Jean-Nicolas Boulay (11 June 1837, Vagney – 19 October 1905, Lille) was a French clergyman, bryologist and paleobotanist.
Abramo Bartolommeo Massalongo, Italian paleobotanist and lichenologist; father of Caro Benigno Massalongo
Arthur Bache Walkom (1889–1976), Australian paleobotanist and museum director
Gustav Adolf Zwanziger (1837–1893), Austrian journalist, botanist, and paleobotanist
While collecting fossils in the Clarno Formation of Oregon during 1941, noted paleobotanists Alonzo W. Hancock and Chester A. Arnold recovered the most complete Zygolophodon skull known at the time.