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Found 37 results

  1. 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.
  2. 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
  3. 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)
  4. http://mainichi.jp/english/articles/20180908/p2a/00m/0na/003000c
  5. 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
  6. 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.
  7. 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
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. 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.
  13. 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.
  14. 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
  15. 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.
  16. 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.
  17. plz go on and do tell x Area: moni some more photos as eell as similar pieces to follow in a minute
  18. The shark-savvy among you might have an inkling NB:ca 25 Mb JAPAN I'm not saying the taxonomy is NOT outdated,mind you If already posted,applause for & bows to the previous poster
  19. Japan Fossil Show

    I was wondering if anyone has ever been to a fossil show in Japan. I found some pictures on the Internet of some fossil shows in Japan and the quality of the dinosaur fossils shown are incredible. I'm not sure when or where these pictures were taken.
  20. Ninja !!!

    Few month ago, incapacitated by a broken metatarsal bone, I listened to all Royal Tyrrell Museum's speaker series on youtube when I found among all these amazing an interesting lecture about subject mass extinction event. I can't remember the name of the speaker but during his lecture, he spoke about non-avian dinosaurs' extinction like celestial body, illness, volcanic activities, ninjas who timeslipped to Cretaceous and slaughtered all dinosaurs. I have to admit that the ninja theory really upsetted me.I thaught to myself "Why didn't we hear about this theory more often?" So as I want to help science, and solve this mystery I decided to investigate. Couldn't be better place to investigate ninjas than Japan right? So yesterday I prepared my gear, ate sushis and went to Kumamoto's Tsumori formation, looking for proof... and well, I found some... I only spend one hour on the crime scene when I found one of the deadly weapon japanese ninja used to use: 菱の実 or in shakespeare's language water caltrop. That's right, ninjas used on our beloved ancient creatures this vicious weapon. they used the technic called "makibishi", the same technic that all Samourai feared and that ruined so much waraji (japanese sandal made of straw rope and used during feudal era). I found fossilized water caltrope/ water chestnuts. On a more serious note, I went to the Tsumori formation in Kumamoto yesterday. It is a middle pleistocene formation which yield mainly water caltropes and insects ( the place was a giant pond back then). I didn't find very exciting things but as I didn't post any hunt report for a while I decided to write this one on an humouristic tone and to present you.. well some japanese culture aspects. So except, the ninja time traveler, everything is true. Sorry folks, ninja didn't slaughtered dinosaurs. As during feudal japan almost all samourai weared straw rope sandals,Trapa's seed pods were dried and used by ninja during their escape to slow down ennemies. My finds of the day are Trapa sp. seed pod and leaves, piece of wood indet. with strange features. Hope it entertained you a little bit. See you, David.
  21. Santonian fish scale

    Hi TFF friends, how are you doing? I found last week in one of my drawer those two fish scales I found about a year ago in Amakusa, Himenoura lower formation, Japan. I searched on internet for documentation speaking about fish material found in this formation to get some hint and put a name on those scale but I was unsuccessful. Is anybody has an idea of what kind of fish it could be? And I have another question related to this. As I don't want to die idot, do you have any book suggestion concerning this subject? Thank you by advance, best regards
  22. Santonian Bivalve ID (probably veneridae)

    Hi everyone, It's been a while. Here are two picture of a bivalve I found in Himenoura formation Japan. I have been hunting these place regularly for 2 years but it is the first time I found such large bivale there. I looked into my local documentation to put a name on it but I didn't found anything. Here is some information about the beast: Formation: Himenoura Age: late Cretaceous, santonian size: 13cm long / 9cm width I think it is a kind of veneridae because the hinge teeth (even if difficult to see on the picture and worn) looks like Mercenaria mercenaria teeth. If someone have any idea about the clam shell, I would be gratefull to hear about.
  23. Mifune Dinosaur Museum

