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- A Tradition Continues: Richmond, Indiana – Paleoecology, Fall 2025
- Muscle scars in tiny conical fossils: A new paper describing the musculature of Devonian tentaculitids from Armenia and what they mean for the biology and evolution of the group
- Possible Linkages Between Climate and Human History in Ohio (the 4.2 yr. ka interval)
- A spotty Middle Ordovician trilobite from Estonia: A new paper describing an ancient parasitic infection
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Tag Archives: Fossil of the Week
Wooster’s Fossil of the Week: A new crinoid species from the Middle Jurassic of southern Israel
About a year ago I showed my good friend Bill Ausich (The Ohio State University) hundreds of crinoid pieces from the Matmor Formation (Jurassic, Callovian) exposed in Hamakhtesh Hagadol, southern Israel. We knew the crinoid represented by all these pieces … Continue reading
Wooster’s Fossil of the Week: Birch wood with beetle borings (Oligocene of Oregon)
We may be at the Geological Society of America annual meeting today, but that doesn’t stop Fossil of the Week! This week’s fossil is a beautifully-detailed piece of petrified birch wood (Betula) with tree rings and insect borings throughout. It … Continue reading
Posted in Uncategorized
Tagged Fossil of the Week, fossils, ichnology, Oligocene, Oregon, tree, tree ring, wood
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Wooster’s Fossils of the Week: Bivalve Borings (Upper Miocene of Spain)
This beautiful object has a complex history. In the center is a gray limestone cobble that eroded from an underwater ridge and rolled free on a shallow coral reef in an area now near Abanilla, southeastern Spain. It was encrusted … Continue reading
Posted in Uncategorized
Tagged Fossil of the Week, fossils, ichnology, Miocene, Spain
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Wooster’s Fossils of the Week: Silicified sclerobionts (Middle Permian of southwestern Texas)
During my work at the National Museum of Natural History last week, I had my research desk amongst the many cabinets housing the famous Permian brachiopod collection made by the eminent paleontologist Richard E. Grant (1927–1995). Most of these specimens … Continue reading
Wooster’s Fossil of the Week: A spiriferid brachiopod (Middle Devonian of northwestern Ohio)
I begin my Invertebrate Paleontology course by giving each student a common fossil to identify “by any means necessary”. This year I gave everyone a gray little brachiopod, one of which is shown above. They did pretty well. Kevin Silver … Continue reading
Wooster’s Fossils of the Week: Giant ostracods (Silurian of Estonia)
During our Estonian expedition this summer, Richa Ekka (’13) chose as her Independent Study project focus the Soeginina Beds (lowermost Ludlow, Upper Silurian) of the Paadla Formation exposed in southeastern Saaremaa Island. These carbonate sediments, mostly dolomitized, were deposited in … Continue reading
Wooster’s Fossils of the Week: Beautiful molds on a concretion (Lower Carboniferous of Ohio)
Kit Price (’13) was exploring a local creek on a Geomorphology course field trip north of Wooster led by Dr. Greg Wiles. Like the excellent paleontologist Kit is, her eyes continually searched the pebbles, cobbles, slabs and outcrops for that … Continue reading
Wooster’s Fossil of the Week: a deformed brachiopod (Upper Ordovician of Indiana)
Kevin Silver (’13), a sharp-eyed paleontology student, found this odd brachiopod on our field trip earlier this month in southeastern Indiana. It comes from the Upper Ordovician (Katian) Whitewater Formation. Kevin correctly identified it as Vinlandostrophia acutilirata (Conrad, 1842), an … Continue reading
Wooster’s Fossils of the Week: a little sclerobiont community (Upper Ordovician of Indiana)
Last week the students of my Invertebrate Paleontology class found many excellent fossils in the Whitewater and Liberty Formations of southeastern Indiana. We will be featuring some of them in this space. I want to start with one of my … Continue reading
Wooster’s Fossil of the Week: a twisted little crinoid (Lower Silurian of Estonia)
This week’s fossil is a tiny little crinoid with an odd shape. Calceocrinus balticensis (shown above with the scale bar as one millimeter) is a new species from the Lower Silurian (Llandovery) of Hiiumaa, western Estonia. It is part of … Continue reading