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  1. Tristan

    Unidentified Arkona Coral

    Could I have some help identifying these coral pieces which I found in Arkona? Any help would be appreciated.
  2. Fossildude19

    Gastropod from Arkona

    From the album: Fossildude's Middle Devonian Fossils

    Naticonema lineata Middle Devonian Arkona Shale Arkona/Hungry Hollow, Ontario.

    © 2023 Tim Jones

  3. Fossildude19

    Tentaculites death plate

    From the album: Fossildude's Middle Devonian Fossils

    Tentaculites from Arkona. Middle Devonian. There are also crinoid bits and ostracods mixed in.

    © 2023 Tim Jones

  4. GreatHoatzin

    Devonian Brachiopods

    I found lots of these guys while searching in the Hungry Hollow formation near Arkona. Age is Middle/Upper Devonian.
  5. Ludwigia

    Tentaculites sp.

    From the album: Sketches

    A hash plate from the Middle Devonian Givetian deposits in the clay pit at Hungry Hollow, Arkona, Ontario, Canada. Thanks to Peter Lee for the original photo of it.
  6. From the album: Misha's Middle Devonian Fossils

    Eldredgeops rana, Microcyclus thedfordensis Givetian Arkona Shale Formation, Hungry Hollow, Ontario, Canada. I do not remember if these were from a trade, conttest or gift but they were kindly sent to me by @Monica
  7. From the album: Misha's Middle Devonian Fossils

    Tornoceras arkonense, Bactrites arkonensis Givetian Arkona Shale Formation, Hungry Hollow, Ontario, Canada. I do not remember if these were from a trade, contest or gift but these wonderful little fossils were kindly sent to me by @Monica
  8. Hi everyone! I have this middle section of a trilobite from the south pit at Arkona, but it’s very fragile. I’ve already lost some of it, so I’m looking for tips to keep it safe.
  9. So I was at Arkona with my family recently, and at the flooded pit my mom found this piece It's about an inch long It's the hole(?) that I'm confused about. The only thing I can think of is some type of coral, but I really have no idea.
  10. noahc0d

    What is this trilobite?

    I can't figure out a species, or really any classification for this one. It came from the Hungry Hollow member of the Widder Formation in southern Ontario. My first thought would be greenops widderensis, but it lacks genal spines (or places where they could have broken off), as well as defined "bumps" (idk the right term) present on specimens I find on the internet. I don't think they could have eroded away either, because there are fine details still present. I'm thinking maybe Phacops rana? I'm new to this so not really sure. An interesting note, the little bumps on the top of the glabella are only present where there was no matrix when I found it, not really sure what that would mean. Here's how I found it Sorry for the bad quality, I took this on my phone. Thanks!
  11. Owen Ridgen

    A few Fossils from recently

    Hello everyone, thanks for letting me join the site! I'm an amateur fossil hunter from Toronto who has made a few expeditions in the past months. I've found a few fossils of interest that I'd like some help identifying. Below are links to photos of the fossils in question on my iNaturalist page, along with some additional details. Thanks all in advance! The following were all found along the Don River in Toronto. 1. https://www.inaturalist.org/observations/68570190 2. https://www.inaturalist.org/observations/68573964 3. https://www.inaturalist.org/observations/68570193 4. https://www.inaturalist.org/observations/68300323 5. https://www.inaturalist.org/observations/68573819 This was also found in Toronto, in a clean fill pile. A nice assortment of small invertebrates here. 6. https://www.inaturalist.org/observations/19866874 This one is a real mystery. Also from Toronto, among clean fill. A bone fragment? A piece of vegetation? Coral? 7. https://www.inaturalist.org/observations/68299911 These three were found today in Prince Edward County... 8. https://www.inaturalist.org/observations/69519088 9. https://www.inaturalist.org/observations/69532565 10. https://www.inaturalist.org/observations/69519075#activity_identification_0484c99a-6655-4e0f-8a1c-2ab2cd4c0fea And finally, this Trilobite fragment was found in the vicinity of Arkona. 11. https://www.inaturalist.org/observations/68299694
  12. Hello there! I was just organizing my Hungry Hollow fossils when I noticed this odd object. It looks like a small jaw with teeth, but I know that bivalves have "teeth" along their hinge so it could be that. Does anyone out there recognize the identity of this little piece? It's from the South Pit of Hungry Hollow near Arkona, Ontario and it is from the Middle Devonian. Thanks in advance for your help! Monica
  13. Hello everyone! As in other places around the world, different regions in Ontario are beginning to loosen COVID-related restrictions, and that meant that a field trip to Hungry Hollow near Arkona, Ontario was held yesterday. Viola and I jumped at the chance to visit a site that we haven't been to in almost a year, and we braved the sun and heat to find some cool items. I didn't bring my camera to the pit because I didn't want to get it dirty/dusty, but here are some photos of my favourite finds. I'll tag @Kane and @Northern Sharks - perhaps they'd like to have a look-see at what I found. Item #1: A nice branching coral - Trachypora, I think. Item #2: A Favosites coral that's not in the best condition, but I'm thinking that it has a squashed crinoid calyx on it (maybe)? I've circled the potential calyx in red, and provided a close-up photo of it. The third photo is the back of the coral colony for those who want to see both sides of the coral. More to come...
  14. Shamalama

