Submitted on 2012-11-28 by Joseph Koniecki

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: This specimen is 4.5 cm across.

Photo title: Crinoid calyx

Taxa present: Megistocrinus multidecoratus

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Submitted on 2012-11-28 by Joseph Koniecki

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: This specimen is 3.2 cm across.

Photo title: Crinoid calyx

Taxa present: Megistocrinus concavus

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Submitted on 2012-11-28 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This specimen is 3 cm tall.

Photo title: Crinoid calyx with tegmen

Taxa present: Arthroacantha carpenteri

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Submitted on 2012-11-28 by Joseph Koniecki

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: This specimen is 3.3 cm tall.

Photo title: Blastoid

Taxa present: Placoblastus obovatus

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Submitted on 2012-12-02 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: I found this specimen a couple years back in the Arkona Formation. I have not been able to ID it. It is quite large for a pelecypod from the Arkona. This specimen is 7 cm across. Most Arkona formation pelecypods are a cm or less. Any help in ID'ing this specimen would be appreciated.

Photo title: Pelecypod

Taxa present: Undetermined

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Submitted on 2013-07-23 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: Crinoids in general are very rare in the Hungry Hollow member of the Widder formation. This is a rare example of an intact crinoid calyx. It measures 4 cm in diameter.

Photo title: Crinoid Calyx

Taxa present: Megistocrinus rugosus

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Submitted on 2013-07-23 by Joseph Koniecki

Location (approximate): Alpena, Alpena, MI

Strat unit: Potter Farm formation

Submitter notes: This blastoid is 1.3 cm tall. The side and top view are of the same specimen.

Photo title: Blastoid

Taxa present: Heteroschisma alatus

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Submitted on 2014-02-19 by Joseph Koniecki

Location (approximate): Bay Shore, Charlevoix, MI

Strat unit: Jordan River formation

Submitter notes: This specimen is 1.2 cm tall.

Photo title: Blastoid

Taxa present: Hyperoblastus imperilis

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Submitted on 2014-08-06 by Joseph Koniecki

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: This colony measures 9 cm across the plate

Photo title: Bryozoa

Taxa present: Fenestrellina sp.

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Submitted on 2014-12-02 by Joseph Koniecki

Location (approximate): Alpena, Alpena, MI

Strat unit: Genshaw formation

Submitter notes: An exquisite specimen of a brachiopod encrusted with a bryozoan. This was found on the September 2014 FUMMP field trip to Alpena. The brachiopod is 6 cm across.

Photo title: Brachiopod encrusted with Bryozoa

Taxa present: Spinocyrtia granulosa, Atactotoechus typicus

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Submitted on 2014-12-02 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: An example of a articulate brachiopod with an inarticulate brachiopod on its shell. The Paraspirifer is 6 cm across.

Photo title: Brachiopods

Taxa present: Paraspirifer bownockeri, Petrocrania hamiltoniae

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Submitted on 2014-12-02 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This specimen is 6.7 cm across.

Photo title: Brachiopod

Taxa present: Mediospirifer audaculus

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Submitted on 2015-09-13 by Joseph Koniecki

Location (approximate): Baie de Wasai, Chippewa, MI

Strat unit: Fiborn formation

Submitter notes: This specimen is 13 cm across.

Photo title: Coral

Taxa present: Halysites catenularia micropors

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Submitted on 2015-09-13 by Joseph Koniecki

Location (approximate): Baie de Wasai, Chippewa, MI

Strat unit: Fiborn formation

Submitter notes: This specimen is 24 cm across.

Photo title: Coral

Taxa present: Blothrophyllum coespitosum

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Submitted on 2015-11-05 by Joseph Koniecki

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: This species is rare in the Traverse Group. This specimen has two of its spines still attached. The gastropod is 4.3 cm across including the spine.

Photo title: Gastropod with spines

Taxa present: Platyceras indianaensis

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Submitted on 2015-11-05 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: An exceptional example of this species. It is from Unit 7 of the Esrock Quarry. The specimen is 2 cm across.

Photo title:

Taxa present: Pleurodictyum cornu

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Submitted on 2015-11-07 by Joseph Koniecki

Location (approximate): Alpena, Alpena, MI

Strat unit: Genshaw formation

Submitter notes: This is the second of this species that I have found from the Alpena area. This one however is from the Genshaw Fm. whereas the previous was form the Thunder Bay Fm. The specimen is 3.5 cm across.

Photo title: Gastropod

Taxa present: Platyceras indianaensis

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Submitted on 2015-11-07 by Joseph Koniecki

Location (approximate): Antwerp, Paulding, OH

Strat unit: Silica formation

Submitter notes: This is an extremely rare occurrence of a Decadocrinus from the quarry at Pauling, Ohio. The crown is 2.8 cm.

Photo title: Decadocrinus crown

Taxa present: Decadocrinus hughwingi

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Submitted on 2015-11-10 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This specimen is only 1 cm.

Photo title: Crinoid with gastropod

Taxa present: Eutaxocrinus wideneri, Platyceras sp.

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Submitted on 2015-11-14 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This specimen comes in at 1.7 cm including the stem.

Photo title: Crinoid crown with stem

Taxa present: Eutaxocrinus wideneri

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