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Figure 1.A–D Radiolucina amianta (SBMNH 357639, USA, Florida, Santa Petersburg, Tampa Bay) length = 5.4 mm A Exterior of right valve B Exterior of left valve C Interior of left valve D Interior of right valve E Close up of hinge of left valve F Close up of anterior adductor muscle scar of left valve G Close up of ribs of right valve H Close up of pallial line of left valve. E–H scale bar = 1 mm.
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Figure 4.A–D Phacoides (Bellucina) amiantus Dall, 1901lectotype herein(USNM 64276, Mexico, Yucatan Strait) length = 6 mm A Exterior of right valve B Interior of right valve C Close up of ribs of right valve D Close up of hinge of right valve.
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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.
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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.
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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.
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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.
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Figure 4.A–D Phacoides (Bellucina) amiantus Dall, 1901lectotype herein(USNM 64276, Mexico, Yucatan Strait) length = 6 mm A Exterior of right valve B Interior of right valve C Close up of ribs of right valve D Close up of hinge of right valve.
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Internal and external views of lectotype valve. Images and plate: Yolanda Villacampa, 2012
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Internal and external views of one valve. Images and plate: Yolanda Villacampa
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Internal and external views of one valve. Images and plate: Yolanda Villacampa
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External and internal views of paralectotype valve. Photos & plate: Yolanda Villacampa, 2012
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Bahamas, City of Freeport, Freeport Harbour, shell sand , by dredging, at 9 m depth, collected 11th May 1985, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker