Currently showing records 21 - 40 of 197 total

More Info Image Taxa Strat Unit Contributor
Synbathocrinus michiganensis
Type Specimen
Thunder Bay formation ummp invertebrate paleontology

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

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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Synbathocrinus matutinus 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: 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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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