Figure 3. Discusphyton wenghuiensis n. gen. n. sp. from the upper Doushantuo Formation, Wenghui, Jiangkou, Guizhou, China. (1) Holotype JK50-1460; (2) paratype WH-P-50014; (3) WH-P-42146; (4) JK45-0717; (5) TY42-147; (6) JK42-1064; (7, 8) JK42-0146, with magnified view of the holdfast; arrow marks detail of folds; (9, 10) JK42-0147, with magnified view of the holdfast; (11) WH-P-04120.
Discussion.—Discusphyton wenghuiensis n. gen. n. sp. is similar to Gesinella hunanensis (Steiner et al., 1992) in the unbranching thallus, but the later has a cone-shaped rhizome with many filamentous rhizoids (see Steiner et al., 1992; Steiner,
1994; Chen and Wang, 2002; Wang et al., 2007, 2009, 2014; Tang et al., 2008a). Similarly, D. wenghuiensis n. gen. n. sp. is different from the other unbranching macroalga Baculiphyca taeniata Yuan et al., 1995, emend.Xiao et al., 2002 by its disc-like
