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Found 46 results

  1. Shrine of the Japanese trilobites

    Stocker, C., Williams, M., Oji, T., Tanaka, G., Komatsu, T. and Wallis, S., 2019. Spirits of Yokokurayama: shrine of the Japanese trilobites. Geology Today, 35(1), pp.15-19. https://onlinelibrary.wiley.com/doi/full/10.1111/gto.12255 https://www.researchgate.net/publication/330640693_Spirits_of_Yokokurayama_shrine_of_the_Japanese_trilobites Yours, Paul H.
  2. Here is the article but as it is written in Japanese, I will translate it roughly. https://this.kiji.is/461667067532395617?c=92619697908483575 Japanese oldest dinosaur remains have been found in Yatsushiro. 2 days ago, the professor Naomi Ikegami from the Mifune Dinosaur Museum has revealed at the Japanese paleontological society annual meeting the discovery of the oldest remains of a Japanese dinosaur. The fossil (a 8cm long, 4cm wide rib) has been found in Kumamoto prefecture, Yatsushiro city (near Sakamoto village) by a 65 years old former teacher named Mr. Murakami in 2014. It was discovered during a survey conducted by the Mifune Dinosaur Museum and recovered from the Kawaguchi formation. The Kawaguchi formation is a 40 km wide early cretaceous formation (- 133Myo, Hauterivian) composed mainly of brackish strata, which yield abundant brackish conditional molluscus fossils, and intercalates shallow marine strata, which yield marine conditional molluscus fossils. According to the professor Ikegami, as the elliptical cross section of the bone is long and thin and as the width of the abdominal side spreads toward the tip, it matches the characteristics of a theropod's rib. It was estimated that this rib fragment would be part of a 8 to 10 meter long dinosaur. The fossil, the first of its kind found in Yatsushiro has bolstered hope to find new dinosaur localities in the Kumamoto prefecture which already the richest in Japan. The specimen will be show to the public at Mifune Dinosaur Museum from the 29th of January.
  3. Active fossil hunters living in Japan

    Hi guys, how are you? Lately I saw, that new members from Japan joined us and I'd like to say that it is a rejoying news. Unfortunately, I also noticed that those members tend to disappear really quickly or to be shy (and or busy which is 100% understandable and logic if you work and live in Japan). As we are a very small community in Japan, I would like to make a kind of census to know who is still active, where do you live (your prefecture only is enough) and why not what you are collecting here in Japan. This kind of census would also be helpful to put in contact members from the same area to organize fossil hunt and exchange tips about fossil hunting in Japan. What do you think?
  4. Recently, I visited a special exhibit on fossils from Hokkaido, which was held in Tokyo (only in Japanese: https://dep.chs.nihon-u.ac.jp/museum/exhibition.php?l=3&r=181010-125701 ) Here are some photos.
  5. Greetings all! I recently took a trip to a museum in Kitakyushu Japan! This museum was huge, the museum is called the North Kyushu Municipal Journey Of Life Museum and it’s address is: 2 Chome-4-1 Higashida, Yahatahigashi-ku, Kitakyūshū-shi, Fukuoka-ken 805-0071, Japan.
  6. New papers recording new occurrences of fossil Monodontidae are available online: Hiroto Ichishima; Hitoshi Furusawa; Makino Tachibana; Masaichi Kimura (2018). First monodontid cetacean (Odontoceti, Delphinoidea) from the early Pliocene of the north‐western Pacific Ocean. Papers in Palaeontology. Online edition. doi:10.1002/spp2.1244. (describes Haborodelphis japonicus) Pesci et al. (2018). First record of Monodontidae (Cetacea, Odontoceti) in the Mediterranean Basin from the Pliocene sands of Arcille (Grosseto, Tuscany, Italy). Fossilia, Volume 2018: 37-39. Denebola and Bohaskaia were long the only described fossil monodontid species from the pre-Pleistocene, but Haborodelphis and the new monodontid skull from Tuscany shed new light on the distribution of monodontids.
  7. Hi TFF friends, how are you? I am great, thank you for asking Yesterday I had I went to my favorite late cretaceous spot after an almost 3 month long forced break. So I decided to hunt all day long and went to few different spots with quite a good haul ( for me at least). First I went to an old Quarry in Kumamoto were the middle part of the Himenoura formation is visible. I hunted there few times in the past years and found a lot of ammonite's aptichii, Inoceramus and plants fossils. One year ago, the site was black and there was no sign of vegetation but as time goes, vegetation grows and I had to go through a meter tall vegetation to access to the place. It was a good occasion to have a look flowers : and struggle with "バカ”'s seed, litterally meaning idiot in japanese (called beggar's ticks in english). Here is a picture of the formation at the quarry. I have been able to find there nice Glycymeris amakusensis and a very unusual plant fossil.
  8. http://www.asahi.com/ajw/articles/AJ201812050047.html
  9. Shark tooth from Japan (Hinoshima formation)

