a. Geol. [f. ENCRIN-US + -AL.] = ENCRINITAL.

1

1845.  in Proc. Berw. Nat. Club, II. xii. 159. The blue encrinal limestone so abundant at Holy Island.

2

1858.  Geikie, Hist. Boulder, xi. 205. The rock with its included encrinal stems and shells.

3