Benthana

Key to species of Benthana with males having a lobe on the pleopod 1 exopod 1 Merus of pereopod 7 having a lobe with six setae on the inner proximal margin (Fig. 6 A)........ B. (Benthanoscia) olfersii - Merus of pereopod 7 without a lobe with six setae on the inner proximal margin................................... 2 2 Dentiform protrusion of pleopod 1 exopod with apex bent downwards (Fig. 6 B)........................... B. serrana - Dentiform protrusion of pleopod 1 exopod with apex straight................................................... 3 3 Dentiform protrusion of pleopod 1 exopod with concave appearance (Fig. 5 A)...................... B. itaipuensis sp. n. - Dentiform protrusion of pleopod 1 exopod with convex or truncated appearance.................................... 4 4 Outer lateral margin of pleopod 1 exopod with setae (Fig. 6 C)......................................... B. cairensis - Outer lateral margin of pleopod 1 exopod without setae (Fig. 6 D)....................................... B. taeniata