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  1. Hello everyone, I have recently acquired this Barasaurus fossil from Madagascar and I was wondering if it really is 100% natural as the seller has stated many times to me. I have read a couple of threads in this forum regarding Barasaurus fakes but still have many doubts. If possible, I would greatly appreciate any input from this forum’s experts regarding this piece. Do you think it's real? Please find attached some photos and thanks a lot for your help:
  2. 5" x 7" x 9/16" Thick Slab, polished on both sides:
  3. MarcoSr

    Petrified Wood Slabs

    I'm interested in petrified wood for the scientific value (wood where the cell structure is well preserved), for the aesthetic value (mineralized with vivid colors and crystal shapes), and for oddities (like fungus, insect borings etc.) contained in the wood. Below are three petrified wood slabs, from the United States, from my collection. The below individual slab pictures were taken with the slabs dry, indoors using my camera with flash. The close-up pictures were taken with my Dino-Lite digital microscope. If you want to see a lot more of the petrified wood pieces in m
  4. Hi everyone! I just got in some interesting teeth from the Jurassic of Madagascar Isalo lll Formation (yes I have good proximity. The were found on the outskirts of Boriziny by surface collecting, I included a map) and some of the teeth I'm not sure what they are. My best guess is either Croc or Pterosaur, leaning (hoping) Pterosaur since there is no carina and most have a flattened oval base like the Pterosaur teeth I usually see out of Morocco but then there's one with a circular base that I'm not entirely sure. I saw somewhere that Rhamphorhynchidae can be found within the Isalo
  5. As a freshmen in College, I did a little extra credit report for my geology class about a controversial topic - Tyrannosauroidea diversity in the Southern Hemisphere during the Jurassic-Early Late Cretaceous periods. I was quite surprised at the amount of specimens I found. This diversity likely was the result of an early spread of the early tyrannosaur group Pantyrannosauria into Africa, Eurasia, and North America during the Jurassic and diversified once the land connecting these continents spread out more. Most of these species lived during the Early Cretaceous, though one or two exceptions
  6. Dino Dad 81

    Theropod Premax Tooth

    Hi all, Curious to know what family you think this tooth likely came from. Could it be Allosaurid? From Isalo IIIb in the Mahajanga basin of Madagascar CH: About 27.5mm (estimating for tip) CBL (carina-to-carina): 14mm CBW (mesial side to distal side): 8.5mm Mesial Serration Density: 1.9mmm Distal Serration Density: 2.1/mm Thank you!!
  7. First of all, the list of fish found in Madagascar - there are more than 30 species! So many that I can't treat all of them (and I've never seen some of them). There is relatively old, but good literature on it - Lehman has written one of the most comprehensive publications on this subject: J.-P.Lehman (1952) Etude Complementaire des Poisson de L'Eotrias de Madagascar. Kungl. Svenska Vetenskapsakademiens Handlingar. Fjärde Serien Bd 2 No 6 (in French, 244 pages, 340MB!) Australosomus merlei Piveteau, 1934 is easy to recognize: Small
  8. Dino Dad 81

    Another Madagascar Theropod Tooth

    Hey all, Curious to see if you have similar thoughts about this tooth. In terms of that possibility that it's not, in fact, from the Jurassic, I'm not sure I'm seeing the kind of denticle shape/hooking and marginal undulations of Majungasaurus. From Isalo IIIb in the Mahajanga basin of Madagascar CH: About 27.6mm CBL (carina-to-carina): 13.9mm CBW (mesial side to distal side): 7.5mm Mesial Serration Density: 2.2mmm Distal Serration Density: 1.9/mm Thank you!
  9. Looking to purchase this pair of ammonites from Madagascar but was wondering if they’re really 100% natural or potentially repaired from pieces of different ammonites. I can’t really tell but the back looked questionable!
  10. Below are some of the slabs/slices/limb casts of petrified wood from my collection. I'll post more pieces in latter replies. I especially like very colorful pieces and unusual pieces like Teredo bored pieces or pieces with fungus. I have hundreds of close-up pictures. If you would like to see close-up pictures of a particular piece, reply to this post with the number/numbers. If you want to see close-up pictures of some of the petrified wood pieces from this thread, check out my TFF thread at the below link: 1 Petrified Wood botryoidal agate go
  11. A while back, I was researching the number of likely Tyrannosauroidea dinosaurs that inhabited the Southern Hemisphere (I know this is a very controversial subject) in the Early Cretaceous for an extra credit research paper I was doing for my freshmen year college geology class. As I was looking for data for the paper, I found an unusual data entry on the paleontological database website fossilworks.org - It lists Tyrannosauridae remains from Jurassic Madagascar. http://www.fossilworks.org/cgi-bin/bridge.pl?a=collectionSearch&collection_no=55391 The specimen
  12. Dino Dad 81