    Hi TFF friends, how are you? I would like to ask you few questions about a tooth I found last week in Japan. This tooth comes from the late cretaceous (Santonian) Hinoshima formation where I usually go. This formation yield about 13 different species of shark tooth, comprising Ptychodus mammillaris, Hexanchus microdon, Hexanchus sp., Notidanodon dentatus, Sphenodus sp., Echinorhinus wadanohanaensis, Cretalamna appendiculata, Protolamna sp., Squalicorax sp., Cretodus sp., Paranomotodon sp., Dwardius sp., and Synechodus sp. I found this tooth which looks like to be a Cretodus sp. but I would like to have a confirmation. In fact, I have already found Cretodus tooth at the same location but they looked a little bit different. To explain it simply, they just looked like Cretalamna teeth with fold on the crown. The tooth I've found last week, has a lot of long ridges (running from the base of the crown to half of the it) and is more "tougher" (round) than the previous one I have found. Can you confirm me or infirm me the ID? Last question: If this is a Cretodus tooth, how can we explain that this tooth has a lot of ridges but the previous one I've found have "only" fold? Is it pathologic or ontogenic? Thank you very much for your help. David
  10. Hi guys, few weeks ago I created the following topics to help me identify a tooth I found here in Japan. I am sorry, I won't be able to give you accurate information until I get green light but I will update this topics as soon as I can say more. I get some help for everyone and @Anomotodon who pushed me in the right direction with his suggestion. After further searches, I contacted a Japanese professor who confirmed me it was an Heterodontus indet. tooth. I am particularly excited because it could be (according to paleodb.org) the oldest Heterodontus tooth found in Japan as right now the oldest one is an early Oligocene tooth from kita-kyushu, and one of the oldest in Asia (the oldest in also Cenomanian of age from Kazakhstan). I am finger crossing everything I can in hope that further studies will confirm that. The tooth has been donated to a Kumamoto museum.
  11. What kind of mark is it?

    Hi TFF friends, How are you? I found the following bone in my usual spot in amakusa japan (himenoura formation) and i found it quite intriguing. It is a small bone (6mm by 1mm), maybe a fragment (a part is still under matrix) but what caught my eye was all the small parallel groove, deep at one end and shallower at the other end. Could it be some kind of predation mark? If the bone was bigger i would have think about shark tooth mark but it is really too small. Hope you will be able to see clearly the pic. Looking forward reading your comments, David
  12. Fossil Hunting in Japan

    Hello all, I've noticed that on occasion people stop by and ask about fossil hunting in Japan. Although I don't have much around me, this map is a fantastic way to see the general age of the rocks around/ near you. I think it's a great resource so please check it out.. Plus it's really interesting in general. https://gbank.gsj.jp/geonavi/geonavi.php#12,34.98798,136.93432 If you turn on the "seamless legend" option you can find on the top left of the map border, it will show you the age and type of rock that you have clicked on. I hope it helps some people. (Sorry if this is in the wrong place, please inform me if there is an issue admin)
  13. http://mainichi.jp/english/articles/20180908/p2a/00m/0na/003000c
  14. Is there something fishy here?

    Hi TFF friends, Here is one of my recent find. Hunting report to follow. I would like to get your help on this fossil. It looks like a bone and looks like fish to me but as it is the first time I found such fossil, some help would be welcome. It is a little bit smaller than 3 mm and broke right in the middle when I broke open a boulder on the shore. It is Cenomanian of age, and was found in Amakusa, Japan. Thanks by advance, David
  15. Mukawa-ryu documentary

