A humpback whale and her baby are submerged in Pacific off of the Maui Island. Humpback whales are a descendant of baleen whales like the one foudn in the study.
Photograph by Wolcott Henry, National Geographic Creative
Fossil preparator Andrew Grebneff works on the Toipahautea waitaki specimen.
Photograph by R Ewan Fordyce
Workers get ready to recover the Toipahautea waitaki fossil at the Hakataramea Quarry during fieldwork supported by the National Geographic Society.
Photograph by R Ewan Fordyce