Tag Archives: Kentucky

Wooster’s Fossils of the Week: A nest of cornulitid tubeworms and friends from the Upper Ordovician of northern Kentucky

Mark Wilson September 19, 2014 1:27 am

This fascinating and complicated little cluster of cornulitid wormtubes was found by my current Independent Study student William Harrison while we were doing fieldwork near Petersburg, Kentucky. (Just down the road from the infamous Creation Museum, ironically.) It was collected … Continue reading →

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Wooster’s Fossils of the Week: An Ordovician hardground with a bryozoan and borings — and an unexpected twist

Mark Wilson August 1, 2014 1:50 am

The view above, one quite familiar to me, is of a carbonate hardground from the Upper Ordovician Corryville Formation exposed near Washington, Mason County, Kentucky. We are looking directly at the bedding plane of this limestone. The lumpy, spotted fossil … Continue reading →

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Wooster’s Fossil of the Week: Intensely bored bryozoan from the Upper Ordovician of Kentucky

Mark Wilson March 23, 2014 1:05 am

Yes, yes, I’ve heard ALL the jokes about being bored, and even intensely bored. I learn to deal with it. This week we continue to highlight fossils collected during our productive expedition to the Upper Ordovician (Cincinnatian) of Indiana (with … Continue reading →

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Ordovician bioclaustration project begins

Mark Wilson March 10, 2014 9:36 pm

FLORENCE, KENTUCKY–Today it was William Harrison’s turn to collect specimens for his Independent Study project. He’ll be working a full year on what he’s putting in these bags before he turns in his thesis. William’s project is an interpretation of … Continue reading →

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Wooster’s Fossils of the Week: Bioclaustration-boring structures in bryozoans from the Upper Ordovician of the Cincinnati region

Mark Wilson February 9, 2014 1:36 am

Another bioerosion mystery from those fascinating Upper Ordovician rocks around Cincinnati. Above you see a flat, bifoliate trepostome bryozoan (probably Peronopora) with pock holes scattered across its surface. At first you may think, after reading so many blog posts here, … Continue reading →

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Wooster’s Fossils of the Week: Mysterious borings in brachiopods from the Upper Ordovician of the Cincinnati region

Mark Wilson February 2, 2014 1:19 am

Above is a well-used brachiopod from the Upper Ordovician of northern Kentucky (C/W-152; Petersburg-Bullittsville Road, Boone County; Bellevue Member of the Grant Lake Formation). It experienced several events on the ancient seafloor during its short time of exposure. Let’s put … Continue reading →

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Wooster’s Fossil of the Week: A trepostome bryozoan from the Upper Ordovician of northern Kentucky

Mark Wilson December 15, 2013 1:26 am

First, what U.S. state does this delicious little bryozoan resemble? It’s so close I can even pick out Green Bay. This is Heterotrypa frondosa (d’Orbigny, 1850), a trepostome bryozoan from the Corryville Formation (Upper Ordovician) in Covington, Kentucky. I collected … Continue reading →

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Wooster’s Fossil of the Week: An encrusted cobble from the Upper Ordovician of Kentucky

Mark Wilson December 1, 2013 1:21 am

In 1984 I pulled the above specimen from a muddy ditch during a pouring rain near the confluence of Gunpowder Creek and the Ohio River in Boone County, northern Kentucky. It changed my life. This limestone cobble eroded out of … Continue reading →

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Wooster’s Fossil of the Week: Tubular drillholes (Upper Ordovician of the Cincinnati Region)

Mark Wilson April 28, 2013 1:59 am

This is one of the simplest fossils ever: a cylindrical hole drilled into a hard substrate like a skeleton or rock. The above image is of a hardground (cemented carbonate seafloor) from the Upper Ordovician of northern Kentucky with these … Continue reading →

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Wooster’s Fossil of the Week: A twisty trace fossil (Lower Carboniferous of northern Kentucky)

Mark Wilson January 27, 2013 1:58 am

My Invertebrate Paleontology students know this as Specimen #8 in the trace fossil exercises section: “the big swirly thing”. It is a representative of the ichnogenus Zoophycos Massalongo, 1855. This trace is well known to paleontologists and sedimentologists alike — … Continue reading →

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