Tag Archives: Silurian

Wooster’s Fossils of the Week: Peanut worms from the Silurian of Illinois

This week’s fossils are a set of cool sipunculan worms from the Lockport Shale Member of the Racine Formation (Wenlockian, Silurian) of Blue Island, Illinois (which, it turns out, is not an island.). This is Lecthaylus gregarius Weller, 1925. (There … Continue reading

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Wooster’s Fossils of the Week: New Early Silurian crinoids from Estonia

It has been a good year for new fossil taxa on this blog. I’m pleased to present a fauna of Early Silurian crinoids from the Hilliste Formation (Rhuddanian) exposed on Hiiumaa Island, western Estonia. They are described in a paper … Continue reading

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Wooster’s Fossils of the Week: Symbiotic interactions in the Silurian of Baltica

This week’s fossils are from work Olev Vinn (University of Tartu, Estonia) and I did last summer that is soon to appear in the journal Lethaia. (An early electronic version of the manuscript has been available since November.) After numerous … Continue reading

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Wooster’s Fossil of the Week: A striated brachiopod from the Silurian of New York

Sometimes it is a Fossil of the Week simply because it is new to me. The brachiopods above are abundant in a thin layer of shells within the Lewiston Member of the Rochester Shale (Silurian, Wenlockian) in western New York … Continue reading

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Wooster’s Fossil (Maybe) of the Week: Kinneyia ripples

While hiking through the Niagara Gorge on a field trip in August, my friend Andrej Ernst of the University of Kiel found the above block of siltstone from the Grimsby Formation (Silurian) with unusual small-scale ripples in a patch. Carl … Continue reading

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Wooster Geologist at Niagara Falls

LOCKPORT, NEW YORK (August 10, 2015) — I know, such a cliché image, but you know it had to happen on this trip. This morning Andrej Ernst and I packed up 78 pounds of bryozoan-rich Silurian rocks and mailed them … Continue reading

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Final day in the Silurian of New York

LOCKPORT, NEW YORK (August 9, 2015) — This was the last day in the field for Andrej Ernst and me. We met all our goals (collecting bryozoans from the Rochester Shale, finding sclerobionts anywhere, and learning more about New York … Continue reading

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Return to the Silurian of New York

LOCKPORT, NEW YORK (August 8, 2015) — Andrej and I began some deep collecting of Silurian localities in the Lockport area today in our survey of the bryozoan and sclerobiont faunas. The sites are, shall we say, not the most … Continue reading

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Into the Niagara Gorge

LOCKPORT, NEW YORK (August 6, 2015) — It holds one of the strongest river currents in the world, the gorge of the Niagara River below Niagara Falls. That tremendous flow has cut a deep canyon through the Silurian rocks of … Continue reading

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Wooster Geologist in New York

LOCKPORT, NEW YORK (August 5, 2015) — What looks like an ordinary commercial quarry above is actually quite unusual. It is an excavation done entirely by amateur paleontologists (“citizen scientists”) to collect and preserve fossils from the Rochester Shale (Upper … Continue reading

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