Skip to main content

Advertisement

Fig. 5 | Journal of Palaeogeography

Fig. 5

From: The floristic relationship between the upland and lowland Carboniferous wetlands of Variscan Euramerica — Evidence from some medullosalean pteridosperm fronds

Fig. 5

Alethopteris grandinii (Brongniart) Göppert var. duboisii Bertrand; range of different pinnule morphologies, but all showing fine, somewhat flexuous veining; all scales bars = 5 mm. a, b - Lower Heiligenwald Formation (lower Asturian Substage), Créhange 1 Borehole (depth 1799.6 m), (USTL 3193); c - Lower Heiligenwald Formation (lower Asturian Substage), Hallering 1 Borehole (depth 1341.5 m), (USTL 3194); d - Lower Heiligenwald Formation (lower Asturian Substage), Tritteling Borehole (depth 1041.0 m), (USTL 3195); e - Seam 5, Sulzbach Formation (Bolsovian Substage), Jägersfreude Mine, Saarland, (USTL 3196)

Back to article page