Figure 10: Tellina balaustina – « Shape varying from obovate to suborbicular, moderately strong, decidedly convex, when quite perfect dull and covered with raised membranaceous concentric striae, but usually worn smooth and rather glossy ; whitish or yellowish, with numerous narrow red rays and the umbones tinged with yellow ; ventral edge arcuated ; both edges of the dorsal hue convex and moderately sloping ; front extremity rounded ; that of the scarcely shorter posterior side most obtusely subangidated ; beaks prominent and incurvated ; ligament extremely narrow and sunken ; fold and umbonal ridge tolerably manifest ; inside yellow ; lateral teeth large and nearly equidistant. » – Hanley in G. B. Sowerby: Thesaurus conchyliorum vol. 1 London, 1847 via BHL.