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Allorisma sp. |
Bayport formation |
Pat Rutkowski |
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Submitted on 2008-11-24 by Pat Rutkowski
Location (approximate): Bellevue, Eaton, MI
Strat unit: Bayport formation
Submitter notes: A nice inflated clam measuring 51mm x 23mm.
Photo title: Pelecypod
Taxa present: Allorisma sp.
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Palaeoneilo sulcantina |
Marshall formation |
Pat Rutkowski |
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Submitted on 2008-11-24 by Pat Rutkowski
Location (approximate): , Jackson, MI
Strat unit: Marshall formation
Submitter notes: A nicely preserved specimen measuring 38mm x 20mm resting on a slab measuring 90mm x 71mm
Photo title: Pelecypod
Taxa present: Palaeoneilo sulcantina
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Mooreoceras sp. aff. M. cliftonense |
Marshall formation |
Pat Rutkowski |
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Submitted on 2008-11-24 by Pat Rutkowski
Location (approximate): , Calhoun, MI
Strat unit: Marshall formation
Submitter notes: Three nautiloids, the largest measuring 110mm x 31mm and the smallest at 51mm x 41mm.
Photo title: Nautiloids
Taxa present: Mooreoceras sp. aff. M. cliftonense
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Pseudorthoceras sp. |
Saginaw formation |
Pat Rutkowski |
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Submitted on 2008-11-24 by Pat Rutkowski
Location (approximate): Grand Ledge, Eaton, MI
Strat unit: Saginaw formation
Submitter notes: A rare nautiloid from the Pennsylvanian of Michigan. The specimen measures 2.2 inches x .6 inches.
Photo title: Nautiloid
Taxa present: Pseudorthoceras sp.
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Paraspirifer bownockeri |
Silica formation |
Graham Lewis |
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Submitted on 2008-11-24 by Graham Lewis
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: A Brachial view of a large specimen from a Silica fm. locality where this species is fairly rare. It measures 46.6mm x 36.0mm.
Photo title: Brachiopod
Taxa present: Paraspirifer bownockeri
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Paraspirifer bownockeri |
Silica formation |
Graham Lewis |
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Submitted on 2008-11-24 by Graham Lewis
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: A side view showing both valves of a large specimen from a Silica fm. locality where this species is fairly rare. It measures 46.6mm x 36.0mm.
Photo title: Brachiopod
Taxa present: Paraspirifer bownockeri
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Tabulophyllum traversense |
Potter Farm formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Alpena, Alpena, MI
Strat unit: Potter Farm formation
Submitter notes: calyx view: Beautiful preservation from a clay layer. It measures 37mm in diameter.
Photo title: Horn Coral
Taxa present: Tabulophyllum traversense
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Tabulophyllum traversense |
Potter Farm formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Alpena, Alpena, MI
Strat unit: Potter Farm formation
Submitter notes: side view: Beautiful preservation from a clay layer showing massive attachment talons. It measures 40mm high and 37mm in diameter.
Photo title: Horn Coral
Taxa present: Tabulophyllum traversense
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Asthenophyllum patula |
Cordell formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Gould City, Mackinac, MI
Strat unit: Cordell formation
Submitter notes: Calyx view of coral measuring 25mm in diameter.
Photo title: Coral
Taxa present: Asthenophyllum patula
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Tortophyllum cysticum |
Potter Farm formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Alpena, Alpena, MI
Strat unit: Potter Farm formation
Submitter notes: Calyx view of a beautiful clay-layer coral. The specimen is 62mm high. Unfortunately, the city tinks this site looks better buried under a paved bicycle path!
Photo title: Rugose Coral
Taxa present: Tortophyllum cysticum
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Trachypora silicaensis |
Silica formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: This type of coral is most often found as broken fragments on surface exposures. It measures 150mm in length.
Photo title: Coral
Taxa present: Trachypora silicaensis
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Proctothylacocrinus sp. |
Thunder Bay formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: An undescribed cladid crinoid measuring 46mm in length with stem.
Photo title: Crinoid Crown
Taxa present: Proctothylacocrinus sp.
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Eutaxocrinus whiteavesi |
Widder formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Thedford, Lambton, ON
Strat unit: Widder formation
Submitter notes: A nice small specimen collected by accident on the back of a brachiopod slab. The specimen is 16.5mm long with stem.
Photo title: Crinoid Crown
Taxa present: Eutaxocrinus whiteavesi
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Tortophyllum cysticum |
Potter Farm formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Alpena, Alpena, MI
Strat unit: Potter Farm formation
Submitter notes: Side view of a beautiful clay-layer coral. The specimen is 62mm high. Unfortunately, the city tinks this site looks better buried under a paved bicycle path!
Photo title: Rugose Coral
Taxa present: Tortophyllum cysticum
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Grammysia sylvaniensis |
Silica formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: Side view of a beautiful big Silica pelecypod measuring 88mm in length.
Photo title: Pelecypod
Taxa present: Grammysia sylvaniensis
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Grammysia sylvaniensis |
Silica formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: Overhead view of a beautiful big Silica pelecypod measuring 88mm in length.
Photo title: Pelecypod
Taxa present: Grammysia sylvaniensis
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Poteriocrinus arkonensis |
Arkona formation |
David Clark |
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Submitted on 2008-11-24 by David Clark
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: A partial crown measuring 60mm long(stem not included).
Photo title: Crinoid Crown
Taxa present: Poteriocrinus arkonensis
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Phacops (Eldredgeops) crassituberculata |
Silica formation |
David Clark |
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Submitted on 2008-11-24 by David Clark
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: A pair of trilobites on matrix. The larger specimen is 53.5mm long and the smaller is 42mm in length.
Photo title: Trilobite Double
Taxa present: Phacops (Eldredgeops) crassituberculata
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Mediospirifer audaculus |
Silica formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: Pedicle view: Brachiopods were tough! This specimen shows a terrific injury that healed deforming new growth. It measures 31.5mm across.
Photo title: Brachiopod
Taxa present: Mediospirifer audaculus
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Mediospirifer audaculus |
Silica formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: Brachial view: Brachiopods were tough! This specimen shows a terrific injury that healed deforming new growth. It measures 31.5mm across.
Photo title: Brachiopod
Taxa present: Mediospirifer audaculus
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