Bibliographie * Site Web Internet * Photographie
Geukensia

---

Geukensia demissa (Dillwyn 1817), ( 60 100 ) Canada & Floride,

Amerique Nord Abbott, p.198 Compendium Seashells, p.298 Florida Shells Abbot, p.51 Seashells of World, p.156 pl.138

Jacksonville Club

Geukensia granosissima (Sowerby 1914), ( 75 ) Floride,

Florida Shell Museum