Tag Archives: fossils

Wooster’s Fossils of the Week: Barnacle borings from the Cretaceous of southwestern France

Mark Wilson November 24, 2017 12:01 am

Small comma-shaped trace fossils this week in a Cretaceous (Upper Campanian) oyster (Pycnodonte vesicularis) from the Aubeterre Formation of southwestern France. (Locality C/W-747, Plage des Nonnes, to be exact.) These are borings produced by barnacles, which are sedentary crustaceans more … Continue reading →

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Wooster’s Fossils of the Week: Encrusting cyanobacteria from the Upper Ordovician of the Cincinnati region — now published

Mark Wilson November 17, 2017 12:01 am

[This week’s post is a repeat from last year, with some modifications. The paper Paul Taylor and I wrote on these microbial beauties has just appeared this week in the latest issue of the journal Palaios. A pdf is yours … Continue reading →

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Wooster’s Fossil of the Week: A Middle Jurassic trace fossil from southwestern Utah

Mark Wilson November 10, 2017 12:01 am

Time for a trace fossil! This is one of my favorite ichnogenera (the trace fossil equivalent of a biological genus). It is Gyrochorte Heer, 1865, from the Middle Jurassic (Bajocian) Carmel Formation of southwestern Utah (near Gunlock; locality C/W-142). It … Continue reading →

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Wooster’s Fossils of the Week: The tiniest of brachiopods (Middle Jurassic of Utah)

Mark Wilson November 3, 2017 12:01 am

While preparing for this summer’s expedition to the Middle Jurassic of southwestern Utah, I found this specimen in our collection from the 1990s. You may be able to just make out the wedge-shaped outline of a mytilid-like bivalve with several … Continue reading →

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Wooster’s Fossils of the Week: Bryozoan encrusting a bryozoan (Campanian of southwestern France)

Mark Wilson October 27, 2017 12:01 am

Today’s post is in honor of Macy Conrad’s (Wooster ’18) poster at the annual meeting of the Geological Society of America, which was held earlier this week. It is also to recognize again the Scanning Electron Microscopy (SEM) genius of … Continue reading →

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Wooster’s Fossils of the Week: Foraminifera clustered around a sponge boring (Campanian of southwestern France)

Mark Wilson October 20, 2017 12:01 am

If all goes to plan, today I leave for the Annual Meeting of the Geological Society of America, held this year in Seattle, Washington. To mark the occasion, this week’s fossil is from a poster Macy Conrad (’18), Paul Taylor … Continue reading →

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Wooster’s Fossils of the Week: “Ghosts” in the Upper Ordovician of Kentucky

Mark Wilson October 13, 2017 12:01 am

This year Caroline Buttler (Department of Natural Sciences, Amgueddfa Cymru – National Museum Wales) and I had a great project describing a cave-dwelling fauna in the Upper Ordovician of northern Kentucky. We hope that work will appear soon in the … Continue reading →

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Wooster’s Fossil of the Week: A terebratulid brachiopod from the Upper Cretaceous of southwestern France

Mark Wilson October 6, 2017 12:01 am

Yes, we’ve had a run of French Cretaceous fossils here. This is because we’re in the midst of a major project stemming from summer fieldwork in the Type Campanian of southwestern France. The fossils are delicious, and they are before … Continue reading →

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Wooster’s Fossils of the Week: An oyster reef from the Middle Jurassic of southwestern Utah

Mark Wilson September 29, 2017 12:01 am

It was a pleasure to pull this massive specimen out of the cabinets, where it had been sitting for more than 20 years. It is a small reef of the oyster Liostrea strigilecula (White, 1877) from the Carmel Formation (Middle Jurassic) … Continue reading →

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Wooster’s Fossils of the Week: Chaetetids from the Upper Carboniferous of Liaoning Province, North China

Mark Wilson September 22, 2017 12:01 am

Three years ago I had a short and painful trip to China to meet my new colleague and friend Yongli Zhang (Department of Geology, Northeastern University, Shenyang). The China part was great; the pain was from an unfortunately-timed kidney stone … Continue reading →

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