1848 II. ii. 496 Of these plates, the anteal or No. 1 bears half a pectinated rhomb.
1854 R. I. Murchison ix. 217 A pair of pectinated rhombs.
1918 G. A. J. Cole (ed. 7) xxvi. 381 Across these areas striæ can be seen, which have caused authors to term them pectinated rhombs.