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Favosites norwoodensis |
Alpena formation |
Joseph Kchodl |
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Submitted on 2009-04-12 by Joseph Kchodl
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A nice specimen measuring 64.4mm high and 64.4mm wide. Collected from spoil piles at the Lafarge North America Alpena Quarry.
Photo title: Coral
Taxa present: Favosites norwoodensis
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Mucrospirifer latus |
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: Pedicle view of a fine specimen measuring 52.4mm long and 15.0mm wide.
Photo title: Brachiopod
Taxa present: Mucrospirifer latus
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Mucrospirifer latus |
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: Brachial view of a fine specimen measuring 52.4mm long and 15.0mm wide.
Photo title: Brachiopod
Taxa present: Mucrospirifer latus
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Tentaculites sp. |
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: Several specimens of a common fossil in this formation.
Photo title: Tentaculites
Taxa present: Tentaculites sp.
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Sieberella romingeri |
Alpena formation |
Joseph Kchodl |
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Submitted on 2009-04-12 by Joseph Kchodl
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: Pedicle view of a nice specimen with encrusting bryozoa. This specimen measures 32mm X 19mm. From the spoil piles of the Lafarge Quarry in Alpena.
Photo title: Brachiopod
Taxa present: Sieberella romingeri
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Sieberella romingeri |
Alpena formation |
Joseph Kchodl |
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Submitted on 2009-04-12 by Joseph Kchodl
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: Brachial view of a nice specimen with encrusting bryozoa. This specimen measures 32mm X 19mm. From the spoil piles of the Lafarge Quarry in Alpena.
Photo title: Brachiopod
Taxa present: Sieberella romingeri
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Sieberella romingeri |
Alpena formation |
Joseph Kchodl |
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Submitted on 2009-04-12 by Joseph Kchodl
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: Side view of a nice specimen with encrusting bryozoa. This specimen measures 32mm X 19mm. From the spoil piles of the Lafarge Quarry in Alpena.
Photo title: Brachiopod
Taxa present: Sieberella romingeri
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Ancyrocrinus bulbosus |
Alpena formation |
Joseph Kchodl |
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Submitted on 2009-04-12 by Joseph Kchodl
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: Two rare specimens from the spoil piles of the Lafarge quarry in Alpena. The larger holdfast measures 52.6mm high and 30mm at the widest point. The smaller is 37mm X 25.3mm.
Photo title: Crinoid Holdfast
Taxa present: Ancyrocrinus bulbosus
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Heteroschisma alatum |
Potter Farm formation |
David Clark |
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Submitted on 2009-04-12 by David Clark
Location (approximate): Alpena, Alpena, MI
Strat unit: Potter Farm formation
Submitter notes: A 9mm high specimen.
Photo title: Blastoid
Taxa present: Heteroschisma alatum
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Devonoblastus whiteavesi |
Hungry Hollow formation |
David Clark |
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Submitted on 2009-04-12 by David Clark
Location (approximate): Arkona, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: A rare specimen measuring 9mm in height.
Photo title: Blastoid
Taxa present: Devonoblastus whiteavesi
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Heteroschisma sp. |
Genshaw formation |
David Clark |
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Submitted on 2009-04-12 by David Clark
Location (approximate): Alpena, Alpena, MI
Strat unit: Genshaw formation
Submitter notes: A small 6mm specimen on matrix.
Photo title: Blastoid
Taxa present: Heteroschisma sp.
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Dolatocrinus sp. |
Alpena formation |
David Clark |
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Submitted on 2009-04-12 by David Clark
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A broken specimen showing an internal crystal structure of mineral replacement.
Photo title: Crinoid Calyx
Taxa present: Dolatocrinus sp.
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Dolatocrinus sp. |
Alpena formation |
David Clark |
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Submitted on 2009-04-12 by David Clark
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A side view of the broken specimen showing an internal crystal structure of mineral replacement.
Photo title: Crinoid Calyx
Taxa present: Dolatocrinus sp.
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Eldredgeops milleri |
Silica formation |
David Clark |
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Submitted on 2009-04-12 by David Clark
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: A fine 41.5mm prone specimen on matrix.
Photo title: Trilobite
Taxa present: Eldredgeops milleri
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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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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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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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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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