Boston Jour. Nat. Hist, vol. 6 (New Spec. Foss. Plts Anthr.), 1854, p. 424. Fontaine & I. C. White: Second Geol Surv. Pa., Rept. Progr. PP, 1880, p. 68. [Monongahela formation.]
Pecopteris Merianopteroides Fontaine & I. C. White.
Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 78, pl. xxix, figs. 1-2. [Dunkard formation (Permian).]
Pecopteris rotundifolia Fontaine & I. C. White.
Second Geol. Surv. Pa., Rept. Progr. PP, 188o, p. 73, pl. xxiv, fig. 6. [Dunkard formation (Permian).]
Pecopteris sp.? Fontaine & I. C. White.
Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 80, pl. xxvii, figs. 4, 5, 7. [Dunkard formation (Permian).]
Pecopteris sp. cf. integra (Andrae) Schimper.
Pal. Veg., vol. 1, 1869, p. 530. D. White: Bull. Geol. Soc. Am., vol. 11, 1900, p. 161. [Pottsville group; Kanawha formation.]
Pecopteris n. sp. cf. crenulata Brongniart.
Dict. Sci. Nat., vol. 57 (Prodrome), 1828, p. 66 (57). D. White: Bull. Geol. Soc. Am., vol. 11, 1900, p. 163. [Pottsville group; Kanawha formation.]
Pecopteris ovoides Fontaine & I. C. White.
Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 79, pl. xxix, fig. 3. [Dunkard formation (Permian).]
Pecopteris latifolia Fontaine & I. C. White.
Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 79, pl xxix, figs. 5-6. Dunkard formation (Permian).]
Pecopteris cf. Jenneyi D. White.
Mon. U. S. Geol. Surv., vol. 37 (Fl. Low. Coal. Meas. Mo.), 1899. p. 80, pl. xxxvi, figs. 1, 2. D. White: Bull. Geol. Soc. Am., vol. 11, 1900, p. 170. [Conemaugh formation.]
Pecopteris pteroides Brongniart.
Dict. Sci. Nat., vol. 57 (Prodrome), 1828, p. 65 (57) Fontaine & I. C. White: Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 67. [Dunkard formation (Permian).]
Pecopteris Miltoni (Artis) Sternberg.
Flora. Regensburg, vol. 1, 1827, p. 137. Fontaine & I. C. White: Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 65, pl. xxiii, figs. 2, 3. D. White: Buil. Geol. Soc. Am., vol. 11, 1900, p. 170. [Allegheny & Conemaugh formations.] [Dunkard formation (Permian).]
Pecopteris polymorpha Brongniart.
