Identification key for Chilean Suberites

1a. Larger tylostyles frequently sinuous, slender forms abundant; habit irregularly cushion-like.................... S. ruber

1b. Larger tylostyles only seldom sinuous, slender forms not so common; habit cushion-like or nearly hemispherical......... 2

2a. Smaller tylostyles mostly only slightly bent, sharply pointed; compact architecture, surface unperforated, habit nearly hemispherical............................................................................. S. cranium sp. nov.

2b. Smaller tylostyles frequently markedly bent, strongyloid; slightly cavernous architecture, surface abundantly perforated, habit thickly encrusting.......................................................................... S. puncturatus