English Protastacus Cited by user Olmagon on 13 Dec 2023 Protastacus is an extinct genus of decapod crustaceans that lived during the early Cretaceous period.
English Martin Burkenroad Cited by user Stemonitis on 15 May 2012 Martin David Burkenroad (March 20, 1910 – January 12, 1986) was an American marine biologist.