Benthana

Campos-Filho, Ivanklin S. & Araujo, Paula Beatriz, 2011, New species of Benthana Budde-Lund, 1908 (Crustacea: Oniscidea: Philosciidae) from Paraná, Brazil, Zootaxa 2765, pp. 38-46 : 46

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. 6A )........ 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

Figures

FIGURE 5. Benthana itaipuensis sp. n. (holotype). A, Pleopod I exopod. B, Pleopod I endopod. C, Pleopod II exopod. D, Pleopod II endopod. E – G, Exopods III – V, respectively. H, Uropod. I, Genital papilla. Scales: 0.1 mm.

FIGURE 6. A. Benthana (Benthanoscia) olfersii Lemos de Castro, 1958 (male): merus of pereopod VII. B, Benthana serrana Araujo & Lopes, 2003 (male): pleopod 1 exopod. C, Benthana cairensis Sokolowicz, Araujo & Boelter, 2008 (male): pleopod 1 exopod. D, Benthana taeniata Araujo & Buckup, 1994 (male): pleopod 1 exopod. Scales: 0.1 mm.