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Chapin Professor of Geology J. Mark Erickson recently had research in two different areas of paleontology published in scholarly journals.

A paper co-authored with David Waugh '00 and Rob Crawford, both graduate students at Kent State University, and titled "Two growth forms of Heterotrypa Nicholson, 1879, (Bryozoa: Trepostomata) from the type-Cincinnatian: Putting the pieces back together," appeared in The Compass, the journal of the Earth sciences honor society. It discussed work begun while Waugh was writing his senior thesis in geology at St. Lawrence, work which has led to new discoveries in the last few years. More of these will be presented by Erickson and Waugh at the Geological Society of America Meetings in October.

A second paper, co-authored with J.W. Hoganson of the North Dakota Geological Survey, and titled "A new species of Ischyodus (Holocephali:Callorhynchidae) from upper Maastrichtian shallow marine facies of the Fox Hills and Hell Creek formations, Williston Basin, North Dakota, USA," appeared in the British journal Palaeontology. The paper describes a new species of fossil fish that was named in honor of Ray Haas of Solen, ND, who has often hosted St. Lawrence geology students when they do field work in the region.

 

Posted: September 8, 2005