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| Cyclopteris sp. with right below a part of a leaf
of Sphenopteris and a single leaflet of Neuropteris. Cyclopteris is a name for rounded or elliptical leaves originally sitting at the base of a partial frond of a seed fern. Piesberg. Westfalian D. Height of the photo 8 cm. |
Cyclopteris |
 CyclopterisPiesberg. Westfalian D. Height of the photo 6 cm. |
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 Reticulopteris
muensteri with Cyclopteris. Piesberg. Westfalian D. Length of the frond 30 cm. |
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