Currently showing records 1 - 20 of 46 total

More Info Image Taxa Strat Unit Contributor
Halysites catenularia micropors Fiborn formation Pat Rutkowski

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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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