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Found 21 results

  1. Hello! In the past couple months I have been searching out terrestrial arthropod fossils of the carboniferous. In this time I have procured quite a few specimens that I would love to have examined by members of the community, especially those experienced in the identification of carboniferous fauna. I will post the specimens one by one over the next week, if they turn out to be something different than the name they were sold by I will not be disappointed. My experience in Entomology and close disciplines such as Arachnology and Myriapodology has only been with modern species, excluding minor experience with arachnids in amber, so I am so excited to pick your brains! The first fossil was indicated as being from the Carboniferous Zaleskie Beds of Poland, dated at 314 mya. It was sold to me as a "roach" though I know roaches had yet evolve so if so i'm guessing this would be a roachoid. The fossil itself is 3.0 x 2.5 x 1 cm. I will be posting pictures of the specimen below, please let me know if you have any questions or need further information to support a conclusive ID. Thank you all so much for your help! Looking forward to your input.
  2. SilurianSalamander

    .75 inch trilobite?

    Paleozoic rock. I found this looking back through some scrap rocks. I think this is a stone I found some crinoids, brachiopods, horn corals, and a trilobite in before. .75 inches long (sorry for not including a scale in the picture) thanks!
  3. SilurianSalamander

    Giant Ostracod?

    Found in some Paleozoic chalk and limestone gravel along with crinoids and brachiopods.
  4. Marco90

    Mastigusa sp. in amber

    From the album: My collection in progress

    Mastigusa sp. Menge 1854 Location: Sambian Peninsula, Kaliningrad Oblast Age: 56-34 Mya (Eocene, Paleogene) Measurements: 2,1x1,8 cm (amber), 5 mm (length of spider) Kingdom: Animalia Phylum: Arthropoda Subphylum: Chelicerata Class: Arachnida Order: Araneae Suborder: Opisthothelae Family: Hahniidae
  5. Marco90

    Machilidae sp. in amber

    From the album: My collection in progress

    Machilidae unidentified sp. Grassi 1888 Location: Rivne Oblast, Ukraine Age: 56-34 Mya (Eocene, Paleogene) Measurements: 2,8x2,5 cm (amber), 1,7 cm (length of bristletail) Kingdom: Animalia Phylum: Arthropoda Subphylum: Hexapoda Class: Insecta Subclass: Monocondylia Order: Archaeognatha Suborder: Machilida Family: Machilidae
  6. Marco90

    Lithobiidae sp. in amber

    From the album: My collection in progress

    Lithobiidae unidentified sp. Newport 1844 Location: Sambian Peninsula, Kaliningrad Oblast, Russia Age: 56-34 Mya (Eocene, Paleogene) Measurements: 1,9x1,1 cm (amber), 1,1 cm (length of centipede) Kingdom: Animalia Phylum: Arthropoda Subphylum: Myriapoda Class: Chilopoda Order: Lithobiomorpha Family: Lithobiidae
  7. Marco90

    Itagnostus interstrictus

    From the album: My collection in progress

    Itagnostus interstrictus White 1874 Location: Wheeler Formation, Utah, USA Age: 507 Mya (Wuliuan, Middle Cambrian) Measurements: 5x5x4,5 cm (matrix), 6x3 mm(trilobite) Kingdom: Animalia Phylum: Arthropoda Subphylum: Trilobitomorpha Class: Trilobita Order: Agnostida Suborder: Agnostina Family: Peronopsidae
  8. Marco90

    Elrathia kingii

    From the album: My collection in progress

    Elrathia kingii Meek 1870 Location: Wheeler Formation, Utah, USA Age: 507 Mya (Wuliuan, Middle Cambrian) Measurements: 3x2 cm Kingdom: Animalia Phylum: Arthropoda Subphylum: Trilobitomorpha Class: Trilobita Order: Ptychopariida Suborder: Ptychopariina Family: Alokistocaridae
  9. Marco90

    Morocops ovatus

    From the album: My collection in progress

    Morocops ovatus McKellan & Chatterton 2009 Location: Timrhanrhart Formatiom, Djebel Ouften, Morocco Age: 400 Mya (Eifelian, Middle Devonian) Measurements: 5x3 cm (trilobite), 8x7 cm (matrix) Kingdom: Animalia Phylum: Arthropoda Subphylum: Trilobitomorpha Class: Trilobita Order: Phacopida Suborder: Phacopina Family: Phacopidae
  10. Hardly anybody ever talks about the Cambrian fossils of the southern midcontinent (USA). They're super-underappreciated. Show us what you've got! Here's one to start us off: Thorax and pygidium of a trilobite, possibly Orygmaspis, typically referred to as "Orygmaspis cf. Orygmaspis llanoensis" but probably a different species altogether. Note the two pairs of macropleural spines marking the final thoracic segments. Davis Formation (late Cambrian: Furongian), south side of Highway 8, St. François County, Missouri.
  11. Nautiloid

