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 2007-11-04 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): 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 2008-02-15 by Joseph Koniecki

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: Crinods from the Silica Shale at Paulding are extremely rare. Very few have been found.

Photo title:

Taxa present: Proctothylacocrinus longus

View full record

Submitted on 2008-02-15 by Joseph Koniecki

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: Paraspirifer brachiopods from the Silica Shale are not rare, however, from the Silica Shale at Milan they are VERY rare. These two are also unusual because of their size. Small Paraspirifers are less common.

Photo title: Brachiopods

Taxa present: Paraspirifer bownockeri

View full record

Submitted on 2008-02-15 by Joseph Koniecki

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes:

Photo title:

Taxa present: Platyceras bucculentum

View full record

Submitted on 2008-02-15 by Joseph Koniecki

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes:

Photo title: Inarticulate brachiopod

Taxa present: Petrocrania hamiltoniae

View full record

Submitted on 2008-02-15 by Joseph Koniecki

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes:

Photo title:

Taxa present: Sulcoretepora sp., Hyperoblastus sp.

View full record

Submitted on 2008-02-15 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes:

Photo title: Phyllocarid

Taxa present: Echinocaris punctata

View full record

Submitted on 2008-02-17 by David Thompson

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: This Mucrospirifer thedfordensis has a crinoid holdfast growing across the commissure. The roots are in both halves of the valves and this would only happen when the braciopod was dead.

Photo title: Mucrospirifer with crinoid holdfast

Taxa present: unknown crinoid holdfast , Mucrospirifer thedfordensis

View full record

Submitted on 2008-02-17 by David Thompson

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: This is a top down view of the brachiopod showing a different view of the holdfast

Photo title: Mucrospirifer with crinoid holdfast

Taxa present: unknown crinoid holdfast , Mucrospirifer thedfordensis

View full record

Submitted on 2008-02-17 by David Thompson

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: This is a small Helliophyllum with several smaller coralites growing from the edge after the main coral had been buried(?). Life is tenacious even for tiny organisms and they struggle to survive even if shortly they were all buried for the ages.

Photo title: Heliophyllum halli, coral with regeneration

Taxa present: Heliophyllum halli

View full record

Submitted on 2008-02-17 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Photo is 22 cm across.

Photo title: Group of Arthroacantha crinoids.

Taxa present: Arthroacantha carpenteri

View full record

Submitted on 2008-02-17 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This is a close up view of the bryozoan on the Arthroacantha plate.

Photo title: Bryozoan

Taxa present: Sulcoretepora sp.

View full record

Submitted on 2008-02-17 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: This crinoid is on the same plate as the group of Arthroacantha and the bryozoan Sulcoretepora.

Photo title: Crinoid

Taxa present: Logocrinus brandoni

View full record

Submitted on 2008-02-17 by Joseph Koniecki

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: The bryozoan is encrusting a cephalopod. The specimen is 8 cm across.

Photo title: Bryozoan

Taxa present: Repteria stolonifera

View full record

Submitted on 2015-11-07 by Joseph Koniecki

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: Specimen is about 1 cm across.

Photo title: Coral

Taxa present: Pleurodictyum cornu

View full record