Portal:Crustaceans/Did you know/18


 * ... that the pill bug Armadillidium vulgare (pictured) can reach population densities of 10,000 per square metre?
 * ... that the extinct crab Metacarcinus starri from Washington state is related to the graceful rock crab?
 * ... that the extinct prawn Aciculopoda, described in 2010, is the third unambiguous fossil decapod from before the Mesozoic?
 * ... that Mary J. Rathbun described over 1000 new crustacean taxa, but never attended college, and received a Ph.D. only after she retired?