Jump to content

Search the Community

Showing results for tags 'Ordovician'.

  • Search By Tags

    Type tags separated by commas.
    Tags should be keywords or key phrases. e.g. otodus, megalodon, shark tooth, miocene, bone valley formation, usa, florida.
  • Search By Author

Content Type


Forums

  • Fossil Discussion
    • Fossil ID
    • Fossil Hunting Trips
    • General Fossil Discussion
    • Partners in Paleontology - Member Contributions to Science
    • Fossil of the Month
    • Questions & Answers
    • Member Collections
    • A Trip to the Museum
    • Paleo Re-creations
    • Collecting Gear
    • Fossil Preparation
    • Is It Real? How to Recognize Fossil Fabrications
    • Member-to-Member Fossil Trades
    • Fossil News
  • Community News
    • Member Introductions
    • Member of the Month
    • Members' News & Diversions
  • General Category
    • Rocks & Minerals
    • Geology

Categories

  • Annelids
  • Arthropods
    • Crustaceans
    • Insects
    • Trilobites
    • Other Arthropods
  • Brachiopods
  • Cnidarians (Corals, Jellyfish, Conulariids )
    • Corals
    • Jellyfish, Conulariids, etc.
  • Echinoderms
    • Crinoids & Blastoids
    • Echinoids
    • Other Echinoderms
    • Starfish and Brittlestars
  • Forams
  • Graptolites
  • Molluscs
    • Bivalves
    • Cephalopods (Ammonites, Belemnites, Nautiloids)
    • Gastropods
    • Other Molluscs
  • Sponges
  • Bryozoans
  • Other Invertebrates
  • Ichnofossils
  • Plants
  • Chordata
    • Amphibians & Reptiles
    • Birds
    • Dinosaurs
    • Fishes
    • Mammals
    • Sharks & Rays
    • Other Chordates
  • *Pseudofossils ( Inorganic objects , markings, or impressions that resemble fossils.)

