Tag Archives: Fossil of the Week

Wooster’s Fossils of the Week: A Silurian encrinite from southwestern Ohio

Mark Wilson May 22, 2015 12:51 am

The above rock was collected on our Sedimentology & Stratigraphy class field trip last month. It is an average piece of weathered Brassfield Formation (Early Silurian, Llandovery) from Oakes Quarry Park near Fairborn, Ohio (N 39.81472°, W 83.99471°). It is … Continue reading →

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Wooster’s Fossil of the Week: A ptilodictyine bryozoan from the Silurian of Ohio

Mark Wilson May 15, 2015 1:00 am

The fossil above was found by Luke Kosowatz (’17) on our Sedimentology & Stratigraphy class field trip last month. We were measuring and sampling the Brassfield Formation (Early Silurian, Llandovery) near Fairborn, Ohio, and Luke pulled this beauty out of … Continue reading →

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Wooster’s Fossil of the Week: A Jurassic coral with beekite preservation from southern Israel

Mark Wilson May 8, 2015 12:42 am

This week’s fossil is again in honor of Annette Hilton (’17), now retired as my Sophomore Research Assistant this year. She has been assessing with great skill a large and diverse collection of scleractinian corals from the Matmor Formation in … Continue reading →

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Wooster’s Fossil of the Week: How to make brilliant acetate peels, with a Jurassic coral example

Mark Wilson May 1, 2015 12:52 am

My retiring Sophomore Research student, Annette Hilton (’17), is excellent at making acetate peels. These peels, like the one above she made from a mysterious Callovian (Middle Jurassic) coral, show fine internal details of calcareous fossils and rocks. This is … Continue reading →

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Wooster’s Fossil of the Week: A twisted scleractinian coral from the Middle Jurassic of southern Israel

Mark Wilson April 24, 2015 12:52 am

Another exquisite little coral this week from the collection of Matmor Formation (Middle Jurassic, southern Israel) corals Annette Hilton (’17) and I are working through. We believe this is Epistreptophyllum Milaschewitsch, 1876. It is a solitary (although more on that … Continue reading →

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Wooster’s Fossil of the Week: A tectonically-deformed Early Cambrian trilobite from southeastern California

Mark Wilson April 10, 2015 12:24 am

This wonderful trilobite was found last month by Olivia Brown (’15), a student on the Wooster Geology Department’s glorious field trip to the Mojave Desert. Olivia collected it at Emigrant Pass in the Nopah Range of Inyo County, southeastern California. … Continue reading →

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Wooster’s Fossil of the Week: A disturbingly familiar coral from the Middle Jurassic of southern Israel

Mark Wilson April 3, 2015 12:09 am

Our fossil this week is one I don’t share with my Invertebrate Paleontology classes until they’re ready for it. Those of us who grew up with Paleozoic fossils think we recognize it right away. Surely this is a solitary rugose … Continue reading →

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Wooster’s Fossil of the Week: An encrusted scleractinian coral from the Middle Jurassic of southern Israel

Mark Wilson March 27, 2015 1:38 am

This week’s fossil is in honor of Annette Hilton (’17), who is my Sophomore Research Assistant this year. She has been diligently working through a large and difficult collection of scleractinian corals from the Matmor Formation (Middle Jurassic, Callovian) of … Continue reading →

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Wooster’s Fossil of the Week: A bored and formerly encrusting trepostome bryozoan from the Upper Ordovician of Indiana

Mark Wilson March 20, 2015 1:20 am

The lump above looks like your average trepostome bryozoan from the Upper Ordovician. I collected it from the Whitewater Formation of the Cincinnatian Group at one of my favorite collecting sites near Richmond, Indiana. In this view you can just … Continue reading →

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Wooster’s Fossil of the Week: A new crinoid genus from the Silurian of Estonia

Mark Wilson March 13, 2015 1:50 am

It is my pleasure to introduce a new Silurian crinoid genus and species: Velocrinus coniculus Ausich, Wilson & Vinn, 2015. The image above is a CD-interray lateral view of the calyx (or head), with the small anal plate in the … Continue reading →

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