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Hederella sp., Paraspirifer bownockeri |
Silica formation |
Joseph Koniecki |
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Submitted on 2011-02-09 by Joseph Koniecki
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: This specimen is 5.8 cm across.
Photo title: Bryozoan on Brachiopod
Taxa present: Hederella sp., Paraspirifer bownockeri
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Phacops rana milleri, Strophodonta sp. |
Silica formation |
Joseph Koniecki |
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Submitted on 2011-02-09 by Joseph Koniecki
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: The trilobite is 4.3 cm tall
Photo title: Trilobite with Brachiopod
Taxa present: Phacops rana milleri, Strophodonta sp.
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Phacops rana milleri |
Silica formation |
Joseph Koniecki |
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Submitted on 2011-02-09 by Joseph Koniecki
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: The trilobite is 4.7 cm.
Photo title: Trilobite
Taxa present: Phacops rana milleri
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Phacops rana milleri |
Silica formation |
Joseph Koniecki |
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Submitted on 2011-02-09 by Joseph Koniecki
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: This trilobite is 5.2 cm tall.
Photo title: Trilobite
Taxa present: Phacops rana milleri
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Phacops rana milleri |
Silica formation |
Joseph Koniecki |
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Submitted on 2011-02-09 by Joseph Koniecki
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: This trilobite is 5.7 cm across.
Photo title: Trilobite
Taxa present: Phacops rana milleri
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Platyceras bucculentum |
Silica formation |
Joseph Koniecki |
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Submitted on 2011-02-09 by Joseph Koniecki
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: The gastropod is 3.4 cm across.
Photo title: Gastropod
Taxa present: Platyceras bucculentum
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Protitanichthys sp. |
Silica formation |
Joseph Koniecki |
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Submitted on 2011-02-09 by Joseph Koniecki
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: This specimen is 4.8 cm across.
Photo title: Fish Plate
Taxa present: Protitanichthys sp.
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Strophodonta sp., Petrocrania hamiltoniae, Philhedra crenistriata, Aulopora microbuccinata |
Silica formation |
Joseph Koniecki |
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Submitted on 2011-02-09 by Joseph Koniecki
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: The base of this specimen starts with an articulate brachiopod (probably Strphodonta). On the Strophonta is the inarticulate brachiopod Crania. On the Crania is another Crania and two specimens of the inarticulate brachiopod Philhedra. In addition the coral Aulopora is on the Strophodonta. Continued on View #2 side two. The entire specimen is 4 cm across.
Photo title: Inarticulate Brachiopods on an Articulate Brachiopod - View #1
Taxa present: Strophodonta sp., Petrocrania hamiltoniae, Philhedra crenistriata, Aulopora microbuccinata
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Hederella sp., Philhedra crenistriata, Strophodonta sp. |
Silica formation |
Joseph Koniecki |
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Submitted on 2011-02-09 by Joseph Koniecki
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: Continued from View #1. On this side we have the inarticulate brachiopod Philhedra sitting on the piece of Strophodonta. In addition, on this side we have the bryozoan Hederella. Quite the variety of life on a specimen that is only 4 cm across.
Photo title: Inarticulate Brachiopod on an Articulate Brachiopod - View #2
Taxa present: Hederella sp., Philhedra crenistriata, Strophodonta sp.
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Devonochonetes fragilis |
Silica formation |
Joseph Koniecki |
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Submitted on 2011-02-09 by Joseph Koniecki
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: This specimen is 7 cm across the entire piece.
Photo title: Brachiopods
Taxa present: Devonochonetes fragilis
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Devonochonetes sp. |
Silica formation |
Joseph Koniecki |
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Submitted on 2011-02-09 by Joseph Koniecki
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: The largest brachiopod is 2.5 cm across.
Photo title: Brachiopods
Taxa present: Devonochonetes sp.
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Phacops rana milleri |
Silica formation |
Joseph Koniecki |
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Submitted on 2011-02-09 by Joseph Koniecki
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: This specimen is 5.3 cm tall.
Photo title: Trilobite
Taxa present: Phacops rana milleri
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Sulcoretepora sp. |
Silica formation |
Joseph Koniecki |
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Submitted on 2011-04-18 by Joseph Koniecki
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: This specimen is 8 cm across.
Photo title: Bryozoan Colony
Taxa present: Sulcoretepora sp.
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Eldredgeops milleri |
Silica formation |
Shanan Peters |
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Submitted on 2011-04-24 by Shanan Peters
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: This specimen was collected by Ken Karns, back in the hey-day of Sylvania.
Photo title: Eldredgeops milleri double
Taxa present: Eldredgeops milleri
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Platyceras rarispinium, Pithocrinus cooperi |
Traverse formation |
David Thompson |
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Submitted on 2011-05-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Traverse formation
Submitter notes: Rare crinoid with gastropod attached. Complete calyx with crushed but clear gastropod and the base of several arms. The edge of the gastropod has attached around the small bumps on the crinoid tegmen
Photo title: Pithocrinus cooperi with Platyceras rarispinium
Taxa present: Platyceras rarispinium, Pithocrinus cooperi
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Pithocrinus cooperi, Platyceras rarispinium |
Alpena formation |
David Thompson |
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Submitted on 2011-05-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: This view is directly onto the tegmen showing the position of the gastropod and remaining arm bases.
Photo title: Pithocrinus cooperi & gastropod
Taxa present: Pithocrinus cooperi, Platyceras rarispinium
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Pithocrinus cooperi, Platyceras rarispinum |
Alpena formation |
David Thompson |
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Submitted on 2011-05-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: This third view shows the unusual plate structure of this crinoid calyx with the gastropod visible on top.
Photo title: Third view of unusual crinoid & gastropod
Taxa present: Pithocrinus cooperi, Platyceras rarispinum
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Aorocrinus cassedayi |
Alpena formation |
David Thompson |
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Submitted on 2011-05-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: This view shows the arms and calyx of this rather rare crinoid. There is a frond of Bryozoan draped over some of the arms which show the flattened tips of the arms
Photo title: Complete crown of unusual crinoid
Taxa present: Aorocrinus cassedayi
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Aorocrinus cassedayi |
Alpena formation |
David Thompson |
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Submitted on 2011-05-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: This view shows the 3-D effect of the multiple arms folding over the top of the crown.
Photo title: View of arms folded over tegmen
Taxa present: Aorocrinus cassedayi
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Aorocrinus cassedayi |
Alpena formation |
David Thompson |
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Submitted on 2011-05-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: This view shows the stem attachment and detail of the calyx ornamentation. The crinoid crown is 2.6 cm high by 2.9 cm at the widest point. The calyx is 1.2 cm thick in this view
Photo title: Third view of crinoid crown
Taxa present: Aorocrinus cassedayi
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