Tritia grana (Lamarck, 1822)
Sénégal to Tyrrhenian Sea. Scavenger in the infralittoral.
Original taxon: Buccinum grana.
Synonyms: graniformis, laevigata.
Variants “flammulata” and “lutea”.
10-15m deep, Málaga, Andalucia, S. Spain. 14mm.
« Shell ovoid, slightly elongate; spire short; whorls 5-6 not very convex; suture shallow; last whorl well developed; test smooth and glossy; aperture ovate; colouration yellowish white, with brown lines that form sometimes three zones on the last whorl, peristome white. » – Nassa graniformis in A. Locard: “Les coquilles marines des côtes de France”, Annales de la Société Linnéenne de Lyon n.s. vol. 37, Lyon 1891, p.82.

Specimen pictured on sand, Costa Brava, E. Spain.
Original picture provided by J. Regàs (ES).
– (CC BY-NC-SA) –
Variations affect shape and pattern density.
2m deep, on sand, Málaga. 11-12mm.
3m deep, Cabo de Gata, Almería, Andalucia. 11-12mm.
1-2m deep, on sand, Almería. 9-10mm.
Intertidal, Punta del Carnero, Algeciras, Andalucia. 11mm.
On sand at the base of the southern jetty, Narbonne-Plage harbour, Aude, Occitania, S. France. Original picture provided by slebris for iNaturalist – (CC BY-NC).

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