Joachim Barrande
Joachim Barrande

* August 11, 1799 – October 05, 1883 †

France

Conulariidae

Collected Conulariidae and identified Aulacopleuridae

Heinrich Ernst Beyrich
Heinrich Ernst Beyrich

* August 31, 1815 – July 09, 1896 †

Kingdom of Prussia; German Reich

Collected Spiriferidae and identified Lichidae

Collected Arcidae and identified Eurypteridae

Werner Dietrich

* 1938 – February 01, 2011 †

Asteraceae

Collected Asteraceae and identified Onagraceae

Collected Parmeliaceae and identified Acanthaceae

Collected Gryphaeidae and identified Limopsidae

Ellis L. Yochelson

* November 14, 1928 – August 20, 2006 †

United States

Ostreidae

Collected Ostreidae and identified Eotomariidae