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Not direct descendants of Puijila
- Today’s seals and sea lions are not direct descendants of Puijila, but the otter-like mammal represents what pinniped ancestors were like at one point in the distant past. Paleontologists know this because rock layers of about the same age—about 24 million years old—as Puijila contain the remains of the early pinniped Enaliarctos.
www.smithsonianmag.com/science-nature/why-did-seals-and-sea-lions-never-commit-to-a-life-fully-at-sea-180983926/Why Did Seals and Sea Lions Never Commit to a Life Fully at ...
Apr 22, 2009 · Researchers have founds several intermediate fossils that trace the transition from land to water in whales and manatees, but they have no such record for pinnipeds--seals, sea lions, and walruses.
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.
Apr 22, 2009 · (PhysOrg.com) -- Researchers from the United States and Canada have found a fossil skeleton of a newly discovered carnivorous animal, Puijila darwini. New research suggests Puijila is a "missing...
- Science X
This suggests that Puijila swam quadrupedally using its webbed fore and hind feet for propulsion. Phylogenetic studies including molecular evidence suggest a sister relationship between seals, bears and musteloids (weasels and otters).
Apr 23, 2009 · Seals, sea lions and the walrus (collectively the pinnipeds) evolved from land-living carnivores, but the earliest known pinniped, Enaliarctos, already had flippers.
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Are seals and sea lions descendants of Puijila?
Was Puijila an ancestor of modern seals?
Was Puijila a direct ancestor?
Is Puijila darwini The Missing Link in the evolution of pinnipeds?
What did Puijila's discovery tell us about the earliest seals?
Is Puijila a skeleton of a pinniped?
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 the...
