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  1. JUAN EMMANUEL

    Prismostylus sp.. (huronense?)

    From the album: Credit River Fossils from Streetsville, Ontario (Georgian Bay Formation, Upper Member)

    Prismostylus sp. found near Streetsville, Missisauga, Ontario by the banks of the Credit River. Top view of specimen. Georgian Bay Formation, Streetsville Member, late Ordovician, Katian. Formerly called Tetradium, this algae was very common to find in the locality I found this in. Small fragments of this algae can be observed on the limestone but I have seen some specimens that are wider than 20-25 cm in diameter. This specimen is a fragment and is around 15 cm at its widest point.
  2. JUAN EMMANUEL

    Side Views of the Prismostylus sp. Specimen

    From the album: Credit River Fossils from Streetsville, Ontario (Georgian Bay Formation, Upper Member)

    Side view of the Prismostylus sp. specimen. Credit River near the Streetsville area, Mississauga, Ontario. Georgian Bay Formation, Streetsville Member. Late Ordovician.
  3. JUAN EMMANUEL

    Endoceras proteiforme with Endocone Speiss

    From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)

    Endoceras proteiforme (Hall, 1847) with a conical endocone speiss. Found in Mimico Creek, Toronto, Ontario. Georgian Bay Formation, Humber Member, late Ordovician, Katian. Length is approximately 2 feet long. This specimen is a fragment of the larger body.
  4. JUAN EMMANUEL

    Conularia formosa

    It has been reported that complete specimens of this species is rare to find in the formation. The Royal Ontario Museum is said to contain many partials and most come from the former Don Valley Brickyard in Toronto. This specimen was found in Mimico Creek. To see details up close please click the full size button. Reference: Ontario. Department of Mines. The Stratigraphy And Paleontology Of Toronto And Vicinity.
  5. JUAN EMMANUEL

    Conularia formosa

    From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)

    Conularia fomosa (Miller & Dyer, 1878). Separate specimen from the previous one but unlike the previous this one is a positive and is 3D but compressed flat. This was found less than 2 feet away from the first one. Found in Mimico Creek limestone of the Georgian Bay formation. Late Ordovician, Toronto, Ontario, Canada.

    © (©)

  6. JUAN EMMANUEL

    Conularia formosa

    From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)

    Conularia formosa (Miller & Dyer, 1878). Found in limestone at Mimico Creek, Toronto. Late Ordovician, Georgian Bay formation. Species unknown. Negative cast. There are pelycopod molds surrounding the specimen. Note: I was talking to David Rudkin (Assistant Curator, Invertebrate Paleontology) at the ROM rock clinic on Dec. 10, 2015 and showed him the specimens of Conularia and he pointed out that the species that can found in the Georgian Bay formation is C. formosa.

    © (©)

  7. JUAN EMMANUEL

    Slab Of Little Ripples Marks

    From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)

    Little ripple marks caused by the gentle currents on the shallow late Ordovician sea floor of Toronto. Georgian Bay formation, Humber member(?), Humber River area, Toronto, Ontario. Limestone slab, the coin is a quarter at the bottom for scale. Hmm, I'm beginning to decide if I should have taken this home with me today. Also at the bottom are two clam negative casts: a Whiteavesia and a Modiolopsis.

    © (©)

  8. JUAN EMMANUEL

    Caritodens demissa

    From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)

    Caritodens demissa, a late Ordovician bivalve from Mimico Creek, Toronto, Ontario and belongs to the Georgian Bay Formation. A dolostone specimen.

    © (©)

  9. JUAN EMMANUEL

    Isotelus maximus molt

    From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)

    Isotelus maximus (Locke, 1838). Big trilobite pygidium molt and the only partial big molt I have ever found at Mimico creek. Approximately 15 centimetres across. Found in Mimico creek, Toronto, Ontario. Georgian Bay formation, late Ordovician. I found this by accident when I first started fossil hunting at Mimico creek back in October 2013. Shale specimen.

    © (©)

  10. JUAN EMMANUEL

    Three Little Flexis

    From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)

    The unprepared and complete Flexicalymene granulosa trilobites all together from Mimico creek, Toronto, Ontario, Canada. Late Ordovician, Georgian Bay formation. All three were found in shale but I also found a complete one once on a limestone.

    © (©)

  11. JUAN EMMANUEL

    Cyrtolites ornatus

    From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)

    Cyrtolites ornatus (Conrad, 1838). Late Ordovician monoplacophoran from Mimico creek, Toronto, Ontario. Georgian Bay formation. This one is set on limestone.

    © (©)

  12. JUAN EMMANUEL

    Take 2 of the Modiolopsis slab

    From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)

    A second and more detailed photo of the modiolopsis slab. This one shows a little bit more detail, hopefully. Also, it appears that this thing is not full of modiolopsis as I first concluded, but rather it is full of Whiteavesia pholadiformis. There is also a Cymatonota lenoir, and it appears to me that there is only one specimen of modiolopsis, which would be M. concentrica. Dime shown for scale, and Georgian Bay formation, Mimico creek.

    © (©)

  13. JUAN EMMANUEL

    Zygospira erratica

    From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)

    Zygospira erratica. These two are set on a limestone hash plate with an orthocone to the left. Both are the same species and have an obvious sulcus. Mimico creek, Toronto, late Ordovician, Georgian Bay formation. Edit: I also have found a massive slab of limestone that had a death assemblage of these brachiopods . I forgot to take photos though , and I'm not sure if the slab is still there.

    © (©)

  14. JUAN EMMANUEL

    Whitella sp.

    From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)

    Modiolopsis ovata Whitella sp. found at Mimico creek. Internal mold of a clam valve. I picked this up from the bottom of a collapsed cliff. Georgian Bay formation, late Ordovician, Toronto, Mimico creek. I put a dime next to it for size.

    © (©)

  15. JUAN EMMANUEL

    Modiolopsis Mayhem slab in situ

    From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)

    A slab full of late Ordovician fauna of the Georgian Bay Formation of Toronto, mostly containing whole complete Modiolopsis. Found at a collapsed cliff of shale at Mimico creek. Many specimens have crushed parts and their bits of crushed parts got thrown all over the slab, so probably this was a storm turbulence-caused death.

    © (©)

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