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Swiss Journal of Palaeontology

Table 2 Variance/covariance matrix of the PCA incorporating conch ratios of the majority of the known species of Mimosphinctes

From: First description of the early Devonian ammonoid Mimosphinctes from Gondwana and stratigraphical implications

PC

Eigenvalue

% Variance

1

0.0147414

51.973

2

0.0120779

42.582

3

0.00105501

3.7196

4

0.000302115

1.0651

5

0.000187368

0.66059

  1. M. khanakasuense is excluded here because it differs so strongly from all the other species of the genus in its ribbing (primary to secondary ratio)
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