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Rhipidomella sp. |
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 small specimen measuring 11.7mm in diameter on Matrix.
Photo title: Brachiopod
Taxa present: Rhipidomella 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 pedicle 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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Gennaeocrinus variabilis |
Bell formation |
Stan Hyne |
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Submitted on 2008-11-24 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Bell formation
Submitter notes: Tegmen View: A nice little calyx from the Bell Shale. It measures 17mm in diameter.
Photo title: Crinoid Calyx
Taxa present: Gennaeocrinus variabilis
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Unknown sp. |
Bayport formation |
Pat Rutkowski |
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Submitted on 2008-11-24 by Pat Rutkowski
Location (approximate): , Huron, MI
Strat unit: Bayport formation
Submitter notes: specimen two of two of an unknown Genus/species of fish collected in 1990.
Photo title: Fish Remains
Taxa present: Unknown sp.
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Unknown sp. |
Bayport formation |
Pat Rutkowski |
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Submitted on 2008-11-24 by Pat Rutkowski
Location (approximate): , Huron, MI
Strat unit: Bayport formation
Submitter notes: specimen one of two of an unknown Genus/species of fish collected in 1990. This specimen measures 46mm x 39mm.
Photo title: Fish Remains
Taxa present: Unknown sp.
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Psammodus sp. |
Bayport formation |
Pat Rutkowski |
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Submitted on 2008-11-24 by Pat Rutkowski
Location (approximate): , Huron, MI
Strat unit: Bayport formation
Submitter notes: A rare occurance of a Mississippian shark tooth. It measures 30mm x 14mm.
Photo title: Shark Tooth
Taxa present: Psammodus sp.
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Psammodus sp. |
Bayport formation |
Pat Rutkowski |
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Submitted on 2008-11-24 by Pat Rutkowski
Location (approximate): , Huron, MI
Strat unit: Bayport formation
Submitter notes: A large shark tooth associated with coral specimens collected in 1992. The tooth measures 39mm x 20mm.
Photo title: Shark Tooth
Taxa present: Psammodus sp.
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Ctenacantha sp. |
Michigan formation |
Pat Rutkowski |
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Submitted on 2008-11-24 by Pat Rutkowski
Location (approximate): Grand Rapids, Kent, MI
Strat unit: Michigan formation
Submitter notes: Middle Mississippian specimens collected in the Michigan Natural Storage mine in 1998. An underground gypsum mine.
Photo title: Shark Coprolite
Taxa present: Ctenacantha sp.
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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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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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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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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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