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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Submitted on 2019-09-16 by Mike Palescuk

Location (approximate): Jackson, Jackson, MI

Strat unit: Marshall formation

Submitter notes: 18” x 8” slab with numerous pelecypods, a couple Mooreoceras and one Mercanites goniatite.

Photo title: Mississippian mollusca sea floor

Taxa present: Mollusca Goniatite, Orthocone, Pelecypods

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Submitted on 2019-10-09 by Mike Palescuk

Location (approximate): Alpena, Alpena, MI

Strat unit: Squaw Bay formation

Submitter notes: Bricks behind stump are 8" long. Upper (late) Devonian Squaw Bay formation on Sulphur Island. Found by Patricia Rutkowski.

Photo title: Ancestral conifer Callixylon newberryi

Taxa present: Callixylon newberryi

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Submitted on 2020-01-08 by Mike Palescuk

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: Note encrusting bryozoan on the pedicle valve. Specimen measures 1.5" (37mm) long.

Photo title: Lampshell brachiopod

Taxa present: Cranaena lincklaeni

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Submitted on 2021-02-21 by Mike Palescuk

Location (approximate): Jackson, Jackson, MI

Strat unit: Marshall formation

Submitter notes: Large fragment next to the 2 coiled ones, all exhibit same suture pattern

Photo title: Ammonoid Merocanites group of 3

Taxa present: Merocanites houghtoni

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