Submitted on 2008-03-22 by Joseph Koniecki

Location (approximate): Alpena, Alpena, MI

Strat unit: Potter Farm formation

Submitter notes: A beautiful colony that is 12 cm across. Photos do not do this grouping justice.

Photo title: Coral colony

Taxa present: Cylindrophyllum sp.

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Submitted on 2008-03-22 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: Two specimens of the same species with one perserved in the normal position and one in the starburst position. The slab is 18 cm tall.

Photo title: Crinoids

Taxa present: Decorocrinus arkonensis

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Submitted on 2008-03-22 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: A syperb specimen that is 5 cm tall.

Photo title: Gastropod

Taxa present: Platyceras conicum

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Submitted on 2008-03-22 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This specimen is 5 cm across.

Photo title: Bryozoan

Taxa present: Leptotrypella quadrangularis

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Submitted on 2008-03-22 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This specimen is 1.6 cm across.

Photo title: Gastropod

Taxa present: Naticonema lineata

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Submitted on 2008-03-22 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Widder formation

Submitter notes: An example of the more typical preservation of ammonites in the Widder formation. The ammonite is 2.2 cm across.

Photo title: Ammonite

Taxa present: Tornoceras uniangulare widderi

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Submitted on 2008-03-22 by Joseph Koniecki

Location (approximate): Thedford, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This specimen is from the Arkona Fm. and is not pyritized. This specimen is 2.5 cm across.

Photo title: Ammonite

Taxa present: Tornoceras mesopleuron

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Submitted on 2008-03-22 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This is a very nice crinoid crown that also has a brittle star lying on the arms. The crinoid is about 5 cm across the arms.

Photo title: Crinoid with starfish

Taxa present: Arthroacantha carpenteri, Eugasterella thorni

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Submitted on 2008-03-22 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This plate has a partial crinoid crown with several gastropods lying around. The plate is 17 cm across.

Photo title: Crinoid with gastropods

Taxa present: Spiniplatyceras arkonense, Arthroacantha carpenteri

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Submitted on 2008-03-22 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: Another nice crinoid specimen but this one shows a lot of cirri coming off the stem. The crinoid is 9 cm top to bottom.

Photo title: Crinoid

Taxa present: Arthroacantha carpenteri

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Submitted on 2008-03-21 by ummp invertebrate paleontology

Location (approximate): , Marquette, MI

Strat unit: Black River formation

Submitter notes: This specimen is the holotype for the species, It is 11 cm across.

Photo title: Cephalopod

Taxa present: Actinoceras turinense

UMMP specimen number: holotype 13366

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Submitted on 2008-03-21 by ummp invertebrate paleontology

Location (approximate): Petoskey, Emmet, MI

Strat unit: Petoskey formation

Submitter notes: This specimen is a hypotype and is 9 cm across the prepared section.

Photo title: Coral

Taxa present: Aulopora sp.

UMMP specimen number: hypotype 60895

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Submitted on 2008-03-21 by ummp invertebrate paleontology

Location (approximate): , Presque Isle, MI

Strat unit: Bell formation

Submitter notes: This specimen is a hypotype. The coral is encrusting another coral. The total width is 5.5 cm.

Photo title: Coral

Taxa present: Aulopora conferta

UMMP specimen number: hypotype 35012

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Submitted on 2008-03-21 by ummp invertebrate paleontology

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This coral is encrusting a brachiopod. The brachiopod specimen is 5.5 cm across. This specimen is a hypotype.

Photo title: Coral

Taxa present: Aulopora microbuccinata

UMMP specimen number: hypotype 53793

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Submitted on 2008-03-21 by ummp invertebrate paleontology

Location (approximate): , Huron, MI

Strat unit: Marshall formation

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

Photo title: Ammonite

Taxa present: Munsteroceras oweni

UMMP specimen number: hypotype 21970

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Submitted on 2008-03-21 by ummp invertebrate paleontology

Location (approximate): , Chippewa, MI

Strat unit: Manistique formation

Submitter notes: This specimen is a hypotype and is 9.5 cm across.

Photo title: Cephalopod

Taxa present: Huronia annulata

UMMP specimen number: hypotype 2810

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Submitted on 2008-03-21 by ummp invertebrate paleontology

Location (approximate): Ann Arbor, Washtenaw, MI

Strat unit: Manistique formation

Submitter notes: This specimen is 6 cm across.

Photo title: Coral

Taxa present: Syringopora annulata

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Submitted on 2008-03-21 by ummp invertebrate paleontology

Location (approximate): Ann Arbor, Washtenaw, MI

Strat unit: Manistique formation

Submitter notes: This specimen is the holotype for the species. It is 8 cm across.

Photo title: Coral

Taxa present: Syringopora tenella

UMMP specimen number: holotype 8548

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Submitted on 2008-03-16 by ummp invertebrate paleontology

Location (approximate): , Huron, MI

Strat unit: Coldwater formation

Submitter notes: This specimen is the holotype for the species. It is 2.3 cm tall.

Photo title: Pelecypod

Taxa present: Euchondria areolatus

UMMP specimen number: holotype 2222

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Submitted on 2008-03-16 by ummp invertebrate paleontology

Location (approximate): , Huron, MI

Strat unit: Coldwater formation

Submitter notes: This specimen is a hypotype. It is 2 cm tall.

Photo title: Pelecypod

Taxa present: Euchondria areolatus

UMMP specimen number: hypotype 50123

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