Before revision: Pacific White-side dolphin (Lagenorhynchus obliquidens) at Gulf of the Farallones National Marine Sanctuary Gray's Paradox is a paradox posed in 1936 by British zoologist Sir James Gray.
After revision: Pacific white-side dolphin (Sagmatias obliquidens) at Gulf of the Farallones National Marine Sanctuary Gray's Paradox is a paradox posed in 1936 by British zoologist Sir James Gray.