Submitted on 2015-12-20 by Michael Lask

Location (approximate): Alpena, Alpena, MI

Strat unit: Squaw Bay formation

Submitter notes: 44 mm. Collected and prepared by Patricia Rutkowski.

Photo title:

Taxa present: Bactrite warthini

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Submitted on 2015-11-14 by Joseph Koniecki

Location (approximate): Carleton, Monroe, MI

Strat unit: Detroit River formation

Submitter notes: This specimen is 2.7 cm. It came from an old collection. The collectors found it at the Thompson-McCully quarry. Obviously, once upon a time it was possible to collect there. The name is as given by the collector. I would not know the difference between any of the genera.

Photo title: Rostroconch

Taxa present: Hippocardia cunea

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Submitted on 2015-11-14 by Joseph Koniecki

Location (approximate): Rockport, Alpena, MI

Strat unit: Bell formation

Submitter notes: This crinoids comes in at the very tiny number of 1 cm which includes the stem.

Photo title: Crinoid crown with stem

Taxa present: Charientocrinus bellitubatus

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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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Submitted on 2015-11-14 by Joseph Koniecki

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: This calyx measure at 1.6 cm including the small portion of arms present. This is a very rare crinoid from the Silica Formation and even more so because it is from the Paulding locality.

Photo title: Crinoid calyx with a bit of arms

Taxa present: Melocrinites sp.

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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 2015-11-10 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This specimen is only 1.5 cm.

Photo title: Crinoid

Taxa present: Eutaxocrinus wideneri

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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 2015-11-07 by Joseph Koniecki

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: Specimen is about 1 cm across.

Photo title: Coral

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 2015-11-05 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 2015-11-05 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 2015-09-13 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 2015-04-03 by David Thompson

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: This image shows the entire piece with matrix. The matrix is 9.5 cm wide by 6 cm tall. This was cleaned by Scott Vergiels of the "Friends."

Photo title: Phillocarid "Mandible"

Taxa present: Herbertocaris wideneri

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Submitted on 2015-04-03 by David Thompson

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: Here is a very complete example of a Phillocarid mandible or Gastric tooth. These are attributed to the two largest species of Phillocarid, either Dithyrocaris or Herbertocaris. It isn't clear which. This very complete jaw or attachment structure is rarely preserved. The "teeth" are 3.5 cm or 1 inch long the matrix is 9.5 cm by 6 cm. collected by me on 6/28/14.

Photo title: Phillocarid "Mandible" & jaw,

Taxa present: Herbertocaris wideneri

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Submitted on 2015-01-14 by Alexander Brown

Location (approximate): Arkona, Lambton, ON

Strat unit: Widder formation

Submitter notes: A side-by-side photo of two typical specimens showing both the brachial and pedicle views. The brachiopod on the left measures 31mm wide and the other is 35mm wide.

Photo title: BRACHIOPOD

Taxa present: Mucrospirifer thedfordensis

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Submitted on 2014-12-06 by Mike Palescuk

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: Found by Bob Boyd, May 2014

Photo title: Blastoid

Taxa present: Hyperoblastus bassleri

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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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