When the team conducted phylogenetic analyses with other fossil and living members of the sperm whale superfamily, Physeteroidea, they found that Albicetus is a stem physeteroid – suggesting ...

Physeteroidea Kogiidae The sperm whale family, or sperm whales, is a common name for the family Physeteridae or superfamily Physeteroidea.

The sperm whale is one of three whales that belongs to the Physeteroidea family. It is the last remaining whale that belongs to the Physeter genus. The sperm whale is also the largest toothed whale ...

A giant megalodon shark may have broken a whale's back in a vicious attack around 15 million years ago, according to a study. The paper, published in the journal Palaeontologia Electronica ...

For cetaceans, they support the monophyly of Physeteroidea + Kogiidae, Delphinidae, Monodontidae + Phocoenidae, and Ziphiidae among odontocete taxa, with Physeteroidea as the most basal clade of ...

NMFS has received a request from the Municipality of Skagway (MOS) for authorization to take marine mammals incidental to reconstructing the existing ore dock in Skagway Harbor, Alaska, referred to as ...

The amazing sperm whale ?with the biggest brain, loudest sound and deepest dives in the animal kingdom ?are at serious risk from the oil in the Gulf. They're the only endangered marine mammals in the ...

NPR’s Alex Chadwick takes us aboard the schooner “Odyssey” on which scientists are looking for sperm whales and what they have to tell us about what chemicals are doing to the oceans.

Lacking a functional upper dentition, it relies on suction for catching its prey3; in contrast, several smaller Miocene sperm whales (Physeteroidea) have been interpreted as raptorial (versus ...