Submitted on 2021-02-19 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Dundee formation

Submitter notes: This complete speciman measuring 1-5/8" includes the positive and negative. This is another view of a prior record.

Photo title: Trilobite - Dechenella

Taxa present: Dechenella (Basidechenella) planimarginata

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Submitted on 2021-02-19 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: None

Photo title: Gastropod

Taxa present: Spinyplatyceras arkonense

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Submitted on 2021-02-17 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: The speciman has pyrite flakes on the surface

Photo title: Gastropod with Pyrite

Taxa present: Platyceras

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Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This speciman is encrusted with Botryllopora socialis

Photo title: Brachiopod with Bryozoan

Taxa present: Strophodonta , Botryllopora socialis

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Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Mature pyritized brachiopod encrusted with bryozoan

Photo title: Brachiopod with Bryozoan

Taxa present: Paraspirifer bownockeri, Fistulipora

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Submitted on 2021-02-19 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This gastropod is encrusted with two different bryozoan

Photo title: Gastropod with Bryozoan

Taxa present: Platyceras bucculentum, Fistulipora , Hederella filiformus

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Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This gastropod is encrusted with bryozoan

Photo title: Gastropod with Bryozoan

Taxa present: Atactotoechus typicus, Platyceras bucculentum

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Submitted on 2024-09-07 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This solitary coral is encrusted with bryozoan

Photo title: Solitary Coral

Taxa present: Fistulipora , Heliophyllum halli

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Submitted on 2021-02-19 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This brachiopod is fully encrusted with bryozoan

Photo title: Brachiopod with Bryozoan

Taxa present: Paraspirifer bownockeri, Fistulipora , Hederella filiformus

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Submitted on 2021-09-22 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Brachiopod encrusted with bryozoan

Photo title: Brachiopod with Bryozoan

Taxa present: Fistulipora , Mediospirifer audaculus

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Submitted on 2024-03-20 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Speciman measure about 6.0 cm

Photo title: Trilobite - Eldredgeops milleri

Taxa present: Eldredgeops milleri

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Submitted on 2021-09-22 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Brachiopod with worm tubes

Photo title: Brachiopod with Worm Tubes

Taxa present: Cornulites , Paraspirifer bownockeri

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Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Pryritzed brachiopod with bryozoan

Photo title: Pyritized Brachiopod with Bryozoan

Taxa present: Fistulipora , Paraspirifer bownockeri

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Submitted on 2021-02-19 by Mary Ann Szwabowski

Location (approximate): Charlevoix, Charlevoix, MI

Strat unit: Traverse formation

Submitter notes: This speciman measuring 4" is from the Gravel Point Formation of the Traverse Group

Photo title: Nautiloid Cephalopod - Curved

Taxa present: Cephalopoda

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Submitted on 2021-02-15 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Dundee formation

Submitter notes: None

Photo title: Rostroconch

Taxa present: Conocardium cuneus

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Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Dundee formation

Submitter notes: None

Photo title: Gastropod

Taxa present: Platyceras rarispinum

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Submitted on 2021-02-19 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Dundee formation

Submitter notes: None

Photo title: Rostroconch

Taxa present: Conocardium cuneus

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Submitted on 2021-02-19 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Dundee formation

Submitter notes: None

Photo title: Gastropod

Taxa present: Platyloron

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Submitted on 2021-02-16 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Mature pyritized brachiopod encrusted with bryozoan and

Photo title: Pyritized Brachiopod with Bryozoan

Taxa present: Fistulipora , Paraspirifer bownockeri

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Submitted on 2021-09-22 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This is a mature pyritized brachipod

Photo title: Pyritized Brachiopod with Inarticulate Bracjipods

Taxa present: Mucrospirifer , Devonochonetes , Chonetes , Paraspirifer bownockeri, Cornulites

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