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Gilbertsocrinus ohioensis |
Silica formation |
Joseph Koniecki |
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Submitted on 2018-06-09 by Joseph Koniecki
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: A plate with four crinoid clayxes. It is 16 cm across the slab.
Photo title: Crinoids
Taxa present: Gilbertsocrinus ohioensis
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Heterophrentis simplex |
Silica formation |
Joseph Koniecki |
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Submitted on 2018-06-09 by Joseph Koniecki
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: It is 24 cm across the slab.
Photo title: Corals
Taxa present: Heterophrentis simplex
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Heterophrentis simplex, Sulcoretepora sp., Strophodonta sp., Aulopora microbuccinata |
Silica formation |
Joseph Koniecki |
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Submitted on 2018-06-09 by Joseph Koniecki
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: The slab is 30 cm across.
Photo title: Corals, bryzoans, and brachs, OH My
Taxa present: Heterophrentis simplex, Sulcoretepora sp., Strophodonta sp., Aulopora microbuccinata
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Deltacrinus sp. |
Silica formation |
Joseph Koniecki |
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Submitted on 2018-06-09 by Joseph Koniecki
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: A very rare crinoid. The calyx is 1 cm across.
Photo title: Crinoid
Taxa present: Deltacrinus sp.
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Atractocrinus concinnus |
Arkona formation |
Joseph Koniecki |
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Submitted on 2018-03-13 by Joseph Koniecki
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: This crinoid is 1.1 cm tall.
Photo title: Crinoid calyx
Taxa present: Atractocrinus concinnus
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Spinocyrtia clintoni |
Norway Point formation |
Joseph Koniecki |
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Submitted on 2018-03-13 by Joseph Koniecki
Location (approximate): Alpena, Alpena, MI
Strat unit: Norway Point formation
Submitter notes: The brachiopod is 2.7 cm across.
Photo title: Brachiopod
Taxa present: Spinocyrtia clintoni
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Mytilarca cordata |
Silica formation |
Joseph Koniecki |
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Submitted on 2018-03-06 by Joseph Koniecki
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: This specimen is 5.7 cm across.
Photo title: Pelecypod
Taxa present: Mytilarca cordata
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Dundee formation |
David Thompson |
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Submitted on 2016-06-08 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Dundee formation
Submitter notes: Collected at Paulding and prepped by Scott Vergiels.
Photo title: Dundee Limestone Rostroconch
Taxa present:
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Aulacophyllum hemicrassatum |
Thunder Bay formation |
Joseph Koniecki |
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Submitted on 2016-02-08 by Joseph Koniecki
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: These corals are not attached at the bottom. It appears that they may have grown up along side of each other and been buried together. The corals are about 10-12 cm in height.
Photo title: Group of Corals
Taxa present: Aulacophyllum hemicrassatum
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Decorocrinus arkonensis |
Arkona formation |
Mike Palescuk |
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Submitted on 2015-12-24 by Mike Palescuk
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: Decorocrinus arkonensis (McIntosh 2001), formerly Botryocrinus. Found in 1976. 65 pieces painstakingly re-assembled into this 2-7/8" long
Photo title: Crinoid
Taxa present: Decorocrinus arkonensis
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Michelinoceras sp. |
Squaw Bay formation |
Michael Lask |
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Submitted on 2015-12-20 by Michael Lask
Location (approximate): Alpena, Alpena, MI
Strat unit: Squaw Bay formation
Submitter notes: 44 mm.
Collected by Patricia Rutkowski.
Photo title:
Taxa present: Michelinoceras sp.
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Tentaculites bellulus |
Arkona formation |
Michael Lask |
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Submitted on 2015-12-20 by Michael Lask
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: 70 mm across
Photo title:
Taxa present: Tentaculites bellulus
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Platyceras rarispinum |
Silica formation |
Michael Lask |
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Submitted on 2015-12-20 by Michael Lask
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: 41 mm across.
This snail would have been covered in long spines in life. Only the base of the spines are preserved in this specimen. Occasionally the spines are preserved and revealed with very careful preparation.
Photo title:
Taxa present: Platyceras rarispinum
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Eutaxocrinus wideneri |
Silica formation |
Michael Lask |
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Submitted on 2015-12-20 by Michael Lask
Location (approximate): Berkey, Lucas, OH
Strat unit: Silica formation
Submitter notes: 26 mm.
Collected by Patricia Rutkowski and prepared by Patricia Rutkowski & Joe Koniecki.
Photo title: Crinoid
Taxa present: Eutaxocrinus wideneri
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Lingula sp. |
Antrim formation |
Michael Lask |
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Submitted on 2015-12-20 by Michael Lask
Location (approximate): Alpena, Alpena, MI
Strat unit: Antrim formation
Submitter notes: 10 mm long
Photo title:
Taxa present: Lingula sp.
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Paneka sp. |
Squaw Bay formation |
Michael Lask |
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Submitted on 2015-12-20 by Michael Lask
Location (approximate): Alpena, Alpena, MI
Strat unit: Squaw Bay formation
Submitter notes: 56 mm.
This bivalve (clam!) was collected by Patricia Rutkowski.
Photo title:
Taxa present: Paneka sp.
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Bactrite warthini |
Squaw Bay formation |
Michael Lask |
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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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Eldredgeops crassituberculata |
Silica formation |
Michael Lask |
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Submitted on 2015-12-20 by Michael Lask
Location (approximate): Antwerp, Paulding, OH
Strat unit: Silica formation
Submitter notes: 46 mm
Photo title: Trilobite
Taxa present: Eldredgeops crassituberculata
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Koenenites cooperi |
Squaw Bay formation |
Michael Lask |
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Submitted on 2015-12-20 by Michael Lask
Location (approximate): Alpena, Alpena, MI
Strat unit: Squaw Bay formation
Submitter notes: Koenenites cooperi (the largest is 63 mm across) and Bactrite warthini (54 mm long), Squaw Bay, Alpena, Michigan (Devonian).
Collected and prepared by Patricia Rutkowski.
Photo title:
Taxa present: Koenenites cooperi
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Eldredgeops crassituberculata |
Silica formation |
Michael Lask |
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Submitted on 2015-12-20 by Michael Lask
Location (approximate): Berkey, Lucas, OH
Strat unit: Silica formation
Submitter notes: The largest one is 29 mm across the genal spines.
Collected and lightly prepared by Patricia Rutkowski.
Photo title: Trilobite
Taxa present: Eldredgeops crassituberculata
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