Family PSEUDOAMMODISCIDAE Conil and Lys, 1970
Pseudoammodiscidae Conil and Lys, in Conil and Pirlet, 1970 (*669), p. 52.
Proloculus followed by planispiral, strepto-spiral, or streptospirally coiled undivided tubular second chamber; aperture simple, at the open end of the tube. Devonian to L. Permian.