Rapaniscus Siebenaller & Hessler, 1981

Wilson, George D. F., 2008, A review of taxonomic concepts in the Nannoniscidae (Isopoda, Asellota), with a key to the genera and a description of Nannoniscus oblongus Sars, Zootaxa 1680, pp. 1-24 : 21

Rapaniscus Siebenaller & Hessler, 1981

Rapaniscus Siebenaller & Hessler, 1981: 234 ; Kussakin, 1999: 117. Type species. Rapaniscus dewdneyi Siebenaller & Hessler, 1981 .

Composition. R. crassipes ( Hansen, 1916) [not “ R. crassipes Siebenaller & Hessler, 1981 ” as written by Brandt, 2002: 88], R. dewdneyi Siebenaller & Hessler, 1981 , R. multisetosus Brandt, 2002 .

Diagnosis. Pereonal tergites projecting laterally from pereopodal coxae; pereonites 6–7 dorsal articulation absent medially. Pleon shorter than pereonites 5–7. Antennula with 5 articles, article 4 distal margin with ventromedial shelf­like process, article 5 bulbous. Mandible with palp. Pereopod I robust, podomeres distinctly broader than pereopod II; carpus with 2 or more robust sensillate setae on ventral margin; propodus with robust sensillate setae on ventral margin. Pereopods II–VII slender, distinctly narrower than pereopod I. Ventromedial posteriorly curved spines on pleopod II of female or on pereonite 7 sternite.