Abdr. Verst. Zwick, Schwarzk., Zwickau, 1835, p. 65, pl. ix, figs. 1-3, 5, 7; pl. x, fig. 13. Millspaugh: Bull. No. 24, W. Va. Agric. Exp. Sta., Morgantown, 1892, p. 523. [Dunkard formation (Permian).]
Odontopteris gracillima Newberry.
Rept. Geol. Surv. Ohio, vol. 1, pt. 2, Palaeont., 1873, p. 378, pl. xlvi, figs. 1-3а. Fontaine: Amer. Jour. Sci., 3rd ser., vol. 11, 1876, p. 378. [Pottsville group; Sewell formation and Nuttall sandstone lentil in the Sewell.]
Caulopteris gigantea Fontaine & I. C. White.
Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 95, pl. xxxvi, fig. 1; pl. xxxviii, fig. 5. [Dunkard formation (Permian).]
Caulopteris elliptica Fontaine & I. C. White.
Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 95, pl. xxxv, figs. 4, 5. [Dunkard formation (Permian).]
Aphlebia spinosa (Goeppert) D. White.
Bull. Geol. Soc. Am., vol. 8, 1896 [1897], p. 292 [Sphenopteris]. [Pottsville group; Clark formation.]
Aphlebia (Rhacophyllum) laciniata (Fontaine & I. C. White) Sellards.
Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 94, pl. xxxv, fig. 2. Sellards : Univ. Geol. Surv. Kansas, vol. 9, 1908, p. 454. [Dunkard formation (Permian).]
Aphlebia filiciformis (Gutbier) Schimper.
Pal. Veg., vol. i, 1869, p. 685, pl. xlviii, figs. 3-6. Lacoe, in Millspaugh: Bull. No. 24, W. Va. Agric. Exp. Sta., Morgantown, 1892, p. 526. [Conemaugh formation.]
Aphlebia lactuca (Presl) Sterzel.
Erlaut. Geol. Specialk. Konigr. Sachsen, Leipzig, Blatt 113, 1881, p. 104. Fontaine: & I. C. White: Second Geol. Surv. Pa.. Rept. Progr. PP, 1880, p. 94. [Dunkard formation (Permian).]
Aphlebia speciosissima (Schimper) D. White.
Pal. Veg., vol. 1, 1869, p. 685. Fontaine & I. C. White: Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 94. [Dunkard formation (Permian).]
Aphlebia filiciformis var. majus (Fontaine & I. C. White) D.
White.
Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 93, pl. xxxv, fig. 1. [Dunkard formation (Permian).]
Equisetites rugosus Schimper.
