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.
Figure 2.Scabrilucina victorialis shell features. A–C MCZ 362493 A Commarginal lamellae. Scale bar = 1 mm. B Detail of commarginal lamellae. Scale bar = 500 µm. C Detail of commarginal lamellae. Scale bar = 200 µm. D Protoconch NHMUK. Arrows mark boundary between PI and PII. Scale bar = 50 µm.
Figure 3.A–D Radiolucina jessicae sp. n., holotype (SBMNH 353469, Mexico, Baja California Sur, Bahia Concepcion) length = 4.5 m A Exterior of right valve B Exterior of left valve C Interior of left valve D Interior of right valve E–H Radiolucina jessicae new species, paratype (SBMNH 149936) E Close up of hinge of left valve F Close up of anterior adductor muscle scar of left valv G Close up of ribs of right valve H Close up of pallial line of left valve. E–H scale bar = 1 mm.