1994 Dictyophyllum irregularis GIVULESCU and POPA, p.
42-46, Text-figs. 1-3.
Filicopsida/Filicales/Dipteridaceae
Description
Pinnae with a short basal web of lamina. Pinnae lobes are
irregular, with acute apices, and rounded sinuses between lobes.
The venation is also irregular.
Discussion
Typical features of D. irregularis include the irregular
nature of lobes and venation.
Occurrence
Anina, Resita Basin, mainly within the northern coalfields,
such as Pit 1, sectors Zona Noua and Bradet.
Phytostratigraphy
Hettangian in age, above the Coal Seam no. 2, usually confined
to its roof.
Paleoecology
Marsh edges and flood plains.
Material
Preservation of the material is good, but the material lacks cuticles
or in situ spores.
References
Givulescu, R. and Popa, M.E., 1994. Eine neue Dictyophyllum -
Art aus dem unteren Lias von Anina (Rumanien). Documenta Naturae,
84: 42-46.