Submitted on 2008-03-30 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This small, distinctive brachiopod is common in the formation. They average 11mm long and 6.5mm at the widest point.

Photo title: Brachiopod

Taxa present: Cryptonella attenuata

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Submitted on 2008-03-30 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This little brachiopod has a smooth surface and is somewhat common in the formation. The largest specimen in the photo measures 13mm x 12mm.

Photo title: Brachiopod

Taxa present: Nucleospira concinna

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Submitted on 2008-03-30 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This uncommon brachiopod requires a bit of searching in the formation. The photo specimens average 18mm x 16mm and are about12mm thick.

Photo title: Brachiopod

Taxa present: Parazyga hirsuta

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Submitted on 2008-03-30 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This brachiopod is not common in the formation. A very fragile thin shell makes collecting whole specimens difficult. This beauty has a holdfast attached to it and nearby rests a smaller Pholidostrophia brachiopod. The larger brachiopod measures 35mm x 31mm.

Photo title: Brachiopod

Taxa present: Protoleptostrophia perplana, Pholidostrophia nacrea

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Submitted on 2008-03-30 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: A small brachiopod with a distinctive triangular shape that is common in the formation. The largest of the 11 specimens in the photo measures 11mm x 7mm and is 9.5mm high. The smallest is 4mm x 5.5mm and 4mm high.

Photo title: Brachiopod

Taxa present: Cyrtina coultisorum

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Submitted on 2008-04-28 by ummp invertebrate paleontology

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This specimen is the holotype for the species, It is 7.5 cm across the slab.

Photo title: Trilobites

Taxa present: Phacops iowensis southworthi

UMMP specimen number: holotype 24313

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Submitted on 2008-05-12 by David Thompson

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: The top view of same specimen.

Photo title: Callipleura nobilis, Brachiopod

Taxa present: Callipleura nobilis

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Submitted on 2008-05-12 by David Thompson

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This is another example of this lovely brachiopod from the Hungry hollow formation in Ontario, Canada. This is a nice large example at 1 1/4' (3. cm)

Photo title: Callipleura nobilis, Brachiopod

Taxa present: Callipleura nobilis,

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Submitted on 2008-10-07 by Ken Dobson

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: These Bactrities are common in the Arkona shale but rarely are they this complete due to the extremely soft shale. This is very delicate and a few more rain drops would have destroyed this association.

Photo title: Small pyritized cephalopod from Arkona, Ontario from the Ken Dobson collection

Taxa present: Bactrites arkonensis

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Submitted on 2008-10-07 by Ken Dobson

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes:

Photo title: A closer view of Bactrities

Taxa present: Bactrites arkonensis

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Submitted on 2008-11-03 by ummp invertebrate paleontology

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: Thes specimens are a hypotype. The larger specimen is 2.8 cm across.

Photo title: Brachiopods

Taxa present: Callipleura nobilis

UMMP specimen number: hypotype 17807

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This branching tetracoral is very common in the H.H. member but is usually found in pieces. It was reconstructed. A specimen of Thamnoptychis(Trachypora) branches within the Eridophyllum. The specimen measures 75mm X 76mm. The Thamnoptychis is 42mm long.

Photo title: Branching Coral

Taxa present: Eridophyllum subcaespitosum, Thamnoptychis elegantula

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: An extremely rare find in the H.H. member This is the only specimen we have seen. Collected by Richard Barnard. Dime for size.

Photo title: Colony Coral

Taxa present: Pleurodictyum insigne

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Submitted on 2008-11-06 by Mike Topor

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: Bottom View: An extremely rare find in the H.H. member This is the only specimen we have seen. Collected by Richard Barnard. Dime for size.

Photo title: Colony Coral

Taxa present: Pleurodictyum insigne

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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: 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: 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 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This specimen is a paratype. It is 2 cm across.

Photo title: Trilobite - View #1

Taxa present: Dechenella (Basidechenella) rowi arkonensis

UMMP specimen number: paratype 28682

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Submitted on 2008-12-02 by ummp invertebrate paleontology

Location (approximate): Arkona, Lambton, ON

Strat unit: Hungry Hollow formation

Submitter notes: This specimen is a paratype. It is 2 cm across.

Photo title: Trilobite - View #2

Taxa present: Dechenella (Basidechenella) rowi arkonensis

UMMP specimen number: paratype 28682

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