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. 2018 Dec 18;7:e38827. doi: 10.7554/eLife.38827

Figure 1. Siltstone slabs bearing Nanjinganthus.

All bars are 1 cm long. (A) Six flowers (1-6) on the same slab, and an associated triangular leaflet with parallel venation. PB22227. (B) Several flowers on the same slab. 1–3 are shown in detail in Figures 2f and 6d,e. PB22226. (C) Several flowers (1-8) on the same slab and the associated Nilssonia parabrevis (top). PB22220. (D) Several flowers (1-6) on the same slab. 1–3 are shown in detail in Figures 2h and 3a–c. PB22224. (E) Many flowers on the same slab. Some of the numbered ones are shown in detail in later figures. PB22222a. (F) A slab with numerous flowers. PB22221. (G) A slab almost fully covered with flowers. PB22228.

Figure 1.

Figure 1—figure supplement 1. The type fossil locality of Nanjinganthus, Nanjing in China and isotopic dating.

Figure 1—figure supplement 1.

(A) Fossil locality (red dot) in Nanjing, eastern China. (B) Stratigraphic column showing the fossiliferous strata, strata for isotopic dating, and layers (XW010 to XW014) sampled for palynological dating. (C) Type locality (red asterisk, N32˚08′ 19″, E118˚58′ 20″) of Nanjinganthus in the suburbs of Nanjing, China. (D) Geological map of the region near the type locality, dark green represents the outcrop of the Xiangshan Group. (E) Fossiliferous strata (red line) of the South Xiangshan Formation exposed in the quarry of Xiaoyetian Cement Company Ltd. Note one of the strata (red line) yielding many flowers of Nanjinganthus. (F–G) Comparison of relative probability plot of zircon data (F: all data; G: concordance >90%). (H) Close-up of one of the Nanjinganthus-yielding layers (red line).