Leptochela Stimpson, 1860

Leptochela Stimpson, 1860: 42; Chace, 1972: 16; 1976: 4; Williams, 1984: 57. Proboloura Chace, 1976: 45 .

Diagnosis: Carapace, rostrum short, unarmed dorsally and ventrally; without, branchiostegal and hepatic spines. Mandibular palp broad, flattened and undivided. Telson with one median pair of cuspidate setae, 1–2 pairs of dorsolateral cuspidate setae and 5 pairs of distal cuspidate setae (modified from Chace, 1976).