Tag Archives: Indiana

Wooster’s Fossil of the Week: A brachiopod with a heavy burden (Upper Ordovician of southeastern Indiana)

Yes, the above image doesn’t look much like a brachiopod, but just wait. We see a trepostome bryozoan with extended knobs and a few borings. Flip it over, though … … and we see that the bryozoan almost entirely covers … Continue reading

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Wooster’s Fossils of the Week: Atrypid brachiopods attached to a trepostome bryozoan from the Upper Ordovician of southern Indiana

This is a follow-up post to our entry on Christmas Day two weeks ago. Above is a trepostome bryozoan (the long porous piece) with specimens of the atrypid brachiopod Zygospira modesta clustered around it. They are positioned with their ventral … Continue reading

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Wooster’s Fossil of the Week: A conulariid revisited (Lower Carboniferous of Indiana)

This summer I’ve been updating some of the photos I placed in the Wikipedia system (check them out here, if you like; free to use for any purpose). I was especially anxious to replace a low-resolution image I had made … Continue reading

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Wooster’s Fossils of the Week: An encrusted bivalve external mold from the Upper Ordovician of Indiana

I love this kind of fossil, which explains why you’ve seen so many examples on this blog. We are looking at an encrusted external mold of the bivalve Anomalodonta gigantea found in the Waynesville Formation exposed in Franklin County, Indiana. … 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

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: Upper Ordovician bivalve bioimmured by a bryozoan

This week’s fossil is a simple and common form in the Cincinnatian Series (Upper Ordovician) of the Ohio, Indiana and Kentucky tri-state area. We are looking above at the base of a trepostome bryozoan that encrusted the outside of an … Continue reading

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Wooster’s Fossil of the Week: Thoroughly encrusted brachiopod from the Upper Ordovician of Indiana

Last week was an intensely bored Upper Ordovician bryozoan, so it seems only fair to have a thoroughly encrusted Upper Ordovician brachiopod next. The above is, although you would hardly know it, the ventral valve exterior of a common strophomenid … Continue reading

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Wooster’s Fossil of the Week: Bryozoan bored and bryozoan boring in the Upper Ordovician of Indiana

This week and next we will highlight fossils collected during our brief and successful expedition to the Upper Ordovician (Cincinnatian) of Indiana (with Coleman Fitch ’15) and Kentucky (with William Harrison ’15). We found what we needed to pursue some … Continue reading

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Ordovician bioerosion and encrustation project begins

RICHMOND, INDIANA–Meet Coleman Fitch (’15) standing on the iconic outcrop of the Whitewater Formation (Upper Ordovician) on Route 27 about a mile south of Richmond (C/W-148; N 39.78722°, W 84.90166° — which has a nice Google Maps street view). This … Continue reading

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Wooster paleontologists begin a new field season

RICHMOND, INDIANA–This is the first day of what upper midwesterners hilariously call “spring break”, so it is time to get some students in the field. I can’t say this is the first Wooster geology fieldwork of the year because that … Continue reading

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