Researchers reanalyzing 15-million-year-old fossils unearthed in California over a century ago have described a new sperm whale genus: Albicetus, after the toothy white leviathan of Herman ...

Of the many sperm whales (Physeteridae) that existed during the Miocene, today only three species remain: Physeter macrocephalus (Giant Sperm whale), Kogia sima (Dwarf sperm whale), and Kogia ...