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Orthotetes n. sp. |
Bayport formation |
ummp invertebrate paleontology |
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Submitted on 2009-02-15 by ummp invertebrate paleontology
Location (approximate): Grand Rapids, Kent, MI
Strat unit: Bayport formation
Submitter notes: This specimen is 5.3 cm across.
Photo title: Brachiopod - View #2
Taxa present: Orthotetes n. sp.
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Orthotetes n. sp. |
Bayport formation |
ummp invertebrate paleontology |
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Submitted on 2009-02-15 by ummp invertebrate paleontology
Location (approximate): Grand Rapids, Kent, MI
Strat unit: Bayport formation
Submitter notes: This specimen is 5.3 cm across.
Photo title: Brachiopod - View #1
Taxa present: Orthotetes n. sp.
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Strophodonta demissa |
Widder formation |
ummp invertebrate paleontology |
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Submitted on 2009-02-07 by ummp invertebrate paleontology
Location (approximate): Thedford, Lambton, ON
Strat unit: Widder formation
Submitter notes: The larger specimen is 3 cm acrss. These specimens are from Mose Elliott's Quarry.
Photo title: Brachiopods
Taxa present: Strophodonta demissa
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Strophomena filitexta |
Chandler Falls formation |
ummp invertebrate paleontology |
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Submitted on 2009-02-07 by ummp invertebrate paleontology
Location (approximate): , Delta, MI
Strat unit: Chandler Falls formation
Submitter notes: This specimen is 4.3 cm across.
Photo title: Brachiopod
Taxa present: Strophomena filitexta
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Stropheodonta n. sp. |
Ferron Point formation |
ummp invertebrate paleontology |
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Submitted on 2009-02-07 by ummp invertebrate paleontology
Location (approximate): , Alpena, MI
Strat unit: Ferron Point formation
Submitter notes: The largest specimen is 3 cm across. These are from the Raymond Hibbard Collection. Rockport Quarry
Photo title: Brachiopods
Taxa present: Stropheodonta n. sp.
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Phacops rana milleri |
Silica formation |
Joseph Koniecki |
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Submitted on 2009-02-07 by Joseph Koniecki
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: This specimen is 5 cm tall. This specimen is one of those rare inflated specimen that are occasionally found. It was also found sitting on a piece of marcasite surrounded by softer shale.
Photo title: Trilobite
Taxa present: Phacops rana milleri
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Acinetaster konieckii |
Arkona formation |
Joseph Koniecki |
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Submitted on 2009-02-07 by Joseph Koniecki
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: This specimen is 1 cm across.
Photo title: Brittle Starfish
Taxa present: Acinetaster konieckii
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Pleurodictyum cornu |
Silica formation |
John Topor |
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Submitted on 2009-02-05 by John Topor
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: These tabulate corals are from unit 7. The large specimen showing pyrite crystals measures 22.4mm in diameter.
Photo title: Corals
Taxa present: Pleurodictyum cornu
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Paraspirifer bownockeri |
Silica formation |
John Topor |
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Submitted on 2009-02-05 by John Topor
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: Large pyritized specimens of Paraspirifer are common, but good small specimens are harder to come by. These 6 specimens were collected from unit 9. The largest measures 30mm x 24.5mm and the smallest is 25.8mm x 17mm.
Photo title: Brachiopod
Taxa present: Paraspirifer bownockeri
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Paraspirifer bownockeri, Mediospirifer audaculus, Hederella sp. |
Silica formation |
John Topor |
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Submitted on 2009-02-05 by John Topor
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: View #2: An uncleaned pyritized specimen from unit 9 of the Medusa North Quarry encrusted with the bryozoan Hederella. The larger Paraspirifer measures 54mm x 41mm.
Photo title: Brachiopod Pair
Taxa present: Paraspirifer bownockeri, Mediospirifer audaculus, Hederella sp.
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Paraspirifer bownockeri, Mediospirifer audaculus, Hederella sp. |
Silica formation |
John Topor |
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Submitted on 2009-02-05 by John Topor
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: View #1: An uncleaned pyritized specimen from unit 9 of the Medusa North Quarry encrusted with the bryozoan Hederella. The larger Paraspirifer measures 54mm x 41mm.
Photo title: Brachiopod Pair
Taxa present: Paraspirifer bownockeri, Mediospirifer audaculus, Hederella sp.
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Pholidostrophia nacrea |
Silica formation |
John Topor |
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Submitted on 2009-02-05 by John Topor
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: A common brachiopod in unit 7. Single valves showing good internal structure can be found. Pictured specimens range from 20-22mm long by 15-16mm wide
Photo title: Brachiopods
Taxa present: Pholidostrophia nacrea
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Aulocystis jacksoni |
Silica formation |
John Topor |
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Submitted on 2009-02-05 by John Topor
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: This common coral, found in the lower part of unit 7, is found at all Silica Fm. localities. The specimens in the photo range from 15mm to 25mm long.
Photo title: Coral
Taxa present: Aulocystis jacksoni
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Intrapora irregularis |
Silica formation |
John Topor |
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Submitted on 2009-02-05 by John Topor
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: These bryozoans occur in bifoliate fronds often encrusted with the bryozoan Hernodia on its surface. From unit 7 of the Medusa North Quarry. The largest specimen measures 40mm x 20mm.
Photo title: Bryozoan
Taxa present: Intrapora irregularis
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Gilbertsocrinus ohioensis |
Silica formation |
John Topor |
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Submitted on 2009-02-05 by John Topor
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: A heavily pyritized calyx showing the basal area spines. One of the more common crinoids of the formation. The calyx measures 22mm x 26mm and rests on matrix measuring 75mm x 61mm.
Photo title: Crinoid Calyx
Taxa present: Gilbertsocrinus ohioensis
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Leiorhynchus kelloggi |
Silica formation |
John Topor |
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Submitted on 2009-02-05 by John Topor
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: These brachiopods occur in the upper part of the Silica Fm. in units 19, 22 & 23 encased in limestone. Their outer epidermal layer is missing due to exposure during blasting.
Photo title: Brachiopods
Taxa present: Leiorhynchus kelloggi
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Mucrospirifer prolificus |
Silica formation |
John Topor |
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Submitted on 2009-02-05 by John Topor
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: A very common brachiopod at this locality. The largest specimen measures 34mm x 16.4mm
Photo title: Brachiopods
Taxa present: Mucrospirifer prolificus
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Hyperoblastus bassleri |
Thunder Bay formation |
John Topor |
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Submitted on 2009-02-05 by John Topor
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: One of four different genera that are found in this formation. This is a large specimen for the species. It measures 25.6mm high x 15mm at the widest point.
Photo title: Blastoid
Taxa present: Hyperoblastus bassleri
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Eldredgeops milleri |
Silica formation |
John Topor |
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Submitted on 2009-02-05 by John Topor
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: These three fine specimens were found together in the Medusa North Quarry. Note the different poses as they were not found on the same plane but were sort of loosely entwined. The one on the left measures 41.5mm x 28mm, Top right is 45.5mm x 26mm and lower right is 41mm x 23mm. Commonly known as Phacops.
Photo title: Trilobite Trio
Taxa present: Eldredgeops milleri
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Platyceras bucculentum |
Silica formation |
John Topor |
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Submitted on 2009-02-05 by John Topor
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: A large gastropod found in units 7-9. The specimen on the left in the photo measures 44mm x 35.5mm and the right is 42.5mm x 39mm.
Photo title: Gastropod
Taxa present: Platyceras bucculentum
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