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Asthenophyllum patula |
Cordell formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Gould City, Mackinac, MI
Strat unit: Cordell formation
Submitter notes: Calyx view of coral measuring 25mm in diameter.
Photo title: Coral
Taxa present: Asthenophyllum patula
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Tortophyllum cysticum |
Potter Farm formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Alpena, Alpena, MI
Strat unit: Potter Farm formation
Submitter notes: Calyx view of a beautiful clay-layer coral. The specimen is 62mm high. Unfortunately, the city tinks this site looks better buried under a paved bicycle path!
Photo title: Rugose Coral
Taxa present: Tortophyllum cysticum
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Trachypora silicaensis |
Silica formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: This type of coral is most often found as broken fragments on surface exposures. It measures 150mm in length.
Photo title: Coral
Taxa present: Trachypora silicaensis
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Proctothylacocrinus sp. |
Thunder Bay formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: An undescribed cladid crinoid measuring 46mm in length with stem.
Photo title: Crinoid Crown
Taxa present: Proctothylacocrinus sp.
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Eutaxocrinus whiteavesi |
Widder formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Thedford, Lambton, ON
Strat unit: Widder formation
Submitter notes: A nice small specimen collected by accident on the back of a brachiopod slab. The specimen is 16.5mm long with stem.
Photo title: Crinoid Crown
Taxa present: Eutaxocrinus whiteavesi
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Tortophyllum cysticum |
Potter Farm formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Alpena, Alpena, MI
Strat unit: Potter Farm formation
Submitter notes: Side view of a beautiful clay-layer coral. The specimen is 62mm high. Unfortunately, the city tinks this site looks better buried under a paved bicycle path!
Photo title: Rugose Coral
Taxa present: Tortophyllum cysticum
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Grammysia sylvaniensis |
Silica formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: Side view of a beautiful big Silica pelecypod measuring 88mm in length.
Photo title: Pelecypod
Taxa present: Grammysia sylvaniensis
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Grammysia sylvaniensis |
Silica formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: Overhead view of a beautiful big Silica pelecypod measuring 88mm in length.
Photo title: Pelecypod
Taxa present: Grammysia sylvaniensis
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Poteriocrinus arkonensis |
Arkona formation |
David Clark |
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Submitted on 2008-11-24 by David Clark
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: A partial crown measuring 60mm long(stem not included).
Photo title: Crinoid Crown
Taxa present: Poteriocrinus arkonensis
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Phacops (Eldredgeops) crassituberculata |
Silica formation |
David Clark |
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Submitted on 2008-11-24 by David Clark
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: A pair of trilobites on matrix. The larger specimen is 53.5mm long and the smaller is 42mm in length.
Photo title: Trilobite Double
Taxa present: Phacops (Eldredgeops) crassituberculata
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Mediospirifer audaculus |
Silica formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: Pedicle view: Brachiopods were tough! This specimen shows a terrific injury that healed deforming new growth. It measures 31.5mm across.
Photo title: Brachiopod
Taxa present: Mediospirifer audaculus
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Mediospirifer audaculus |
Silica formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: Brachial view: Brachiopods were tough! This specimen shows a terrific injury that healed deforming new growth. It measures 31.5mm across.
Photo title: Brachiopod
Taxa present: Mediospirifer audaculus
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Protoleptostrophia lirella |
Norway Point formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Alpena, Alpena, MI
Strat unit: Norway Point formation
Submitter notes: A beautiful specimen of a fragile brachiopod. It measures 36.5mm across.
Photo title: Brachiopod
Taxa present: Protoleptostrophia lirella
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Platyceras carinatum |
Silica formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: A good typical specimen approximately 28mm high.
Photo title: Gastropod
Taxa present: Platyceras carinatum
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Platyceras bucculentum |
Silica formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: View 1: A very nice typical specimen measuring 46mm in length.
Photo title: Gastropod
Taxa present: Platyceras bucculentum
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Platyceras bucculentum |
Silica formation |
Scott Vergiels |
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Submitted on 2008-11-24 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: View 2: A very nice typical specimen measuring 46mm in length.
Photo title: Gastropod
Taxa present: Platyceras bucculentum
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unknown crinoid stem |
Silica formation |
David Thompson |
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Submitted on 2008-11-23 by David Thompson
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: Although not common, these fossils are found in the Silica. This shows a crinoid stem that has coiled back upon itself around its attachment point. In this case the crinoid has attached to the inside of a Phacops trilobite head. The top of the crinoid stem and cirri attachments can be seen with four coils of the stem all around it
Photo title: A fossil oddity.
Taxa present: unknown crinoid stem
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Megistocrinus multidecoratus |
Thunder Bay formation |
David Thompson |
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Submitted on 2008-11-23 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes:
Photo title: Top or tegmen view of crinoid
Taxa present: Megistocrinus multidecoratus
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Megistocrinus multidecoratus |
Thunder Bay formation |
David Thompson |
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Submitted on 2008-11-23 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This calyx was preserved in soft shale mud so that all the details were protected.
Photo title: well preserved caylx (bottom or stem view)
Taxa present: Megistocrinus multidecoratus
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Eutaxocrinus wideneri |
Silica formation |
David Thompson |
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Submitted on 2008-11-23 by David Thompson
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: The US 10 cent piece is for scale .
Photo title: Big and little crinoid crown example of the same species.
Taxa present: Eutaxocrinus wideneri
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