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Synbathocrinus michiganensis
Type Specimen |
Thunder Bay formation |
ummp invertebrate paleontology |
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Submitted on 2008-03-01 by ummp invertebrate paleontology
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This specimen is a hypotype and is 7 cm including the stem.
Photo title: Crinoid
Taxa present: Synbathocrinus michiganensis
UMMP specimen number: hypotype 57632
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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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Synbathocrinus matutinus |
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: A rare small crown measuring 49mm high and 7mm wide. The slab measures 55m x 37mm.
Photo title: Crinoid Crown
Taxa present: Synbathocrinus matutinus
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Synbathocrinus matutinus |
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: A rare crinoid crown measuring 63mm high and 10mm wide. The slab measures 105m x 44mm.
Photo title: Crinoid Crown
Taxa present: Synbathocrinus matutinus
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Spongophyllum alpenense |
Potter Farm formation |
Stan Hyne |
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Submitted on 2008-03-12 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Potter Farm formation
Submitter notes: A very nice colony measuring 100mm x 71mm. Commonly known as Petosky stone.
Photo title: Colonial Coral
Taxa present: Spongophyllum alpenense
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Megistocrinus concavus |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-12 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A tegmen(top) view of the calyx which measures 34mm in diameter and 25mm high.
Photo title: Crinoid Calyx
Taxa present: Megistocrinus concavus
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Megistocrinus concavus |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-12 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A bottom view of the calyx which measures 34mm in diameter and 25mm high.
Photo title: Crinoid Calyx
Taxa present: Megistocrinus concavus
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Megistocrinus concavus |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-12 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A side view of the calyx which measures 34mm in diameter and 25mm high.
Photo title:
Taxa present: Megistocrinus concavus
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Megistocrinus multidecoratus |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-12 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A tegmen(top) view of the calyx which measures 45mm in diameter and 37mm high.
Photo title: Crinoid Calyx
Taxa present: Megistocrinus multidecoratus
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Megistocrinus multidecoratus |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-12 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A bottom view of the calyx which measures 45mm in diameter and 37mm high.
Photo title: Crinoid Calyx
Taxa present: Megistocrinus multidecoratus
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Megistocrinus multidecoratus |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-12 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A side view of the calyx which measures 45mm in diameter and 37mm high.
Photo title: Crinoid Calyx
Taxa present: Megistocrinus multidecoratus
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Megistocrinus sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A tegmen(top) view of the calyx which measures 42mm in diameter and 33mm high.
Photo title: Crinoid Calyx
Taxa present: Megistocrinus sp.
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Megistocrinus sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A bottom view of the calyx which measures 42mm in diameter and 33mm high.
Photo title: Crinoid Calyx
Taxa present: Megistocrinus sp.
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Megistocrinus sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A side view of the calyx which measures 42mm in diameter and 33mm high.
Photo title: Crinoid Calyx
Taxa present: Megistocrinus sp.
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Dolatocrinus barrisi |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A tegmen(top) view of the calyx which measures 34mm in diameter and 20mm high.
Photo title: Crinoid Calyx
Taxa present: Dolatocrinus barrisi
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Dolatocrinus barrisi |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A bottom view of the calyx which measures 34mm in diameter and 20mm high.
Photo title: Crinoid Calyx
Taxa present: Dolatocrinus barrisi
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Dolatocrinus barrisi |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A side view of the calyx which measures 34mm in diameter and 20mm high.
Photo title: Crinoid Calyx
Taxa present: Dolatocrinus barrisi
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Unknown sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This undescribed crinoid measures 13mm high x 19mm wide.
Photo title: Crinoid Calyx
Taxa present: Unknown sp.
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Unknown sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This undescribed crinoid measures 13mm high x 19mm wide. Another view.
Photo title: Crinoid Calyx
Taxa present: Unknown sp.
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