walrus tooth from St. Lawrence Island, Alaska. There doesn't seem to be much of a consensus on the age ranges for those teeth, and having those would be useful to me. According to a geological map, St. Lawrence Island, Alaska, is Quaternary at its earliest: https://alaska.usgs.gov/science/geology/state_map/interactive_map/AKgeologic_map.html. That already puts me at a range of 2.6 million - 11,000 years, pretty wide. Initial research suggests polar bears evolved maybe 150,000 years ago, and their oldest fossils are around 120,000. I have no idea on the walrus yet. Does this mean, though, that my polar bear tooth is between 11,000 and 120,000 years old, or could it be narrowed down further? I'd love some insight from those who have knowledge of these aspects of paleontology. I would appreciate age ranged on the polar bear and walrus fossils found on St. Lawrence Island, Alaska. Thank you, Bellamy
  6. Seal or Walrus?

    hello all, it's been a while since I've been on. I hope you are all doing well in these trying times. I recently purchased a series of large mammal phalanges from Lee Creek. They're clearly Yorktown (Pliocene). While they seem to resemble seal phalanges, they're awfully large (14-15 cm). I'm wondering if they are walrus instead? Does anyone know if the last Smithsonian Lee Creek volume (Vol 4) is available online as a pdf? Alternately, are there easy "tolls" that I can use to distinguish, or does anyone feel comfortable making a distinction? Thanks!
  7. 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
  8. I'm trying to identify the polished fossil material in this Georgian English snuffbox, circa 1760 to 1820. Is it mammoth ivory? Walrus? Wood? Something else? The material is set in unhallmarked sterling silver. Thanks in advance for your suggestions. Adam
  9. A couple of Ws

    I had the pleasure of meeting a Florida Fossil Expert and dealer of 50 years. I went to his home and viewed many amazing treasures including numerous high quality 6 inch Megs . I also picked up 2 fossils for my collection: A whale tooth from a Bone Valley phosphate mine and a Walrus Tusk Tip from SMR Aggregates Quarry west of Sarasota. Both were found in the 1980s. I love whale and previously had no walrus. At first, I thought that this looks a lot like the heavily fossilized Dugong ribs that I find in the Peace River, but in looking closely at the shape, ridges, texture of the fossil, I believe it fits the identification of Walrus. This is a request ID thread. Let me know what you think. Thanks Jack
  10. Leeds man finds 140,000-year-old walrus skull while fossil hunting on Yorkshire clifftop, Yorkshire Post https://www.yorkshirepost.co.uk/news/leeds-man-finds-140-000-year-old-walrus-skull-while-fossil-hunting-on-yorkshire-clifftop-1-9266896 Yours, Paul H.
  11. Walrus tusk fragment?

    Dear Guys, Today I found very interesting and also simply looking tusk fragment in Varena town (South Lithuania) near my home. Its length is 8,3 cm and it has thick bone layer in the both ends. It is almost straight and by appearance of piece I see that it was long and sharp. The age of fossil is Late Pleistocene, the last glaciation times. Any idea what is this? Best Regards Domas
  12. Marine Mammal Tooth or Tusk

    Trying to figure if this is a walrus tusk or whale tooth - doesn't look like most of the whale teeth I've seen. I'm inclined more towards a sperm whale. Position in the jaw? This is an inshore ocean/ estuary find from GA. Same area as shark teeth. Thanks for any help.
