Category Archives: Uncategorized

A new paper on symbiosis between brachiopods and bryozoans in the Late Ordovician of Estonia

Mark Wilson February 10, 2023 7:56 am

I’m pleased to announce another paper has appeared from our ongoing Estonian-German-American collaboration on symbiosis in the fossil record. The beautiful specimen above is the trepostome bryozoan Esthoniopora subsphaerica growing around a bioclaustration, forming a distinctive tube (Katian, Rakvere, northern … Continue reading →

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The delightful Fall 2022 Paleoecology class at Wooster

Mark Wilson December 13, 2022 2:20 pm

I was so impressed with the post by Professor Greg Wiles about his Fall 2022 Geomorphology class that I decided to highlight the Fall 2022 Paleoecology class as well. It was a great group of students, and we did an … Continue reading →

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Local Geomorphology and What We Learned

gwiles December 8, 2022 12:19 pm

This is a post outlining some of the work we did in Wooster’s class in Geomorphology. One of the early labs was Browns Lake Bog and the Soil Catena. The landforms in the area are spectacular – here is a … Continue reading →

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Paleoecology field trip to the Upper Ordovician of eastern Indiana: Haven’t done this for awhile!

Mark Wilson September 4, 2022 10:58 pm

Richmond, Indiana — Today Nick Wiesenberg (our invaluable geological technician), Brianna Lyman (my excellent Teaching Assistant), and I took the 15 students in the Paleoecology course to the fossiliferous Upper Ordovician of eastern Indiana (upper Whitewater Formation). It’s a location … Continue reading →

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Who knew that crinoids could be boring? A possible bioeroding crinoid attachment structure from the early Silurian of Estonia (new paper)

Mark Wilson August 20, 2022 4:17 pm

Our hard-working and observant Estonian colleagues (Olev Vinn and Ursula Toom) recently made a remarkable discovery among Estonian early Silurian fossils: an attachment structure of a stalked crinoid that apparently bioeroded its way into a calcitic stromatoporoid skeleton. There’s a … Continue reading →

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Ten Days in Glacier Bay National Park and Preserve

gwiles July 17, 2022 1:56 am

After spending a day in Juneau gearing up, we flew over to Gustavus, Alaska and then got a ride to Bartlett Cove in Glacier Bay National Park and Preserve. We then rented kayaks and headed into Glacier Bay. Shortly after … Continue reading →

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Wooster’s Fossils of the Week: Lingulid brachiopod trace fossils from the Middle Jurassic Carmel Formation of southwestern Utah

Mark Wilson July 7, 2022 12:48 am

This is a short trace fossil story with two disappointments, one much more than the other. It involves trace fossils made by lingulid brachiopods, a marine invertebrate group with a very long geological history. The earliest appeared in the Cambrian, … Continue reading →

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Alaska Day 5 – Juneau

gwiles July 4, 2022 2:57 pm

There are two legs to the project this summer. Lilly and Fred are headed back to the Wooster Tree Ring Lab with samples from Kake and Jacob and Jack have arrived. Jack, Jacob, Nick and I will now travel to … Continue reading →

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Alaska Day 4

gwiles July 1, 2022 9:08 pm

A view from the porch of the Forest Service cabin out into the Sound. Day 4 started in the intertidal zone at low tide. Identification of the various intertebrates included the limpet above. This large cockle was squirting water through … Continue reading →

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Alaska Day 3

gwiles July 1, 2022 2:48 pm

Coring the furthest north stand of Western Redcedar (Thuja plicata). Celebrating another successful core extraction by Siah. Banana slug on the forest floor. Mounting the redcedar cores at the Forest Service cabin. Also examining cores taken in previous years. Long … Continue reading →

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