Monocheres sergioi sp. n. from Florida. Holotype female. A habitus, dorsal view B fifth pedigerous somite and urosome, dorsal view C antennule D antenna E mandible F maxillule G maxilla H maxilliped with minute basal seta arrowed I oral cone, ventral view. Scale bars: A–C = 100 µm, D–F, I = 20 µm, G, H = 50 µm.