Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: View 1: Although never formally described to the species level, this very rare crinoid from the Arkona formation is similar to the Silica formation species. It measures 20mm high and 11mm wide.

Photo title: Crinoid

Taxa present: Euryocrinus laddii

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: Due to the rarity of fragments in the H.H. member this echinoid remains undescribed. This good specimen shows parts of the lantern(oral opening) in the lower half of the photo. The specimen measures 40mm X 40mm.

Photo title: Echinoid

Taxa present: Undescribed sp.

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: A highly pyritized and nearly complete straight cephalopod collected on matrix. This common species is rarely found on matrix. It measures about 40mm in length.

Photo title: Cephalopod

Taxa present: Bactrites arkonensis

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This brachiopod is common in the formation. They attach to many different species of corals. All are single valves. The largest brachiopod in the photo measures 41mm X 34mm.

Photo title: Inarticulate Brachiopod

Taxa present: Petrocrania hamiltoniae

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Widder formation

Submitter notes: A common fossil in the Widder formation. Although these are nice plump specimens, most are not. The largest specimen of the four measures 28mm X 25mm. (Formerly known as Leiorhynchus)

Photo title: Brachiopod

Taxa present: Eumetabolotoechia cf. multicostum

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: These brachiopods are a hypotype. The largest is 1 cm across. The label on these specimens indicates that the locality is unknown. The locality would have to be either Milan or Sylvania. I have entered Milan only because the database requires a locality.

Photo title: Brachiopods

Taxa present: Ambocoelia umbonata

UMMP specimen number: hypotype 61273 A-F

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: See view #1 for additional information.

Photo title: Blastoid - View #2

Taxa present: Athyris vittata

UMMP specimen number: hypotype 61030

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: This brachiopod is a hypotype. It is 2.7 cm across.

Photo title: Brachiopod - View #1

Taxa present: Athyris vittata

UMMP specimen number: hypotype 61030

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): , Mackinac, MI

Strat unit: Bois Blanc formation

Submitter notes: See view #1 for additional information.

Photo title: Brachiopod - View #2

Taxa present: Amphigenia elongata

UMMP specimen number: hypotype 23593

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): , Mackinac, MI

Strat unit: Bois Blanc formation

Submitter notes: This specimen is a hypotype. It is 4.3 cm across.

Photo title: Brachiopod - View #1

Taxa present: Amphigenia elongata

UMMP specimen number: hypotype 23593

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): , Charlevoix, MI

Strat unit: Bois Blanc formation

Submitter notes: This specimen is a hypotype. It is 2.6 cm tall.

Photo title: Brachiopod

Taxa present: Amphigenia elongata

UMMP specimen number: hypotype 23594

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): , Emmet, MI

Strat unit: Petoskey formation

Submitter notes: These specimens are a hypotype. The larger specimen is 2.5 cm tall.

Photo title: Brachiopods

Taxa present: Athyris sp.

UMMP specimen number: hypotype 60833

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: Thes specimens are a hypotype. The larger specimen is 2.8 cm across.

Photo title: Brachiopods

Taxa present: Callipleura nobilis

UMMP specimen number: hypotype 17807

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): , Huron, MI

Strat unit: Coldwater formation

Submitter notes: This specimen is a hypotype. It is 1.7 cm across.

Photo title: Brachiopod

Taxa present: Camarotoechia huronensis var. precipua

UMMP specimen number: hypotype 2217

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): , Mackinac, MI

Strat unit: Bois Blanc formation

Submitter notes: See view #1 for additional information.

Photo title: Brachiopod - View #2

Taxa present: Centronella glansfugea

UMMP specimen number: hypotype 23585

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): , Mackinac, MI

Strat unit: Bois Blanc formation

Submitter notes: This specimen is a hypotype. It is 0.9 cm tall.

Photo title: Brachiopod - View #1

Taxa present: Centronella glansfugea

UMMP specimen number: hypotype 23585

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): Marshall, Calhoun, MI

Strat unit: Marshall formation

Submitter notes: This specimen is the holotype for the species. It is 1.8 cm across.

Photo title: Brachiopod

Taxa present: Camarotoechia marshallensis

UMMP specimen number: holotype 4385

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): Marshall, Calhoun, MI

Strat unit: Marshall formation

Submitter notes: This specimen the holotype for the species. It is 1.2 cm tall.

Photo title: Brachiopod

Taxa present: Camarotoechia sageriana

UMMP specimen number: holotype 4381

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): Detroit, Wayne, MI

Strat unit: Traverse formation

Submitter notes: These brachiopods are a paratype. The larger specimen is 1.5 cm across.

Photo title: Brachiopods

Taxa present: Chonetes fenkelli

UMMP specimen number: paratype 17008

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): , Luce, MI

Strat unit: Manitoulin formation

Submitter notes: This specimen 0.8 cm tall.

Photo title: Brachiopod

Taxa present: Atrypa laticorrugata

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