Portal:Crustaceans/Did you know/18
Appearance
![Conglobated Armadillidium vulgare (Isopoda: Armadillidiidae)](http://upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Slater_rolled_up_for_wiki.jpg/120px-Slater_rolled_up_for_wiki.jpg)
- ... 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?