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. 2024 Nov 19;15:9445. doi: 10.1038/s41467-024-53110-x

Fig. 1. Heart cockles (Corculum cardissa and Corculum spp.) are asymmetrical, photosymbiotic bivalves.

Fig. 1

ae Heart cockles come in many sizes, shapes, and colors across (ac) Corculum cardissa and the seven other recognized species of Corculum, e.g., (d) Corculum roseum and (e) Corculum lorenzi. f The sun-facing side of heart cockle shells varies from a flattened, expanded pancake shake (“flat”; Corculum cardissa) to an arched dome (“dome”; Corculum cardissa) to a cup-shaped dish (“dish”; Corculum roseum) and combinations of these shapes (e.g., “domed dish”; Corculum lorenzi). Illustration in (f) is credited to Nuria Melisa Morales Garcia, Science Graphic Design LTD.