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Arthroacantha carpenteri, Undescribed sp. |
Silica formation |
Pat Rutkowski |
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Submitted on 2009-11-19 by Pat Rutkowski
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: An amazing slab of 7 complete and partial crowns. 4 mature undescribed ophiuroids and 40+ immature brittlestars also litter the surface of this wonderful death plate.The overall size of this slab is 13.5 X 15.5 inches and 2.25 inches thick. Collected many years ago.
Photo title: CRINOIDS AND BRITTLESTARS
Taxa present: Arthroacantha carpenteri, Undescribed sp.
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Phacops iowensis southworthi |
Hungry Hollow formation |
Mike Palescuk |
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Submitted on 2009-11-19 by Mike Palescuk
Location (approximate): Arkona, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: These trilobites are rare in the Hungry Hollow mb. Note the putulose carapace characteristics of this species. They measure about 37mm wide.
Photo title: TRILOBITES
Taxa present: Phacops iowensis southworthi
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Undescribed sp. |
Silica formation |
Pat Rutkowski |
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Submitted on 2009-11-19 by Pat Rutkowski
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: A close-up view taken under a stereo zoom microscope of one of the individual immature specimens from the crinoid/brittlestar death plate. The average size of these babies ranges from 4.8mm to 6.4mm in diameter.
Photo title: UNDESCRIBED IMMATURE OPHIUROID
Taxa present: Undescribed sp.
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Gennaeocrinus goldringae |
Bell formation |
David Clark |
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Submitted on 2009-11-19 by David Clark
Location (approximate): Alpena, Alpena, MI
Strat unit: Bell formation
Submitter notes: A side view of a very ornate species measuring 7mm wide and 5.5mm tall.
Photo title: CRINOID CALYX
Taxa present: Gennaeocrinus goldringae
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Gennaeocrinus goldringae |
Bell formation |
David Clark |
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Submitted on 2009-11-19 by David Clark
Location (approximate): Alpena, Alpena, MI
Strat unit: Bell formation
Submitter notes: Opposite side view of a very ornate species measuring 7mm wide and 5.5mm tall.
Photo title: CRINOID CALYX
Taxa present: Gennaeocrinus goldringae
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Gennaeocrinus goldringae |
Bell formation |
David Clark |
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Submitted on 2009-11-19 by David Clark
Location (approximate): Alpena, Alpena, MI
Strat unit: Bell formation
Submitter notes: A tegmen view of a very ornate species measuring 7mm wide and 5.5mm tall.
Photo title: CRINOID CALYX
Taxa present: Gennaeocrinus goldringae
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Orthonychia sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2009-11-19 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A very nice snail measuring 28mm tall.
Photo title: GASTROPOD
Taxa present: Orthonychia sp.
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Unknown sp. |
Silica formation |
Stan Hyne |
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Submitted on 2009-11-19 by Stan Hyne
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: A fairly complete specimen measuring 41.5mm.
Photo title: Pelecypod
Taxa present: Unknown sp.
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Pseudodechenella lucasensis, Eldredgeops milleri |
Silica formation |
Stan Hyne |
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Submitted on 2009-11-19 by Stan Hyne
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: Two different genus trilobites resting on the same slab. A great find. The larger Eldredgeops (Phacops) measures 30.4mm. The smaller trilobite measures 23mm.
Photo title: TRILOBITES
Taxa present: Pseudodechenella lucasensis, Eldredgeops milleri
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Gennaeocrinus sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2009-11-19 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: The basal view of a calyx measuring 15mm in diameter.
Photo title: CRINOID CALYX
Taxa present: Gennaeocrinus sp.
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Gennaeocrinus sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2009-11-19 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: The opposite side view of the calyx measuring 15mm in diameter and 13mm high. The tegmen plates are missing.
Photo title: CRINOID CALYX
Taxa present: Gennaeocrinus sp.
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Gennaeocrinus sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2009-11-19 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A side view of a nice calyx measuring 15mm in diameter and 13mm high. The tegmen plates are missing.
Photo title: CRINOID CALYX
Taxa present: Gennaeocrinus sp.
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Tornoceras (T.) arkonensis |
Arkona formation |
David Clark |
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Submitted on 2009-11-19 by David Clark
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: A common pyritized ammonite from the Arkona Formation. It measures 7.5mm in diameter.
Photo title: Ammonite
Taxa present: Tornoceras (T.) arkonensis
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Gilbertsocrinus spinigerus |
Hungry Hollow formation |
David Clark |
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Submitted on 2009-11-19 by David Clark
Location (approximate): Arkona, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: Surface collected in the Hungry Hollow mb. This crushed specimen may have an unusual 4th row of spines on the calyx. It mesures 15mm wide.
Photo title: CRINOID CALYX
Taxa present: Gilbertsocrinus spinigerus
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Melocrinites sp. |
Bell formation |
David Clark |
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Submitted on 2009-11-19 by David Clark
Location (approximate): Alpena, Alpena, MI
Strat unit: Bell formation
Submitter notes: A rare crinoid measuring 10mm long.
Photo title: CRINOID STEM AND PARTIAL CALYX
Taxa present: Melocrinites sp.
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Favosites sp. |
Hungry Hollow formation |
David Clark |
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Submitted on 2009-11-19 by David Clark
Location (approximate): Arkona, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: A vnunderside view of the very small coral colony measuring 9mm X 4mm.
Photo title: COLONY CORAL
Taxa present: Favosites sp.
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Synbathocrinus matutinus |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2009-11-19 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A very nice calyx measuring 9.2mm tall.
Photo title: CRINOID CALYX
Taxa present: Synbathocrinus matutinus
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Favosites sp. |
Hungry Hollow formation |
David Clark |
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Submitted on 2009-11-19 by David Clark
Location (approximate): Arkona, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: A very small coral colony measuring 9mm X 4mm.
Photo title: COLONY CORAL
Taxa present: Favosites sp.
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Corocrinus calypso, Platyceras sp. |
Arkona formation |
ummp invertebrate paleontology |
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Submitted on 2009-11-09 by ummp invertebrate paleontology
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: The specimens are 1 cm tall.
Photo title: Crinoids
Taxa present: Corocrinus calypso, Platyceras sp.
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Corocrinus nodosus |
Silica formation |
ummp invertebrate paleontology |
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Submitted on 2009-11-09 by ummp invertebrate paleontology
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: The largest specimen is 2.3 cm tall.
Photo title: Crinoids
Taxa present: Corocrinus nodosus
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