Tag Archives: Miocene

Wooster’s Fossils of the Week: Large Miocene barnacles with bioimmurations from Maryland

Mark Wilson November 28, 2014 12:27 am

These two beautiful barnacles are from the Calvert Formation (Middle Miocene) exposed near Parker Creek in Maryland. They are likely of the genus Chesaconcavus. Barnacles are most unlikely crustacean arthropods, cousins of shrimp, crabs and lobsters. Most, like these above, … Continue reading →

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Wooster’s Fossil of the Week: A brontothere jaw fragment (Miocene of South Dakota)

Mark Wilson April 6, 2014 1:59 am

This fossil has been sitting in a glass case outside my office door for nearly three decades. Only this year — in the desire to find more Fossils of the Week — did I bother to open the cabinet and … Continue reading →

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Wooster’s Fossil of the Week: An agate-replaced coral from the Oligocene-Miocene of Florida

Mark Wilson March 2, 2014 1:42 am

I long thought of this beautiful specimen as more rock than fossil. It is a scleractinian coral that has had its outer skeleton replaced by the silicate material agate and its interior skeleton completely hollowed out. The result is a … Continue reading →

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Wooster’s Fossil of the Week: A terebratulid brachiopod from the Miocene of Spain

Mark Wilson September 29, 2013 1:18 am

These large brachiopods are of the species Terebratula maugerii Boni, 1933. They were found in Upper Miocene (Tortonian-Messinian) beds near Cordoba, Spain. Wooster acquired them through a generous exchange of brachiopods with Mr. Clive Champion in England. The specimen on … Continue reading →

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A day of geological exploration in the Negev: the Hazeva Formation (Lower Miocene)

Mark Wilson July 8, 2013 10:42 am

MITZPE RAMON, ISRAEL–It is a tradition with the Wooster Israel expeditions to spend one day with our colleague Yoav Avni geologically explore areas beyond those associated with our present research topics. This is the way we plant seeds for future … Continue reading →

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A Sicilian rocky coast

Mark Wilson June 5, 2013 11:55 pm

NOTO, SICILY, ITALY–Our last stop of the day on this International Bryozoology Association field trip was on the southeastern coast of Sicily just north of Syracuse at Scala Greca. There are several very small bays here which have been used … Continue reading →

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Spectacular shrimp burrows from the Miocene of Sicily

Mark Wilson June 5, 2013 10:14 pm

NOTO, SICILY, ITALY–The first stop on our International Bryozoology Association field trip today was a newly-opened quarry near Cugni di Rio in the dry southeastern countryside of Sicily, a view of which is above. New quarries are always interesting to … Continue reading →

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Wooster’s Fossils of the Week: Bivalve Borings (Upper Miocene of Spain)

Mark Wilson October 28, 2012 1:50 am

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 →

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Wooster’s Fossil of the Week: a cameloid footprint (Miocene of California)

Mark Wilson August 19, 2012 1:39 am

This fossil is from near my hometown of Barstow, California. It was collected many years ago loose in talus from the Barstow Formation (Barstovian, Miocene). I note this carefully because today collecting such specimens from the Fossil Beds of the … Continue reading →

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Last day of 2012 fieldwork in Israel by Wooster Geologists

Mark Wilson March 18, 2012 3:07 pm

MITZPE RAMON–Today we finished our exploration of the Upper Cretaceous near Mitzpe Ramon, and then met some old friends for a different project near Ar’arat an-Naqab in the northernmost part of the Negev. This gave me the chance to take … Continue reading →

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