1. On the flora of the Frontier Formation of southwestern Wyoming;Andrews;Ann. Mo. Bot. Gard.,1941
2. A new species of the fern Cynepteris from the Late Triassic of Arizona: implications for the early diversification of the Schizaeales;Axsmith,2007
3. Coalfield geology of eastern Vancouver Island (92 F);Bickford,1988
4. Petrified schizaeaceous sporangia from the Jurassic of Rajmahal Hills, India;Bohra;Ameghiniana,1978
5. The Schizaeaceae of the south of England in early Tertiary times;Chandler;Bull. Br. Mus. (Nat. Hist.) Geol.,1955