Blogs

  • Anson's Blog
  • Mudding Around
  • Nicholas' Blog
  • dinosaur50's Blog
  • Traviscounty's Blog
  • Seldom's Blog
  • tracer's tidbits
  • Sacredsin's Blog
  • fossilfacetheprospector's Blog
  • jax world
  • echinoman's Blog
  • Ammonoidea
  • Traviscounty's Blog
  • brsr0131's Blog
  • brsr0131's Blog
  • Adventures with a Paddle
  • Caveat emptor
  • -------
  • Fig Rocks' Blog
  • placoderms
  • mosasaurs
  • ozzyrules244's Blog
  • Terry Dactyll's Blog
  • Sir Knightia's Blog
  • MaHa's Blog
  • shakinchevy2008's Blog
  • Stratio's Blog
  • ROOKMANDON's Blog
  • Phoenixflood's Blog
  • Brett Breakin' Rocks' Blog
  • Seattleguy's Blog
  • jkfoam's Blog
  • Erwan's Blog
  • Erwan's Blog
  • marksfossils' Blog
  • ibanda89's Blog
  • Liberty's Blog
  • Liberty's Blog
  • Lindsey's Blog
  • Back of Beyond
  • Ameenah's Blog
  • St. Johns River Shark Teeth/Florida
  • gordon's Blog
  • West4me's Blog
  • West4me's Blog
  • Pennsylvania Perspectives
  • michigantim's Blog
  • michigantim's Blog
  • lauraharp's Blog
  • lauraharp's Blog
  • micropterus101's Blog
  • micropterus101's Blog
  • GPeach129's Blog
  • Olenellus' Blog
  • nicciann's Blog
  • nicciann's Blog
  • Deep-Thinker's Blog
  • Deep-Thinker's Blog
  • bear-dog's Blog
  • javidal's Blog
  • Digging America
  • John Sun's Blog
  • John Sun's Blog
  • Ravsiden's Blog
  • Jurassic park
  • The Hunt for Fossils
  • The Fury's Grand Blog
  • julie's ??
  • Hunt'n 'odonts!
  • falcondob's Blog
  • Monkeyfuss' Blog
  • cyndy's Blog
  • pattyf's Blog
  • pattyf's Blog
  • chrisf's Blog
  • chrisf's Blog
  • nola's Blog
  • mercyrcfans88's Blog
  • Emily's PRI Adventure
  • trilobite guy's Blog
  • barnes' Blog
  • xenacanthus' Blog
  • myfossiltrips.blogspot.com
  • HeritageFossils' Blog
  • Fossilefinder's Blog
  • Fossilefinder's Blog
  • maybe a nest fossil?
  • farfarawy's Blog
  • Microfossil Mania!
  • blogs_blog_99
  • Southern Comfort
  • Emily's MotE Adventure
  • Eli's Blog
  • andreas' Blog
  • Recent Collecting Trips
  • retired blog
  • andreas' Blog test
  • fossilman7's Blog
  • Piranha Blog
  • xonenine's blog
  • xonenine's Blog
  • Fossil collecting and SAFETY
  • Detrius
  • pangeaman's Blog
  • pangeaman's Blog
  • pangeaman's Blog
  • Jocky's Blog
  • Jocky's Blog
  • Kehbe's Kwips
  • RomanK's Blog
  • Prehistoric Planet Trilogy
  • mikeymig's Blog
  • Western NY Explorer's Blog
  • Regg Cato's Blog
  • VisionXray23's Blog
  • Carcharodontosaurus' Blog
  • What is the largest dragonfly fossil? What are the top contenders?
  • Test Blog
  • jsnrice's blog
  • Lise MacFadden's Poetry Blog
  • BluffCountryFossils Adventure Blog
  • meadow's Blog
  • Makeing The Unlikley Happen
  • KansasFossilHunter's Blog
  • DarrenElliot's Blog
  • Hihimanu Hale
  • jesus' Blog
  • A Mesozoic Mosaic
  • Dinosaur comic
  • Zookeeperfossils
  • Cameronballislife31's Blog
  • My Blog
  • TomKoss' Blog
  • A guide to calcanea and astragali
  • Group Blog Test
  • Paleo Rantings of a Blockhead
  • Dead Dino is Art
  • The Amber Blog
  • Stocksdale's Blog
  • PaleoWilliam's Blog
  • TyrannosaurusRex's Facts
  • The Community Post
  • The Paleo-Tourist
  • Lyndon D Agate Johnson's Blog
  • BRobinson7's Blog
  • Eastern NC Trip Reports
  • Toofuntahh's Blog
  • Pterodactyl's Blog
  • A Beginner's Foray into Fossiling
  • Micropaleontology blog
  • Pondering on Dinosaurs
  • Fossil Preparation Blog
  • On Dinosaurs and Media
  • cheney416's fossil story
  • jpc
  • A Novice Geologist
  • Red-Headed Red-Neck Rock-Hound w/ My Trusty HellHound Cerberus
  • Red Headed
  • Paleo-Profiles
  • Walt's Blog
  • Between A Rock And A Hard Place
  • Rudist digging at "Point 25", St. Bartholomä, Styria, Austria (Campanian, Gosau-group)
  • Prognathodon saturator 101
  • Books I have enjoyed
  • Ladonia Texas Fossil Park
  • Trip Reports
  • Glendive Montana dinosaur bone Hell’s Creek
  • Test
  • Stratigraphic Succession of Chesapecten

Find results in...

Find results that contain...


Date Created

  • Start

    End


Last Updated

  • Start

    End


Filter by number of...

  1. Kane

    Triarthrus rougensis

    From the album: Trilobites

    Will need prep. Nicely pyritized.
  2. Kane

    Triarthrus rougensis

    From the album: Trilobites

    Missing cheeks.
  3. Kane

    Triarthrus rougensis

    From the album: Trilobites

    Found on May 2023 dig.
  4. Kane

    Triarthrus rougensis

    From the album: Trilobites

    Found on May 2023 dig. U. Ordovician, Ontario.
  5. Kane

    Triarthrus eatoni

    From the album: Trilobites

    Found on May dig. U. Ordovician, Ontario.
  6. Denis Arcand

    Is this coral ?

    I found a unique fossil in the Ordovician formation, but I'm unsure if it's coral or something else. Any thoughts or suggestions?
  7. Fullux

    Aegirocassis?

