Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This brachiopod is common in the formation. They attach to many different species of corals. All are single valves. The largest brachiopod in the photo measures 41mm X 34mm.

Photo title: Inarticulate Brachiopod

Taxa present: Petrocrania hamiltoniae

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: A highly pyritized and nearly complete straight cephalopod collected on matrix. This common species is rarely found on matrix. It measures about 40mm in length.

Photo title: Cephalopod

Taxa present: Bactrites arkonensis

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: Due to the rarity of fragments in the H.H. member this echinoid remains undescribed. This good specimen shows parts of the lantern(oral opening) in the lower half of the photo. The specimen measures 40mm X 40mm.

Photo title: Echinoid

Taxa present: Undescribed sp.

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: View 1: Although never formally described to the species level, this very rare crinoid from the Arkona formation is similar to the Silica formation species. It measures 20mm high and 11mm wide.

Photo title: Crinoid

Taxa present: Euryocrinus laddii

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: View 2: Although never formally described to the species level, this very rare crinoid from the Arkona formation is similar to the Silica formation species. It measures 20mm high and 11mm wide.

Photo title: Crinoid

Taxa present: Euryocrinus laddii

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: View 1: The only specimen of this cladid crinoid I found in the H.H. member in over thirty years of collecting. It measures 19mm high and 12.5mm wide.

Photo title: Crinoid Calyx

Taxa present: Decadocrinus multidosus

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: View 2: The only specimen of this cladid crinoid I found in the H.H. member in over thirty years of collecting. It measures 19mm high and 12.5mm wide.

Photo title: Crinoid Calyx

Taxa present: Decadocrinus multidosus

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Widder formation

Submitter notes: A rare crinoid crown from the lower Widder formation. The specimen measures 40mm high and is 16.5mm wide.

Photo title: Crinoid Crown

Taxa present: Eutaxocrinus whiteavesi

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Submitted on 2019-09-26 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Arkona formation

Submitter notes: This brachiopod pavement specimen measures 4.25" X 3.0" x 0.75". Devonochonetes is common throughout the formation as single specimens, rarer as a pavement. Redescribed by Junhui Wang in 2009.

Photo title: BRACHIOPOD PAVEMENT

Taxa present: Devonochonetes arkonensis

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Submitted on 2019-09-26 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Widder formation

Submitter notes: This specimen measures 4.5" x 3.0". A common brachiopod in the Widder fm. Formerly know as Leiorhynchus laura. Collected by Stephan Kopacz.

Photo title: BRACHIOPOD GROUP

Taxa present: Eumetabolotoechia laura

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