Chevreuxiopsis, Halfter, Svenja & Oliver Coleman, Charles, 2019

Halfter, Svenja & Oliver Coleman, Charles, 2019, Chevreuxiopsisfranki gen. n., sp. n. (Crustacea, Amphipoda, Thoriellidae) from the deep sea southwest of Tasmania, Zoosystematics and Evolution 95 (1), pp. 125-132 : 125

Chevreuxiopsis gen. n.

Diagnosis.

Body slender, pereon not inflated. Antenna 1 slender, with normal flagellum. Antenna 2 flagellum 4-articulate, much wider than peduncle, massively developed; article 1 enlarged, weakly drawn out posteriorly; articles 2 and 3 strongly drawn out posteriorly; article 4 lanceolate. Maxilla 1 inner plate with 2 terminal plumose setae; outer plate with 6+1 apical spine-like setae; palp 2-articulate; article 2 inflated, lanceolate. Maxilla 2 ordinary. Pereopod 1 basis ovoid, expanded, with anteromarginal nose-like process; dactylus knob-like. Pereopods 3-6 propodus subchelate; dactylus falcate (probably prehensile). Pereopod 3 coxa slightly longer than that of peropod 2. Pereopod 4 coxa enlarged, posteromarginally straight. Pereopods 5-7 basis slender. Urosome segments 2 and 3 fused; uropods 2 pairs, each with lanceolate outer ramus and spine-like inner ramus. Telson absent.

Type species.

Chevreuxiopsis franki sp. n., monotypic.