Mandibles in the male chelate (fig. 158 j), in the female long, styliform.
styliform: in the shape of a stylus: terminating in a long slender point, like the antenna in some Diptera.
Sty′lar, pertaining to the pin of a dial; Sty′late, like a style, styliform.
As there is no styliform production in Anthoceros, so there is none in ferns.