Currently showing records 21 - 40 of 1727 total

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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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Eldredgeops crassituberculata Silica formation Michael Lask

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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Tentaculites bellulus Arkona formation Michael Lask

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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Dunkleosteus sp. Paxton formation Michael Lask

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Alpena, Alpena, MI

Strat unit: Paxton formation

Submitter notes: Dunkleosteus sp., Antrim Shale, Traverse Group, Paxton Quarry, Alpena, Michigan (Devonian) - 326 mm long (over a foot!) This is a section of the left, lower inferognathal element (part of the lower jaw). Collected and prepared by Patricia Rutkowski. She recovered part of it in 1994 and another part in 1998.

Photo title:

Taxa present: Dunkleosteus sp.

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Lingula sp. Antrim formation Michael Lask

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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Hippocardia cunea Detroit River formation Joseph Koniecki

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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Melocrinites sp. Silica formation Joseph Koniecki

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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Eutaxocrinus wideneri Silica formation Joseph Koniecki

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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Charientocrinus bellitubatus Bell formation Joseph Koniecki

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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Eutaxocrinus wideneri, Platyceras sp. Silica formation Joseph Koniecki

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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Eutaxocrinus wideneri Silica formation Joseph Koniecki

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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Pleurodictyum cornu Silica formation Joseph Koniecki

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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Decadocrinus hughwingi Silica formation Joseph Koniecki

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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Platyceras indianaensis Genshaw formation Joseph Koniecki

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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Pleurodictyum cornu Silica formation Joseph Koniecki

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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Platyceras indianaensis Thunder Bay formation Joseph Koniecki

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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