    I've been fascinated with Aegirocassis for a while now. The fact that a complex, giant filter feeder occured so many millions of years ago astonishes me. Its just such an alien animal. I've found little fragments of arthropod molts in the Drakes formation which belong to Isotelus. That got me wondering. What are the chances that instead of these all being from isotelus, that they're instead from another arthropod such as a eurypterid or ordovician radiodont. Another question I have is, does aegirocassis or a radiodont related to aegirocassis occur in any places other than morocco. The Drakes formation seems to have experienced a submarine landslide (don't quote me on this) and most to all of the fossils there are of creatures that were overtaken by said landslide. (Not entirely sure if this is true) But, what if there were such radiodonts like aegirocassis living in the Drakes formation but the only fossils we would find of them is molt fragments like the ones I've found that fell off of the animal and were buried in the sediment, instead of whole body fossils because they were able to escape this landslide. Though, I suppose the only way to confirm that such a radiodont lived in the Drakes would be to find an actual fossilized corpse of one. Really I just think this is a fun idea but it definitely would be cool if it is true.
  8. Taxonomy from Fossilworks.com. Synonym Ectenocrinus canadensis Billings 1857. Ectenocrinus simplex can be well recognized by its distinctive trimeric columnals. References: Hall, J. (1847). Containing descriptions of the organic remains of the lower division of the New York system (equivalent of the Lower Silurian rocks of Europe). Paleontology of New York 1:1-338. Titus, R. (1989). Clinal Variation in the Evolution of Ectenocrinus simplex. Journal of Paleontology Vol. 63, No. 1 (Jan., 1989), pp. 81-91. Warn, J. and Strimple, H. L. (1977). The disparid inadunate superfamilies Homocrinacea and Cincinnaticrinacea (Echinodermata, Crinoidea), Ordovician-Silurian, North America (Bulletins of American Paleontology, 72, 138 p. H. Alghaled (2019). An Upper Ordovician faunal assemblage from the Neuville Formation of Québec, including an exceptionally preserved soft bodied sea anemone, Paleocerianthus neuvillii n. sp., Université de Montréal. MSc. thesis.
  9. JimTh

    Some ordovician oddballs

    Hi folks, I made a long trip to several sites yesterday and brought home a couple of oddballs. First up, from St. Leon, I think this is Tetradium. I've found it before at this site and had it id'd here, but this appears pyritized and a bit different, maybe a bit larger segments? Thoughts? Second, from Lawrenceburg. I thought this was a giant gastropod wrapped in bryozoan when I first found it, but now I think it's just a very snail-like bryozoan growth. Can you see the spiral? Also from Lawrenceburg, is this oddity. The crater thing in the middle. Looks a lot like a crinoid calyx seen from the bottom, but I've never seen a calyx like this from either of these ordovician sites. Has a very bryozoan like texture around the top, but then gets smooth as it goes down. I suspect this is also a really odd bryozoan growth, but tell me what you think. Finally, there is this thing. I've been really wanting to find an Isotelus, so when I saw this, well, I said some choice words. Apologies for no scale, this was perched pretty high up in the Lawrenceburg cut. It's still there, as I convinced myself it had to be something else and it was on a big slab. It was around 6-8" long from top to bottom in the photo. I actually brought home a partial one of these before, but never ran it down to figure out what it is. It has a very defined edge along the right, that has a small "bead" on it, if you will. (Bead like in woodworking, if that helps.) Thanks!
  10. Fullux

    Isotelus?

    I found these two pieces in the Drakes formation of Louisville, Kentucky a little while ago. I'm 85% sure that these are molt fragments from Isotelus maximus but needed a second opinion. One could argue that these are simply iron coatings on pebbles, but if you look at the second one, the "coating" dips down into the pebble, and is also mixed in with a few other fossils such as vinlandostrophia. Then again I could still be wrong, I have been before.
  11. From article: New fossil site in Taichoute, Morocco, suggests giant arthropods, up to 2 meters long, dominated the seas 470 million years ago. The site offers new insights into the Fezouata Biota and early life on Earth. https://scitechdaily.com/ancient-giants-uncovered-fossil-site-sheds-light-on-arthropod-dominance-470-million-years-ago/ Paper https://www.nature.com/articles/s41598-022-25000-z
  12. Isotelus2883

