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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Submitted on 2008-03-16 by ummp invertebrate paleontology

Location (approximate): Battle Creek, Calhoun, MI

Strat unit: Marshall formation

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

Photo title: Pelecypod

Taxa present: Sphenotus obliguus

UMMP specimen number: hypotype 44072

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Submitted on 2008-03-16 by ummp invertebrate paleontology

Location (approximate): Bay Port, Huron, MI

Strat unit: Bayport formation

Submitter notes: This specimen is a hypotype. It is 8 cm across. The museum label indicates that this specimen is from the 'Point Au Gres limestone.' I have not found a reference to this formation. The Bayport Limestone does exits in the area that this was found and I have changed the formation to the Bayport Lm.

Photo title: Pelecypod

Taxa present: Allorisma strongi

UMMP specimen number: hypotype 21419

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Submitted on 2008-03-16 by ummp invertebrate paleontology

Location (approximate): , Delta, MI

Strat unit: Stonington formation

Submitter notes: This specimen is 6 cm across.

Photo title: Pelecypod

Taxa present: Anomalodonta gigantea

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Submitted on 2008-03-16 by ummp invertebrate paleontology

Location (approximate): , Schoolcraft, MI

Strat unit: Manistique formation

Submitter notes: The specimen is 10 cm across the photo.

Photo title: Coral

Taxa present: Cladopora laqueata

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Submitted on 2008-03-15 by Kara Tecco

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This bryozoan completely encrusts a broken brachiopod.

Photo title: Bryozoan Encrusting a Brachiopod

Taxa present: Hederella thedfordensis, Mucrospirifer arkonensis

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