Marcopoloichthys furreri sp. nov., illustrating the dorsal, anal, and pelvic fins and associated structures (paratype PIMUZ A/I 2841). Abbreviations: a.fr, anal fin rays; a.prra, anal proximal radials; bp.fr, broken pelvic rays; b.nsp, broken neural spines; c.dpra, compound dorsal proximal radial element; d.fr, dorsal fin rays; ha, haemal arch; ha+sp, haemal arch plus spine; l.dpra, last dorsal proximal radial; na, neural arch; na+sp, neural arch plus spine; n.sp, neural spine; p.fr, pelvic rays; p.pl, pelvic plate or basipterygium; sc, scales. Scale bar: 1 mm.