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Halysites catenularia micropors |
Fiborn formation |
Pat Rutkowski |
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Submitted on 2007-09-25 by Pat Rutkowski
Location (approximate): Trout Lake, Chippewa, MI
Strat unit: Fiborn formation
Submitter notes: Middle Silurian Anthozoan coral from the Upper Peninsula
Photo title: Colony Coral
Taxa present: Halysites catenularia micropors
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Diphyphyllum huronicum |
Fiborn formation |
Pat Rutkowski |
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Submitted on 2007-09-25 by Pat Rutkowski
Location (approximate): Trout Lake, Chippewa, MI
Strat unit: Fiborn formation
Submitter notes: Silurian Anthozoan on matrix from the Upper Peninsula
Photo title: Coral
Taxa present: Diphyphyllum huronicum
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Conularia sp. |
Fiborn formation |
Pat Rutkowski |
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Submitted on 2007-09-25 by Pat Rutkowski
Location (approximate): Trout Lake, Chippewa, MI
Strat unit: Fiborn formation
Submitter notes: Silurian Conularid from the Upper Peninsula
Photo title: Conularid on Matrix
Taxa present: Conularia sp.
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Calymene sp. |
Cordell formation |
Pat Rutkowski |
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Submitted on 2007-09-25 by Pat Rutkowski
Location (approximate): , Chippewa, MI
Strat unit: Cordell formation
Submitter notes: Silurian of the Upper Peninsula
Photo title: Trilobite Group
Taxa present: Calymene sp.
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Flexicalymene senaria |
Richmond formation |
Pat Rutkowski |
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Submitted on 2007-09-25 by Pat Rutkowski
Location (approximate): , Delta, MI
Strat unit: Richmond formation
Submitter notes: Partial trilobite from the Ordivician of Michigan's Upper Peninsula
Photo title: Trilobite
Taxa present: Flexicalymene senaria
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Halysites labyrinthicus |
Fiborn formation |
Pat Rutkowski |
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Submitted on 2007-09-25 by Pat Rutkowski
Location (approximate): , Chippewa, MI
Strat unit: Fiborn formation
Submitter notes: Middle Silurian Anthozoan from Michigan's Upper Peninsula
Photo title: Colony Coral
Taxa present: Halysites labyrinthicus
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Huroniella sp. |
Fiborn formation |
Pat Rutkowski |
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Submitted on 2007-09-25 by Pat Rutkowski
Location (approximate): , Chippewa, MI
Strat unit: Fiborn formation
Submitter notes: Middle Silurian cephalopod from Michigan's Upper Peninsula -view 1
Photo title: Cephalopod
Taxa present: Huroniella sp.
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Huroniella sp. |
Fiborn formation |
Pat Rutkowski |
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Submitted on 2007-09-25 by Pat Rutkowski
Location (approximate): , Chippewa, MI
Strat unit: Fiborn formation
Submitter notes: Middle Silurian cephalopod from Michigan's UP - View 2
Photo title: Cephalopod
Taxa present: Huroniella sp.
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Prasopora simulatrix |
Trenton formation |
Pat Rutkowski |
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Submitted on 2007-09-25 by Pat Rutkowski
Location (approximate): , Delta, MI
Strat unit: Trenton formation
Submitter notes: Ordivician Bryozoan from Michigan's Upper Peninsula Side View
Photo title: Bryozoan Colony
Taxa present: Prasopora simulatrix
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Prasopora simulatrix |
Trenton formation |
Pat Rutkowski |
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Submitted on 2007-09-25 by Pat Rutkowski
Location (approximate): , Delta, MI
Strat unit: Trenton formation
Submitter notes: Top view of Ordivician Bryozoan from Michigan's Upper Peninsula
Photo title: Bryozoan Colony
Taxa present: Prasopora simulatrix
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Prasopora simulatrix |
Trenton formation |
Pat Rutkowski |
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Submitted on 2007-09-26 by Pat Rutkowski
Location (approximate): , Delta, MI
Strat unit: Trenton formation
Submitter notes: Bottom view of Ordivician Bryozoan from Michigan's Upper Peninsula
Photo title: Bryozoan Colony
Taxa present: Prasopora simulatrix
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Stummiana arkonensis |
Alpena formation |
Pat Rutkowski |
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Submitted on 2008-03-12 by Pat Rutkowski
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A very rare little trilobite from the Dock Street Clay member. It measures 20mm long x 12mm wide.
Photo title: Trilobite
Taxa present: Stummiana arkonensis
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Crassiproetus microgranulatus |
Genshaw formation |
Pat Rutkowski |
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Submitted on 2008-03-12 by Pat Rutkowski
Location (approximate): Alpena, Alpena, MI
Strat unit: Genshaw formation
Submitter notes: This trilobite measures 31mm tall x 20mm wide.
Photo title: Trilobite
Taxa present: Crassiproetus microgranulatus
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Neometacanthus callites |
Alpena formation |
Pat Rutkowski |
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Submitted on 2008-03-12 by Pat Rutkowski
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A very unusual trilobite. This specimen measures 37mm long x 21mm wide.
Photo title: Trilobite
Taxa present: Neometacanthus callites
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Dipleura dekayi |
Thunder Bay formation |
Pat Rutkowski |
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Submitted on 2008-03-12 by Pat Rutkowski
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This very rare enrolled trilobite would easily measure over 100mm(4 inches) if it was prone. The above photo shows the specimen from a side view. the trilobite is 55mm wide in this view.
Photo title: Trilobite
Taxa present: Dipleura dekayi
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Dipleura dekayi |
Thunder Bay formation |
Pat Rutkowski |
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Submitted on 2008-03-12 by Pat Rutkowski
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This very rare enrolled trilobite would easily measure over 100mm(4 inches) if it was prone. The above photo shows the specimen from a top view. the trilobite is 49mm wide in this view.
Photo title: Trilobite
Taxa present: Dipleura dekayi
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Strataster devonicus |
Silica formation |
Pat Rutkowski |
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Submitted on 2008-03-12 by Pat Rutkowski
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: This Ophuroid measures about 30mm in diameter. It rests on a slab that is 45mm x 36mm.
Photo title: Brittlestar
Taxa present: Strataster devonicus
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Agelacrinites sp. |
Alpena formation |
Pat Rutkowski |
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Submitted on 2008-03-12 by Pat Rutkowski
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: This rare fixed starfish from the Dock Street Clay member measures 27mm in diameter. The slab is 62mm square.
Photo title: Edrioasteroid
Taxa present: Agelacrinites sp.
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Pithocrinus cooperi |
Alpena formation |
Pat Rutkowski |
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Submitted on 2008-03-12 by Pat Rutkowski
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: This inflated crown measures 95mm long x 94mm wide. The calyx is slightly crushed.
Photo title: Crinoid Crown
Taxa present: Pithocrinus cooperi
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Pithocrinus cooperi |
Alpena formation |
Pat Rutkowski |
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Submitted on 2008-03-12 by Pat Rutkowski
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A fine example of a complete crown with 165mm of stem. The crown measures 25mm x 28mm.
Photo title: Crinoid Crown
Taxa present: Pithocrinus cooperi
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