Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: There are a lot of very nice Devonasters in this archive but none more important that this one. This is the holotype upon which the name is based. The specimen is 4 cm across.

Photo title: Starfish - View #1

Taxa present: Devonaster triradiatus

UMMP specimen number: holotype 26489

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: See view #1 for additional information.

Photo title: Starfish - View #2

Taxa present: Devonaster triradiatus

UMMP specimen number: holotype 26489

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This specimen is a holotype. It is 1.5 cm across.

Photo title: Brittle starfish

Taxa present: Drepapaster wrighti

UMMP specimen number: holotype 57497

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Rogers City, Presque Isle, MI

Strat unit: Rogers City formation

Submitter notes: This specimen is a holotype. It is 5 cm across.

Photo title: Starfish

Taxa present: Michiganaster inexpectatus

UMMP specimen number: holotype 57916

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Rogers City, Presque Isle, MI

Strat unit: Rogers City formation

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

Photo title: Starfish

Taxa present: Michiganaster inexpectatus

UMMP specimen number: paratype 57917

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This specimen is a holotype. It is 5.5 cm across.

Photo title: Starfish - View #1

Taxa present: Silicaster esseri

UMMP specimen number: holotype 57371

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This specimen is a holotype. It is 5.5 cm across.

Photo title: Starfish - View#2

Taxa present: Silicaster esseri

UMMP specimen number: holotype 57371

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

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

Photo title: Trilobite

Taxa present: Dechenella (Basidechenella) lucasensis

UMMP specimen number: hypotype 56619

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

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

Photo title: Trilobite

Taxa present: Dechenella (Basidechenella) witherspooni

UMMP specimen number: holotype 56620

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This specimen is a paratype. It is 2 cm across.

Photo title: Trilobite - View #1

Taxa present: Dechenella (Basidechenella) rowi arkonensis

UMMP specimen number: paratype 28682

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This specimen is a paratype. It is 2 cm across.

Photo title: Trilobite - View #2

Taxa present: Dechenella (Basidechenella) rowi arkonensis

UMMP specimen number: paratype 28682

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Ferron Point formation

Submitter notes: This specimen is a paratype. It is 1.7 cm tall.

Photo title: Trilobite - View #1

Taxa present: Dechenella (Basidechenella) alpenensis

UMMP specimen number: paratype 28679

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Ferron Point formation

Submitter notes: This specimen is a paratype. It is 1.7 cm tall.

Photo title: Trilobite - View #2

Taxa present: Dechenella (Basidechenella) alpenensis

UMMP specimen number: paratype 28679

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Ferron Point formation

Submitter notes: This specimen is a paratype. It is 1.6 cm tall. UMMP#27077

Photo title: Trilobite - View #1

Taxa present: Dechenella (Basidechenella) alpenensis

UMMP specimen number: paratype 27077

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Ferron Point formation

Submitter notes: This specimen is a paratype. It is 1.6 cm tall.

Photo title: Trilobite - View #2

Taxa present: Dechenella (Basidechenella) alpenensis

UMMP specimen number: paratype 27077

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): , Alpena, MI

Strat unit: Rogers City formation

Submitter notes: This specimen is a paratype. It is 0.8 cm tall.

Photo title: Trilobite pygidium

Taxa present: Dechenella (Basidechenella) valentini

UMMP specimen number: paratype 29776

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: This specimen is a holotype. It is 4 cm across.

Photo title: Trilobite

Taxa present: Dechenella (Basidechenella) reimanni

UMMP specimen number: holotype 27075

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

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

Photo title: Trilobite

Taxa present: Dechenella (Basidechenella) reimanni

UMMP specimen number: paratype 28718

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): , Wayne, MI

Strat unit: Dundee formation

Submitter notes: This specimen is a hypotype. It is 1.8 cm across.

Photo title: Trilobite pygidium

Taxa present: Dechenella (Basidechenella) planimarginata

UMMP specimen number: hypotype 15125

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): , Wayne, MI

Strat unit: Dundee formation

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

Photo title: Trilobite pygidium

Taxa present: Dechenella (Basidechenella) planimarginata

UMMP specimen number: hypotype 15122

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