    Isotelus gigas

    From the album: Purchased Trilobites of Isotelus2883

    Isotelus gigas from the Walcott Rust quarry. It is nicely inflated, but not very well-preserved. I got it for next to nothing though, so no complaints.
  13. Yesterday (5-5-23), I decided to take a quick 4 1/2 hour trip (350 miles- one way) down to the tri-state area to collect Ordovician road cut fossils in Indiana, Kentucky and Ohio. Before heading back today I did more collecting and also hit the Geo Fair that was held in Sharonville, Ohio. This post will show the types of fossils that I came across, some I kept, many I left and some will be passed out at the ESCONI Braceville Shaft Mine trip tomorrow. BROOKVILLE, INDIANA- This is a great roadcut to collect, but it is a tall location on 45 degree angle and very easy to loose your footing and slide down. There were a ton of Turkey Vultures flying overhead, here are a few. Vilandistrophia (?) Partial Caritodens Rafinesquina Stromatoporoid- Ambonychia- Ambonychia and Caritodens- Cyclonena- Hebertella- Horn Coral- Other misc pieces-
  14. Dawson Sensenig

    Micro From Newfoundland?

    I have been working on my undergraduate thesis for a little town called Cow Head in Newfoundland, Canada. This area is a part of the Cow Head group, specifically the Stearing Island beds, making it Lower Ordovician. I'm asking about the little circular guy in the top right. If anyone has any idea what it may be (if it even is a fossil) that would be great, any help would be greatly appreciated! I would love to credit you in our paper if you'd like! I attached images of the thin section in both plane polarized and cross polarized light. Thank you!
  15. SilurianSalamander

    Unknown Paleozoic echinoderm

    Crinoid calyx or echinoid? Found in gravel with Ordovician-Devonian fossils. About 2cm across at the widest point. Druzy coating over the fossil which seems to be an external mould. In orange jasper. Thanks so much!
  16. Hey everyone, I wanted to show this fossil I found back in November as I think it's pretty cool. On my first trip that involved splitting shale, I found this Triarthrus cephalon, which is cool on it's own but it was only later that I looked back to it and realized the particular shape that resides on top of and below the cephalon. This trilobite appears to have been buried with the shell of a nautiloid! Please excuse if it's hard to see, the first few pictures were really difficult to get and my phone isn't the best at taking close up shots as it is. The 1st and second pictures represent the two halves of the piece, while the 3rd and 4th pictures are the same thing with a rough tracing of where the shell is. The 5th picture is an older picture I came across while making this post that while blurry shows the shaping somewhat decently. So yeah, there's a pretty cool find in my collection, I don't know how rare this kind of thing is or how they ended up together but I think it's really fascinating anyway!
  17. Isotelus2883

    Ampyxina bellatula

    From the album: Purchased Trilobites of Isotelus2883

    Maquoketa formation, This one was bought in-person from the Past and Present shop in Blasdell. It has a genal spine preserved, which is somewhat uncommon.
  18. Isotelus2883

    Asaphus lepidurus

    From the album: Purchased Trilobites of Isotelus2883

    Probably from the Aseri/Asery of the St. Petersburg region. There was not a lot of information given, but it was a quite aesthetically pleasing specimen.
  19. Isotelus2883

    Asaphus kowalewskii

    From the album: Purchased Trilobites of Isotelus2883

    This one is from the Aseri/Asery level in the St. Petersburg region. This one is one of my higher quality pieces. View of thorax and pygidium.
  20. Isotelus2883

    Asaphus kowalewskii-view of cephalon

    From the album: Purchased Trilobites of Isotelus2883

    This one is from the Aseri/Asery level in the St. Petersburg region. This one is one of my higher quality pieces. View of cephalon.
  21. Nautiloid

    Hypodicranotus striatulus

    From the album: Nautiloid’s Trilobite Collection

    Hypodicranotus striatulus I found on February 19, 2023 while collecting at La Familia Quarry. It’s from the Middle Ordovician Trenton Group, and was found in a stratigraphic section where the species has never been documented. Unlike the vast majority of H. striatulus specimens, this one came from a thin bedded shale unit. Because of this, it is more compressed than most specimens, although the detail is still outstanding.

