Scientific classification
Superdomain: Neomura
Domain: Eukaryota
(unranked): Opisthokonta
(unranked) Holozoa
(unranked) Filozoa
Kingdom: Animalia
Subkingdom: Metazoa
Superphylum: Lophotrochozoa
Phylum: Mollusca
Subphylum: Conchifera
Class: Gastropoda
Subclass: Orthogastropoda
Order: Neogastropoda
Superfamily: Volutoidea
Family: Volutidae
Subfamily: Cymbiinae
Tribe: Adelomelonini
Genus: Adelomelon
Species: Adelomelon riosi

206mm | Uruguay

Uncommon, rough dorsum, nicks, fairly decent specimen.

From my collection

via Flickr https://flic.kr/p/2kpUBEs

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