Ancient Fossils Reveal Radula Evolution

[Oxytropidoceras]

From the mouths of molluscs -- ancient snail relative

found, Physorg, August 22, 2012

http://phys.org/news...ient-snail.html

Ancient Fossils Reveal How the Mollusc Got Its Teeth

ScienceDaily, August 22, 2012

http://www.scienceda...20822125212.htm

Odontogriphus - http://en.wikipedia.org/wiki/Odontogriphus

Wiwaxia - http://en.wikipedia.org/wiki/Wiwaxia

The paper is:

Smith, M. R., 2012, Mouthparts of the Burgess Shale

fossils Odontogriphus and Wiwaxia: implications for

the ancestral molluscan radula. Proceedings of the

Royal Society B: Biological Sciences. Published online

before print August 22, 2012.

http://rspb.royalsoc.../rspb.2012.1577

Best wishes,

Paul H.

[Scylla]

Ha! beat me to it

well here's one more:

http://www.vancouversun.com/travel/Canadian+researcher+solves+mystery+mollusk+origin/7144491/story.html