Currently showing records 81 - 97 of 97 total

More Info Image Taxa Strat Unit Contributor
Brachiopoda Dundee formation Mary Ann Szwabowski

Submitted on 2021-02-20 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Dundee formation

Submitter notes: None

Photo title: Brachiopod

Taxa present: Brachiopoda

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Paraspirifer bownockeri Silica formation Mary Ann Szwabowski

Submitted on 2021-09-22 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: None

Photo title: Brachiopod

Taxa present: Paraspirifer bownockeri

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arthroacantha carpenteri Silica formation Mary Ann Szwabowski

Submitted on 2021-02-20 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: None

Photo title: Crinoid Calyx

Taxa present: arthroacantha carpenteri

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Eldredgeops rana rana Hungry Hollow formation Mary Ann Szwabowski

Submitted on 2021-02-21 by Mary Ann Szwabowski

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: None

Photo title: Trilobite

Taxa present: Eldredgeops rana rana

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Koenenites cooperi Squaw Bay formation Mary Ann Szwabowski

Submitted on 2021-02-21 by Mary Ann Szwabowski

Location (approximate): Alpena, Alpena, MI

Strat unit: Squaw Bay formation

Submitter notes: None

Photo title: Ammonite

Taxa present: Koenenites cooperi

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Platyceras conicum Hungry Hollow formation Mary Ann Szwabowski

Submitted on 2021-02-21 by Mary Ann Szwabowski

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: None

Photo title: Gastropod

Taxa present: Platyceras conicum

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Sieberella romingeri, Gypidula romingeri, Fistulipora Genshaw formation Mary Ann Szwabowski

Submitted on 2021-02-21 by Mary Ann Szwabowski

Location (approximate): Alpena, Alpena, MI

Strat unit: Genshaw formation

Submitter notes: None

Photo title:

Taxa present: Sieberella romingeri, Gypidula romingeri, Fistulipora

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Tornoceras uniangulare Silica formation Mary Ann Szwabowski

Submitted on 2021-03-03 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Speciman measures 1-1/2"

Photo title: Pyritized Goniatite

Taxa present: Tornoceras uniangulare

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Pseudoatrypa devoniana, Spinyplatyceras Silica formation Mary Ann Szwabowski

Submitted on 2021-03-03 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: None

Photo title: Pyritized Gastropod and Brachiopod

Taxa present: Pseudoatrypa devoniana, Spinyplatyceras

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Mooreoceras Marshall formation Mary Ann Szwabowski

Submitted on 2021-03-29 by Mary Ann Szwabowski

Location (approximate): Napoleon, Jackson, MI

Strat unit: Marshall formation

Submitter notes: This speciman is from the lower Marshall Formation.

Photo title: Nautiloid Cephalopod

Taxa present: Mooreoceras

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Cranaena Silica formation Mary Ann Szwabowski

Submitted on 2021-04-13 by Mary Ann Szwabowski

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: None

Photo title: Brachiopod

Taxa present: Cranaena

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Bellerophon Marshall formation Mary Ann Szwabowski

Submitted on 2021-04-13 by Mary Ann Szwabowski

Location (approximate): Clarklake, Jackson, MI

Strat unit: Marshall formation

Submitter notes: This specimen has been preserved with the shell.

Photo title: Gastropod

Taxa present: Bellerophon

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Paraspirifer bownockeri Silica formation Mary Ann Szwabowski

Submitted on 2021-05-08 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Pyritized Brachiopod

Photo title: Brachiopod

Taxa present: Paraspirifer bownockeri

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Paraspirifer bownockeri Silica formation Mary Ann Szwabowski

Submitted on 2022-08-24 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: The muscles of this brachiopod are normally relaxed (closed) at death, but in this speciman the muscles were open.

Photo title: Paraspirifer with open muscle

Taxa present: Paraspirifer bownockeri

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Nephriticeras Silica formation Mary Ann Szwabowski

Submitted on 2023-12-03 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Specimen measures about 6-1/2" x 3-1/2". The shell that remains has been preserved with spirorbis (worms) on the outside of the shell and Repteria stolonifera (bryozoan) on the underside.

Photo title: Nephriticeras Cephalopod

Taxa present: Nephriticeras

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Eldredgeops crassituberculata Silica formation Mary Ann Szwabowski

Submitted on 2024-01-10 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This trilobite has two pyritized muscle scars from the soft bodied stomach underneath.

Photo title: Trilobite

Taxa present: Eldredgeops crassituberculata

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Paraspirifer bownockeri Silica formation Mary Ann Szwabowski

Submitted on 2024-03-20 by Mary Ann Szwabowski

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This brachiopod is encrusted with a peacock colored pyrite and measures 5.0 cm.

Photo title: Pyritized Brachiopod

Taxa present: Paraspirifer bownockeri

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