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Taxonomy > Muricidae > Penethais < Previous species - Next species > (within the family) Penethais triangularis (Blainville, 1832) Keen (1971) Sea shells of tropical West America. Marine Mollusks from Baja California to Peru. - p. 549 Skoglund (2002) Panamic province molluscan literature: additions and changes from 1971 through 2000. III Gastropoda. - p. 116 Battaglia & Bertoli Battaglia (2020) Seashells of Las Perlas / Conchiglie delle Isole delle Perle. - p. 38 Gurgo Salice & Cáceres (2021) Baja Californian sea shells. - p. 106 Houart (2024) A classification update of the subfamilies, genera and species of living Muricidae (Gastropoda: Neogastropoda: Muricoidea) with notes on recently named taxa and additional comments. - Fig. 3AB Statistics Frequency occasional - 25 localities (12.69 %) Sediment 78 (0 fine >> 100 coarse sediment) Size and comments The literature gives a maximum length of 33mm that is slightly exceeded by beach finds. Images Length 24.6mm. Taxonomy > Muricidae > Penethais < Previous species - Next species > (within the family)