Maryland Geological Survey 255 



Cladophlebis Ungeri (Dunker) Ward 

 Plate XXXII, Figs. 1., 2 



Pecopteris Ungeri Dunker, 1846, Mon. Norddeutsch. Wealdenbildung, p. 6, 



pi. ix, fig. 10. 

 Pecopteris polymorpha Dunker, 1846, Mon. Norddeutsch. Wealdenbildung, 



p. 6, pi. vii, fig. 5 (non Brongniart). 

 Pecopteris Ungeri Brongniart, 1849, Tableau, p. 107. 

 Pecopteris Ungeri Unger, 1850, Gen. et Sp., p. 177. 



Pecopteris polymorpha Unger, 1850, Gen. et Sp., p. 177 (non Brongniart). 

 Pecopteris Dunkeri Schimp., 1869, Pal. Veget., tome i, p. 539. 

 Pecopteris Dunkeri Schenk, 1871, Palasont., Band xix, p. 214, pi. xxvi, fig. 1; 



pi. xxxi, fig. 1. 

 Pecopteris exiliforniis Geyler, 1877, Palseont., Band xxiv, p. 226, pi. xxx, 



fie. 1. 

 Pecopteris polymorpha Dupont, 1878, Bull. Ac. Roy. Belg., ser. ii, vol. xlvi, 



p. 387 (non Brongniart). 

 Pecopteris exilis Yokoyama, 1890, Journ. Coll. Sci., Japan, vol. iii, p. 35, 



pi. i, figs. 8-10. 

 Aspidium parvifolium Fontaine, 1890, Mon. U. S. Geol. Surv., vol. xv, 1889, 



p. 100, pi. xxi, fig. 6; pi. xxiv, fig. 8; pi. xxv, fig. 10; pi. xxvi, figs. 1, 



14, 16, 17. 

 Pecopteris Geyleriana Nathorst, 1890, Denks. k. Akad. Wiss., Wien, Band 



Ivii, p. 48, pi. iv, figs. 2-6. 

 Pecopteris sp., Nathorst, IMd., pi. vi, fig. 4. 

 Pecopteris l>revipennis Fontaine, 1890, Mon. U. S. Geol. Surv., vol. xv, 1889, 



p. 86, pi. xxi, figs. 1-3. 

 Pecopteris pachyphylla Fontaine, 1890, Mon. U. S. Geol. Surv., vol. xv, 1889, 



p. 88, pi. xxvi, figs. 4, 5. 

 Aspidium Dunkeri Fontaine, 1890, Mon. U. S. Geol. Surv., vol. xv, 1889, 



p. 101, pi. xxii, figs. 9, 9a, 9b; pi. xxv, figs. 11, 12; pi. xxvi, figs. 2, 8, 



9, 18; pi. liv, figs. 3, 9. 

 Aspidium Dunkeri Fontaine, 1894, in Diller and Stanton, Bull. Geol. Soc. 



Am., vol. V, p. 450. 

 Pecopteris Dunkeri Saporta, 1894, Fl. Foss. Portugal, pp. 106, 169, pi. xix, 



figs. 10, 11; pi. xxviii, figs. 15, 16. 

 Cladophlebis Dunkeri Seward, 1894, Wealden Fl., pt. i, p. 100, pi. vii, fig. 3. 

 Pecopteris Geyleriana Yokoyama, 1895, Journ. Coll. Sci., Imp. Univ., vol. 



vii, p. 219, pi. xxi, fig. 12; pi. xxiii, figs. 1, la; pi. xxxviii, fig. 5. 

 Aspidium Dunkeri Fontaine, 1896, in Stanton, Bull. U. S. Geol. Surv., No. 



133, p. 15. 

 Dryopteris parvifoUa Knowlton, 1898, Bull. U. S. Geol. Surv., No. 152, p. 92. 

 ? Pecopteris Geyleriana Fontaine, 1899, in Ward, 19th Ann. Rept. U. S. 



Geol. Surv., pt. ii, p. 654, pi. clx, figs. 9-13. 

 CladophleMs Dunkeri ? Seward, 1900, Fl. Wealdienne de Bernissart, Mem. 



Musee d'hist. nat. Belgique, Annee 1900, p. 24, pi. iii, figs. 35-40, 43-46, 



51, 52. 

 17 



