a. [f. CONCHOLOGY + -IC + -AL.] Of or relating to conchology.
1845. Darwin, Voy. Nat., xvii. (1852), 391. The space of open sea … separates two quite distinct conchological provinces.
1862. Dana, Man. Geol., 484. A conchological cabinet.
Hence Conchologically adv.
1881. in Jrnl. Linn. Soc., XV. 295. The very different and conchologically extreme form of their shells.
