Submitted on 2007-09-07 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes:

Photo title: Cystoid

Taxa present: Lipsanocystis traversensis

View full record

Submitted on 2007-09-07 by Stan Hyne

Location (approximate): Alpena, Alpena, MI

Strat unit: Thunder Bay formation

Submitter notes: Prepared by Scott Vergiels

Photo title: Blastoid with stem

Taxa present: Nucleocrinus melonoformis

View full record

Submitted on 2007-09-07 by Stan Hyne

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes:

Photo title: Phyllocarid Mandible

Taxa present: Unknown

View full record

Submitted on 2007-09-07 by Stan Hyne

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Prepared by Scott Vergiels

Photo title: Crinoid Crown

Taxa present: Gilbertsocrinus ohioensis

View full record

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

View full record

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

View full record

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

View full record

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

View full record

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.

View full record

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

View full record

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.

View full record

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.

View full record

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

View full record

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

View full record

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

View full record

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

View full record

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

View full record

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

View full record

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

View full record

Submitted on 2007-11-06 by Joseph Koniecki

Location (approximate): Thedford, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: Trilobite is about 1 inch.

Photo title: Trilobite

Taxa present: Crassiproetus crassimarginatus

View full record