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Aulophyllum alpenensis |
Thunder Bay formation |
David Thompson |
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Submitted on 2010-05-04 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This is a slightly close up view of the Aulophyllum sp. This specimen shows ammonites from the Squaw Bay formation on the reverse side.
Photo title: another view of corals
Taxa present: Aulophyllum alpenensis
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Conocardium cuneus |
Dundee formation |
David Thompson |
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Submitted on 2010-05-04 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Dundee formation
Submitter notes: This is an unprepared example of a Rostroconch from Paulding. This was found by Alex Fabian who, knowing my interest, let me collect this specimen. Thanks, Alex.
Photo title: Rostroconch from Paulding
Taxa present: Conocardium cuneus
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Aulophyllum alpenensis |
Thunder Bay formation |
David Thompson |
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Submitted on 2010-05-04 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This coral group is about 4 inches (10 cm) long by 1 3/4 inches (4.2 cm) wide. The individual coralites are about 1/4 inch (6. mm) in diameter or about the size of an eraser of a pencil. This small grouping is on a larger plate measuring some 8 inches.
Photo title: Aulophyllum alpenensis, coral cluster
Taxa present: Aulophyllum alpenensis
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Heteroschisma subtruncatum |
Thunder Bay formation |
David Thompson |
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Submitted on 2010-05-04 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: The ambuulacral area of the previous specimen
Photo title: Second view of blastoid
Taxa present: Heteroschisma subtruncatum
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Heteroschisma subtruncatum |
Thunder Bay formation |
David Thompson |
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Submitted on 2010-05-04 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: Although a rather common species from the Thunder Bay Limestone of Alpena, This blastoid has not been added to the site before. It is 5/8 inch (15.3 mm) long by 3/8 inch (8.6 mm) wide
Photo title: Heteroschisma subtruncatum from Alpena
Taxa present: Heteroschisma subtruncatum
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Arthroacantha carpenteri |
Silica formation |
Mike Palescuk |
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Submitted on 2010-04-11 by Mike Palescuk
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: A crown showing unusual preservation.
Photo title: Crinoid Crown
Taxa present: Arthroacantha carpenteri
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Hyperoblastus reimanni |
Silica formation |
David Thompson |
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Submitted on 2010-04-10 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: A nice blastoid
Photo title: Blastoid
Taxa present: Hyperoblastus reimanni
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Phacops rana rana |
Arkona formation |
David Thompson |
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Submitted on 2010-04-10 by David Thompson
Location (approximate): Thedford, Lambton, ON
Strat unit: Arkona formation
Submitter notes: This tiny trilobite measures 3.6mm wide and was photographed through a stereozoom microscope.
Photo title: Trilobite
Taxa present: Phacops rana rana
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Synbathocrinus sp. |
Bell formation |
David Thompson |
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Submitted on 2010-04-10 by David Thompson
Location (approximate): Rockport, Alpena, MI
Strat unit: Bell formation
Submitter notes: This crinoid measures 22mm X 29mm.
Photo title: CRINOID CALYX
Taxa present: Synbathocrinus sp.
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Atractocrinus concinnus |
Arkona formation |
David Thompson |
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Submitted on 2010-04-10 by David Thompson
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: Another view of an unusual crinoid
Photo title: CRINOID CALYX
Taxa present: Atractocrinus concinnus
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Atractocrinus concinnus |
Arkona formation |
David Thompson |
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Submitted on 2010-04-10 by David Thompson
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: An unusual crinoid calyx
Photo title: CRINOID CALYX
Taxa present: Atractocrinus concinnus
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Hyperoblastus reimanni |
Silica formation |
David Thompson |
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Submitted on 2010-04-10 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: A rare double from a huge quarry dump pile. This shows the delicate brachioles and a bit of stem for each tiny blastoid. The entire piece is about 1' or 2.5 cm
Photo title: Blastoid Crowns
Taxa present: Hyperoblastus reimanni
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Hyperoblastus reimanni |
Silica formation |
David Thompson |
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Submitted on 2010-04-10 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: A nice specimen with braichioles
Photo title: Blastoid
Taxa present: Hyperoblastus reimanni
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Heracloceras inelegans, Aulopora sp. |
Silica formation |
Mike Palescuk |
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Submitted on 2010-04-10 by Mike Palescuk
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: The opposite side of the large ammonite (Goniatite) endocast with encrusting coral Aulopora. This specimen measures 7.75 inches in diameter and is 3 inches thick.
Photo title: Ammonite
Taxa present: Heracloceras inelegans, Aulopora sp.
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Hederella sp., Heracloceras inelegans, Aulopora sp. |
Silica formation |
Mike Palescuk |
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Submitted on 2010-04-10 by Mike Palescuk
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: A large ammonite (Goniatite) endocast with epifauna. This specimen measures 7.75 inches in diameter and is 3 inches thick. It has a Bryozoan, Hederella, on lower left of it's living chamber and the coral Aulopora on the septae (right side).
Photo title: Ammonite
Taxa present: Hederella sp., Heracloceras inelegans, Aulopora sp.
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Hyperoblastus reimanni |
Silica formation |
Mike Palescuk |
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Submitted on 2010-04-10 by Mike Palescuk
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: A small specimen measuring just over 1/4 inch.
Photo title: Blastoid
Taxa present: Hyperoblastus reimanni
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Eldredgeops milleri |
Silica formation |
Mike Palescuk |
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Submitted on 2010-04-10 by Mike Palescuk
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: This large prone specimen is from unit 8. It measures 3.36 inches long.
Photo title: Trilobite
Taxa present: Eldredgeops milleri
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Hexagonaria alpenensis |
Alpena formation |
Scott Vergiels |
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Submitted on 2010-04-10 by Scott Vergiels
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: This species appears unique to the Alpena Limestone reef cores. Bottom View of the colony.
Photo title: COLONY CORAL
Taxa present: Hexagonaria alpenensis
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Hexagonaria alpenensis |
Alpena formation |
Scott Vergiels |
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Submitted on 2010-04-10 by Scott Vergiels
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: This species appears unique to the Alpena Limestone reef cores. Top View of the colony.
Photo title: COLONY CORAL
Taxa present: Hexagonaria alpenensis
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Eldredgeops milleri |
Silica formation |
David Thompson |
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Submitted on 2010-04-10 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: A very nice side view of an enrolled specimen. This little guy is .44 of an inch or 11 mm high in this view.
Photo title: Trilobite
Taxa present: Eldredgeops milleri
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