Submitted on 2007-11-06 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes:

Photo title: Unusual Gastropod

Taxa present: Platyceras conicum

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Submitted on 2007-11-04 by Scott Vergiels

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: A common Silica Formation species of very uncommon size. The crown is approximately 11mm tall. The tinier specimen is a Logocrinus which is about 8mm in height.

Photo title: JUVENILE ARTHROACANTHA CROWN

Taxa present: Arthroacantha carpenteri, Logocrinus brandoni

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Submitted on 2007-11-04 by Scott Vergiels

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Statistical anomoly - The most common Silica ophiuroid remains undescribed.

Photo title: Sylvania Ophiuroid

Taxa present: Acinetaster sp.

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Submitted on 2007-11-04 by Scott Vergiels

Location (approximate): Alpena, Alpena, MI

Strat unit: Alpena formation

Submitter notes: This is one of a handful of Devonian Cyclocystoids from North America and likely the only one from the basin.

Photo title: ? Rarest Michigan Basin Echinoderm

Taxa present: Undescribed sp.

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Submitted on 2007-11-04 by Scott Vergiels

Location (approximate): Alpena, Alpena, MI

Strat unit: Genshaw formation

Submitter notes: Simply a nice little bug.

Photo title: Alpena Trilobite

Taxa present: Dechenella alpenensis

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Submitted on 2007-11-04 by Scott Vergiels

Location (approximate): Swanton, Fulton, OH

Strat unit: Silica formation

Submitter notes: Virtually all Silica Formation Phacopids, regardless of their beautiful preservation are compressed to some degree. This one isn't. From within a limestone layer.

Photo title: Absolutely Uncompressed Silica Eldredgeops

Taxa present: Eldredgeops crassituberculata

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Submitted on 2007-11-04 by Scott Vergiels

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: A nice big specimen of the common Silica crinoid

Photo title: Sylvania Crinoid

Taxa present: Arthroacantha carpenteri

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Submitted on 2007-11-04 by Scott Vergiels

Location (approximate): Alpena, Alpena, MI

Strat unit: Potter Farm formation

Submitter notes: At about 19mm this blastoid is about twice the usual size for this species.

Photo title: 'Giant' Heteroschisma Blastoid

Taxa present: Heteroschisma alatum

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Submitted on 2007-11-04 by Scott Vergiels

Location (approximate): Alpena, Alpena, MI

Strat unit: Potter Farm formation

Submitter notes: Top view showing the ambulacra which measures 11mm across

Photo title: 'Giant' Heteroschisma Blastoid - Top View

Taxa present: Heteroschisma alatum

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Submitted on 2007-11-04 by Scott Vergiels

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: The typical Hungry Hollow Nucleocrinus but with only 4 ambulacra rather than 5.

Photo title: Abnormal Blastoid

Taxa present: Nucleocrinus elegans

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Submitted on 2007-11-04 by Scott Vergiels

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: Top view showing abnormal growth - only 4 ambulacra

Photo title: Abnormal Blastoid - Top View

Taxa present: Nucleocrinus elegans

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Submitted on 2007-11-03 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Four Mile Dam formation

Submitter notes: Undescribed crinoid from the Dock Street Clay prepared by Scott Vergiels

Photo title: RARE CRINOID CROWN

Taxa present: Eutaxocrinus sp.

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Submitted on 2007-10-25 by Joseph Koniecki

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: Decorocrinus arkonensis from the Devonian of Arkona, Ontario. Specimen is about 5 inches

Photo title: Crinoid crown with anal tube

Taxa present: Decorocrinus arkonensis

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Submitted on 2007-10-11 by Jeffrey Mackin

Location (approximate): Arkona, Lambton, ON

Strat unit: Widder formation

Submitter notes:

Photo title: Phyllocarid

Taxa present: Echinocaris

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Submitted on 2007-10-11 by Jeffrey Mackin

Location (approximate): Alpena, Alpena, MI

Strat unit: Squaw Bay formation

Submitter notes:

Photo title: Cephalopods on matrix

Taxa present: Tornoceras , Bactrites , Koenenites cooperi

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Submitted on 2007-10-05 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Genshaw formation

Submitter notes: Prepared by Scott Vergiels.

Photo title: ENROLLED TRILOBITE

Taxa present: Dechenella alpenensis

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Submitted on 2007-10-05 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: Prepared by Scott Vergiels

Photo title: Trilobite slab

Taxa present: Pseudodechenella reimanni

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Submitted on 2007-09-26 by Pat Rutkowski

Location (approximate): , Delta, MI

Strat unit: Trenton formation

Submitter notes: Bottom view of Ordivician Bryozoan from Michigan's Upper Peninsula

Photo title: Bryozoan Colony

Taxa present: Prasopora simulatrix

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Submitted on 2007-09-25 by Pat Rutkowski

Location (approximate): Trout Lake, Chippewa, MI

Strat unit: Fiborn formation

Submitter notes: Middle Silurian Anthozoan coral from the Upper Peninsula

Photo title: Colony Coral

Taxa present: Halysites catenularia micropors

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Submitted on 2007-09-25 by Pat Rutkowski

Location (approximate): Trout Lake, Chippewa, MI

Strat unit: Fiborn formation

Submitter notes: Silurian Anthozoan on matrix from the Upper Peninsula

Photo title: Coral

Taxa present: Diphyphyllum huronicum

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