A. manni, picture courtesy of C. Mah Post from Chris Mah, purveyor of all echinoderm.  Dr. Christopher Mah is a NSF Postdoctoral Fellow at the Smithsonian National Museum of Natural History.  He obtained his Ph.D. from the University of Illinois and conducts reasearch on the biodiversity, biogeography, evolution, and ecology of Asteroidea.  Despite his short . . . → Read More: The Sand Dollar Love Shack: A Special Echinoblog to DSN