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Tag Archives: Ordovician
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
Wooster’s Fossil of the Week: Tiny atrypid brachiopods from the Upper Ordovician of southern Ohio
These exquisite little brachiopods are among the most abundant fossils in the Upper Ordovician of the Cincinnati area. My Invertebrate Paleontology students collected dozens of them from the Waynesville Formation on our field trip to Caesar Creek Lake last semester. … Continue reading
Wooster’s Fossil of the Week: A tabulate coral from the Upper Ordovician of southern Ohio
We have here another fossil collected by a Wooster student on the August 2015 College of Wooster Invertebrate Paleontology field trip to Caesar Creek Lake, Ohio. Eduardo Luna picked up this specimen of the tabulate coral Calapoecia huronensis (Billings, 1865) … Continue reading
Wooster’s Fossil of the Week: A common trilobite from the Upper Ordovician of Ohio
This beautiful specimen was collected by Wooster student Eve Caudill on this year’s College of Wooster Invertebrate Paleontology field trip to Caesar Creek Lake, Ohio. It is the iconic trilobite Flexicalymene meeki (Foerste, 1910) from a soft, “buttery” shale in … Continue reading
Wooster’s Fossil of the Week: A spherical bryozoan from the Upper Ordovician of northeastern Estonia
Way back in July 2007 we had our first Team Estonia doing geological field research. Andrew Milligan (’08) and I, with our friend Dr. Olev Vinn of the University of Tartu, explored the Upper Ordovician of the northeastern part of … Continue reading
Wooster’s Fossil of the Week: A starry bryozoan from the Upper Ordovician of southern Ohio
At this time of the year I pick out one interesting specimen from the fossils my Invertebrate Paleontology class collected on their first field trip into the Upper Ordovician of southern Ohio. They did so well this week that I … Continue reading
Wooster Paleontologists return to Caesar Creek Lake
Ohio is a wonderful place for paleontologists. One of the reasons is the thick, productive set of Upper Ordovician rocks that are exposed in the southwest of the state in and around Cincinnati. It is an easy drive south from … Continue reading
Wooster’s Fossil of the Week: Small and common orthid brachiopods from the Upper Ordovician of Ohio
One of the many benefits of posting a “Fossil of the Week” is that I learn a lot while researching the highlighted specimens. I not only learn new things, I learn that some things I thought I knew must be, … Continue reading
Wooster’s Fossils of the Week: An Upper Ordovician cave-dwelling bryozoan fauna and its exposed equivalents
This week’s fossils were the subject of a presentation at the 2015 Larwood Symposium of the International Bryozoology Association in Thurso, Scotland, last month. Caroline Buttler, Head of Palaeontology at the National Museum Wales, Cardiff, brilliantly gave our talk describing … Continue reading
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Tagged Fossil of the Week, fossils, hardgrounds, Kentucky, Ordovician
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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