How biostratigraphic correlation works (illustration by Alana McGillis) Methods of Biostratigraphy In this course, students learn about the stratigraphic ranges of organisms, how to use them for correlation and about the biostratigraphy of mass extinction events. Administrator Wolfgang Kiessling Instructors Wolfgang Kiessling Form45 minute seminar once a week. Credits2 ECTS Type Regular course EvaluationExam at the end of the semester, together with the Microfossils course. See course details on UnivIS. Register on StudOn.