Exceptional Double Lopha cristagalli Cluster – Madagascar A spectacular natural formation composed of two large Lopha cristagalli specimens fused together, creating a highly sculptural and visually striking piece. This impressive cluster showcases the characteristic layered ridges of the species, enhanced by beautiful encrustations of coral, bryozoans, and other sessile organisms, which add remarkable texture and scientific interest. Both shells display intricate external growth patterns and richly mineralized surfaces, while the interior reveals the smooth nacreous structures typical of Lopha cristagalli. The overall form is dynamic and architectural—an excellent statement piece for collectors of rare shells, natural history décor, or marine curiosities. The specimen is presented with an included acrylic stand, allowing it to be displayed elegantly and securely. Size: approx. 26 × 17 × 14 cm A unique and highly decorative natural masterpiece, combining biological complexity with exceptional aesthetic presence.