    Here is the english version of the japanese documentary made for the Mukawa-ryu discovery. It was aired a year ago but it is still an interesting documentary about the most complete japanese dinosaur ever found.
  16. Few month ago, an ammonite hunter from Hokkaido came to Mifune Dinosaur Museum in kumamoto prefecture to exhibit part of his collection. I had the occasion to take picture of his collection and as I promised on an other thread to put some picture of it, I created this post. I hope you will enjoy the pictures. From left to right: Jimboiceras sp., big Sharpeiceras frag, Anagaudryceras sp., Anapachydiscus sp., Mesopuzonia sp., Eupachydiscus sp. From left to right: Eupachydiscus sp., Desmoceras sp., Damesites sp., Hauericeras sp., Kitchinites sp., Metaplacenticeras sp., Anagaudryceras sp., Baculites + Yubariceras sp., Menuites sp., Neophiloceras sp., Mesopuzosia sp., Tetragonites sp. From left to right: Menuites sp., yubariceras sp., urchin, Araucariaceae leaf, ammonite indet. fragment, Gaudryceras sp., fossil wood with shipworms, Ammonite's trace fossil, Polyptychoceras sp. Gaudryceras sp. Damesites sp
  17. Fossils found in Japan support idea of Pangea supercontinent By Akira Nemoto, Asahi Shimbun, February 14, 2018 http://www.asahi.com/ajw/articles/AJ201802140058.html Yours, Paul H.
  18. Added three new teeth in recent times to my collection of exotic meg teeth, I'd like to share since there,s not to many images from these localities out there, the photos maybe in shabby quality because I pulled them directly from my Instagram page to save time. 1) This partial tip of a meg was found in the Chiba prefecture of Japan! Acquiring this, even just a fragment was a real pain in the butt as megs from Japan are extremely scare. 2) Even though its not a Meg of course but still being the closest ancestor, this 3.1inch chubutensis tooth was found at a land site in Lecce, Italy with gorgeous color! 3) This tooth measuring 4.1 inches came from new site in Bangkalan City, Java, Indonesia. A majority of the megs here were found with absolutely terrible preservation so this one is one of the best out of the bunch! A few more pics of these teeth can be found on their posts on my page at https://www.instagram.com/nyislandfossils/ if its ok to post this here.
  19. What is that thing?

    Good evening TFF friends. I have found the following fossil few time ago in amakusa, japan. It is a cretaceous formation (santonian) called himenoura formation. It is a small round fossil of only 2 to 3mm. It has a conical shape with kind of regular growth circle. On the picture you cannot see it but it is covered with enamel. It is kind of common fossil in the part of the formation where cretalamna' s tooth are abundant. Could it be a kind of dermal dentical or is it something else? Thank you very much for your help. David From above. There is still some matrix on the upper part but the fossil is perfectly round.
  20. A new cetacean-related paper is available online: Tsai et. al., 2017. Northern pygmy right whales highlight Quaternary marine mammal exchange. Current Biology 27 (19):R1058-R1059. (link at http://www.cell.com/current-biology/fulltext/S0960-9822(17)31096-5) The discovery of neobalaenid fossils from marine deposits in Japan and Italy not only fills a small gap between Miocaperea and the extant pygmy right whale, it also shows that pygmy right whales were widespread in all oceans and seas in pre-Holocene times, suggesting that a number of fragmentary taxa formerly classified in Cetotheriidae from the North Sea basin might be related to the pygmy right whale.
  21. 15-million-year-old baby whale fossil reveals ancient breeding grounds. New information about the habits of extinct whales may shed light on the behaviour of their modern relatives, writes Andrew Masterson. https://cosmosmagazine.com/palaeontology/15-million-year-old-baby-whale-fossil-reveals-ancient-breeding-grounds Other sources: https://phys.org/news/2017-08-potential-site-miocene-era-baleen.html https://www.sciencedaily.com/releases/2017/08/170822092205.htm The paper is: Cheng-Hsiu Tsai. A Miocene breeding ground of an extinct baleen whale ( Cetacea: Mysticeti). PeerJ, 2017; 5: e3711 DOI: 10.7717/peerj.3711 https://peerj.com/articles/3711/ Yours, Paul H.
  22. Amateur collectors in Japan discover country's first and oldest fossil diving bird, Perot Museum of Nature and Science, August 8, 2017 http://www.perotmuseum.org/about-the-perot/newsroom/news-releases/2017/08/chupkaornis-keraorum.html https://www.sciencedaily.com/releases/2017/08/170808145449.htm "Two brothers from a small town in Hokkaido, Japan, made the discovery of their lives -- the first and oldest fossil bird ever identified in their country. Identified as a new species, it has been named Chupkaornis keraorum." The paper is: Tanaka, T., Y. Kobayashi, K. Kurihara, A. R. Fiorillo, and M. Kano. 2017. The oldest Asian hesperornithiform from the Upper Cretaceous of Japan, and the phylogenetic reassessment of Hesperornithiformes. Journal of Systematic Palaeontology, 2017; 1 DOI: 10.1080/14772019.2017.1341960 http://www.perotmuseum.org/media/files/Newsroom/2017/8.8.2017_Tanaka_et_al_2017_Chupkaornis.pdf Yours, Paul H.
  23. Here is some news from kumamoto where a theropod tooth as been found and described recently. Picture of a replica of the tooth: Article in japanese Link to english articles: http://blog.everythingdinosaur.co.uk/blog/_archives/2017/07/06/tyrannosaurs-roamed-late-cretaceous-japan.html http://www.asahi.com/sp/ajw/articles/AJ201707060047.html
  24. Fossil Site Recs in Japan?

