A Long-Ago Ancestor: A Little Fish, With Jaws to Come
A Long-Ago Ancestor: A Little Fish, With Jaws to Come
by Carl Zimmer, New York Times, June 11, 2014
http://www.nytimes.com/2014/06/12/science/a-long-ago-ancestor-a-little-fish-with-incipient-jaws.html
New fossil find pinpoints the origin of jaws in vertebrates
PhysOrg, June 11, 2014
http://phys.org/news/2014-06-fossil-jaws-vertebrates.html
Chew On This Fantastic New Fossil by Jane Hu, Slate
http://www.slate.com/blogs/wild_things/2014/06/11/new_fossil_shows_evolution_of_jaws_metaspriggina_gill_arches_from_the_burgess.html
The paper is:
Morris, S. M., and J.-B. Caron, 2014, A primitive fish
from the Cambrian of North America. Nature, Published
online 11 June 2014http://www.nature.com/nature/journal/vaop/ncurrent/full/nature13414.html
Additional web pages:
Metaspriggina, Wikipedia,
https://en.wikipedia.org/wiki/Metaspriggina
Metaspriggina walcotti, The Burgess Shale, Royal
Ontario Museum http://burgess-shale.rom.on.ca/en/fossil-gallery/view-species.php?id=81
Yours,
Paul H.