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Found 456 results

  1. From the album Invertebrates

    Anisaeger brevirostrus Schweitzer et al., 2014 Middle Triassic Anisian Luoping Yunnan PRC
  2. Exquisite fossils show butterflies appeared before there were flowers to pollinate By Ben Guarino, Washington Post, January 10, 2018 https://www.washingtonpost.com/news/speaking-of-science/wp/2018/01/10/exquisite-fossils-show-butterflies-appeared-before-there-were-flowers-to-pollinate/ Finding the Oldest Fossils of Butterflies Using a Human Nose Hair By Nicholas St. Fleurjan, New York Times, January 10, 2018 https://www.nytimes.com/2018/01/10/science/fossils-butterflies-moths.html 'Butterfly Tongues' Are More Ancient Than Flowers, Fossil Study Finds By Rebbeca Hersher, All Things Considered, January 10, 2018 https://www.npr.org/sections/thetwo-way/2018/01/10/576763256/butterfly-tongues-are-more-ancient-than-flowers-fossil-study-finds In 'pond scum,' scientists find answers to one evolution's which-came- first cases, Boston College, January 10, 2018, https://phys.org/news/2018-01-pond-scum-scientists-evolution-which-came-first.html https://www.livescience.com/61394-oldest-butterfly-on-record.html The paper is: Timo J. B. van Eldijk, Torsten Wappler, Paul K. Strother, Carolien M. H. van der Weijst, Hossein Rajaei, Henk Visscher, and Bas van de Schootbrugge, 2018, A Triassic-Jurassic window into the evolution of Lepidoptera. Science Advances 10 Jan 2018: Vol. 4, no. 1, e1701568 DOI: 10.1126/sciadv.1701568 http://advances.sciencemag.org/content/4/1/e1701568 Yours, Paul H.
  3. From the album Vertebrates

    Wushaichthys exquisitus Xu, Zhao & Shen, 2015 Middle Triassic Ladinian - early Carnian Falang Formation Zhuganpo Member Wusha near Xingyi Guizhou Province PR China Length 5cm
  4. Nothosaurus mirabilis, France, Muschelkalk fm

    From the album Dinosaurs and Reptiles

    Middle Triassic, Length 0.6 cm.
  5. Utah's Oldest Dinosaur Fossil

    Found this in the Forums Facebook pages its a paper that describes a sacrum from the Chinle formation of Utah. The Dinosaur Triassic record in Utah is pretty slim and this discovery helps increase their knowledge base. We've recently had posts on Triassic teeth and although this paper does not help us in that area it provides more information on late Triassic dinosaurs of the American west. https://www.utahgeology.org/openjournal/index.php/GIW/article/view/22
  6. TRIASSIC PLESIOSAUR

    An interesting early plesiosaur. http://www.bbc.com/news/science-environment-42339936
  7. From the album alpine triassic Ammonoids

    Size is 40cm x 18cm. Austrotrachyceras austriacum MOJS. (ribbed with nodes, 4cm diameter) on the left lower half, Joannites sp., Arcestes gaytani, Megaphyllites sp., Mojsvarites agenor(on top), small Sirenites sp. and several orthocone Nautiloids and bivalves.
  8. From the album alpine triassic Ammonoids

    Small slab (15cm x 11cm) showing a fauna from the Triassic/Carnian/ lower Julian zone of Trachyceras aon. The biggest black Syringoceras(Nautilus) measures about 4cm. Ammonoids on the slab are Celtites cf. steindachneri MOJS.(ribbed), Sphingites sp., Lobites elipticus, Sirenotrachyceras sp., Monophyllites sp., Arcestes sp., Asklepioceras sp.
  9. From the album alpine triassic Ammonoids

    Cladiscites cf. striatissimus (MOJS.) 5cm, and Tropites subbullatus(HAUER)4cm. Old slab from the historical Raschberg location of Mojsisovics.
  10. Cochloceras suessi

