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Megistocrinus nodosus |
Thunder Bay formation |
Ken Dobson |
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Submitted on 2008-10-07 by Ken Dobson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: Also the extent and variety of bryozoa is clear on the plate.
Photo title: This shows the detail of the stem with the cirri and the base of another incomplete Megistocrinus
Taxa present: Megistocrinus nodosus
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Megistocrinus nodosus |
Thunder Bay formation |
Ken Dobson |
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Submitted on 2008-10-07 by Ken Dobson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes:
Photo title: Detail of arms and crown
Taxa present: Megistocrinus nodosus
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Onychodus sp. |
Genshaw formation |
David Clark |
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Submitted on 2008-10-07 by David Clark
Location (approximate): Alpena, Alpena, MI
Strat unit: Genshaw formation
Submitter notes: Fish tooth from the Genshaw formation. This is the second tooth and is located on the back side of the plate
Photo title:
Taxa present: Onychodus sp.
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Decorocrinus arkonensis |
Arkona formation |
Ken Dobson |
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Submitted on 2008-10-07 by Ken Dobson
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: This shows the anal sac or tube.
Photo title: Another view of the same Crinoid
Taxa present: Decorocrinus arkonensis
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Decorocrinus arkonensis |
Arkona formation |
Ken Dobson |
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Submitted on 2008-10-07 by Ken Dobson
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: Here is a different specimen from Ken's collection that show the complete crown, arms, stem and anal sac extended.
Photo title: A complete crown with stem and anal sac
Taxa present: Decorocrinus arkonensis
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Decorocrinus arkonensis |
Arkona formation |
Ken Dobson |
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Submitted on 2008-10-07 by Ken Dobson
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: Although this is not a complete crinoid crown, enough of the caalyx and anal tube or sac can identify the species.
Photo title: A closer view of Decorocrinus
Taxa present: Decorocrinus arkonensis
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Corocrinus calypso |
Arkona formation |
Ken Dobson |
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Submitted on 2008-10-07 by Ken Dobson
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes:
Photo title: A closer view of Corocrinus
Taxa present: Corocrinus calypso
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Corocrinus calypso, Decorocrinus arkonensis |
Arkona formation |
Ken Dobson |
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Submitted on 2008-10-07 by Ken Dobson
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: This small plate shows two species of crinoid from one location.
Photo title: A plate with two different species of crinoid from Arkona, Ontario
Taxa present: Corocrinus calypso, Decorocrinus arkonensis
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Bactrites arkonensis |
Hungry Hollow formation |
Ken Dobson |
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Submitted on 2008-10-07 by Ken Dobson
Location (approximate): Arkona, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes:
Photo title: A closer view of Bactrities
Taxa present: Bactrites arkonensis
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Bactrites arkonensis |
Hungry Hollow formation |
Ken Dobson |
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Submitted on 2008-10-07 by Ken Dobson
Location (approximate): Arkona, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: These Bactrities are common in the Arkona shale but rarely are they this complete
due to the extremely soft shale. This is very delicate and a few more rain drops would have destroyed this association.
Photo title: Small pyritized cephalopod from Arkona, Ontario from the Ken Dobson collection
Taxa present: Bactrites arkonensis
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Phacops crassituberculata |
Silica formation |
Ken Dobson |
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Submitted on 2008-10-06 by Ken Dobson
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: As noted by Scott Vergiels in his photo in this archive, most fossils are flattened somewhat by being buried and uncompressed examples are are unusual.
Photo title: A nice uncompressed example of the favorite Silica Trilobite, Phacops crassituberculata
Taxa present: Phacops crassituberculata
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Phacops rana crassituberculata |
Silica formation |
Ken Dobson |
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Submitted on 2008-10-06 by Ken Dobson
Location (approximate): Milan, Washtenaw, MI
Strat unit: Silica formation
Submitter notes: This shows more detail of the nice Phacops/Eldredgops from Milan in Ken's collection
Photo title: A Closeup view of the Trilobite in previous photo
Taxa present: Phacops rana crassituberculata
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Batostoma sp. |
Ogontz formation |
William Stoddard |
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Submitted on 2008-07-23 by William Stoddard
Location (approximate): , Delta, MI
Strat unit: Ogontz formation
Submitter notes: From the Stonington peninsula. Block measures about 7 inches wide.
Photo title: Batostoma sp Bryozoan colony
Taxa present: Batostoma sp.
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Pentamerus sp. |
Manistique formation |
William Stoddard |
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Submitted on 2008-07-22 by William Stoddard
Location (approximate): Garden, Delta, MI
Strat unit: Manistique formation
Submitter notes: Here's a few worn pentamerus brachiopods in a rock found down the Garden peninsula, in the upper peninsula of Michigan.
Photo title: Pentamerus bed
Taxa present: Pentamerus sp.
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Billingsites noquettensis |
Ogontz formation |
William Stoddard |
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Submitted on 2008-07-22 by William Stoddard
Location (approximate): , Delta, MI
Strat unit: Ogontz formation
Submitter notes: Here's a specimen of Billingsites with the cyrtoconic phragmocone still attached, which was deciduous and would break off later in life. To the best of my knowledge and from what I can find in the literature, I don't know of any other ascocerids still in matrix, other than this and the others I found. From the Stonington peninsula. Block is about 5 inches wide.
Photo title: Billingsites longitudinal cross-section of ascocerid with juvenile cyrtoconic phragmocone attached
Taxa present: Billingsites noquettensis
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Clidophorus neglectus |
Richmond formation |
William Stoddard |
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Submitted on 2008-07-22 by William Stoddard
Location (approximate): , Delta, MI
Strat unit: Richmond formation
Submitter notes: This is a piece of a pelecypod deathbed layer. Each one is about 7 to 8 mm long.
Photo title: Closeup of Clidophorus sp. pelecypod deathbed
Taxa present: Clidophorus neglectus
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Platystrophia sp. |
Bay de Noc formation |
William Stoddard |
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Submitted on 2008-07-22 by William Stoddard
Location (approximate): , Delta, MI
Strat unit: Bay de Noc formation
Submitter notes: 2.8 cm wide from Peninsula point on the Stonington peninsula (near the lighthouse)
Photo title: Platystrophia
Taxa present: Platystrophia sp.
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Rhipidomella penelope |
Widder formation |
ummp invertebrate paleontology |
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Submitted on 2008-07-20 by ummp invertebrate paleontology
Location (approximate): Arkona, Lambton, ON
Strat unit: Widder formation
Submitter notes: The large specimen is 4 cm across.
Photo title: Brachiopods
Taxa present: Rhipidomella penelope
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Protoleptostrophia perplana |
Silica formation |
ummp invertebrate paleontology |
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Submitted on 2008-07-19 by ummp invertebrate paleontology
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: The large specimen is 4.2 cm across.
Photo title: Brachiopods
Taxa present: Protoleptostrophia perplana
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Stropheodonta n. sp. |
Ferron Point formation |
ummp invertebrate paleontology |
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Submitted on 2008-07-19 by ummp invertebrate paleontology
Location (approximate): Rockport, Alpena, MI
Strat unit: Ferron Point formation
Submitter notes: The left specimen is 3.2 cm across.
Photo title: Brachiopods
Taxa present: Stropheodonta n. sp.
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