FIGURE 1. Callipteris seshufenensis. A in A new fossil species of Callipteris (Callipteridae) in the Early Permian from the Xishan Area in Beijing, North China

FIGURE 1. Callipteris seshufenensis. A. Holotype (SWZXZW 0100004), B. Line drawing of Holotype showing the venation details. Scale bar = 1 cm.

Chen, X.-Y., Zhang, H.-C., & Yang, J.-Y. (2024). FIGURE 1. Callipteris seshufenensis. A in A new fossil species of Callipteris (Callipteridae) in the Early Permian from the Xishan Area in Beijing, North China. In Phytotaxa (Vol. 641, Number 4, pp. 295–300). Zenodo. https://doi.org/10.5281/zenodo.13214108