Desmiophyllum Lesquereux, 1878 Layers A

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

Form-genus Desmiophyllum Lesquereux, 1878 Layers A to E ( Fig. 5 A )

SPECIMENS. — MPZ 2010/1040 to MPZ 2010/1052.

DESCRIPTION

Fragments of elongate strap-like leaves up to 12 cm long and 2 cm wide.Margins straight and reinforced.Base and apex not preserved.Venation consists of numerous gross veins, c. 25 veins per cm, running parallel to leaf margins. Another four thin veins extended between two gross veins making a total of c. 125 veins per cm.

REMARKS

Similar leaves were also found in the Aptian-Albian of western Europe ( Coiffard et al. 2007), Canada ( Bell 1956) and in Albian-Cenomanian deposits of Alaska ( Spicer & Herman 2001) and Russia ( Spicer et al. 2002).

Figures

FIG. 5. — Gymnosperms of the Estercuel plant fossil site (Teruel province, northeastern Spain): A, Desmiophyllum sp.; B, fragments of Podozamites (Brongniart) Braun,1843 leaves; C, conifer seed cones; D, Pagiophyllum sp., branched shoots; E, Podozamites sp.; F, Pagiophyllum sp. shoots. Scale bars: 1 cm.