Thomas A. Hegna
Univ of Iowa, Iowa City, IA
Activity
2004
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REDUCED BIOFACIES DIFFERENTIATION IN SILURIAN TRILOBITE FAUNAS OF LAURENTIA
69 Paleontology IV: Mass Extinctions and Their ConsequencesMonday, 8 November 20048:00 AM - 12:00 PM
2003
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EARLY SILURIAN TRILOBITES FROM NORTHEASTERN MISSOURI
9 Paleontology and Paleobotany (Posters)Monday, 24 March 20031:00 PM - 4:30 PM