Currently showing records 41 - 60 of 1740 total

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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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Bactrite warthini 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 and prepared by Patricia Rutkowski.

Photo title:

Taxa present: Bactrite warthini

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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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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 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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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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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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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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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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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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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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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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Blothrophyllum coespitosum Fiborn formation Joseph Koniecki

Submitted on 2015-09-13 by Joseph Koniecki

Location (approximate): Baie de Wasai, Chippewa, MI

Strat unit: Fiborn formation

Submitter notes: This specimen is 24 cm across.

Photo title: Coral

Taxa present: Blothrophyllum coespitosum

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Halysites catenularia micropors Fiborn formation Joseph Koniecki

Submitted on 2015-09-13 by Joseph Koniecki

Location (approximate): Baie de Wasai, Chippewa, MI

Strat unit: Fiborn formation

Submitter notes: This specimen is 13 cm across.

Photo title: Coral

Taxa present: Halysites catenularia micropors

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Herbertocaris wideneri Silica formation David Thompson

Submitted on 2015-04-03 by David Thompson

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: Here is a very complete example of a Phillocarid mandible or Gastric tooth. These are attributed to the two largest species of Phillocarid, either Dithyrocaris or Herbertocaris. It isn't clear which. This very complete jaw or attachment structure is rarely preserved. The "teeth" are 3.5 cm or 1 inch long the matrix is 9.5 cm by 6 cm. collected by me on 6/28/14.

Photo title: Phillocarid "Mandible" & jaw,

Taxa present: Herbertocaris wideneri

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Herbertocaris wideneri Silica formation David Thompson

Submitted on 2015-04-03 by David Thompson

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: This image shows the entire piece with matrix. The matrix is 9.5 cm wide by 6 cm tall. This was cleaned by Scott Vergiels of the "Friends."

Photo title: Phillocarid "Mandible"

Taxa present: Herbertocaris wideneri

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