Which of the following fall into Pteridophyta? 

Ferns are categorised as Pteridophytes because they produce neither flowers nor seeds, they are sometimes referred to as "cryptogams", meaning that their means of reproduction is hidden. Ferns, horsetails (often treated as ferns), and Iycophytes (clubmosses, spikemosses, and quillworts) are all pteridophytes.