Submitted on 2009-08-25 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This specimen is 3.5 cm across.

Photo title: Gastropod

Taxa present: Platyceras bucculentum

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Submitted on 2009-08-25 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This specimen is 3 cm across.

Photo title: Gastropod

Taxa present: Spiniplatyceras arkonense

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Submitted on 2009-08-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: The slab is about 10 cm across. The Arthroacantha crinoid has regenerating arms.

Photo title: Starfish and Crinoid

Taxa present: Arthroacantha carpenteri, Devonaster triradiatus

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Submitted on 2009-08-28 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This crinoid crown with partial arms and stem is 7.5 cm tall.

Photo title: Crinoid

Taxa present: Gilbertsocrinus ohioensis

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Submitted on 2009-08-28 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This crinoid calyx with stem is 5 cm tall.

Photo title: Crinoid

Taxa present: Gilbertsocrinus ohioensis

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Submitted on 2009-08-28 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This slab has three specimens of the crinoid. The specimen at the top is 3.5 cm including the arms.

Photo title: Crinoids

Taxa present: Gilbertsocrinus ohioensis

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Submitted on 2009-08-28 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This specimen is 7.5 cm tall including the arms and stem.

Photo title: Crinoid

Taxa present: Gilbertsocrinus ohioensis

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Submitted on 2009-08-28 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This specimen is 10 cm tall including the arms and stem.

Photo title: Crinoid

Taxa present: Arthroacantha carpenteri

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Submitted on 2009-08-28 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This specimen is 12 cm tall including the arms and stem.

Photo title: Crinoid

Taxa present: Arthroacantha carpenteri

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Submitted on 2009-08-28 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This specimen is 7.5 cm across the arms.

Photo title: Crinoid

Taxa present: Arthroacantha carpenteri

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Submitted on 2009-08-28 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This crinoid is 9 cm tall.

Photo title: Crinoid

Taxa present: Poteriocrinus arkonensis

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Submitted on 2009-08-28 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This crinoid is 7.5 cm from tip of arm to the base of stem.

Photo title: Crinoid

Taxa present: Poteriocrinus arkonensis

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Submitted on 2009-08-28 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This crinoid is 4.5 cm tall including arms and stem.

Photo title: Crinoid

Taxa present: Corocrinus calypso

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: A very tiny crinoid crown. The entire specimen measures 1.4 cm tall including the stem.

Photo title: Crinoid

Taxa present: Gilbertsocrinus ohioensis

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: A very small crinoid crown. The crinoid measures 3cm from the tip of the arms to the bottom of the stem.

Photo title: Crinoid

Taxa present: Arthroacantha carpenteri

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: According to Dr. Fred Hotchkiss, this tiny brittle star is the first reported occurance of Eospondylus in the Silica Shale. This specimen measures 1.5 cm at its widest.

Photo title: Brittle Starfish

Taxa present: Eospondylus sp.

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This specimen measures 7 cm across the arms.

Photo title: Crinoid crown

Taxa present: Poteriocrinus arkonensis

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This specimen measures 3.8 cm from the tip of the anal tube to the calyx.

Photo title: Crinoid with anal tube

Taxa present: Poteriocrinus arkonensis

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: The Poteriocrinus measures 3.7 cm from the tip of the anal tube to the bottom of the stem.

Photo title: Plate of crinoids

Taxa present: Poteriocrinus arkonensis, Corocrinus calypso, Arthroacantha carpenteri

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: A gtoup of two blastoids with the one on the right measuring 1 cm.

Photo title: Blastoids

Taxa present: Hyperoblastus filosa

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