    Widder Fm.: This is not Tornoceras

    I came home this afternoon in some ridiculously warm weather for January (50F, 10C) and happened to look at a rock I'd collected from the Widder formation about two or three years ago that I had sitting out weathering. It was one that @Kane had quarried from his Gonaitite perch out of the Widder formation and kicked down to me. I'd originally kept the rock because it had a bunch of Mucrospirifer thedfordensis in it and I wanted to see what else would erode out of it. When I turned the rock over I spotted a small round fossil that was brownish... a different color than most fossils. It was pyritized so I chipped it out of the rock and took a look at it. It was a Gonaitite and one that I had never seen before! Most Gonaitites that I have found at Arkona are from the Arkona formation and fall into the Tornoceras arkonense genus, but this one is different. Tornoceras arkonense above, mystery Gonaitite below. I used a new tool that I recently purchased, a home tattoo pen, to clean out one side of it. The pen is quite effective on softer shale or limestone as long as the fossil is much harder. In this case it was pyritized so I didn't have to worry about damaging the fossil. It turns out that this specimen has a smaller diameter phragmocone than Tornoceras arkonense as there are prominent ridges (rather than gaps as in T. arkonense) along the sutures. The suture pattern is plain with a sweeping parabola facing backwards, a straightish line across the keel and then another parabola. I've looked into the usual sources ("CHECK LIST OF FOSSIL INVERTEBRATES DESCRIBED FROM THE MIDDLE DEVONIAN ROCKS OF THE THEDFORD-ARKONA REGION OF SOUTHWESTERN ONTARIO", Stumm and Wright, Paleontology of New York, Hall) and don't see much that correlates to what I've found. Anyone have an idea? The fossil itself is 7/16" (11mm) at it's widest and 2/16" (4mm) thick. It comes from the Middle Devonian aged (Givetian stage) Widder formation at Hungry Hollow, Ontario, Canada. Thanks for looking!
  15. I bought this from a box of unlabelled stuff that a dealer friend in the UK is gradually going through. Another friend IDd the coral as a Heliophyllum halli, perhaps from Hungry Hollow, which seems a good bet - I'm not very familiar with stuff from there though. Middle Devonian anyway. It was the epifauna that really interested me, especially this nice patch of the bryozoan Botryllopora socialis. (It also has other bryozoans, hederellids and cornulitids.) Scale in mm.
  16. Favosites sp. from the Devonian Hungry Hollow member in Arkona, Canada. One of the more interesting corals I've collected, I'm trying to narrow down the species if possible. Any ideas?
  17. I found this orthocone a while back at Arkona (devonian) and I thought it was dolorthoceras, but now I am not so sure. It has a strange mark protruding from centre of each chamber. Any help would be appreciated! d!
  18. Monica

    Hungry Hollow echinoderm

    Hello there! This past Saturday, I went on a "field trip" to Hungry Hollow near Arkona, Ontario (mid-Devonian in age), and I found one weird item. It's an echinoderm of some sort, but which sort? A crinoid holdfast? Something else? Please see the photos below and let me know what you think. (By the way - I didn't make it home from work in time to take photos in natural light today, so I apologize for the fairly poor photo quality - if it's sunny tomorrow I can get better pictures then. And I also apologize for my blue finger in the photos - my students and I were looking at cheek cells under the compound light microscope today and some methylene blue got on my fingers - oops!) One end showing the pentaradial symmetry: The other end not showing much: Side photos: Thanks for your help! Monica
  19. Hello, I was wondering if any kind of sealant was required to preserve shale fossils from Arkona?
  20. fossilzz

