Psaronius sp.

(Fig. 7A, B)

Fragments of root mantle of Psaronius trunks are common elements; they occur in about half of the specimens either as portions of the inner root mantle (Fig. 7A) where the roots are cohesive with an interstitial tissue, or as isolated larger roots from the outer zone of the trunk (Fig. 7B) showing a characteristic aerenchymatous cortex and stellate xylem strand. In the absence of information on the stele of the stem a specific attribution is, however, impossible.