Bull. Geol. Soc. Am., vol. 11, 1900, p. 171. [Allegheny formation.]
Sphenopteris (Crossotheca) ophioglossoides (Lesquereux) D. White.
Bull. Geol. Soc. Am., vol. 8, 1896 [1897], p. 300. D. White: Bull. Geol. Soc. Am., vol. 11, 1900, p. 169. [Pottsville group; Kanawha formation.] [Also in Allegheny formation.]
Sphenopteris (Crossotheca) n. sp. cf. Crepini Zeiller.
Bull. Soc. Geol. de France, 3rd ser., vol. 12, 1884, p. 194. D. White: Bull. Geol. Soc. Am., vol. 11, 1900, p. 163. [Pottsville group; Kanawha formation.]
Pecopteris Pluckeneti Sternberg
Flora d. Vorwelt (Tentamen), 1825, p. xix. Fontaine & I. C. White: Second Geol. Surv. Pa., Rept. Progr. PP, p. 67, pl. xxi, figs. 4-5. [Conemaugh formation; and Dunkard formation (Permian).]
Pecopteris Pluckeneti var. constricta Fontaine & I. C. White.
Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 68, pl. xxi, fig. 8. [Dunkard formation (Permian).]
Pecopteris Germari (Weiss) Fontaine & I. C. White.
Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 68, pl. xix, figs. 1-7. [Dunkard formation (Permian).]
Pecopteris Germari var. crassinervis Fontaine & I. C. White.
Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 70, pl xx, fig. 5. [Dunkard formation Permian).]
Pecopteris Germari var. cuspidata Fontaine & I. C. White.
Second Geol. Surv. Pa., Rept. Progr. PP, 1880, p. 70, pl xx, fig. 4. [Dunkard formation (Permian).]
Pecopteris plumosa (Artis) Sternberg? Flora, Regensburg, vol. r, 1827, p. 137. D. White: Bull. Geol. Soc. Am., vol. 11, 1900, p. 163. [Pottsville group; Kanawha formation, and Nuttall sandstone lentil of the Sewell formation.]
Pecopteris (?) serrulata (Dawson) Hartt, Dawson. Acad. Geol., London, 2d Ed., 1868. p. 553, text-fig. 192K. D. White: Bull. Geol. Soc. Am., vol. 6, 1895, p. 317. [Pottsville group; Sewell formation.]
Pecopteris dentata Brongniart.