  13. 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 May 23, 2018. Order Carnivora Clade Pinnipedia - Seals, Walruses and their Relatives Family undetermined Northover, J.M. (2010). Skeletal Morphology and Evidence for Swimming in a Fossil Stem Pinniped, Puijila darwini, from the Canadian High Arctic. Masters Thesis - Carleton University. Paterson, R. (2017). Evidence for independent acquisition of aquatic specializations in pinnipeds (seals, sea lions and walruses): insights from the study of the phylogenetic position, locomotor behaviour and description of the stem pinniped, Puijila darwini. Masters Thesis - Carleton University, Ottawa. (326 pages) Rybczynski, N., M.R. Dawson and R.H. Tedford (2009). A semi-aquatic Arctic mammalian carnivore from the Miocene epoch and origin of the Pinnipedia. Nature (Letters), Vol.458. Family Enliarctidae (†) Barnes, L.G. (1992). A New Genus and Species of Middle Miocene Enaliarctine Pinniped (Mammalia, Carnivora, Otariidae) from the Astoria Formation in Coastal Oregon.Contributions in Science, Natural History Museum of Los Angeles County, Number 431. Barnes, L.G.(1990). A New Miocene Enaliarctine Pinniped of the Genus Pteronarctos (Mammalia: Otariidae) from the Astoria Formation, Oregon.Contributions in Science, Natural History Museum of Los Angeles County, Number 422. Barnes, L.G. (1989). A New Enaliarctine Pinniped from the Astoria Formation, Oregon, and a Classification of the Otariidae (Mammalia: Carnivora). Contributions in Science, Natural History Museum of Los Angeles County, Number 403. Barnes, L.G. (1979). Fossil Enaliarctine Pinnipeds (Mammalia: Otariidae) from Pyramid Hill, Kern County, California. Contributions in Science, Natural History Museum of Los Angeles County, Number 318. Berta, A. (1994). New Specimens of the Pinnipediform Pteronarctos from the Miocene of Oregon. Smithsonian Contributions to Paleobiology, Number 78. Berta, A. (1991). New Enaliarctos* (Pinnipedimorpha) from the Oligocene and Miocene of Oregon and the Role of "Enaliarctids" in Pinniped Phylogeny. Smithsonian Contributions to Paleobiology, Number 69. Cullen, T. (2012). Comparative description of a female Enaliarctos emlongi (Carnivora, Pinnipedimorpha) from the mid-Miocene of Oregon and the evolution of sexual dimorphism within Pinnipedia. Masters Thesis - Carleton University, Ottawa. Cullen, T., et al. (2014). Early Evolution of Sexual Dimorphism and Polygyny in Pinnipedia. Evolution. Mitchell, E. and R.H. Tedford (1973). The Enliarctinae: A New Group of Extinct Aquatic Carnivora and a Consideration of the Origin of the Otariidae. Bulletin of the American Museum of Natural History, Vol.151, Article 3. Poust, A.W. and R.W. Boessenecker (2018). Expanding the geographic and geochronologic age of early pinnipeds: New specimens of Enaliarctos from Northern California and Oregon. Acta Palaeontologica Polonica, 63(1). Superfamily Otarioidea Family Odobenidae - Walruses Odobenidae - Asia/Malaysia/Pacific Islands Kohno, N. and Y. Hasegawa (1991). 921. A New Occurrence of Imagotariine Pinniped from the Middle Miocene Goudo Formation in Hagashimatsuyama City, Saitama, Japan. Trans.Proc.Paleont.Soc. Japan, N.S., Number 162. Takeyama, K.