Hebefustis Siebenaller & Hessler, 1977

Kaiser, Stefanie, 2014, New species of Hebefustis Siebenaller & Hessler 1977 (Isopoda, Asellota, Nannoniscidae) from the Clarion Clipperton Fracture Zone (equatorial NE Pacific), Zootaxa 3784 (2), pp. 101-119 : 104

Hebefustis Siebenaller & Hessler, 1977

Synonymy: Nannoniscoides Menzies, 1962: 134 ; Nannoniscus Menzies, 1962: 137 ; Birstein, 1963a: 83–85. Type species: Hebefustis vafer Siebenaller & Hessler, 1977

Diagnosis (after Siebenaller & Hessler 1977, Kaiser 2008). Body broadened, length about 3.8 pereonite 2 width; dorsal cuticle bearing numerous setules. 5-segmented antennula with inflated, elongated terminal article; article 3 and 4 of similar length, without lateral projection. Pereopod I more robust and shorter than pereopods II–VII; carpus and propodus of pereopod I with few (≤ 4) robust, unequally bifid setae, dactylus with a short, robust ventral spine distally. Pereonites 6–7 medially fused. Pleotelson with posterolateral spines. Uropods biramous, short, hardly projecting beyond posterior margin; endopod and exopod nearly of same length.

Species composition. Hebefustis alleni Siebenaller & Hessler, 1977 ; H. clareolithis Kaiser, 2008 ; H. cornutus Siebenaller & Hessler, 1977 ; H. dispar Siebenaller & Hessler, 1977 ; H. juansenii sp. n.; H. hexadentium Siebenaller & Hessler, 1977 ; H. hirsutus ( Menzies, 1962) ; H. mollicellus Siebenaller & Hessler, 1977 ; H. par Siebenaller & Hessler, 1977 ; H. primitivus ( Menzies, 1962) ; H. robustus ( Birstein, 1963a) ; H. vafer Siebenaller & Hessler, 1977 ; H. vecino sp. n.; H. vitjazi Mezhov, 1986 .