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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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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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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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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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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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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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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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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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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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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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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Submitted on 2008-11-23 by David Thompson

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: Both of these crowns are very small but this little one is only 7 mm high.

Photo title: Closeup of the smallest crown from previous photo

Taxa present: Eutaxocrinus wideneri

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Submitted on 2008-11-23 by David Thompson

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes:

Photo title: Closeup view of largest caylx in previous entry

Taxa present: Dolatocrinus asterias

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Submitted on 2008-11-23 by David Thompson

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes:

Photo title: Bottom (stem) view of previous three crinoid calyxes

Taxa present: Dolatocrinus asterias

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Submitted on 2008-11-23 by David Thompson

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: These were from bioherm areas of the Alpena Limestone

Photo title: Series of crinoid calyxes graded in size, tegmen view

Taxa present: Dolatocrinus asterias

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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 shows the curved nature of the matrix in which the crinoid was washed(?) and covered with additional matrix to preserve all.

Photo title: Third view showing the 'pipe' in which the crinoid was preserved.

Taxa present: Botryocrinus thomasi

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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: A more detailed view

Taxa present: Botryocrinus thomasi

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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 crinoid with crown and stem was preserved at the bottom of a channel and was covered by Bryozoa. This was revealed after the fronds of bryozoans were removed.

Photo title: Crinoid with stem and arms

Taxa present: Botryocrinus thomasi

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Submitted on 2008-11-23 by David Thompson

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: Given the fauna at this location, I would venture to call this a Arthroacantha stem but there is not sufficient data to do so.

Photo title: Another view of coiled stem.

Taxa present: unknown crinoid stem

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Submitted on 2008-11-23 by David Thompson

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: This is a very common brachiopod in the Silica and Arkona locations but that is NOT why I have put it on this site. This is the ventral view and is quite uninteresting really, not even complete. The story is on the other side.

Photo title: A common Silica brachiopod

Taxa present: Mucrospirifer thedfordensis

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