Walter Medley Tattersall (8 November 1882 – 5 October 1943) was a British zoologist and marine biologist, famous for his study of mysids.
Subsequently, he worked as a naturalist for the Irish Fisheries Department under Ernest William Lyons Holt, where he began his studies of crustaceans.
[1] During World War I, he served as a private in Flanders and France, where he was wounded and gassed in 1918.
[1] He was highly respected as a teacher in zoology and marine biology and also as a field researcher and taxonomist.
Tattersall has an impressive publication record; he is the taxonomic authority for a large number of crustaceans, in particular of mysids and euphausiids.