Orchestia
noun
Or·ches·tia
ȯ(r)ˈkestēə
: a genus (the type of the family Orchestiidae) of semiterrestrial amphipod cructaceans comprising the widely distributed beach fleas of sandy seacoasts
Word History
Etymology
New Latin, from Greek orchēstēs dancer (from orcheisthai to dance, leap) + New Latin -ia