Submitted on 2008-03-15 by ummp invertebrate paleontology

Location (approximate): , Chippewa, MI

Strat unit: Cordell formation

Submitter notes: This specimen is a hypotype. It is 8 cm across.

Photo title: Cephalopod

Taxa present: Armenoceras rotulatum

UMMP specimen number: hypotype 31575

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Submitted on 2008-03-15 by ummp invertebrate paleontology

Location (approximate): Coldwater, Branch, MI

Strat unit: Coldwater formation

Submitter notes: This specimen is the holotype for the species. It is 9 cm across

Photo title: Cephalopod

Taxa present: Cycloceras ehlersi

UMMP specimen number: holotype 29417

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Submitted on 2008-03-15 by ummp invertebrate paleontology

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This specimen is a paratype and is 3 cm tall.

Photo title: Pelecypod

Taxa present: Leiopteria ausablensis

UMMP specimen number: paratype 38115

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Submitted on 2008-03-15 by ummp invertebrate paleontology

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This specimen is the holotype for the species. It is 2.5cm tall.

Photo title: Pelecypod

Taxa present: Leiopteria ausablensis

UMMP specimen number: holotype 38114

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Submitted on 2008-03-15 by ummp invertebrate paleontology

Location (approximate): , Delta, MI

Strat unit: Chandler Falls formation

Submitter notes: This specimen is a hypotype and is 5.5 cm across.

Photo title: Gastropod

Taxa present: Fusispira nobilis

UMMP specimen number: hypotype 30138

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Submitted on 2008-03-15 by ummp invertebrate paleontology

Location (approximate): , Delta, MI

Strat unit: Chandler Falls formation

Submitter notes: This specimen is a hypotype and is 6 cm across.

Photo title: Gastropod

Taxa present: Hormotoma trentonensis

UMMP specimen number: hypotype 30078

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Submitted on 2008-03-15 by ummp invertebrate paleontology

Location (approximate): , Delta, MI

Strat unit: Trenton formation

Submitter notes: This specimen is the holotype for the species. It is 4cm across.

Photo title: Gastropod

Taxa present: Liospira bachmanni

UMMP specimen number: holotype 26396

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Submitted on 2008-03-15 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Four Mile Dam formation

Submitter notes: This specimen is the holotype for the species. It is 3.5 cm across.

Photo title: Gastropod

Taxa present: Turbinopsis anacarina

UMMP specimen number: holotype 47381

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Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A tegmen(top) view of the calyx which measures 34mm in diameter and 27mm high.

Photo title: Crinoid Calyx

Taxa present: Dolatocrinus asterias

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Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A side view of the calyx which measures 26mm in diameter and 21mm high.

Photo title: Crinoid Calyx

Taxa present: Dolatocrinus triangulatus

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Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A bottom view of the calyx which measures 26mm in diameter and 21mm high.

Photo title: Crinoid Calyx

Taxa present: Dolatocrinus triangulatus

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Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A tegmen(top) view of the calyx which measures 26mm in diameter and 21mm high.

Photo title: Crinoid Calyx

Taxa present: Dolatocrinus triangulatus

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Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A side view of the calyx which measures 36mm in diameter and 33mm high.

Photo title: Crinoid Calyx

Taxa present: Megistocrinus sp.

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Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A bottom view of the calyx which measures 36mm in diameter and 33mm high.

Photo title: Crinoid Calyx

Taxa present: Megistocrinus sp.

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Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A tegmen(top)view of the calyx which measures 36mm in diameter and 33mm high.

Photo title: Crinoid Calyx

Taxa present: Megistocrinus sp.

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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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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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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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Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A bottom view of the calyx which measures 34mm in diameter and 27mm high.

Photo title: Crinoid Calyx

Taxa present: Dolatocrinus asterias

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Submitted on 2008-03-13 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: A side view of the calyx which measures 34mm in diameter and 27mm high.

Photo title: Crinoid Calyx

Taxa present: Dolatocrinus asterias

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