    Hi, I'm super casual about fossil hunting - I'll do it when I get the chance and enjoy it but I'm afraid it's not my life's passion (yet) My usual haunts are Walton-on-the-Naze and other nearby sites, the kind you can wander about and either pick up fragments or break rocks without too much extra equipment. And now I'm in Japan. I've come to Iwate, a prefecture on the northern end of the main island, and will be living here for a while. So how can I find out what sites are near me, and does anyone know the area or have any recommendations? Google is turning up sites that are either museum-only, commercially excavated and private areas, or a fossil park on a different island at the other end of the country.
  25. Japan’s Most Complete Dinosaur Discovery Late Cretaceous Hadrosaur “Japan’s Greatest Dinosaur Fossil Find” Everything Dinosaur http://blog.everythingdinosaur.co.uk/blog/_archives/2017/04/29/japans-most-complete-dinosaur-discovery.html Largest-Ever Complete Dinosaur Fossils Found in Japan, NBC Bay Area - ‎April 28, 2017‎ http://www.nbcbayarea.com/on-air/as-seen-on/Largest-Ever-Complete-Dinosaur-Fossils-Found-in-Japan_Bay-Area-420764013.html Japan's largest complete dinosaur fossil confirmed Emirates 24|7 - ‎April 29, 2017‎ http://www.emirates247.com/news/emirates/japan-s-largest-complete-dinosaur-fossil-confirmed-2017-04-29-1.652106 Related papers: Ando, H. and Tomosugi, T., 2005. Unconformity between the Upper Maastrichtian and Upper Paleocene in the Hakobuchi Formation, north Hokkaido, Japan: a major time gap within the Yezo forearc basin sediments. Cretaceous Research, 26(1), pp. 85-95. https://www.researchgate.net/profile/Hisao_Ando/publication/248573248_Unconformity_between_the_Upper_Maastrichtian_and_Upper_Paleocene_in_the_Hakobuchi_Formation_north_Hokkaido_Japan_A_major_time_gap_within_the_Yezo_forearc_basin_sediments/links/53e5e2030cf2fb7487183f01.pdf Takashima, R., Kawabe, F., Nishi, H., Moriya, K., Wani, R. and Ando, H., 2004. Geology and stratigraphy of forearc basin sediments in Hokkaido, Japan: Cretaceous environmental events on the north-west Pacific margin. Cretaceous Research, 25(3), pp. 365-390. http://s3.amazonaws.com/academia.edu.documents/44520225/Geology_and_stratigraphy_of_forearc_basi20160407-7020-1ugejad.pdf?AWSAccessKeyId=AKIAIWOWYYGZ2Y53UL3A&Expires=1493590512&Signature=VXzJJfF8NzeWZkRVUj4wCxw%2Bzzs%3D&response-content-disposition=inline%3B filename%3DGeology_and_stratigraphy_of_forearc_basi.pdf Ando, H., Tamura, Y. and Takamatsu, D., 2010. Fourth‐to third‐order cycles in the Hakobuchi Formation: Shallow‐ marine Campanian final deposition of the Yezo Group, Nakagawa area, northern Hokkaido, Japan. Island Arc, 19(4), pp. 567-589. https://www.researchgate.net/profile/Hisao_Ando/publication/249479359_Fourth-_to_third-order_cycles_in_the_Hakobuchi_Formation_Shallow-marine_Campanian_final_deposition_of_the_Yezo_Group_Nakagawa_area_northern_Hokkaido_Japan/links/0c9605305cf8ceb45e000000/Fourth-to-third-order-cycles-in-the-Hakobuchi-Formation-Shallow-marine-Campanian-final-deposition-of-the-Yezo-Group-Nakagawa-area-northern-Hokkaido-Japan.pdf Yours, Paul H.
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