    Decent Greenops trilobite

    From the album: Nautiloid’s Trilobite Collection

    Collected on 5/13/2022 in Central New York Probably from the Moscow Formation Hamilton Group, Middle Devonian

    © Owen Yonkin 2022

  12. Just a note that James Cullison's 1944 monograph on the rocks and fauna of the upper Lower Ordovician of Missouri and Arkansas is now freely available for download or perusal at https://archive.org/details/paper-cullison-1944-the-stratigraphy-of-some-lower-ordovician-formations-of-the This publication has always been devilishly tough to get a hold of. A nice systematic paleontology section deals with the many gastropods and other mollusks as well as the less diverse brachiopods, trilobites, and sponges. The monograph covers the following formations as currently accepted in Missouri: • Smithville Formation • Powell Formation • Cotter Formation • Jefferson City Formation Enjoy and share as you like. Full citation: J. S. Cullison, 1944: "The Stratigraphy Of Some Lower Ordovician Formations Of The Ozark Uplift." The University of Missouri School of Mines and Metallurgy Bulletin Technical Series, Vol. 15, No. 2, 112 pp + 35 pl.
  13. This Missourian is headed out to the Late Devonian of western New York state and Pennsylvania this coming week and hoping for a little help from y'all on localities for eurypterids and the sponge Hydnoceras. Are Clarke's (1920) Hydnoceras localities at Brown Hill (near Cohocton, NY) and Irish Hill (near Bath, NY) still productive and accessible? Are Ehlers' (1935) eurypterid localities at Bush Hill (near Smethport, PA)? Or are there other spots I should be checking out? I understand that the Trimmers Rock Formation in the vicinity of Bloomsburg, PA, is also worth a look for eurypterids, but I don't have any pinpoints mapped. If you're local to the area and want to show me the way yourself, I'll gladly bring you some Missouri crinoids Thanks in advance . . .
  14. Peat Burns

    Briggs TFF Report

    This is a belated report from the Briggs TFF gathering last spring. Here are some photos of TFF'ers working the site: Here are my finds (not in phylogenetic order). Scale in mm throughout. I guess I'll start with one of my bucket listers, a large goniatite: Next, the trilobotes: And "those other arthropods": Now the gastropods: Other Mollusca: Crinoidea: Seedless vascular plant bits: I don't usually collect "hash plates" but such accumulations don't seem very common at these sites, so I picked up this nice one.
  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 commonly observe the item of interest; paler orange indicates times in earth history to less commonly observe the item of interest. White indicates very little to no practical probability of observing the item of interest. Please keep in mind that the listed indicators are things like “conspicuous horn corals,” purposefully declining to address rare encounters with groups of low preservation potential, low recognizability, etc. Got additions/amendments, especially for the groups mentioned above? Toss them in the comments below! Thank you..... https://docs.google.com/spreadsheets/d/1tVm_u6v573V4NACrdebb_1OsBEAz60dS1m4pCTckgyA
  16. t-tree

    Carboniferous Fauna

    In the years of fossil hunting some fossils caught me by surprise especially the ones out of rough pieces that had no resemblance to nodules . These are some of my less common finds myriapods,arachnids, arthropleura tergite,shrimp carpace and the nymph idoptilus sp. I also found fish scales and flora though not as abundant as Mazon creek . Cheers John
  17. I found this today in the Ripley Formation (Late Cretaceous (Maastrichtian) of ne Mississippi. Am I right in thinking it’s a crab finger? Which one? Thanks. coin is 19 mm in diameter.
  18. Still_human

    Eurypterid-sea scorpion

    From the album: Invertebrates and plants(& misc.)

    Eurypturus lacustris arthropoda chelicerata bertie Gr. Williamsville (A) Fm Buffalo, Western New York silurian
  19. sloth

    Agatized Barnacle

    From the album: ocean stuff

    Here was a nice surprise. I picked up this fossil cluster of barnacles and noticed a nice layer of agate underneath! When I processed the photo I took of it I saw that the light from my flash dispersed giving this rainbow effect. It's very small but now when I hold to the light I can see the little rainbows!
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