-i. and T. Ozawa (1984). A New Miocene Otarioid Seal from Japan. Proc. Japan Acad., Series B, Vol.60, Number 3. Tanaka, Y. and N. Kohno (2015). A New Late Miocene Odobenid (Mammalia: Carnivora) from Hokkaido, Japan Suggests Rapid Diversification of Basal Miocene Odobenids. PLoS ONE, 10(8). (Thanks to Boesse for pointing this one out!) Odobenidae - Europe (including Greenland and Siberia) Borissiak, A. (1930). A fossil walrus from the Okhotsk coast. Annals Russ.Paleontol.Soc., 8. Bosscha Erdbrink, D.P. and P.J.H. Van Bree (1999). Fossil Axial Skeletal Walrus Material from the North Sea and the Estuary of the Schelde, and a Fossil Sirenian Rib (Mammalia, Carnivora; Sirenia). Beaufortia, Vol.49, Number 2. Bosscha Erdbrink, D.P. and P.J.H. Van Bree (1986). Fossil Odobenidae in Some Dutch Collections. Beaufortia, Vol.36, Number 2. Rutten, L. (1907). On fossil Trichechids from Zealand and Belgium. KNAW, Proceedings, 10I. Van Der Feen, P.J. (1968). A Fossil Skull Fragment of a Walrus from the Mouth of the River Scheldt (Netherlands). Bijdragen tot de Dierkunde, Vol.38, Number 1. Odobenidae - North America Barnes, L.G. (1988). A New Fossil Pinniped (Mammalia: Otariidae) from the Middle Miocene Sharktooth Hill Bonebed, California. Contributions in Science, Natural History Museum of Los Angeles County, Number 396. Barnes, L.G. (1971). Imagotaria (Mammalia, Otariidae) from the Late Miocene Santa Margarita Formation near Santa Cruz, California. PaleoBios, Number 11. Barnes, L.G. and R.E. Raschke (1991). Gomphotaria pugnax, a New Genus and Species of Late Miocene Dusignathine Otariid Pinniped (Mammalia: Carnivora) from California. Contributions in Science, Natural History Musueum of Los Angeles County, Number 426. Boessenecker, R.W. (2017). A New Early Pliocene Record of the Toothless Walrus Valenictus (Carnivora, Odobenidae) from the Purisima Formation of Northern California. PaleoBios, 34. Boessenecker, S.J., R.W. Boessenecker and J.H. Geisler (2018). Youngest record of the extinct walrus Ontocetus emmonsi from the Early Pleistocene of South Carolina and a review of North Atlantic walrus biochronology. Acta Palaeontologica Polonica, 63(2). Bouchard, M.A., C.R. Harington and J.-P. Gilbault (1993). First evidence of walrus (Odobenus rosmarus L.) in Late Pleistocene Champlain Sea sediments, Quebec. Can.J. Earth Sci., 30. Deméré, T.A. (1994). Two New Species of Fossil Walruses (Pinnipedia: Odobenidae) from the Upper Pliocene San Diego Formation, California. In: Contributions in Marine Mammal Paleontology Honoring Frank C. Whitmore, Jr. Berta, A. and T.A. Deméré (eds.), Proc. San Diego Soc.Nat.Hist., 29. Deméré, T.A. and A. Berta (2001). A Reevaluation of Proneotherium repenningi from the Miocene Astoria Formation of Oregon and its Position as a Basal Odobenid (Pinnipedia: Mammalia). Journal of Vertebrate Paleontology, 21(2). ######, A.S., et al. (1999). The Late Wisconsinan and Holocene Record of Walrus (Odobenus rosmarus) from North America: A Review with New Data from Arctic and Atlantic Canada. Arctic, Vol.52, Number 2. Harington, C.R. and G. Beard (1992). The Qualicum walrus: a Late Pleistocene walrus (Odobenus rosmarus) skeleton from Vancouver Island, British Columbia, Canada. Ann.Zool.Fennici, 28. Harington, C.R., T.W. Anderson and C.G. Rodrigues (1993). Pleistocene Walrus (Odobenus rosmarus) from Forteau, Labrador. Geographie physique et Quaternaire, Vol.47, Number 1. Kellogg, R. (1921). A New Pinniped from the Upper Pliocene of California. Journal of Mammalogy, Vol..2, Number 4. Miller, R.F. (1997). New Records and AMS Radiocarbon Dates on Quaternary Walrus (Odobenus rosmarus) from New Brunswick. Géographie physique et Quaternaire, Vol.51, Number 1. Miller, R.F. (1990). New records of postglacial walrus and a review of