Erayga "branchiopodous" waa tilmaame tilmaamaya ama qeexaya noolaha leh qaab-dhismeedka gill-u eg (loo yaqaan branchiae ama branchia) ee lugaha ama lugaha. Eraygan waxa caadi ahaan loo adeegsadaa bayoloji si loo qeexo noocyada qaar ee ka mid ah godadka biyoodka sida shrimp cirfiid, boodada biyaha, iyo shrimp-ka brine kuwaas oo leh qaababkan u eg gill ee lifaaqyadooda si ay u fududeeyaan neefsiga biyaha.