    © Owen Yonkin 2023

  22. Dean Ruocco

    My Megalograptus specimens.

    Hello all, Below are my best specimens from the Ordovician family of Eurypterids know as Megalograptus. Top to Bottom. undet. Megalograptid from the Reedsville shale at Swatara gap, Pennsylvania. Then 2 Megalograptus ohioensis from the Cincinnatian shales in Ohio. Note the Isotelus head on the bottom specimen. Undet. Megalograptid from the Pontgrave Formation in Canada. Lastly another Megalograptus ohioensis.
  23. I found this specimen in 2020 and donated it to the Royal Ontario Museum later that year. A paper is to be published very soon formally describing it! It's a roughly 7cm wide mimetasterid marrellomorph - the only marrellomorph know from the Ordovician of Canada, and one of a handful of such arthropods recorded worldwide. I found my very first trilobite in 2014. The members of this forum helped my ID it, learn more about the stratigraphy of my area and what tools to use to find more. Thanks to that base of knowledge,, the last 7 years have seen paleontology become an increasingly important part of my life. This incredible fossil in the culmination of what started right here on TFF- so thank you! 1) False color composite image courtesy of Enrico Bonino: 2) Part 1 3) Part 2 4) Handing-off the specimen to JBC
  24. connorp

    Missouri Ordovician Cystoid

    I collected this disarticulated cystoid from the Kimmswick Formation (Late Ordovician) in eastern Missouri. Cystoids are well outside my wheelhouse, so I was hoping someone here might be able to help me narrow down an ID, if one can be made at all from what's present. Thanks for any help.
  25. Fishing for fossils might sound like a strange hobby, but I've discovered that it's the perfect combination of relaxation and excitement. Instead of reeling in fish, I'm reeling in ancient fossils from the Richelieu river. And while I might not have any fish tales to tell, I do have some great stories about my fossil-hunting adventures. It might not be the most conventional hobby, but it's certainly a fun one. And the best part? No fishing license required! The Lorraine Group is known for its abundance of fossils, which provides valuable information about the region's past environments and evolution. The fossils found in the Lorraine Group are mainly marine invertebrates, such as brachiopods, trilobites, bryozoans, crinoids, and gastropods. It is a geologic formation in the Canadian province of Quebec. It is part of the St. Lawrence Platform, which is a large region of sedimentary rocks that underlies much of eastern North America. The erosion of these formations over time creates a variety of rocks with different mineralogical characteristics, which can be found on the beaches in the area. The Lorraine Group is an important source of geological information about the history of the St. Lawrence Platform and the tectonic events that shaped it. These fossils, including crinoid and sowerbyella, offer a glimpse into the rich biodiversity of the area during the Ordovician period, and are estimated to be around 450 million years old. I had spent times meticulously photographing this sowerbyella I had found from the Richelieu river. When I finally found the perfect shot, I snapped the picture with satisfaction. But it wasn't until later, after I had added the picture to The Fossils Forum, that I noticed something small and unexpected in the upper right corner of the image. Upon closer inspection, I realized that two tiny gastropods had photobombed my perfect shot! These little intruders are a fun and quirky addition to the photo, and it gave me a great story to tell. After all, when you're fishing for fossils, you never know what unexpected surprises you might find along the way. I stumbled upon the remains of a previous campfire. As I looked closer, I noticed something white sticking out of the dark ash and debris - it was a coupe of bleached fossils! The colors and patterns of the fossils are truly beautiful, and provide a glimpse into the rich biodiversity of the area during the Ordovician period. I feel fortunate to have found these fossils and to be able to share them with you. I have a funny story to share about the day I took this picture, I was so focused on capturing the perfect shot of a crinoid fossil that I didn't notice the waves getting closer and closer. Suddenly, a wave came splashing on my running shoes, soaking my feet completely! Although it was a bit uncomfortable, I couldn't help but laugh at myself for getting so absorbed in my photography that I didn't even realize I was getting my feet wet. Despite getting my feet wet, I was determined to capture the stunning colors and patterns of these fossils, The diverse composition of the Lorraine Group's formations, with the Nicolet Formation being siliceous and the Pontgravé Formation being carbonate-rich, can explain the variety of rocks found on the beaches in the area. The erosion of these formations over time results in a mix