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Tylothyris sp. |
Silica formation |
Mike Palescuk |
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Submitted on 2009-06-17 by Mike Palescuk
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: 3/4 inch wide
Photo title: brachiopod
Taxa present: Tylothyris sp.
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Orthospirifer cooperi?, euruteines? |
Silica formation |
Mike Palescuk |
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Submitted on 2009-06-17 by Mike Palescuk
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: Unusually well preserved points on this 3 inch tip-to-tip specimen
Photo title: Brachiopod Orthospirifer
Taxa present: Orthospirifer cooperi?, euruteines?
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Eldredgeops rana crassituberculata |
Silica formation |
David Thompson |
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Submitted on 2009-06-06 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: This photo is of a nice Eldredgeops crassituberculata collected this year on a 'Friend's' field trip to the LaFarge quarry at Paulding, Ohio due to the courtesy of their management. The prepared block is 10' or 26 cm long by 7' or 18.5 cm at the widest and 5 3/4' or 15 cm at the narrower end. The Trilobite is 2 7/8' (7 cm) long and 1 1/2' or 4 cm across the cheek. Some small areas of pyrite adhere to the shell and look like shale.
Photo title: A Large Silica Trilobite
Taxa present: Eldredgeops rana crassituberculata
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Eldredgeops rana crassituberculata |
Silica formation |
David Thompson |
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Submitted on 2009-06-06 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: This shows more detail in a closer view.
Photo title: A Close up View
Taxa present: Eldredgeops rana crassituberculata
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Eldredgeops rana crassituberculata |
Silica formation |
David Thompson |
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Submitted on 2009-06-06 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: Since much of the material on this site is prepared, it was thought to show how this trilobite appeared when collected in the field. As you see, there is very little showing when many of these fossils are being collected.
Photo title: Unprepared or field view of Trilobite
Taxa present: Eldredgeops rana crassituberculata
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Dolatocrinus triangulatus |
Thunder Bay formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: Small crinoid calyx from the Thunder bay limestone at Partridge Point in Alpena
The Caylx is about 3/4' or 20 mm in diameter and about 9/16' or 15mm high. This shows the ornamented base and stem attachment
Photo title: Dolatocrinus triangulatus
Taxa present: Dolatocrinus triangulatus
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Dolatocrinus triangulatus |
Thunder Bay formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: Side view showing part of arm attachments
Photo title: Dolatocrinus triangulatus
Taxa present: Dolatocrinus triangulatus
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Dolatocrinus triangulatus |
Thunder Bay formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This shows the crinoid calyx on a dark background to emphasize detail.
Photo title: Dolatocrinus triangulatus
Taxa present: Dolatocrinus triangulatus
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Dolatocrinus triangulatus |
Thunder Bay formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: Showing tegman.
Photo title: Dolatocrinus triangulatus
Taxa present: Dolatocrinus triangulatus
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Antholites alpenensis |
Thunder Bay formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This tabulate coral attaches around the stem of crinoids which is believed to keep them off the substrate. These are delicate corals and there are fronds of Bryozoan in the coralite cups but are NOT part of the Antholites. This is from the same Thunder Bay Limestone locality for the Dolatocrinus just shown and collected the same day. This does look a bit like a Mayan god of rain!
Photo title: Antholites alpenensis
Taxa present: Antholites alpenensis
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Antholites alpenensis |
Thunder Bay formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: Another view of the reverse side of coral just shown. Again this is with a dark background to highlight detail of the coral. A bit of the crinoid stem is visible at the top of the image
Photo title: Antholites alpenensis
Taxa present: Antholites alpenensis
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Antholites alpenensis |
Thunder Bay formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This view shows the crinoid stem and the thickness of the corals which are comparatively thin. The coral is 3/4' or 20 mm by 3/4' or 20 mm by 1/4' or 7 mm thick. I am sure many of my friends in FUMMP have better examples of this unusual coral they could show.
Photo title: Antholites alpenensis
Taxa present: Antholites alpenensis
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Gennaeocrinus variabilis |
Bell formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): , Presque Isle, MI
Strat unit: Bell formation
Submitter notes: Small complete crinoid Calyx from the Bell Shale at Rockport Quarry. The ornamented calyx is 3/4' or 20 mm by 3/4' or 20 mm but is a bit flattened.
Photo title: Gennaeocrinus variabilis
Taxa present: Gennaeocrinus variabilis
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Gennaeocrinus variabilis |
Bell formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): , Presque Isle, MI
Strat unit: Bell formation
Submitter notes: The base of the Gennaeocrinus showing the stem attachment and the characteristic
'flange' around the stem.
Photo title: Gennaeocrinus variabilis
Taxa present: Gennaeocrinus variabilis
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Fistulipora |
Silica formation |
David Thompson |
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Submitted on 2009-05-18 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: Bottom view showing concentric layers of Bryozoa building the colony
Photo title: Fistuliporoid sp.
Taxa present: Fistulipora
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Fistulipora |
Silica formation |
David Thompson |
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Submitted on 2009-05-18 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: A large encrusting Bryozoan colony showing the individual bryozoa and the spaced bumps over the colony. A USA 25 cent piece is for scale. The whole colony is 3' (7.5 cm) by 2.5' (6.5 cm) by 2' (5 cm). There has been some question as to this being a sponge.
Photo title: Fistuliporoid sp.
Taxa present: Fistulipora
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Platyceras rarispinum |
Alpena formation |
David Thompson |
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Submitted on 2009-05-05 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: This large Platyceras has one of it\\\'s spines still attached. The \\\'snail\\\' itself is 1 & 3/4\\\'(4.5 cm) high by 1 & 1/2\\\'(3.8 cm) wide at the base. The spine is 3/4\\\'
(2.0 cm) long. This from the Alpena Limestone and another I have on this site is from Hungry Hollow in Canada.
Photo title: Platyceras rarispinum
Taxa present: Platyceras rarispinum
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Platyceras rarispinum |
Alpena formation |
David Thompson |
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Submitted on 2009-05-05 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A different view of the Platyceras showing the tightly coiled conch and the expansion of the shell. The Spine is in the background
Photo title: Platyceras rarispinum
Taxa present: Platyceras rarispinum
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Cyrtina alpenensis |
Potter Farm formation |
Joseph Kchodl |
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Submitted on 2009-04-12 by Joseph Kchodl
Location (approximate): Alpena, Alpena, MI
Strat unit: Potter Farm formation
Submitter notes: Two nice specimens of a common braciopod in this formation. These specimens are approximately 10mm wide.
Photo title: Brachiopods
Taxa present: Cyrtina alpenensis
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Trachypora alternans |
Potter Farm formation |
Joseph Kchodl |
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Submitted on 2009-04-12 by Joseph Kchodl
Location (approximate): Alpena, Alpena, MI
Strat unit: Potter Farm formation
Submitter notes: Two typical specimens of the branching coral. The larger specimen measures 38.5mm high and 15.2mm at the widest branch. The smaller measures 17.4mm tall and 14.7mm at the widest.
Photo title: Coral
Taxa present: Trachypora alternans
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