Erayga "Homarus" dhab ahaantii waa isir ka mid ah qolof badeed oo ay ku jiraan noocyada aargoosatada waaweyn ee la cuni karo, sida lobster American (Homarus americanus) iyo lobster Yurub (Homarus gammarus). Magaca "Homarus" wuxuu ka yimid ereyada Giriigga "homoios" oo macneheedu yahay "isku mid" iyo "oura" oo macneheedu yahay "dabo," isagoo tixraacaya xaqiiqda ah in aargoosatada shanta lamaane ee hore ee lugaha ay dhammaantood isku mid yihiin qaabka iyo shaqada, si ka duwan labadii hore ee ugu dambeeyay. kuwaas oo ka weyn oo wax laga beddelay si loogu isticmaalo ciddiyihii.