Quaternary marine mammals in New Brunswick. Atlantic Geology, 26. Mitchell, E.D. (1961). A New Walrus from the Imperial Pliocene of Southern California: With Notes on Odobenid and Otariid Humeri. Los Angeles County Museum Contributions in Science, Number 44. Rhoads, S.N. (1898). Notes on the Fossil Walrus of Eastern North America. Proceedings of the Academy of Natural Sciences of Philadelphia, Vol.50. General Odobenidae Boessenecker, R.W. and M. Churchill (2013). A Reevaluation of the Morphology, Paleoecology, and Phylogenetic Relationships of the Enigmatic Walrus Pelagiarctos. PLoS ONE, Vol.8, Issue 1. (Thanks to Boesse for sharing this one!) Deméré, T.A. (1994). The Family Odobenidae: A Phylogenetic Analysis of Fossil and Living Taxa. In: Contributions in Marine Mammal Paleontology Honoring Frank C. Whitmore, Jr. Berta, A. and T.A. Demere (eds.). Proc. San Diego Soc.Nat.Hist., 99. Loch, C, et al. (2016). Enamel ultrastructure of fossil and modern pinnipeds: evaluating hypotheses of feeding adaptations in the extinct walrus Pelagiarctos. Sci.Nat., 103(5-6). Wyss, A.R. (1987). The Walrus Auditory Region and the Monophyly of Pinnipeds. American Museum Novitates, Number 2871. Family Otariidae - Fur Seals, Sea Lions and Their Relatives Boessenecker, R.W. and M. Churchill (2015). The oldest known fur seal. Biol.Lett., 11. Velez-Juarbe, J. (2017). Eotaria citrica, sp.nov., a new stem otariid from the "Topanga" formation of Southern California. PeerJ, 5:e3022. Subfamily Arctocephalinae - Fur Seals Beentjes, M.P. (1989). Evolutionary Ecology of the New Zealand Fur Seal (Arctocephalus forsteri) and hooker's Sea Lion (Phocarctos hookeri). Ph.D. Thesis - University of Otago. Berry, J.A. (1928). A New Species of Fossil Arctocephalus from Cape Kidnappers. Transactions of the New Zealand Institute, Vol.59. Berta, A. and T.A. Deméré (1986). Callorhinus gilmorei n.sp. (Carnivora: Otariidae) from the San Diego Formation (Blancan) and its implication for otariid phylogeny. Transactions of the San Diego Society of Natural History, Vol.21, Number 7. Subfamily Otariinae - Sea Lions Barnes, L.G., C.E. Ray and I.A. Koretsky (2005). A New Pliocene Sea Lion, Proterozetes ulysses (Mammalia: Otariidae) from Oregon, USA. In: Mesozoic and Cenozoic Vertebrates and Paleoenvironments. Tributes to the career of Prof. Dan Grigorescu. Csiki, Z. (ed.), Ars Docendi. Beentjes, M.P. (1989). Evolutionary Ecology of the New Zealand Fur Seal (Arctocephalus forsteri) and hooker's Sea Lion (Phocarctos hookeri). Ph.D. Thesis - University of Otago. Deméré, T.A. and A. Berta (2005). New Skeletal Material of Thalassoleon (Otariidae: Pinnipeda) from the Late Miocene-Early Pliocene (Hemphillian) of California. Bull. Fla. Mus. Nat. Hist. 45(4). Drehmer, C.J. and A.M. Ribeiro (1998). A Temporal Bone of an Otariidae (Mammalia, Pinnipedia) from the Late Pleistocene of Rio Grande do Sul State, Brazil. Revista universidade gualruhos Geociencias, III(6). Drehmer, C.J., M.E. Fabian and J.O. Menegheti (2004). Dental Anomalies in the Atlantic Population of South American Sea Lion, Otaria byronia (Pinnipedia, Otariidae): Evolutionary Implications and Ecological Approach. LAJAM, 3(1). Harington, C.R., et al. (2004). A late Pleistocene Steller Sea Lion (Eumetopias jubatus) from Courtenay, British Columbia: its death, associated biota and and paleoenvironment. Can.J. Earth Sci., 41. King, J.E. (1983). The Ohope Skull - a new species of Pleistocene sealion from New Zealand. New Zealand Journal of Marine