"purse crab." YourDictionary, n.d. Web. 18 December 2018. <https://www.yourdictionary.com/purse-crab>.
purse crab. (n.d.). Retrieved December 18th, 2018, from https://www.yourdictionary.com/purse-crab
Either of two sand-dwelling brachyuran crabs (Persephona mediterranea or P. punctata) of the US Atlantic coast, the Gulf of Mexico, and the West Indies, having a rounded body and, in the female, a purselike chamber for eggs.