The cetacean nose presents a unique suite of anatomical modifications. Key among these is
posterior movement of the external nares from the tip of the rostrum to the top of the head …

The emergence of Cetacea in the Paleogene represents one of the most profound
macroevolutionary transitions within Mammalia. The move from a terrestrial habitat to a …

Cetaceans (whales, dolphins, and porpoises) have fascinated and bewildered humans
throughout history. Their mammalian affinities have been long recognized, but exactly which …

Many modifications to the mammalian bauplan associated with the obligate aquatic lives of
cetaceans—fusiform bodies, flukes, flippers, and blowholes—are evident at a glance. But …

Background Cetacea (dolphins, porpoises, and whales) is a clade of aquatic species that
includes the most massive, deepest diving, and largest brained mammals. Understanding …

The world's river dolphins (Inia, Pontoporia, Lipotes and Platanista) are among the least
known and most endangered of all cetaceans. The four extant genera inhabit geographically …

The four species of “river dolphins” are associated with six separate great river systems on
three subcontinents and have been grouped for more than a century into a single taxon …

A cladistic analysis of 54 extant and extinct cetacean taxa scored for 304 morphological
characters supports a monophyletic Odontoceti, Mysticeti, Autoceta, and Cetacea. Forcing a …

SINE (short interspersed element) insertion analysis elucidates contentious aspects in the
phylogeny of toothed whales and dolphins (Odontoceti), especially river dolphins. Here, we …

Cetaceans have a long history of commitment to a fully aquatic lifestyle that extends back to
the Eocene. Extant species have evolved a spectacular array of adaptations in conjunction …