Keywords: Rivomarginella electrum shell.png Photo of 5 shells of Rivomarginella electrum cropped from the File Naturalis Biodiversity Center - ZMA MOLL 361768 - Rivomarginella electrum Reeve 1865 - Marginellidae - Mollusc shell jpeg 2015-12-25 Zoölogisch Museum Amsterdam <gallery> File Naturalis Biodiversity Center - ZMA MOLL 361768 - Rivomarginella electrum Reeve 1865 - Marginellidae - Mollusc shell jpeg </gallery> CC-0 Rivomarginella electrum Marginellidae at Naturalis from the Zoölogisch Museum Amsterdam |