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Puijila darwini was a semi-aquatic carnivore which represents a morphological link in early pinniped evolution. Its fossil shows enlarged, probably webbed [3] feet, robust forelimbs and an unspecialized tail. This suggests that Puijila swam quadrupedally using its webbed fore and hind feet for propulsion. Phylogenetic studies including ...
Mar 20, 2024 · Rather than being a direct pinniped ancestor, then, Puijila likely represents the form of earlier pinniped forerunners. Today’s seals and sea lions are not direct descendants of Puijila, ...
- Riley Black
Apr 22, 2009 · The newfound species, dubbed Puijila darwini, might be the long-sought missing link in the evolution of pinnipeds — a group that includes modern seals, sea lions and walruses — explaining how ...
Apr 22, 2009 · Puijila is a massive boon for biologists trying to understand the evolution of pinnipeds, the group that includes seals, sea lions and walruses. It's not itself a direct ancestor, having branched off the evolutionary path that led to modern pinnipeds. It did, however, retain many of the same features that a direct ancestor would have had.
Apr 22, 2009 · Puijila's fossilized remains were found in 2007 and 2008. Its Arctic location was "completely unexpected" because most scientists believed pinnipeds evolved on the west coast of North America ...
Apr 22, 2009 · The 23 million-year-old creature was not a direct ancestor of today's seals, sea lions and walruses, a group known collectively as pinnipeds. ... They named the creature Puijila darwini ("pew-YEE ...
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Is Puijila a direct ancestor of pinnipeds?
Was Puijila a direct ancestor?
Is Puijila a skeleton of a pinniped?
Is Puijila darwini The Missing Link in the evolution of pinnipeds?
Was Puijila an ancestor of modern seals?
Was Puijila a transitional fossil?
Apr 22, 2009 · Puijila is a massive boon for biologists trying to understand the evolution of pinnipeds, the group that includes seals, sea lions and walruses. It’s not itself a direct ancestor, having ...