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Fig. 4 | Journal of Palaeogeography

Fig. 4

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

Fig. 4

Left shows the sizes of pinnules in an assemblage originally identified as Alethopteris ambigua (now referred to A. grandinii) from the Asturian Hub Seam of the Sydney Coalfield (originally documented by Zodrow and Cleal 1998). Right shows the sizes of the types of Pecopteris aquilina and P. grandinii from Geislautern, Saarland, plotted in the same dimension space; also of the types of Alethopteris ambigua and A. lesquereuxii

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