Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Mackinaw City, Cheboygan, MI

Strat unit: Bois Blanc formation

Submitter notes: This specimen is a hypotype. It is 3 cm across.

Photo title: Trilobite pygidium

Taxa present: Phacops pipa

UMMP specimen number: hypotype 31323

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Petersburg, Monroe, MI

Strat unit: Amherstburg formation

Submitter notes: This specimen is a hypotype. It is 1.4 cm across.

Photo title: Trilobite cephalon

Taxa present: Phacops pipa

UMMP specimen number: hypotype 31325

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): , Charlevoix, MI

Strat unit: Bois Blanc formation

Submitter notes: This specimen is a hypotype. It is 1.3 cm across.

Photo title: Trilobite pygidium

Taxa present: Proetus stenopyge

UMMP specimen number: hypotype 29518

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Submitted on 2009-01-06 by ummp invertebrate paleontology

Location (approximate): , Mackinac, MI

Strat unit: Bois Blanc formation

Submitter notes: This specimen is a hypotype. It is 6.5 cm across. This specimen is from Mackinac Island.

Photo title: Coral

Taxa present: Scenophyllum conigerum

UMMP specimen number: hypotype 8585B

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Submitted on 2009-01-06 by ummp invertebrate paleontology

Location (approximate): , Wayne, MI

Strat unit: Amherstburg formation

Submitter notes: This specimen is a syntype. It is 3.5 cm across.

Photo title: Coral

Taxa present: Heterophrentis alternata

UMMP specimen number: syntype 14050

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Submitted on 2009-01-06 by ummp invertebrate paleontology

Location (approximate): Mackinaw City, Cheboygan, MI

Strat unit: Bois Blanc formation

Submitter notes: This specimen is a hypotype. It is 21 cm across.

Photo title: Coral - View #1

Taxa present: Thamnopora limitaris

UMMP specimen number: hypotype 23605

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Submitted on 2009-01-06 by ummp invertebrate paleontology

Location (approximate): Mackinaw City, Cheboygan, MI

Strat unit: Bois Blanc formation

Submitter notes: Close up view of the same specimen.

Photo title: Coral - View #2

Taxa present: Thamnopora limitaris

UMMP specimen number: hypotype 23605

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Submitted on 2009-01-16 by ummp invertebrate paleontology

Location (approximate): Detroit, Wayne, MI

Strat unit: Lucas formation

Submitter notes: This specimen is a hypotype. It is .5 cm across. This specimen is from the Detroit Salt Mine shaft.

Photo title: Brachiopod

Taxa present: Camarotoechia semiplicata

UMMP specimen number: hypotype 14083

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Submitted on 2009-01-17 by ummp invertebrate paleontology

Location (approximate): Saint James, Charlevoix, MI

Strat unit: Bois Blanc formation

Submitter notes: This specimen is a figured specimen. It is 3 cm across. The specimen is from Beaver Island.

Photo title: Brachiopod

Taxa present: Atrypa impressa

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Submitted on 2009-01-17 by ummp invertebrate paleontology

Location (approximate): Saint Ignace, Mackinac, MI

Strat unit: Bois Blanc formation

Submitter notes: This specimen is a hypotype. It is 3.5 cm across.

Photo title: Brachiopod

Taxa present: Fimbrispirifer divaricatus

UMMP specimen number: hypotype 23591

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Submitted on 2009-01-17 by ummp invertebrate paleontology

Location (approximate): , Charlevoix, MI

Strat unit: Bois Blanc formation

Submitter notes: This specimen is 5 cm across. The specimen is from Garden Island.

Photo title: Brachiopod

Taxa present: Leptaena sp.

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Submitted on 2011-01-26 by ummp invertebrate paleontology

Location (approximate): , Presque Isle, MI

Strat unit: Garden Island formation

Submitter notes: This specimen is 3.8 cm across.

Photo title: Brachiopod - View #1

Taxa present: Platyrachella jacksoni

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Submitted on 2015-11-14 by Joseph Koniecki

Location (approximate): Carleton, Monroe, MI

Strat unit: Detroit River formation

Submitter notes: This specimen is 2.7 cm. It came from an old collection. The collectors found it at the Thompson-McCully quarry. Obviously, once upon a time it was possible to collect there. The name is as given by the collector. I would not know the difference between any of the genera.

Photo title: Rostroconch

Taxa present: Hippocardia cunea

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Submitted on 2018-06-12 by Michael Lask

Location (approximate): Port Sanilac, Sanilac, MI

Strat unit: Amherstburg formation

Submitter notes: These little pieces of Petoskey stone were collected decades ago on the rocky shores of Lake Huron. They are exactly as found, naturally polished and aged. The larger fragment is 36 mm across. Hexagonaria was a genus of reef forming tabulate coral. Tabulate corals are extinct. Enormous reefs formed in what was Michigan during the Devonian period.

Photo title:

Taxa present: Hexagonaria percarinata

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