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Nucleocrinus meloniformis |
Thunder Bay formation |
Scott Vergiels |
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Submitted on 2010-11-27 by Scott Vergiels
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: An unusual specimen of a Devonian blastoid showing column and brachioles. This extremely rare crown measures 20.25mm X 8.25mm.
Photo title: BLASTOID
Taxa present: Nucleocrinus meloniformis
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Unidentified sp. |
Alpena formation |
Scott Vergiels |
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Submitted on 2010-11-27 by Scott Vergiels
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: The rarest of the rare, A Devonian cyclocystoid. This Unidentified specimen measures 33mm in diameter. Found in the reef flank beds.
Photo title: Cyclocystoid
Taxa present: Unidentified sp.
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Gennaeocrinus chilmanae |
Silica formation |
Scott Vergiels |
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Submitted on 2010-11-27 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: Still rare after all these years, this beautiful crown measures 43mm high and 53mm wide.
Photo title: CRINOID CROWN
Taxa present: Gennaeocrinus chilmanae
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Devonaster sp. |
Hungry Hollow formation |
Scott Vergiels |
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Submitted on 2010-11-27 by Scott Vergiels
Location (approximate): Arkona, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: An extremely rare specimen probably of the species southworthi. It measures 68mm in the longest dimension. From the coral beds.
Photo title: STARFISH
Taxa present: Devonaster sp.
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Greenops widderensis |
Widder formation |
Scott Vergiels |
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Submitted on 2010-11-27 by Scott Vergiels
Location (approximate): Arkona, Lambton, ON
Strat unit: Widder formation
Submitter notes: A beautiful prone specimen measuring 21.5mm X 14.5mm
Photo title: TRILOBITE
Taxa present: Greenops widderensis
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Sulcoretopora deissi |
Silica formation |
Scott Vergiels |
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Submitted on 2010-11-27 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: A closer view of the previous photo entry.
Photo title: Bryozoan
Taxa present: Sulcoretopora deissi
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Sulcoretopora deissi |
Silica formation |
Scott Vergiels |
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Submitted on 2010-11-27 by Scott Vergiels
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: A beautiful specimen measuring 125mm X 55mm.
Photo title: Bryozoan
Taxa present: Sulcoretopora deissi
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Echinocaris ? |
Silica formation |
Stan Hyne |
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Submitted on 2010-11-26 by Stan Hyne
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: A very good set of teeth probably from an Echinocaris. The specimen measures 27mm long.
Photo title: PHYLLOCARID MANDIBLE
Taxa present: Echinocaris ?
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Hyperoblastus sp. |
Alpena formation |
Alex Fabian |
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Submitted on 2010-11-26 by Alex Fabian
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A basal view of a very large, very rare, 'undescribed' blastoid collected by Bob Rutkowski. This specimen measures 31mm high and 30mm in diameter.
Photo title: BLASTOID
Taxa present: Hyperoblastus sp.
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Hyperoblastus sp. |
Alpena formation |
Alex Fabian |
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Submitted on 2010-11-26 by Alex Fabian
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: An oral view of a very large, very rare, 'undescribed' blastoid collected by Bob Rutkowski. This specimen measures 31mm high and 30mm in diameter.
Photo title: BLASTOID
Taxa present: Hyperoblastus sp.
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Hyperoblastus sp. |
Alpena formation |
Alex Fabian |
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Submitted on 2010-11-26 by Alex Fabian
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A side view of a very large, very rare, 'undescribed' blastoid collected by Bob Rutkowski. This specimen measures 31mm high and 30mm in diameter.
Photo title: BLASTOID
Taxa present: Hyperoblastus sp.
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Hyperoblastus sp. |
Alpena formation |
Alex Fabian |
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Submitted on 2010-11-26 by Alex Fabian
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A basal view of an excellent 'undescribed' specimen from what used to be the 'Dock Street Clay' This blastoid measures 20mm X 13mm.
