a. [f. prec. + -FEROUS bearing.] Containing fossil ammonites.
1830. Lyell, Princ. Geol., I. 126, note. Whether any of the ammonitiferous limestones of the Southern Apennines and Sicily (Taormina for example) can be considered as of contemporaneous origin with our carboniferous series, is not yet determined.
1860. Wright, in Q. Jrnl. Geol. S., XVI. I. 375. The Ammonitiferous beds of the Lias.