of sediments with different mineralogical characteristics, creating a range of textures and colors in the rocks. These pictures were taken at the beginning of spring, after the winter erosion caused by ice and water waves, which creates a new harvest of fossils that are ready to be collected, with no preparation necessary. I found some really cool fossils! I was crouching down to take pictures of them when I noticed some other people walking by and giving me curious looks. I got a little self-conscious, but I decided to smile and explain to them that I was just taking pictures of the fossils. To my surprise, they seemed interested and even came over to take a closer look with me. We ended up having a nice conversation about the Lorraine Group formation and the abundance of fossils in the area. It was really cool to connect with some strangers over a shared interest, and I'm glad I didn't let my initial self-consciousness stop me from taking a closer look at those fossils! When I take pictures of fossils in bubbling water, it's a really exciting and fun experience. The water creates these amazing patterns and textures around the fossil, making the whole image really dynamic and cool to look at. But it's not always easy! Sometimes the water creates glare or reflections that can be distracting and hard to deal with. And because the water is always moving, it can be tricky to get a good, clear shot of the fossil. Despite the challenges, getting a great photo of a fossil in bubbling water is really rewarding. The water creates a sense of movement and energy around the ancient remains, which makes the photo feel really alive and vibrant. To get the perfect shot, I usually try different camera settings and angles until I find what works best. I'll use a polarizing filter to cut down on glare and improve clarity, and I'll often use a tripod and a slower shutter speed to capture the motion of the water while still keeping the fossil in sharp focus. The fossils that I've discovered are estimated to be around 450 million years old, and have been preserved in amazing detail. It's experiences like these that make me appreciate the beauty and power of nature even more. As someone who combines my passion for photography and fossil collecting, I was delighted to capture the stunning colors and patterns of these fossils. I had been carefully photographing some beautiful crinoid segments that I had found while fishing for fossils in the Richelieu river. I had finally found the perfect angle, when suddenly something appeared in my frame. It was a white feather that had drifted into the shot, obscuring part of my subject. At first, I was frustrated that my perfect shot had been ruined by this unexpected intruder. But then, I took a step back and looked at the composition as a whole. I realized that the feather actually added an interesting element to the photo, creating a sense of movement and adding a touch of whimsy. So instead of deleting the photo or trying to edit out the feather, I decided to keep it in the shot, embracing the unexpected twist that nature had thrown my way. And in the end, the photo was even more appealing and unique because of it. Despite the mishap, I managed to capture some stunning pictures of the fossils, including this sowerbyella, which I'm thrilled to share with you. The abundance of fossils in the Lorraine Group is a testament to the richness of marine life that existed in the region during the Paleozoic era. These fossils have contributed greatly to our understanding of the geological history of eastern North America and continue to be a valuable resource for scientists studying the evolution of life on Earth. To end my day, I couldn't resist capturing theses naturally formed ice sculptures in water , they can be incredibly appealing because they represent a unique and fleeting moment in time. These sculptures are created by the forces of nature, as water and ice interact in complex ways to form stunning and intricate shapes. Each sculpture is completely unique, shaped by the specific conditions of the water and the temperature at the time it was formed. This means that no two sculptures are ever exactly alike, making them a true work of art created by the natural world. Additionally, the way that light interacts with the ice can create a stunning visual effect, with the ice taking on a glittering and iridescent appearance that is truly mesmerizing to behold. Overall, naturally formed ice sculptures in water represent a beautiful and awe-inspiring aspect of the natural world, one that is both visually stunning and endlessly fascinating to explore. For more information about my hunting site, look at my previous post which took place during winter and autumn : The day I went fishing for fossils (part I) (winter) The day I went fishing for fossils (part II) (winter) The day I went fishing for fossils (part III) (autumn) The day I went fishing for fossils (part IV) (spring) Happy Fishing!
×
×
  • Create New...