TABLE 2 in A sabre-tooth predator from the Neotropics: Cranial morphology of Anachlysictis gracilis Goin, 1997 (Metatheria, Thylacosmilidae), based on new specimens from La Venta (Middle Miocene, Colombia)

TABLE 2. — Body mass estimations. Abbreviations: Log, common logarithm (with base 10); ln, natural logarithm (with base e); M2A, second upper molar area; M2L, second upper molar length; m2A, second lower molar area; m3L, third lower molar length; %PE, percent prediction error; R2, ratio estimate; SE, smearing estimate correction factor; X, selected variable. Body mass expressed in kilograms. Equation source references: 1, Myers 2001, ‘All species’ data-set; 2, Myers 2001, Dasyuromorphian data set; 3, Zimicz 2012.
BodySpeciesEquationX%PER2SEmassRef.“ A. gracilis (IGM 184247)”log(y) = 1.005 + 1.857 log(x)m2A7.000.9511.11922.771log(y) = 0.567 + 3.400 log(x)m3L12.000.9451.03527.292ln(y) = 1.76 + 3.17 ln(x)m3L12.080.9501.11025.293“ A. gracilis (VPPLT 1612)”log(y) = 0.426 + 1.890 log(x)M2A7.000.9891.02922.152log(y) = 1.005 + 1.857 log(x)m2A7.000.9511.11927.191ln(y) = 1.89 + 3.14 ln(x)M2L7.030.9501.16025.473log(y) = 0.567 + 3.400 log(x)m3L12.000.9451.03525.822ln(y) = 1.76 + 3.17 ln(x)m3L12.080.9501.11024.023“ P. goini (MLP 07-VII-1-1)”log(y) = 0.426 + 1.890 log(x)M2A7.000.9891.02925.932ln(y) = 1.89 + 3.14 ln(x)M2L7.030.9501.16019.793“ T. atrox (P14531)”log(y) = 0.426 + 1.890 log(x)M2A7.000.9891.02942.502ln(y) = 1.89 + 3.14 ln(x)M2L7.030.9501.16041.123