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Eleutherocrinus cassedayi |
Hungry Hollow formation |
John Topor |
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Submitted on 2010-11-04 by John Topor
Location (approximate): Arkona, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: A rare and sought after stemless blastoid that evolved to lay on the substrate. There is only one species worldwide for the genus Eleutherocrinus. This is a basal view, in the living position, of this blastoid's theca. The specimen on the left measures 14mm X 9mm. The middle specimen measures 17mm X 12mm, and the largest specimen on the right measures 19mm X 14.5mm.
Photo title: BLASTOID
Taxa present: Eleutherocrinus cassedayi
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Eleutherocrinus cassedayi |
Hungry Hollow formation |
John Topor |
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Submitted on 2010-11-04 by John Topor
Location (approximate): Arkona, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: A rare and sought after stemless blastoid that evolved to lay on the substrate. There is only one species worldwide for the genus Eleutherocrinus. This is an oral view, in the living position, showing the one shortened ambulacra of this blastoid's theca. The specimen on the left measures 14mm X 9mm. The middle specimen measures 17mm X 12mm, and the largest specimen on the right measures 19mm X 14.5mm.
Photo title: BLASTOID
Taxa present: Eleutherocrinus cassedayi
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Mediospirifer audaculus |
Silica formation |
Joseph Koniecki |
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Submitted on 2010-10-27 by Joseph Koniecki
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: This specimen is about 5 cm across.
Photo title: Brachiopod
Taxa present: Mediospirifer audaculus
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Hyperoblastus filosa |
Hungry Hollow formation |
Joseph Koniecki |
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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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Poteriocrinus arkonensis, Corocrinus calypso, Arthroacantha carpenteri |
Arkona formation |
Joseph Koniecki |
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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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Poteriocrinus arkonensis |
Arkona formation |
Joseph Koniecki |
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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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Poteriocrinus arkonensis |
Arkona formation |
Joseph Koniecki |
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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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Eospondylus sp. |
Silica formation |
Joseph Koniecki |
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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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Arthroacantha carpenteri |
Silica formation |
Joseph Koniecki |
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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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Gilbertsocrinus ohioensis |
Silica formation |
Joseph Koniecki |
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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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Hyperoblastus decipiens |
Arkona formation |
Joseph Koniecki |
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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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Hyperoblastus decipiens |
Arkona formation |
Joseph Koniecki |
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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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Aulocystis ramosa |
Arkona formation |
Joseph Koniecki |
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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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Aulocystis ramosa |
Arkona formation |
Joseph Koniecki |
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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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Decorocrinus arkonensis |
Arkona formation |
Joseph Koniecki |
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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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Decorocrinus arkonensis |
Arkona formation |
Joseph Koniecki |
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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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Cystiphylloides americanum |
Hungry Hollow formation |
Joseph Koniecki |
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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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Cystiphylloides americanum |
Hungry Hollow formation |
Joseph Koniecki |
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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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Philhedra crenistriata |
Hungry Hollow formation |
Joseph Koniecki |
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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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Corocrinus calypso |
Arkona formation |
Joseph Koniecki |
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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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