« Teredo carinata. – Tubes long, cylindrical; shell subglobular; front lobe triangular, lower edge straight, rather oblique, concentrically wrinkled, posterior dorsal margin expanded, recurved, parallel with the hinge; edge deeply keeled internally; internal tooth compressed, curved, placed obliquely with respect to the inner surface of the valve. Pallet base short, setaceous end compressed, end broad, linear lanceolate, pinnately articulated. » – J. E. Gray: “A monograph of the genus Teredo Linné…”, The philosophical magazine series II, vol. II p. 411, London 1827.