"Key characters \ species";"H. bultidactyla";"H. edgari";"H. moverleyi";"H. robusta sensu Moore";"H. robusta sensu Sieg";"H. satella";"H. ulsana";"H. urashima";"H. wombat";F/M;F/M;F/M;F/M;F/M;F/M;F/M;F/M;F/M "Number of uropod articles";4/4;4/4;–/5;4/–;4/4;4/4;5/5;4/4;5/5 "Number of inner seta on pleopod 3 basal article";0/0;1/1;–/1;–;0/0;0/0;0/0;0/0;0/0 "Pereopod 1 coxa with apophysis";yes;yes;yes;–;no;yes;no;yes;no "Number of seta on maxillule palp";4;5;5;8;8;4;4;6;5 Maxilliped "Basis setae";2;2;1;–;2;2;1;1~2;1 "Coxa setae";2;3;2;–;2;2;3;2;3 "Endite with distal plumose setae";yes;yes;yes;–;yes;no;yes;yes;no "Right/Left Mandibles" "Setae number of setal row";1;1;1;–;2;1;2;2;1 "Pereopods 2–3" "Ventral setae on propodus";"2, 2";"4, 4";"2, 2";–;"3, 2";"1, 2";"3, 3";"3, 3";"2, 3" Habitat;"aquaculture fouling";turtles;epifaunal;turtles;turtles;benthic/epifaunal;benthic/epifaunal;turtles;"yacht hulls"