Umbonium giganteum, Lesson 1831
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Moyennement commun de l' Australie au Japon, cet Umbonium giganteum m'est arrivé dans lot de coquilles Australiennes. Le ferrailleur Australien qui me les a expédiés les a conditionnés comme si c'était des boulons; ce qui explique son piteux état. Taille/ diamètre: 28 mm.
Fairly common from Australia to Japan, this Umbonium giganteum was arrived me in a lot of Australian shells. The Australian scrap dealer who has sent me it, has packaged it as if it was bolts, which explains its poor condition.