Fig. 3

The “small” strobili A–G and the “large” strobili (H–J). A, B Part and counterpart of a “small” strobilus, PKUB15005a, b. C Enlargement of B (upper quadrangle), shows the sporophylls. D Enlargement of B (lower quadrangle), the adaxial part of each sporangium curl upwards. E, F Part and counterpart of well-preserved “small” strobilus, PKUB15007a, b. G Enlargement of F (quadrangle). H, I Part and counterpart of a “large” strobilus, PKUB15006a, b. J A fragment of “large” strobilus. PKUB15029. Scale bars 5 mm (A, B, E, F, H, I), 2 mm (C, D, G, J)