National Institute of Informatics - Digital Silk Road Project
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China : vol.4 |
Pflanzen der Steinkohlenformation.
Fig. I. Sphenophyllum emarginatum BRONGNIART. (Sammlung zu Halle.)
Fig. 2. Cordaites. Blattfragment .
Fig. 3. Cordaites principalis GEINITZ.
Fig. 4. 5. Pterophyllum carbonarium SCHENK.
Fig. 8. Samaropsis affinis SCHENK
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