Saccella commutata (Philippi, 1844)
Galicia to Angola, Mediterranean. Locally abundant. « Salas (1996) gives a depth range of 18-544m » (MBSBI).
Original taxon: Nucula commutata.
Trawled at 150m deep, off Málaga, Andalucia, S. Spain. 8mm.
Synonyms: acuminata, deltoideus, fragilis, minuta
45m deep, Cannizzaro, Catania, E. Sicily. 6,7mm.
« Nucula minuta Brocchi (Enum. II, p. 46): must be moved to Nucula commutata Ph. — Testa ovata, gibba, antice rotundata, postice in rostrum acutum producta, transversim striato-rugosa; area oblonga carinis elevatis lamellosis cincta; carina altera in latere antico saepe obsoleta; margine intergerrimo. » – R. A. Philippi: “Nachtrag zum zweiten Bande der Enumeratio Molluscorum Siciliae”, Zeitschrift für Malakozoologie, Hannover (Jahrgang 1844), via BHL.
Explanation: in the Zeitschrift, Philippi gives again his description, previously published in the Enumeratio, of Brocchi’s minuta (vol. II p. 46), itself synonym of Lamarck’s striata (vol. I p. 64), which refers to a fossil described there

Above and below:
110m deep, off Motril, Granada, Andalucia. 4-7mm.
Bottom: small gravels covered with valves and other debris.
Juvenile from shallow sands, Port-la-Nouvelle, Aude, Occitania, S. France. 1mm.

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