Osedax: bone-eating marine worms with dwarf males.

  title={Osedax: bone-eating marine worms with dwarf males.},
  author={Gregory W Rouse and Shana K Goffredi and Robert C. Vrijenhoek},
  volume={305 5684},
We describe a new genus, Osedax, and two new species of annelids with females that consume the bones of dead whales via ramifying roots. Molecular and morphological evidence revealed that Osedax belongs to the Siboglinidae, which includes pogonophoran and vestimentiferan worms from deep-sea vents, seeps, and anoxic basins. Osedax has skewed sex ratios with numerous dwarf (paedomorphic) males that live in the tubes of females. DNA sequences reveal that the two Osedax species diverged about 42… CONTINUE READING
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