and Freshwater Research, Vol.17. Nagao, T. (1941). An Occurrence of a Fossil Sea Lion in the Miocene Deposits of Sinano, Japan. Journ.Fac.Sci., Hokkaido Imp.Univ., Ser.IV, Vol.VI, Number 2. Worthy, T.H. (1992). Fossil Bones of hooker's Sea Lions in New Zealand Caves. New Zealand Natural Sciences, 19. General Otariidae Boessenecker, R.W. and F.A. Perry (2011). Mammalian Bite Marks on Juvenile Fur Seal Bones from the Late Neogene Purisima Formation of Central California. Palaios, Vol.26. Churchill, M., R.W. Boessenecker and M.T. Clementz (2014). Colonization of the Southern Hemisphere by fur seals and sea lions (Carnivora: Otariidae) revealed by combined evidence phylogenetic and Bayesian biogeographical analysis. Zoological Journal of the Linnean Society, 172. Sanfelice, D. and S.J. Drehmer (2013). Interpretation of anatomical characters in phylogenetic analysis of Pinnipedia, with emphasis on Otariidae (Mammalia, Carnivora). Biotemas, 26(2). General Otarioidea Repenning, C.A. and R.H. Tedford (1977). Otarioid Seals of the Neogene. United States Geological Survey, Professional Paper 992. Takeyama, K.-i. and T. Ozawa (1984). 10. A New Miocene Otarioid Seal from Japan. Proc. Japan Acad., Series B, Vol.60(B). Superfamily Phocoidea Family Desmatophocidae (†) Barnes, L.G. (1987). An Early Miocene Pinniped of the Genus Desmatophoca (Mammalia: Otariidae) from Washington. Contributions in Science, Natural History Museum of Los Angeles County, Number 382. Barnes, L.G. (1970). A re-evaluation of mandibles of Allodesmus (Otariidae, Carnivora) from the Round Mountain Silt, Kern County, California. PaleoBios, Number 10. Condon, T. (1906). A New Fossil Pinniped (Desmatophoca oregonensis) from the Miocene of the Oregon Coast. University of Oregon Bulletin, Supplement to Vol.III, Number 3. Deméré, T.A. and A. Berta. The Miocene Pinniped Desmatophoca oregonensis Condon, 1906 (Mammalia: Carnivora), from the Astoria Formation of Oregon. Smithsonian Contributions to Paleobiology, Number 93. Furbish, R. (2015). Something Old, Something New, Something Swimming in the Blue: An Analysis of the Pinniped Family Desmatophocidae, its Phylogenetic Position and Swimming Mode. Masters Thesis - San Diego State University. Kohno, N. (1996). 1007. Miocene pinniped Allodesmus (Mammalia: Carnivora); with special reference to the "Mito seal" from Ibaraki Prefecture, Central Japan. Trans.Proc.Paleont.Soc. Japan, N.S., Number 181. Nagao, T. (1941). An Occurrence of a Fossil Sea Lion in the Miocene Deposits of Sinano, Japan. Journal of the Faculty of Science, Hokkaido Imperial University, Series 4, Geology and mineralogy, 6(2). Family Phocidae - True Seals Subfamily Cystophorinae - Hooded Seals Koretsky, I.A. and S.J. Rahmat (2013). First Record of Fossil Cystophorinae (Carnivora, Phocidae): Middle Miocene Seals from the Northern Paratethys. Revista Italiana di Paleontologia e Stratigrafia, Vol.119, Number 3. Schneider, S. and K. Hessig (2005). An early seal (Mammalia, Pinnipedia) from the Middle Miocene (Langhian) of Miste (The Netherlands). Scripta Geol., 129. Subfamily Devinophocinae (†) Koretsky, I.A. and S.J. Rahmat (2015). A New Species of the Subfamily Devinophocinae (Carnivora, Phocidae) from the Central Paratethys. Revista Italiana di Paleontologia e Stratigrafia, Vol.121, Number 1. Rahmat, S.J. and I.A. Koretsky (2016). First Record of Postcranial Bones in Devinophoca emryi (Carnivora, Phocidae, Devinophocinae). 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