Supplemental_Data_table_1

Supplemental Data Table 1. Estimate of w values based on the holotype of Actinoporella campanensis (Azéma & Jaffrezo) n. comb. d, inner diameter; D, outer diameter; k, central cavity-intercept ratio (see Supplemental data set); w’, number of laterals cut by the intercept; w, number of laterals in a whorl.