Photo title: BLASTOID
Taxa present: Hyperoblastus sp.
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Hyperoblastus sp. |
Alpena formation |
Alex Fabian |
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Submitted on 2010-11-26 by Alex Fabian
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: An oral view of an excellent 'undescribed' specimen from what used to be the 'Dock Street Clay' This blastoid measures 20mm X 13mm.
Photo title: BLASTOID
Taxa present: Hyperoblastus sp.
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Hyperoblastus sp. |
Alpena formation |
Alex Fabian |
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Submitted on 2010-11-26 by Alex Fabian
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A side view of an excellent 'undescribed' specimen from what used to be the 'Dock Street Clay' The blastoid measures 20mm X 13mm.
Photo title: BLASTOID
Taxa present: Hyperoblastus sp.
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Various sp. |
Traverse formation |
David Thompson |
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Submitted on 2010-11-26 by David Thompson
Location (approximate): Whitmore Lake, Washtenaw, MI
Strat unit: Traverse formation
Submitter notes: Various brachiopod fragments collected by Justin Florkowski, an 11 year-old member of the 'FRIENDS'. This specimen found is from glacial drift and measures 57.3mm x 41mm. Probably Traverse group.
Photo title: BRACHIOPOD
Taxa present: Various sp.
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Heteroschisma sp. |
Alpena formation |
Stan Hyne |
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Submitted on 2010-11-26 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: A group of small Heteroschisma blastoids probably from the Genshaw member. The largest specimen measures 9.25mm tall and 7.1mm in diameter, The smallest is 4.7mm x 3.5mm in diameter.
Photo title: BLASTOID
Taxa present: Heteroschisma sp.
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Heteroschisma sp. |
Genshaw formation |
Stan Hyne |
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Submitted on 2010-11-26 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Genshaw formation
Submitter notes: A side view of a Heteroschisma blastoid from the Genshaw member. The specimen measures 9.25mm tall and 7.1mm in diameter. This photo was taken under a stereozoom microscope.
Photo title: BLASTOID
Taxa present: Heteroschisma sp.
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Eleutherocrinus cassedayi |
Hungry Hollow formation |
David Thompson |
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Submitted on 2010-11-26 by David Thompson
Location (approximate): Thedford, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: This is a not too good example of this rare and unusual blastoid. Eleutherocrinus cassedayi from the Hungry Hollow formation at the 'tileyard' at Thedford, Ontario, Canada. The blastoid is 17 mm long and 9 mm wide.Better examples are shown on this website but these are so rare that all examples should be looked at and any partial collected.It is believed that these blastoids were not attached as adults and able to move independently.
Photo title: Eleutherocrinus cassedayi view 2
Taxa present: Eleutherocrinus cassedayi
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Eleutherocrinus cassedayi |
Hungry Hollow formation |
David Thompson |
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Submitted on 2010-11-26 by David Thompson
Location (approximate): Thedford, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: This is a not too good example of this rare and unusual blastoid. Eleutherocrinus cassedayi from the Hungry Hollow formation at the 'tileyard' at Thedford, Ontario, Canada. The blastoid is 17 mm long and 9 mm wide.Better examples are shown on this website but these are so rare that all examples should be looked at and any partial collected.It is believed that these blastoids were not attached as adults and able to move independently.
Photo title: Eleutherocrinus cassedayi
Taxa present: Eleutherocrinus cassedayi
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Hyperoblastus reimanni |
Silica formation |
David Thompson |
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Submitted on 2010-11-26 by David Thompson
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: This crushed example is to show what a blastoid in this condition might look like. It is 11.5 mm high by 9.8 mm wide at the widest. This was collected in 1991 from the Martin-Marietta spoil piles in Milan, MI where blastoids are far more rare then, for example, at Paulding, OH.
Photo title: Crushed and Incomplete Example of Hyperoblastus reimani from Milan, MI View 2
Taxa present: Hyperoblastus reimanni
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