    Mifune Dinosaur Museum is a small museum by its size but not by its collection. This natural museum is focused on the cretaceous period and fossils excavated in Mifune area. Situated in the Kumamoto prefecture in the southern japanese big island called Kyushu, Mifune benefits of a formation called Mifune formation rich in brackish water fossils (invertebrates) in its lower part and in dinosaurs and other vertebrates in the upper part of the formation. Mifune has a good reputation among japanese paleontologists since the first carnivorous teeth was found in 1979. Since then, various species of dinosaurs have been found here (Tyranosaurid, Ankylosaurid, Hadrosaurid, Dromaesaurid, Therizinosaurid, ornitomimosaurid). Beside dinosaurs, mammals (Sorlestes mifunensis), large variety of turtles (slightly different from the turtles found at the same period in Asia) and crocodiles (Eusuchia only) were found. In addition to the museum visit, outside activities such as fossil hunting, geological tour are available. First meat eating dinosaur tooth found in Japan Entrance of the exhibition room/ Montana case View on the main gallery Reconstruction of Mifune's paleoecology Mifune's crocodiles Neosuchia sp bones
  24. The horseshoe crab has survived the last five mass extinctions, but now it’s mysteriously dying Akshat Rathi, quarzt, September 14, 2016 http://qz.com/781335/the-horseshoe-crab-has-survived-the-last-five-mass-extinctions-but-now-its-mysteriously-dying-across-asia/ Living fossil' crabs mysteriously dying in Japan Phys.org, September 15, 2016 http://phys.org/news/2016-09-fossil-crabs-mysteriously-dying-japan.html 'Living fossil' crabs are mysteriously dying in their hundreds: 500 dead horseshoe crabs wash ashore in Japan, Daily mail, AFP, September 15, 2016 http://www.dailymail.co.uk/sciencetech/article-3790531/Living-fossil-crabs-mysteriously-dying-Japan.html Hundreds of horseshoe crabs mysteriously dying in Japan, The Straits Times, September 15, 2016 http://www.straitstimes.com/asia/east-asia/hundreds-of-horseshoe-crabs-mysteriously-dying-in-japan Yours, Paul H.
  25. Before starting my hunt report, I just would like to make a short preamble, if you only want to read the report, skip this post and go to the second one. I hesitated a lot concerning this post but I think it could answer a lot of question concerning my vacance (sorry Ash, was cut during our chat by nasty tremors but nice pictures and congratulation!). As few know, I live in South of Japan in a city called Kumamoto. I don’t know if outside Japan the event was fairly broadcast (maybe in Montana’s news as Montana and Kumamoto are twin state) but on month ago on April the 14th, an earthquake (Magnitude 6.5 / shindo 7) hit severely the prefecture at 9:26pm. What we thought to be an isolated earthquake was in fact follow by tremors, little brother (Magnitude 6.4 / shindo 6) and the day after at 1 am by big daddy (Magnitude 7.3 /Shindo 7). Since then we experience afterquake every day. Between the 14th and May the 11th the earth shaked 368 times (only tremors above shindo 3) and 1400 times (all tremors) ‘till today. What’s shindo scale ? it is a scale used in Japan which measure the intensity of an earthquake. The scale goes from 1 to 7, 7 being the most intense and effect on human and infrastructure are described as follow: 1 : Felt by only some people indoors./ Upper sections of multi-story buildings may feel the earthquake. 2: Felt by many to most people indoors. Some people awake./ No buildings receive damage./ Homes and apartment buildings will shake, but will receive no damage. 3: Felt by most to all people indoors. Some people are frightened./ Buildings may receive slight damage if not earthquake-resistant. None to very light damage to earthquake-resistant and normal buildings./ Houses may shake strongly. Less earthquake-resistant houses can receive slight damage. 4: Many people are frightened. Some people try to escape from danger. Most sleeping people awake./ Less earthquake-resistant homes can suffer slight damage. Most homes shake strongly and small cracks may appear. The entirety of apartment buildings will shake./ Other buildings can receive slight damage. Earthquake-resistant structures will survive, most likely without damage. 5 lower: Most people try to escape from danger by running outside. Some people find it difficult to move./ Less earthquake-resistant homes and apartments suffer damage to walls and pillars./ Cracks are formed in walls of less earthquake-resistant buildings. Normal and earthquake resistant structures receive slight damage. 5 upper: Many people are considerably frightened and find it difficult to move./ Less earthquake-resistant homes and apartments suffer heavy/significant damage to walls and pillars and can lean./ Medium to large cracks are formed in walls. Crossbeams and pillars of less earthquake-resistant buildings and even highly earthquake-resistant buildings also have cracks. 6 lower: Difficult to keep standing./ Less earthquake-resistant houses collapse and even walls and pillars of other homes are damaged. Apartment buildings can collapse by floors falling down onto each other./ Less earthquake-resistant buildings easily receive heavy damage and may be destroyed. Even highly earthquake-resistant buildings have large cracks in walls and will be moderately damaged, at least. In some buildings, wall tiles and windowpanes are damaged and fall. 6 upper: Impossible to keep standing and to move without crawling./ Less earthquake-resistant houses will collapse or be severely damaged. In some cases, highly earthquake-resistant residences are heavily damaged. Multi-story apartment buildings will fall down partially or completely./ Many walls collapse, or at least are severely damaged. Some less earthquake-resistant buildings collapse. Even highly earthquake-resistant buildings suffer severe damage. 7: Thrown by the shaking and impossible to move at will./ Most or all residences collapse or receive severe damage, no matter how earthquake-resistant they are./ Most or all buildings (even earthquake-resistant ones) suffer severe damage. 90 % of the houses in the little town where the epicenter of the earthquake was, were destroyed, Kumamoto castle is no more and I could continue for days. A simple search on Google will provide you more picture than you want to see. The earthquake happened at the section between 2 fault called Hinagu fault and futagawa fault at a depth of 10 Km. The prefecture is now a paradise for Japanese geologist as new fault were created and because the two side of hinagu fault slide in different direction on 2 meter. Besides the earthquake we entered few weeks ago in the monsoon season and as land is weakened by earthquake it provoked a lot of land slide. This situation caused me to be silent on the forum and forced me to stop fossil hunting for weeks until last week. Was a little bit tired mentally so I needed to get some fresh air and to think about everything but earthquake so I went to my 2 preferred spot on the 13 and tested my chance. The post that follow is my hunting report.