Plants of calcareous rocks, light green to black.
Alar cells not differentiated to colored and enlarged.
Sexual condition autoicous.
Capsule smooth; annulus ill-formed; peristome teeth smooth.
Calyptra cucullate.
Seligeria is characterized as tiny acrocarpous plants, with more or less ovate, smooth capsules and linear-lanceolate leaves, and a calcareous substrate as habitat.
Seligeria trifaria (Bridel) Lindberg is excluded.