Sentences with phrase «mysticete whale»
In September 2014, the same international team of researchers, guided by Giovanni Bianucci from Pisa University (Italy), found a partial skeleton of a mysticete whale in a rock boulder.
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«The skull of this species indicates that it split off very early in mysticete whale evolution, and our analyses confirm that evolutionary position,» Geisler says.
SWFSC scientists are also using fisheries acoustic technologies to measure the distribution and density of prey being exploited by foraging mysticete whales involved in behavioral studies.
Not exact matches
However, the newly described whale has teeth, so the paleontologists dubbed it Mystacodon, meaning «toothed mysticete.»
The specimen, which researchers unearthed in the Pisco Basin in southern Peru, is the oldest known member of the mysticete group, which includes the blue whale, the humpback whale, and the right whale.
Based on the age of nearby rocks, the scientists estimate that the Arktocara fossil comes from the late Oligocene epoch, around the time ancient whales diversified into two groups — baleen whales (mysticetes) and toothed whales (odontocetes).
Thus, when the filter - feeding mysticetes (which includes the blue whale) began scooping krill from the water, they essentially excluded other lineages from this niche.
Earliest mysticete from the late Eocene of Peru sheds new light on the origin of baleen whales.
The fossil is the oldest known mysticete, a group that includes baleen whales, such as humpbacks, researchers report in the May 22 Current Biology.
But at some point during whale history, the ancestors of modern mysticetes replaced teeth with baleen, fibrous plates that filter out small bits of food from seawater like a giant sieve.
Lambert and his colleagues will be looking for more ancient whales to further flesh out the story of early mysticetes.
One example is the Western Atlantic Passive Acoustics analysis of mysticetes, or baleen whales, (WAPAW).
The baleen whales (or mysticetes) are the other group of cetaceans.