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: 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): 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): 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: 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): 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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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: A rare Arkona formation blastoid that measures 1.5 cm.

Photo title: Blastoid

Taxa present: Hyperoblastus decipiens

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: An immature specimen of this blastoid. The entire specimens measures 1.6 cm including brachioles and stem.

Photo title: Blastoid with brachioles

Taxa present: Hyperoblastus decipiens

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: The left specimen is 3.7 cm including the anal tube and stem.

Photo title: Plate of crinoids

Taxa present: Decorocrinus 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 left specimen is 4 cm from the tip of the anal tube to the bottom of the stem.

Photo title: Plate of Crinoids

Taxa present: Decorocrinus 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 is 4.5 cm across.

Photo title: Coral

Taxa present: Aulocystis ramosa

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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 is 6.5 cm tall.

Photo title: Coral

Taxa present: Aulocystis ramosa

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This specimen is about 13 cm across.

Photo title: Coral - View #2

Taxa present: Cystiphylloides americanum

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This specimen is about 13 cm across.

Photo title: Coral - View #1

Taxa present: Cystiphylloides americanum

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This brachiopod, measuring 1.3 cm across, sits on a piece of coral.

Photo title: Inarticulate Brachiopod.

Taxa present: Philhedra crenistriata

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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 3.4 cm from the arm to the base of the stem.

Photo title: Crinoid

Taxa present: Corocrinus calypso

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: A tiny specimen in the starburst position. This specimen is 4 cm across.

Photo title: Crinoid crown

Taxa present: Corocrinus calypso

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This tiny specimen is 2 cm across.

Photo title: Crinoid crown

Taxa present: Corocrinus calypso

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Submitted on 2010-10-26 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: A very tiny specimen that measures 1.1 cm top to bottom.

Photo title: Crinoid

Taxa present: Corocrinus calypso

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Submitted on 2010-05-04 by David Thompson

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: This small cluster of coralites is about 2 1/4 inches (5 cm) long and the individual tiny corals are about 2.9 mm wide.

Photo title: Aulocystis auloporoidea, coral cluster

Taxa present: Aulocystis auloporoidea

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