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Megistocrinus sp. |
Alpena formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A tegmen(top)view of the calyx which measures 36mm in diameter and 33mm high.
Photo title: Crinoid Calyx
Taxa present: Megistocrinus sp.
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Megistocrinus sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A side view of the calyx which measures 42mm in diameter and 33mm high.
Photo title: Crinoid Calyx
Taxa present: Megistocrinus sp.
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Megistocrinus sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A bottom view of the calyx which measures 42mm in diameter and 33mm high.
Photo title: Crinoid Calyx
Taxa present: Megistocrinus sp.
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Megistocrinus sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A tegmen(top) view of the calyx which measures 42mm in diameter and 33mm high.
Photo title: Crinoid Calyx
Taxa present: Megistocrinus sp.
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Dolatocrinus asterias |
Alpena formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A bottom view of the calyx which measures 34mm in diameter and 27mm high.
Photo title: Crinoid Calyx
Taxa present: Dolatocrinus asterias
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Dolatocrinus asterias |
Alpena formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A side view of the calyx which measures 34mm in diameter and 27mm high.
Photo title: Crinoid Calyx
Taxa present: Dolatocrinus asterias
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Dolatocrinus barrisi |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A tegmen(top) view of the calyx which measures 34mm in diameter and 20mm high.
Photo title: Crinoid Calyx
Taxa present: Dolatocrinus barrisi
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Hyperoblastus bassleri |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: Two blastoids are nearly identical in size. Both are 26mm high. The specimen on the right is 1mm wider at 15mm. That specimen also displays a sign of excellent preservation with one of it's top pointed plates still in place.
Photo title: Blastoids
Taxa present: Hyperoblastus bassleri
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Hyperoblastus bassleri |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This blastoid theca measures 22mm high x 9mm wide.
Photo title: Blastoid
Taxa present: Hyperoblastus bassleri
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Placoblastus sp. |
Alpena formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: This blastoid theca measures 36mm high x 23mm in diameter.
Photo title: Blastoid
Taxa present: Placoblastus sp.
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Placoblastus obovatus, Megistocrinus multidecoratus |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This great combination has a placoblastus measuring 32mm high and 22mm in diameter at it's widest. The crinoid measures 49mm in diameter and 28mm high.
Photo title: Blastoid and Crinoid Pair
Taxa present: Placoblastus obovatus, Megistocrinus multidecoratus
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Megistocrinus multidecoratus, Placoblastus obovatus |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This great combination has a placoblastus measuring 32mm high and 22mm in diameter at it's widest. The crinoid measures 49mm in diameter and 28mm high.
Photo title: Blastoid and Crinoid Pair
Taxa present: Megistocrinus multidecoratus, Placoblastus obovatus
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Unknown sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This undescribed crinoid measures 13mm high x 19mm wide. Another view.
Photo title: Crinoid Calyx
Taxa present: Unknown sp.
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Unknown sp. |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This undescribed crinoid measures 13mm high x 19mm wide.
Photo title: Crinoid Calyx
Taxa present: Unknown sp.
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Atractocrinus concinnus |
Arkona formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: This calyx measures 23mm high and 15mm at the widest.
Photo title: Crinoid Calyx
Taxa present: Atractocrinus concinnus
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Dolatocrinus barrisi |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A side view of the calyx which measures 34mm in diameter and 20mm high.
Photo title: Crinoid Calyx
Taxa present: Dolatocrinus barrisi
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Dolatocrinus barrisi |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: A bottom view of the calyx which measures 34mm in diameter and 20mm high.
Photo title: Crinoid Calyx
Taxa present: Dolatocrinus barrisi
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Stummiana arkonensis |
Alpena formation |
Pat Rutkowski |
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Submitted on 2008-03-12 by Pat Rutkowski
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A very rare little trilobite from the Dock Street Clay member. It measures 20mm long x 12mm wide.
Photo title: Trilobite
Taxa present: Stummiana arkonensis
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Crassiproetus microgranulatus |
Genshaw formation |
Pat Rutkowski |
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Submitted on 2008-03-12 by Pat Rutkowski
Location (approximate): Alpena, Alpena, MI
Strat unit: Genshaw formation
Submitter notes: This trilobite measures 31mm tall x 20mm wide.
Photo title: Trilobite
Taxa present: Crassiproetus microgranulatus
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Neometacanthus callites |
Alpena formation |
Pat Rutkowski |
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Submitted on 2008-03-12 by Pat Rutkowski
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A very unusual trilobite. This specimen measures 37mm long x 21mm wide.
Photo title: Trilobite
Taxa present: Neometacanthus callites
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