    Hey all, This is supposed to be from Isalo IIIb in Madagascar. Does it look ceratosaur to you? Could it be Majungasaurus with faulty location? I suspect not because of the character on the denticles of Majungasaurus teeth.
  13. joaoarguello3

    help identifying this ammonite

    Hello everyone, I need your help to identify an ammonite. Today I bought one but I bought it in a place where they only sell minerals so when I asked where it was from or more information about the fossil they told me they didn't know. I am not a great expert but I understand that most ammonite fossils are from Madagascar, although I am not saying that this one is from there. My questions are the following: Is there any way to know the age and species of the ammonite? Before making the publication I was looking for a little information and I saw that it is very similar to Phylloceras due to
  14. hey , I purchased this leg bone in Tucson. The dealer told me that is a sauropod dinosaur leg bone from the Cretaceous strata of Madagascar. The key point is that the leg bone is attached with skin. I found that these black "skin" has wrinkles similar to real skin. Is this black "skin" real dinosaur skin? I searched some materials. Professor Kristi Curry Rogers found that Rapetosaurus had skin ossification. I would like to hear more comments, thank you!
  15. Crazyhen

    Dinosaur Bone from Madagascar

    This piece of fossil was said to be a dinosaur bone from Madagascar. Is it dinosaurian? A femur/tibia?
  16. From the album: Fossildude's Purchased/Gift Fossils

    Whiteia woodwardi Early Triassic Beaufort Group Sakamena Formation Diana Region, Madagascar.

    © 2020 T. Jones

  17. DatFossilBoy

    Madagascar dinosaur teeth ID needed

    Hey Guys, My friend has these 5 Madagascar dinosaur teeth from an old collection that he wants to ID. They’re all from the Jurassic Isalo III formation. Thanks for all the help!!! Here are some pictures and sizes: Left tooth 14mm Middle 15mm Right 16mm
  18. I have aquired a slab of rock that has a Barasaurus in it. Not sure if thats the correct name or not. Ive taken a close up of what is exposed, circled in white. Im afraid this is the head? Would so much have wanted the head end in the rock instead of the tail end. What do you guys think? Thanks
  19. Marco90

    Cleoniceras sp.

    From the album: My collection in progress

    Cleoniceras sp. Parona & Bonnarelli 1895 Location: Atsimo-Andrefana, Madagascar Age: 157 - 155 Mya (Oxfordian, Upper Jurassic) Measurements: 4,5 cm (diameter) Kingdom: Animalia Phylum: Mollusca Subphylum: Conchifera Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Suborder: Ammonitina Family: Hoplitidae The ammonite is iridescent. In some parts is visible the elaborate ammonitic suture pattern.
  20. Mahnmut


    From the album: Skeleton models

    Holocene of Madagascar Handmade postcranium, digitally sculpted skull by me.

    © Jan Frost

  21. Jurassicz1

    Iridescent ammonite - Desmoceras?

    From the album: Cretaceous of Madagascar

    Small iridescent ammonite from Madirovalo, Madagascar. Lower Cretaceous - Albian.
  22. Jurassicz1

    Ammonite from Madirovalo, Madagascar

    Hello! I got this ammonite fossil from Madirovalo, Madagascar. Cretaceous. That's all the info I got. Does anyone know possibly what species it is or if it's Lower Cretaceous or Upper Cretaceous? Regards.
  23. Curious if this "elephant bird egg" is real. The length and width are realistic and it weights about 3 lbs. 14.5 oz. It is smoother than I expected and appears to have been polished in places, especially in spots where some of the sections meet. Surface covered in fine lines (often with branches) as well as small holes. A small flake was examined under a microscope, showing one of the fine lines to consist of a series of holes. Other holes were also visible. I dabbed the flake with vinegar and observed bubbling under the scope. Images show some close-ups of the textured
  24. madagascar

    Strange fossils

    From Madagascar Probably Mesozoic Why is this fossil lying on its back .looks like a parrot's beak. ---------------------------------- These are some of the details that prove it's a fossil It's a very damaged fossil It preserved conical foramina, and preserved neural crest vertebrae fossils are rare in Madagascar So what kind of animal is this? Detail the rupture above the neural crest is seen to form a square inconsistency The fractures on the spine have detailed bone patterns Thank you for your answer. --------------------------------- Thank you for y
  25. Taxonomy from Garassino & Teruzzi 1995. Diagnosis from Garassino & Teruzzi 1995, p. 92: "Subrectangular carapace; long rostrum, lacking both suprarostral and subrostral teeth; marked dorsal hump at the base of the rostrum; spine in the posterior third of the dorsal midline of the carapace; deep hepatic groove and weak branchiocardiac groove; gastro-orbital, hepatic and branchiocardiac spines present; pereiopods I-III chelate; strongly elongate pereiopod III; tergite VI rectangular; triangular telson with a pointed distal extremity." Line drawing from Garassino & Teruzzi 1
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