Original taxon: Lima crassa. Synonym: sarsii Lovén, 1846.
« Lima (Limatula) crassa: shell equilateral, ovate, white, thick, subdepressed, entirely closed, longitudinally ribbed with crenulated costae; ears of equal strength, umbones prominent. » – E. Forbes: “Report on the Mollusca and Radiata of the Aegean Sea…”, Report of the British Association for the Advancement of Science, 13th meeting, London 1844, via BHL.
Above and below:
200-300m deep, in the Strait of Gibraltar. 2,1mm.
« Limea Sarsii n. – Shell subglobose, rounded ovate, subequilateral, not gaping (“undique clausa”), radially adorned with numerous rounded, elevated costae, which are covered with imbricated squamae arising from concentric lamellae; cardinal margin loosely oblique, entirely straight, with about 15 teeth on each side; fovea ligamenti triangular; the area slightly concave, longitudinally striated; umbones a little prominent; margin crenated; costae obsolete on the sides, and marked in the middle (circa 10). » – S. L. Lovén: Index Molluscorum litora Scandinaviæ occidentalia habitantium, Stockholm 1846, p.32.
A specimen from the northern part of the range.
700m deep, on cold-water coral bottom, Hatton Bank, W. Norway. 2,5mm.