Submitted on 2008-11-24 by Pat Rutkowski

Location (approximate): , Jackson, MI

Strat unit: Marshall formation

Submitter notes: A nicely preserved specimen measuring 38mm x 20mm resting on a slab measuring 90mm x 71mm

Photo title: Pelecypod

Taxa present: Palaeoneilo sulcantina

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Submitted on 2008-11-26 by ummp invertebrate paleontology

Location (approximate): Marshall, Calhoun, MI

Strat unit: Marshall formation

Submitter notes: This specimen is a syntype. It is 1 cm across.

Photo title: Pelecypod

Taxa present: Cardiomorpha julia

UMMP specimen number: syntype 26981

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Submitted on 2008-11-26 by ummp invertebrate paleontology

Location (approximate): Battle Creek, Calhoun, MI

Strat unit: Marshall formation

Submitter notes: This specimen is a hypotype. It is 2.8 cm across.

Photo title: Pelecypod

Taxa present: Sanquinolites unionformis

UMMP specimen number: hypotype 44172

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Submitted on 2008-11-27 by ummp invertebrate paleontology

Location (approximate): Hillsdale, Hillsdale, MI

Strat unit: Marshall formation

Submitter notes: This specimen is a hypotype. It is 0.5 cm across.

Photo title: Brachiopod

Taxa present: Chonetes pulchella

UMMP specimen number: hypotype 26761

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Submitted on 2009-07-19 by ummp invertebrate paleontology

Location (approximate): Jackson, Jackson, MI

Strat unit: Marshall formation

Submitter notes: This specimen is 5 cm across.

Photo title: Cephalopod

Taxa present: Mooreoceras indianense

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Submitted on 2009-07-19 by ummp invertebrate paleontology

Location (approximate): Jackson, Jackson, MI

Strat unit: Marshall formation

Submitter notes: This specimen is 4 cm across.

Photo title: Cephalopod

Taxa present: Mooreoceras indianense

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Submitted on 2011-08-05 by Joseph Koniecki

Location (approximate): , Jackson, MI

Strat unit: Marshall formation

Submitter notes: The pelecypod specimen is 3.6 cm across.

Photo title: Pelecypod

Taxa present: Nuculopsis sp.

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Submitted on 2011-08-05 by Joseph Koniecki

Location (approximate): , Jackson, MI

Strat unit: Marshall formation

Submitter notes: The upper pelecypod is 3 cm across.

Photo title: Pelecypod

Taxa present: Palaeoneilo sulcatina

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Submitted on 2011-08-05 by Joseph Koniecki

Location (approximate): , Jackson, MI

Strat unit: Marshall formation

Submitter notes: The pelecypod is 3 cm across.

Photo title: Pelecypod

Taxa present: Palaeoneilo sulcatina

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Submitted on 2011-08-05 by Joseph Koniecki

Location (approximate): , Jackson, MI

Strat unit: Marshall formation

Submitter notes: This specimen is 10.3 cm acroos the entire plate.

Photo title: Pelecypods

Taxa present: Palaeoneilo sulcatina

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Submitted on 2011-08-05 by Joseph Koniecki

Location (approximate): , Jackson, MI

Strat unit: Marshall formation

Submitter notes: The pelecypod is 3.5 cm across.

Photo title: Pelecypod

Taxa present: Palaeoneilo sulcatina

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Submitted on 2011-08-05 by Joseph Koniecki

Location (approximate): , Jackson, MI

Strat unit: Marshall formation

Submitter notes: The cephalopod is 4.4 cm across.

Photo title: Cephalopod

Taxa present: Mooreoceras marshallense

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Submitted on 2011-08-21 by David Thompson

Location (approximate): Jackson, Jackson, MI

Strat unit: Marshall formation

Submitter notes: This is the interior of a small section of nautiloid, probably Mooreoceras, that shows the Siphuncle and straight septa of the nautiloid. The piece is less then 1 inch or 2. cm

Photo title: Interior of small Nautiloid

Taxa present: Mooreoceras

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Submitted on 2011-08-21 by David Thompson

Location (approximate): Jackson, Jackson, MI

Strat unit: Marshall formation

Submitter notes: This is a small fragment of Ammonite from the Marshall sandstone. The internal whorl is visible but only a few of the simple sutures can be seen in the center making species identification difficult. The entire specimen is less then an inch across. A partial cast of the Pelecypod, Palaeoneilo sulcatina, is below the Ammonite.

Photo title: Ammonite

Taxa present: Ammonite , Palaeonnello sulcatina

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Submitted on 2011-08-21 by David Thompson

Location (approximate): Jackson, Jackson, MI

Strat unit: Marshall formation

Submitter notes: This piece has several Pelecypods,Palaeoneilo sulcatina, and nautiloids, Mooreoceras sp. as well as a fragment of gastropod in the center. The entire cluster is 3.4 inches or 8.6 cm wide

Photo title: Cluster of pelecypods, nautiloids

Taxa present: Palaeoneilo sulcatina, Mooreoceras marshallense, Gastropod

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Submitted on 2012-07-07 by Joseph Koniecki

Location (approximate): , Jackson, MI

Strat unit: Marshall formation

Submitter notes: The plate is 23 cm across.

Photo title: Cephalopods

Taxa present: Mooreoceras marshallense

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Submitted on 2012-07-07 by Joseph Koniecki

Location (approximate): , Jackson, MI

Strat unit: Marshall formation

Submitter notes: This plate is 12 cm across.

Photo title: Pelecypods

Taxa present: Palaeoneilo sulcantina

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Submitted on 2012-07-07 by Joseph Koniecki

Location (approximate): , Jackson, MI

Strat unit: Marshall formation

Submitter notes: This plate is 14 cm across.

Photo title: Pelecypods

Taxa present: Palaeoneilo sulcantina

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Submitted on 2019-07-02 by Mike Palescuk

Location (approximate): Marshall, Calhoun, MI

Strat unit: Marshall formation

Submitter notes: From construction site in city of Marshall. Size about 3/4”.

Photo title: Bellerophon gastropod in Marshall Sandstone

Taxa present: Bellerophon sp.

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Submitted on 2021-02-21 by Mike Palescuk

Location (approximate): Jackson, Jackson, MI

Strat unit: Marshall formation

Submitter notes: A 2-1/2" fragment of a large specimen that would have been 3" diameter

Photo title: Ammonoid Merocanites

Taxa present: Merocanites houghtoni

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