Table 1 in Morphometric analysis of Eocene nummulitids in western and central Cuba: taxonomy, biostratigraphy and evolutionary trends

Table 1. Growth-independent and growth-invariant characters. CharacterAttributeCodeEquationGrowthProloculus Deuteroloculus1 2Proloculus mean diameter Deuteroloculus ratioPD DRPD = PW + PH 2 DR = DW PWIndependent IndependentFirst chamber3First chamber lengthFCLDirectly measuredIndependentMarginal test spiral4Initial radiusIMRMR = IMR - eMRInc uIndependentRL5Radius increaseMRincInvariantSpiral chamber height6Initial spiral chamber heightICHCH = CHinc -j + ICHexIndependentCH Backbend angle BBA7 8Spiral chamber height increase Backbend angleCHinc BBAP j = n BBA = (1 /n) j = 1 BBAjInvariant InvariantChamber lengths9Initial final chamber lengthICLCL = ICL - eCLincIndependentPerimeter ratio PerR10 11Final chamber length increase Perimeter ratio of chambersCLinc PerRP j = n PerR = (1 /n) j = 1 PerRjInvariant Invariant