Isoetites sp.

Sender, Luis Miguel, Villanueva-Amadoz, Uxue, Diez, Jose Bienvenido, Sanchez-Pellicer, Raquel, Bercovici, Antoine, Pons, Denise & Ferrer, Javier, 2012, A new uppermost Albian flora from Teruel province, northeastern Spain, Geodiversitas 34 (2), pp. 373-397 : 373-397

Isoetites sp. Layers B to D ( Fig. 4B, D )

SPECIMENS. — MPZ 2010/910 to MPZ 2010/926.

DESCRIPTION

Leaves simple, elongated to lanceolate, up to 4 cm long and 5 mm wide. Margin entire, base slightly expanded and apex acute. Leaves preserved as longitudinal sections showing a gross mid vein up to 2 mm wide. Leaves are lacunate, with trabeculae inter-distance measuring 1 mm. Only a single specimen shows preserved fertile parts, bearing an enlarged sporangial region at the base and containing clumps of microspores. For an accurate description and detailed palynological analysis of this particular specimen see Villanueva-Amadoz et al. 2012.

Figures

FIG. 4. — Lycopsids and ferns:A, fern Cladophlebis sp.,fragment of secondary pinna;B, accumulation of Isoetites leaves (Lycopsida); C, fern Onychiopsis sp., secondary pinnae; D, Isoetites sp., isolated leaf showing trabeculae. Scale bars: 1 cm.