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Found 19 results

  1. Collector9658

    Pennsylvanian Fish tooth

    I found this tooth and part of it that snapped off along some spoil piles. There is no root, and I believe it is the labial view of the tooth surface exposed. The stone comes from the Deer Creek Formation, Ervine Creek Member. I believe it is a Petalodont, possibly Harpacodus?
  2. Marco90

    Rhombodus binkhorsti

    From the album: My collection in progress

    Rhombodus binkhorsti Dames 1881 Location: Morocco Age: 72-66 Mya (Maastrichtian, Upper Cretaceous) Measurements: 1,8x2,8 cm Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Chondrichthyes Subclass: Elasmobranchi Superorder: Batoidea Order: Rajiformes Family: Rhombodontidae
  3. Marco90

    Cretalamna

    From the album: My collection in progress

    Cretalamna biauriculata Wanner 1902 Location: Morocco Age: 72-66 Mya (Maastrichtian, Upper Cretaceous) Measurements: 1,8x2,8 cm Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Chondrichthyes Subclass: Elasmobranchi Superorder: Selachimorpha Order: Lamniformes Family: Otodontidae
  4. Marco90

    Striatolamia macrota

    From the album: My collection in progress

    Striatolamia macrota Agassiz 1843 Location: Morocco Age: 56-48 Mya (Ypresian, Eocene, Paleogene) Measurements: 1,8x2,8 cm Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Chondrichthyes Subclass: Elasmobranchi Superorder: Selachimorpha Order: Lamniformes Family: Odontaspididae
  5. Marco90

    Squalicorax pristodontus

    From the album: My collection in progress

    Squalicorax pristodontus Agassiz 1843 Location: Morocco Age: 72-66 Mya (Maastrichtian, Upper Cretaceous) Measurements: 2,5x1,5 cm Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Chondrichthyes Subclass: Elasmobranchi Superorder: Selachimorpha Order: Lamniformes Family: Anacoracidae
  6. deutscheben

    My Pennsylvanian Shark Teeth

    Over the last two years I have been able to collect a small but diverse group of shark and other chondrichthyan teeth from Pennsylvanian deposits in Illinois. Actually, all but one of the teeth are from one exposure of the La Salle Limestone of the Bond Formation- the other tooth was found in some roadside rip rap limestone in Central Illinois which seems to share many species with the La Salle, but unfortunately I have no way of determining the exact origin. Here is the first tooth, this is the one collected from rip rap in northern Champaign County. It is a cladodont type tooth,
  7. Samurai

    Nodule #3: Braincase/Skull

    From the album: Muncie Creek Shale Phosphatic Nodules

    Currently being donated and Identified. Will update on this specimen if this is a new species and its identification.
  8. From the album: Muncie Creek Shale Phosphatic Nodules

    The second half of the cartilage pterygiophores When breaking the concretion most of the internal structure was unfortunately damaged
  9. Samurai

    Nodule #3: Braincase/Skull

    From the album: Muncie Creek Shale Phosphatic Nodules

    Currently being donated and Identified. Will update on this specimen if this is a new species and its identification.
  10. fossilsonwheels

    Orodus tooth ?

    This tooth was labeled as Orodus but I wanted to get some other opinions. I see quite a few different Paleozoic tooth morphologies that are called Orodus which can be a little confusing. I am not saying the Orodus ID is incorrect but I see some things that remind me of a Hybodontiformes tooth. Burlington Limestone Biggsville Quarry Biggsville, Illinois The tooth measures 5mm across.
  11. Praefectus

    Otodus sokolovi

    L1: 7.6 cm L2: 6.2 cm W: 6.0 cm
  12. Gramps

    ID help: Deltodus tooth?

    I know very little about shark teeth. I found this one a while back in Pennsylvanian (Desmoinesian) shale in northeastern Oklahoma. I am speculating this may be deltodus only because I see a nearly identical tooth labeled as deltodus on another website. The fossil is very thin (too thin to photograph the edges). Besides confirming the taxonomy, can anyone tell me which surface of the tooth is shown in Side A? Finally, would you say Side B is mainly matrix (other than the edges)? I think matrix is showing through the cracks on Side A, and that may be the only thing holding the fossil together.
  13. Samurai

    Multiple Petalodus Teeth Fragments

    From the album: Chondrichthyan Teeth From The Pennsylvanian Period

    The more flattened version and 3 extra fragments from another Petalodus
  14. Samurai

    Multiple Petalodus Teeth Fragments

    From the album: Chondrichthyan Teeth From The Pennsylvanian Period

    A few Petalodus teeth fragments I have found
  15. Help request! I am putting together a tool for judging rock age based on very crude, whole-rock, hand-sample observations of fossil faunas/floras -- the types of observations a child or beginner could successfully make. I view this as a complement to the very fine, species-level identifications commonly employed as index fossils for individual stages, biozones, etc. Attached is what I've got so far, but I can clearly use help with corals, mollusks, plants, vertebrates, ichnofossils, and the post-Paleozoic In the attached file, vibrant orange indicates times in earth history to com
  16. Red Hill is a site I first went to 10 years ago with my son, Ian who was 10 at the time. It is a very deep road cut into the uppermost part of the Catskill Formation representing a late Fammenian river system that was draining the Acadian mountains to the east and emptying into the inland sea in western PA and OH. It is one of a handful of sites in the world where Devonian tetrapods have been found. The site has fossil layers in both channel margin (red layers) and flood plain (gray-green layers) facies. While it is an active research site and groups go there under the understanding that anyth
  17. Hello, I am looking for help identifying a specimen collected during field work for my dissertation. The piece was collected from the Lower Oxford Clay (jason zone) in Peterborough, Cambs. I suspect that it is Ischyodus egertoni, but am not positive whatsoever! Any thoughts would be appreciated Cheers, Jacob.
  18. I can't identificate it. I found it at marine sandstone from Paleogene. Also, do somebody has a handbook about chondrichthyes of Cappetta 2012 in PDF?
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