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Latest Chordates Stories

505 Million Year Old Fossil Linked To Humans
2012-03-06 14:15:10

A team of researchers have discovered that a 505 million-year-old fossil is actually an ancient relative to humans. Researchers from the University of Cambridge, University of Toronto and the Royal Ontario Museum (ROM) confirmed that the extinct Pikaia gracilen found in Burgess Shale fossil beds in Canada's Yoho National Park is the most primitive form of all known vertebrates, including humans. Pikaia was first described by American paleontologist Charles Doolittle Walcott in 1911 as a...

6cbd406106221f07485f70a08dc39a9a1
2008-06-19 10:20:00

Ancestor to all chordates, including the vertebrates, confirms 40-year-old theory The newly sequenced genome of a dainty, quill-like sea creature called a lancelet provides the best evidence yet that vertebrates evolved over the past 550 million years through a four-fold duplication of the genes of more primitive ancestors. The late geneticist Susumu Ohno argued in 1970 that gene duplication was the most important force in the evolution of higher organisms, and Ohno's theory was the basis for...


Word of the Day
bibliopole
  • A bookseller; now, especially, a dealer in rare and curious books.
This word comes from a Greek phrase meaning 'book seller.'
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