02-20-2013, 09:37 PM
That's certainly the ones I was thinking of, see the articles on Didyma and the Branchidae by Parke and Hammond. I too very much doubt it happened by the way.
http://www.jstor.org/stable/631522
http://www.jstor.org/stable/639826
http://www.jstor.org/stable/631522
http://www.jstor.org/stable/639826
Jass