L. Hably szerk.: Studia Botanica Hungarica 23. 1992 (Budapest, 1992)
Givulescu, R.: A new contribution to the knowledge of the fossil flora at Anina, Romania
DOLUDENKO, M. P. and SVANIDZE, T. I. (1969): The Late Jurassic Flora of Georgia. - Tn geol Inst A. At SSSR. 178:1-102. (in Russian) GIVULESCU, R. and CZIER, Z. (1990): Neue Untersuchungen über die Floren des unteren Lias, Rumänien. - Docum. natur. 59: 8-13. JAKOB, K. and JAKOB, CH. (1954): Cuticular study of Indian Ptilophyllum fronds from Cutch and Jubbulpore. - Mem. geol. Surv. India Palaeont. Indica n.s. 33(1): 1-34. KILPPER, K. (1965): Nomenklatur und Geschichte mesozoischer Pflanzen 1. Die Gattung Ptilophyllum Morris in Grant. -N. Jb. Geol. Palaont., Mh. 4:193-204. Author's address: GIVULESCU, R. Donath str. 17/M2/66 3400 Cluj-Napoca ROMANIA EXPLANATION OF PLATES Plate I. Ptilophyllum maculatum Fig. 1. private collection Fig. 2. nolo type. Univ. Cluj-Napoca 1:1 Plate II. Ptilophyllum maculatum Fig. 1. L. E. stomatas 380 x , holotypus Fig. 2. U. E. cells with star like shape. 380 x holotype Plate III. Ptilophyllum maculatum Fig. 1. L. E. stomatas rows 380 x . Botanical Museum Fig. 2. L. E. non-stomatal rows strongly papillate. 380 x . Botanical Museum