TABLE 1. Statistics summary of each ontogenetic trajectory model for the studied species. f(x): Function of the polynomial regression. R2 is the determination coefficient, or proportion of variance explained by the model. A p-value based on an F-test, gives the significance of the fit.

Maorites seymourianus
Parameter Model Order

f(x)

R2 F p
ah Polynomial 2 1.888 × 10-5 x2 + 0.267 x + 2.01 0.980 5675.7 <0.05
wh Polynomial 2 1.388 × 10 -5 x2 + 0.355 x + 1.749 0.986 7507.7 <0.05
ww Polynomial 2 9.707 × 10-5 x2 + 0.255 x + 2.497 0.963 2573.8 <0.05
uw Polynomial 3 -7.51×1-6 x3 + 2.74 × 10-4 x2 + 0.079 x + 6.255 0.970 1731.2 <0.05

Maorites densicostatus

Parameter Model Order

f(x)

R2 F p
ah Polynomial 3 9.216 ×10-6 x3 - 2.805 ×10-4 x2 + 0.539 x - 2.863 0.993 2349.6 <0.05
wh Polynomial 3 2.195 × 10-5 x3 - 5.168 × 10-4 x2 + 0.812 x - 6.44 0.987 1626.8 <0.05
ww Polynomial 2 -7.271 × 10 -5 x2 + 0.260 x - 1.717 0.978 1208.2 <0.05
uw Polynomial 3 -4.337 ×10-5 x3 + 1.111 × 10 -3 x 2 + 0.562 x + 17.66 0.964 407.71 <0.05