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  • *Pseudofossils ( Inorganic objects , markings, or impressions that resemble fossils.)

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  1. The Portal

    Backyard item #1 Mammal rib?

    I’ve been hanging around this forum for a while, and now that I’ve officially joined, I’m gonna start by going through my years’ fossil accumulations, particularly the ones that came from my backyard creek (The Portal) and see if I can’t get them them all correctly IDed. Maybe I’ll call it the Backyard Project, if anyone wants to follow along. So here’s the first item: I hope the picture quality is decent enough. It is about three cm long and one cm wide. I’m very sure it is a bone, and given the long thin shape of it I can only think rib. After a bit of searching the only close
  2. SilurianSalamander

    Gastropods or tube worms?

    Found these weird spirals in this chunk of agatized rock. Devonian from Bradford beach in Milwaukee. Thanks!
  3. SilurianSalamander

    Echinoid?

    The preservation isn’t the best. Broke open a big piece of dolomite with a nice brachiopod. Found that I had shattered whatever this is and exposed some nice silicified chain coral. It’s sorta a hemisphere with internal structures. My best guess would be some sort of echinoid. Silurian Wisconsin, Hartung quarry
  4. SilurianSalamander

    Ostracods?

    Found in the side of a building in Wisconsin, Cambrian-Devonian rocks here. Any ideas? Thinking bivalves or a bivalved arthropod. Sorry for the lack of scale! Each one is about the size of an apple seed
  5. SilurianSalamander

    Paleozoic trace fossils?

    Sorry for lack of scale! Cambrian-Devonian rocks here. Found in the side of a building.
  6. SilurianSalamander

    Conulariid or nothing?

    Found in Paleozoic gravel alongside crinoids, corals, and gastropods. Sorry if this is just wishful thinking! Thanks. The rock is about an inch tall
  7. I'm working with Dr David Campbell on possible fossils found associated with the Murphy Marble Fm in Western North Carolina. In 1973. Don Hathaway was logging cores at the Nantahala Limestone Quarry when he found what looked to be organic remains in a couple of cores cut into the Murphy Marble Fm. The age of the Murphy Marble is enigmatic, because of the lack of fossils in it, and it doesn't have the minerals that could be used to determine radiometric ages. The metamorphic grade of the marble and associated formations are garnet to staurolite grade. It's believed that these units were metamor
  8. I find lots of these external moulds/trace fossils at the Milwaukee formation I hunt at. Any ideas? I’m stumped. Devonian terrestrial and marine deposit
  9. There are few reasons why I would ever wake up at 5 am and begin a two and a half hour drive out to the middle of nowhere. When I saw that the PSoA was heading out to the Brownwood area, I knew it was an opportunity too good to pass up. Everything I had hunted prior might as well have been buried yesterday when compared to the mind-blowing ages of Pennsylvanian and Permian rocks. It's still crazy to think that those formations were roughly three times the age of the oldest stuff I'd seen before. When I peeled out of the parking garage to begin my drive under the stars, I didn't feel an ounce o
  10. Here's a tooth I bought with several other specimens from the same locality (Upper Burlington Limestone, Biggsville, Henderson County, Illinois) back in the 90's. It has smooth enamel and is 1 1/2 inches (37mm) along its longest dimension. I have another tooth much like it but it is much smaller and I've seen other teeth like it but this one is the largest I've seen. Years ago, one collector thought it could be Chomatodus but that doesn't match what I see elsewhere. I think it is a tooth form that has been tentatively identified as Orodus or a relative in the past but I don't know Carbonif
  11. Winger

    What Type Coral

    I am new to this group and would appreciate any help provided in identifying this fossil. All I know is that it is a coral; I found it in the Wainfleet, ON area decades ago.
  12. 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!
  13. Carl

    Brachiopod Help

    Hi All, I have a bunch of brachiopods that got separated from their data and was hoping someone here might be able to restore some of it. They are apparently Paleozoic and likely from the US midwest. I see probable productids and maybe rhynconellids in there, but my knowledge of brachiopods is pretty limited. I strongly suspect they are all from one locality. Any help with locality, age, or taxa would be greatly appreciated! Best, Carl
  14. SilurianSalamander

    Port Huron, Michigan trip

    I drive 8 hours with a friend to a location he remembers from his childhood as yielding a lot. Oh boy it did. 100% worth the drive. Lake Huron, among the agates, pyrite, yooperlite, has some extraordinary Devonian fossils. All fossils were collected from the beach of his family’s property except for the fenestelid bryozoan, which was found at a gas station on the way there. please enjoy this collection of gastropods, petoskey stones, various tabulate corals, crinoids, stromatoporoids, bivalves, Brachiopods, tenteculites, horn corals, an unidentified agatized fossil in jasper matrix
  15. Found in the side of a building and in the surrounding landscaping. From the Cambrian seashore sandstone of Blackberry Hill Wisconsin. The place is known for its fossils of mass jellyfish strandings and its trace fossils of some of the first arthropods, mollusks, and other animals on land. What are these? Thanks!
  16. Misha

    Partially pyritized spiriferid

    From the album: Misha's Middle Devonian Fossils

    Mucrospirifer prolificus Givetian Silica Shale Fm. Milan, MI Gift from @connorp
  17. Misha

    Favosites with Aulopora

    From the album: Misha's Middle Devonian Fossils

    Favosites sp. Widder formation, Ontario, Canada. From @Monica
  18. Misha

    Mucrospirifer arkonensis

    From the album: Misha's Middle Devonian Fossils

    Mucrospirifer arkonensis Givetian, Arkona shale Hungry hollow, Ontario, Canada From @Monica
  19. Misha

    Tabulate coral? Germany

    From the album: Misha's Middle Devonian Fossils

    Not sure about an ID yet Givetian, Eifel, Germany Trade with @Max-fossils
  20. Misha

    Eoreticularia aviceps

    From the album: Misha's Middle Devonian Fossils

    Eoreticularia aviceps Eifelian, Grzegorzowice, Poland Purchase
  21. Misha

    Strophomenid with epibionts

    From the album: Misha's Middle Devonian Fossils

    Protoleptostrophia perplana, Petrocrania hamiltoniae and Hederellids Givetian Silica Shale Fm. Sylvania OH Purchase
  22. Misha

    Solitary rugose corals, Germany

    From the album: Misha's Middle Devonian Fossils

    Calceola sandalina Givetian Eifel, Germany Trade with @Max-fossils
  23. Misha

    Osteolepis macrolepidotus

    From the album: Misha's Middle Devonian Fossils

    Osteolepis macrolepidotus Sandwick Fish Beds, Orkney Isles, Scotland Purchase
  24. Augusto Joaquín Suarez

    identification please

    Good evening to everyone who comes to see my post, I thank you in advance for the time you take to read the question you presented, which would be the first of several specimens that I have not been able to identify. About two years ago I started hunting for fossils almost by luck as I was looking for minerals until I found the first turritellas, on one of these trips I find a rock of considerable size and weight with a curved linear pattern similar to "worms" although I honestly don't really know what it is, I have found trace fossils but never horizontal, and less than that thick, I ha
  25. dolevfab

    Cephalopod Shell Color!

    Hello all! Recently I have been obsessed with cephalopods and realized there is a real lack of reconstructions of the color patterns on extinct nautiloids and ammonites! This led me to compile a list of known fossil color patterns on cephalopods. After a year of on and off research, I found about 90 species of cephalopods retaining official or undescribed, original patterning on their shells. These are the first 15 species on my list. The color markings are based both on descriptions and photographs of the fossil material. The shades of the markings are based on the fossils, bu
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