Thaumatopteris brauniana.
Fern. Lower Liassic of Bayreuth.
Very elongated pinnules, perpendicular to the axis.
Inset above: the lobed apical part of a pinnule.
Inset below: the reticulate venation.
Height of the photo 18 cm.
Thaumatopteris brauniana.
Fern.
Lower Liassic of Bayreuth.
Very elongated pinnules, perpendicular to the axis.
Inset above: the lobed apical part of a pinnule.
Inset below: the reticulate venation.
Height of the photo 18 cm.