Genera within a family

(h)upo, = under, beneath;
(below, under, beneath)
odon, ontos, odons, = a tooth;
-ium, = diminutive; -little.

(LS, BL)

pseudo, = to be mistaken, be false;
(resembling but not equalling)
krossos, = tassel, fringe, fimbria;
-idium, diminutive.
(fimbria, = thread, fibre, fringe;- the dentated or fringe-like ring of the operculum of mosses, by the elastic power of which the operculum is displaced)
(LS, Ox)