    Arkona, Ontario

    These are some devonian finds from Arkona, Ontario, mainly from along the banks of the Ausable river. The formations exposed consist of the Arkona shale, the Hungry Hollow formation and the Widder formation.
  21. Found this one last week in the South pit at Hungry Hollow near Arkona, Ontario. I did a bunch of searching but couldn't narrow this one down. Devonian age Widder fm Hungry Hollow member Measures 2.25 x 2.0 x 1.5 cm
  22. Greg.Wood

    Arkona Crinoid prep

    Here is a Corocrinus calypso I found in the south pit at Hungry Hollow last fall (southern Ontario, Canada, Devonian age). In the past these were a common find in the Arkona formation, but access to the productive outcrops is becoming rare. I stumbled upon this one on top of the northern end of the pit. Sitting there in ten pieces and eroding away, I was lucky to have found it before it turned to dust. The matrix is more solid than the usual clay which makes up the Arkona so I believe it was weathering out of a concretion. I glued the bits that obviously fit together and it ended up in a box with my other Arkona keepers. Two weeks ago I was looking through the collection and decided to prep one of the nicer chunks. After messing around for an hour or so I realized that everything fit together into one piece. Cool! There are some gaps as the edges are worn but I'll take it. Most of my prep experience has been on E. rana from Penn Dixie which are usually quite sturdy and forgiving (I'm not very patient but luckily have not ruined a fossil yet). With this probably being my favourite find to date, it was time to turn down the psi and take my time. I think it is coming along nicely after seven or eight hours of work. Planning to spend another seven hours on it this week to finish it off. Not a lengthy prep for some, but certainly my longest so far.
  23. Kane

    Arkona South Pit

    Spent Sunday with two Forum friends on a dig at the south pit of Arkona. My focus was on the Hungry Hollow Member. We didn't come away with any showstoppers, but it was a nice, sunny day and not too hot. We saw a deer and her fawn, dragonflies with either a bright blue or green metallic sheen, biting deer flies, and wild raspberry plants ripe for picking. Spent this morning doing some preliminary cleanup abrasion of my finds. Fresh HH stuff from the layer tends to be pretty mucky, and it takes careful examination not to miss something good as it is really hard to make out detail. And then, when you take it home, that muck has dried and you wonder "why did I take this chunk of dirty rock home again?" A selection of some of the stuff now that I've done some abrasion:
  24. Greg.Wood

    Arkona 07/06/2019

    As usual I had the urge to go fossil hunting this weekend so I decided to take a trip to Arkona and have a relaxing day of surface collecting. It was calling for rain all week but turned out to be a nice day (aside from the brutal heat and swarming deer flies). Things were looking a little different this year. Spring hit this roadway to one of the pits pretty hard. Critters everywhere so you have to watch your step. There were loads of tiny toads that must have just grown up and left the water. Also found this poor strawberry plant struggling on top of a hill in poor soil but somehow managed to fruit And now for the fossils... I didn't have any luck finding the blastoid or crinoid I was after but I did take a few things home. Some corals Aulocystis ramosa, Platyaxum frondosum Favosites sp. A brach species I didnt have yet and a large Callipleura Nucleospira concinna, Callipleura nobilis An interesting bryozoan and a cluster of tube worms unknown bryozoan, Spirorbis sp. Gastropods Platyceras bucculentum, Naticonema lineata Possible arthropod trackway? And a new trilo species for me. Beaten up but I'll take it. The cephalon+partial thorax look like Basidechenella Pseudodechenella arkonensis. The pygidium looks like Crassiproetus crassimarginatus (top one was found last year).
  25. Ludwigia

    Heterophrentis sp. (Billings 1875)

    From the album: Corals

    4.5cm. A nicely formed little sample with iron pyrites. Hungry Hollow Member Widder Formation Givetian Middle Devon From Hungry Hollow, Arkona, Ontario, Canada
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