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  1. 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
  2. Lise found the first blastoid of the year at Arkona, during last weeks spectacular warm spell. She also found the first Petoskey stone, though there was very little of Lake Huron’s shoreline free of snow and ice. I, however, found a stromatoporoid. An interesting piece, from a chunk of armour stone, quarried from somewhere or other. A spectacular ice nugget was also found.
  3. Back during an April trip to the Widder Formation (Mid-Devonian), I came upon a rather sizeable placoderm. It is very likely the arthrodire, Protitanichthys sp., although it is a bit of wastebasket taxon, but new research is underway. It was pretty much stuck in this rock, and it was only going to come out the hard way. I collected every little bit I could find from that dirty, messy bench, including the impression. Here is the in situ photo:
  4. 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/685701
  5. 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
  6. 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
  7. 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.
  8. 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.
  9. 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?
  10. From the album: Gastropods and Bivalves Worldwide

    3x On a hash plate from the north pit at Hungry Hollow, Ontario along with brachiopod and crinoid debris. Arkona Shale Formation, Givetian, Middle Devon.
  11. 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!
  12. 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 c
  13. Ludwigia

    Callipleura nobilis (Hall 1860)

    From the album: Brachiopoda

    3cm. Hungry Hollow Member Widder Formation Givetian Middle Devon Found at the south pit at Hungry Hollow, Arkona, On., Canada
  14. Hello, I was wondering if any kind of sealant was required to preserve shale fossils from Arkona?
  15. 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.
  16. 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
  17. 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 u
  18. From the album: Gastropods and Bivalves Worldwide

    5cm. long Hungry Hollow Member Widder Formation Givetian Middle Devon Found at the south pit at Hungry Hollow, Arkona, On., Canada
  19. 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.
  20. 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 struggli
  21. 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
  22. From the album: Gastropods and Bivalves Worldwide

    5cm. long. On Matrix with a lot of bryozoan, crinoid, brachiopod, trilobite & coral detritus, particularly a nicely pyritized Heliophyllum(?) Hungry Hollow Member Widder Formation Givetian Middle Devon
  23. Found the teeth today at Hungry Hollow. In decades of fossil hunting in the area, I have never seen evidence of sharks. The teeth seem modern and could have been left there. The stratum is Devonian based upon my simple understanding. Did sharks coexist with the coral, brachiopods, crinoids and occasional trilobite that are commonly found here?
  24. Ludwigia

    Naticonema lineata (Conrad 1842)

    From the album: Gastropods and Bivalves Worldwide

    3cm. Hungry Hollow Member Widder Formation Givetian Middle Devon Found at the south pit at Hungry Hollow, Arkona, On., Canada
  25. Ludwigia

    Pholidostrophia nacrea (Hall 1852)

    From the album: Brachiopoda

    15mm. Hungry Hollow Member Widder Formation Givetian Middle Devon Found at the south pit at Hungry Hollow, Arkona, On., Canada
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