"Saki" (Hector Hugh Munro) .
The pen name of author Barbara Vine is Ruth Rendell.
The term is pen name.
A pen name is a pseudonym used by an author. Lamb is a type of meat from young sheep, not necessarily associated with a pen name.
Pseudonym
The pen name of Samuel Clemens was Mark Twain.
Uses a pen-name (or allonym).
Dmitri Nabokov's pen name is Véra; he is the son of the famous author Vladimir Nabokov.
Lemony Snickety is a pen name. The author's real name is Daniel Handler.
Hector Hugh Munro.
BIC
Dr. Seuss was the pen name of author Theodor Seuss Geisel. He also used the name of Theo Le Seig.
Dr. Seuss was the pen name of Theodore Geisel.