Figure 2.A–D. Radiolucina cancellaris neotype (SBMNH 149738, Mexico, Sonora, Cabo Haro) length = 5.5 mm A Exterior of right valve B Exterior of left valve C Interior of left valve D Interior of right valve E–F, H Radiolucina cancellaris (SBMNH 20044, Mexico, Sonora, Cabo Haro) E Close up of hinge of left valve F Close up of anterior adductor muscle scar of left valve G Radiolucina cancellaris (SBMNH 129044, Mexico, Sinaloa, Teacapan) Close up of ribs of right valve H Close up of pallial line of left valve. E–H scale bar = 1 mm.
Figure 5.Outline drawings of interior of right valves A Phacoides (Bellucina) amiantus lectotype B Radiolucina cancellaris neotype C Radiolucina jessicae new species holotype – Not to scale.
