Horologinella biconvexa subsp. granulata

subsp. granulata Zheng Yuefang and Liu Xuexian in Liu Zhili et al., 1992, p.70, pl.10, figs.3-8.  Holotype: Liu Zhili et al., 1992, pl.10, fig.7.  Taxonomic senior synonym: Tetrachacysta allenii, according to Xu Jinli et al. (1997, p.42).  Age: early Tertiary. Parent: Horologinella biconvexa