    From the album alpine triassic Ammonoids

    Block with several Cochloceras suessi MOJS., a heteromorph ammonoid of the late Triassic Rhaetian stage. The size of the gastropod shaped ammonoids is 3-4cm. Other visible ammonoids are Arcestes sp. and Megaphyllites sp.
  11. Tropites fauna

    From the album alpine triassic Ammonoids

    Upper Carnian/Tuvalian ammonoid fauna from the historical location/ditch on Vordersandling. The shown ammonoids come from a small lense that was found by me several years ago. No coarser ribbed Projuvavites was found only Juvavites bacchus MOJS. Therefore I range this fauna to the dilleri Zone. Tropites aff. subbullatus, Paratropites sp., Discotropites sp., Megaphyllites sp., Sandlingites cf. oribasus and Arcestes sp.
  12. Triassic Tooth

    This is my first post, so please bear with me. I found this tooth this summer in the Rendonda formation in Quay county New Mexico. This should date it to the late Triassic, 202-204 mya. The area where it was found contains almost exclusively Phytosaur fossils, but I am 99% certain that this one is not. It measures about 2.5 cm in length and has one edge with fine serrations. Based on the general shape and serrations, I am guessing some sort of theropod, however I do not know enough about other crocodilian species such as Postosuchus to rule something like that out. Any help would be appreciated, and if you need more pictures/information, feel free to let me know!
  13. Monophyllites simonyi (HAUER)

    From the album alpine triassic Ammonoids

    Monophyllites simonyi (HAUER) from the Hallstatt limestone of Austria. Size is 8 cm. Found in the upper part of the austriacum zone.
  14. Trachyceras cf. hekubae MOJS.

    From the album alpine triassic Ammonoids

    Trachyceras cf. hekubae MOJS. from Triassic/Carnian/Austriacum Zone, Hallstatt limestone of Austria. Diameter is about 9cm. Below is a fragment of Neoprotrachyceras thous (DITTMAR). This ammonoid and the orange colour of the rock indicates the austriacum zone.
  15. Sirenites sp.

    From the album alpine triassic Ammonoids

    Sirenites sp. from the Triassic/Carnian, upper aonoides zone. Hallstatt limestone of Austria. Size is about 6cm. Good to see on this specimen is the characteristic feature of Sirenites s. s. that each single rib ends in two venter nodes.
  16. Two Keichousaurus

    Just sharing both of my keichousaurus, the smaller one at the top just arrived yesterday after being lost in the mail for MONTHS. I think they look great together!
  17. Coelacanth Skull from North Bergen, NJ.

    From the album Triassic

    Diplurus newarki (coelacanth skull) Upper Triassic Lockatong Formation Newark Supergroup Granton Quarry North Bergen, N.J. A gift from Fossildude19, collected 11/27/17
  18. Not a clue but interesting form. My first thought was a weather form ammonite fragment? Found near the Palo Duro Canyon in TX. The area in question includes the following formations. Tecovas Formation: Triassic Trujillo Formation: Triassic Ogallala Formation: Late Miocene to early Pliocene Any help or direction would be appreciated.
  19. I have one more small Triassic Diplurus coelacanth fish collected many years ago in North Bergen, New Jersey. The fish's head is slightly lifting off the shale matrix along its top and bottom, but remains well attached at the front and back of the head -- see the photos. The lift gap along top and bottom is at most 0.5 to 0.67 mm. Pressing on the head results in a micro-movement down. With careful handling, I don't believe that the head is in any danger of fully detaching. I have little background in prep work, so I would like to ask opinions on: Should anything be done to cement the head down? And a related question: what cementing technique can be used given that the gap is under one mm. I appreciate any thoughts on this.
  20. Keichousaurus hui Young, 1958

    From the album Vertebrates

    Keichousaurus hui Young, 1958 Middle Triassic Zhuganpo Formation Xingyi Guizhou PRC Length 4cm
  21. From the album Vertebrates

    Sinosaurichthys longimedialis Wu et al., 2011 Middle Triassic Anisian Daaozi, Luoxiong Luoping yunnan PRC
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