Currently showing records 21 - 40 of 1740 total

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Dundee formation David Thompson

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

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

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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Arthroacantha carpenteri Arkona formation Michael Lask

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: The stem alone is 137 mm long. Collected and prepared by Patricia Rutkowski. This incredible specimen is on a chunk of Arkona Shale that is over 15 inches long. Pat spent countless hours preparing this classic crinoid.

Photo title: Crinoid

Taxa present: Arthroacantha carpenteri

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Eldredgeops milleri Silica formation Michael Lask

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: 43 mm long. Collected and prepared by Patricia Rutkowski.

Photo title: Trilobite

Taxa present: Eldredgeops milleri

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Strataster devonicus Silica formation Michael Lask

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: 24 mm across. Collected and prepared by Patricia Rutkowski.

Photo title:

Taxa present: Strataster devonicus

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Hippocardia cunea Ohio formation Michael Lask

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Ohio formation

Submitter notes: Dundee Limestone, Sylvania, Ohio (Devonian) - 40 mm. Rostroconchs are an extinct class of molluscs.

Photo title:

Taxa present: Hippocardia cunea

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Tornoceras uniangulare Squaw Bay formation Michael Lask

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Alpena, Alpena, MI

Strat unit: Squaw Bay formation

Submitter notes: 43 mm across. Collected by Patricia Rutkowski. Prepared by Scott Vergiels.

Photo title:

Taxa present: Tornoceras uniangulare

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Koenenites cooperi Squaw Bay formation Michael Lask

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Alpena, Alpena, MI

Strat unit: Squaw Bay formation

Submitter notes: 29 mm across. Collected by Patricia Rutkowski. Prepared by Scott Vergiels.

Photo title:

Taxa present: Koenenites cooperi

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Koenenites cooperi Squaw Bay formation Michael Lask

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Alpena, Alpena, MI

Strat unit: Squaw Bay formation

Submitter notes: The larger one is 34 mm across. Collected by Patricia Rutkowski. Prepared by Scott Vergiels.

Photo title:

Taxa present: Koenenites cooperi

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Koenenites cooperi Squaw Bay formation Michael Lask

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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Michelinoceras sp. Squaw Bay formation Michael Lask

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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Paneka sp. Squaw Bay formation Michael Lask

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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Platyceras rarispinum Silica formation Michael Lask

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

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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Corocrinus nodosus Silica formation Michael Lask

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: 18 mm. Collected and prepared by Patricia Rutkowski.

Photo title: Crinoid

Taxa present: Corocrinus nodosus

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Euryocrinus laddii Silica formation Michael Lask

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: 17 mm. Collected and prepared by Patricia Rutkowski.

Photo title: Crinoid

Taxa present: Euryocrinus laddii

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Arthroacantha carpenteri Silica formation Michael Lask

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: The plate is 187 mm across. Collected and prepared by Patricia Rutkowski.

Photo title: Crinoid

Taxa present: Arthroacantha carpenteri

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Eldredgeops milleri Silica formation Michael Lask

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: 30 mm across the cephalon. This was collected and prepared by Dan Edmondson during the Summer of 2012.

Photo title: Trilobite

Taxa present: Eldredgeops milleri

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Eldredgeops crassituberculata Silica formation Michael Lask

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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