The following is an archived discussion of the DYK nomination of the article below. Please do not modify this page. Subsequent comments should be made on the appropriate discussion page (such as this nomination's talk page, the article's talk page or Wikipedia talk:Did you know), unless there is consensus to re-open the discussion at this page. No further edits should be made to this page.
... that Ulmus chuchuanus(pictured) had to be renamed due to another fossil already having the first name? Source: Dillhoff and Denk (2005) page 1674 "Remarks" section re:Penhallow 1908