Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: 43 mm long. Collected and prepared by Patricia Rutkowski.

Photo title: Trilobite

Taxa present: Eldredgeops milleri

View full record

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: 24 mm across. Collected and prepared by Patricia Rutkowski.

Photo title:

Taxa present: Strataster devonicus

View full record

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Antwerp, Paulding, OH

Strat unit: Silica formation

Submitter notes: 46 mm

Photo title: Trilobite

Taxa present: Eldredgeops crassituberculata

View full record

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: The largest one is 29 mm across the genal spines. Collected and lightly prepared by Patricia Rutkowski.

Photo title: Trilobite

Taxa present: Eldredgeops crassituberculata

View full record

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: 30 mm across the cephalon. This was collected and prepared by Dan Edmondson during the Summer of 2012.

Photo title: Trilobite

Taxa present: Eldredgeops milleri

View full record

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: The plate is 187 mm across. Collected and prepared by Patricia Rutkowski.

Photo title: Crinoid

Taxa present: Arthroacantha carpenteri

View full record

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: 17 mm. Collected and prepared by Patricia Rutkowski.

Photo title: Crinoid

Taxa present: Euryocrinus laddii

View full record

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: 18 mm. Collected and prepared by Patricia Rutkowski.

Photo title: Crinoid

Taxa present: Corocrinus nodosus

View full record

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Berkey, Lucas, OH

Strat unit: Silica formation

Submitter notes: 26 mm. Collected by Patricia Rutkowski and prepared by Patricia Rutkowski & Joe Koniecki.

Photo title: Crinoid

Taxa present: Eutaxocrinus wideneri

View full record

Submitted on 2015-12-20 by Michael Lask

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: 41 mm across. This snail would have been covered in long spines in life. Only the base of the spines are preserved in this specimen. Occasionally the spines are preserved and revealed with very careful preparation.

Photo title:

Taxa present: Platyceras rarispinum

View full record

Submitted on 2018-03-06 by Joseph Koniecki

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: This specimen is 5.7 cm across.

Photo title: Pelecypod

Taxa present: Mytilarca cordata

View full record

Submitted on 2018-06-09 by Joseph Koniecki

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: A very rare crinoid. The calyx is 1 cm across.

Photo title: Crinoid

Taxa present: Deltacrinus sp.

View full record

Submitted on 2018-06-09 by Joseph Koniecki

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: A plate with four crinoid clayxes. It is 16 cm across the slab.

Photo title: Crinoids

Taxa present: Gilbertsocrinus ohioensis

View full record

Submitted on 2018-06-09 by Joseph Koniecki

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: The crinoid is 2.5 cm tall. Another very rare crinoid.

Photo title: Crinoid

Taxa present: Melocrinus

View full record

Submitted on 2018-06-09 by Joseph Koniecki

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: It is 24 cm across the slab.

Photo title: Corals

Taxa present: Heterophrentis simplex

View full record

Submitted on 2018-06-09 by Joseph Koniecki

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: The slab is 30 cm across.

Photo title: Corals, bryzoans, and brachs, OH My

Taxa present: Heterophrentis simplex, Sulcoretepora sp., Strophodonta sp., Aulopora microbuccinata

View full record

Submitted on 2018-12-15 by Joseph Koniecki

Location (approximate): Milan, Washtenaw, MI

Strat unit: Silica formation

Submitter notes: Specimen is about 3 cm across. It is rare to find these inflated.

Photo title: Pelecypod

Taxa present: Mytilarca cordata

View full record

Submitted on 2018-12-25 by Joseph Koniecki

Location (approximate): Paulding, Paulding, OH

Strat unit: Silica formation

Submitter notes: The top crinoid is about 3 cm tall. Crinoids are very rare at the Paulding site compared to the Sylvania site. Very few complete crowns have been found.

Photo title: Crinoid

Taxa present: Proctothylacocrinus sp.

View full record

Submitted on 2019-07-02 by Mike Palescuk

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: 1/4” to 5/16” in size

Photo title: One Hyperoblastus and two Nucleocrinus

Taxa present: Nucleocrinus and Hyperoblastus

View full record

Submitted on 2019-07-02 by Mike Palescuk

Location (approximate): Sylvania, Lucas, OH

Strat unit: Silica formation

Submitter notes: Unit 9 bug solidly supported by a huge polished pyrite nodule. Now in the Cranbrook collection.

Photo title: Pyrite nodule supporting prone Eldredgeops

Taxa present: Eldredgeops milleri

View full record