Table 2 Average age of the shiftpoints (in Ma) and the percentage of time since clade inception to the shiftpoints.
From: Progress to extinction: increased specialisation causes the demise of animal clades
Major Clade | clade | shiftpoints | p.dist | area.test | net.t | slope | p.slope |
|---|---|---|---|---|---|---|---|
Ammonites | Desmoceratidae | 101.7 (56.8%) | 0.001 | 0.68 | 0 | −10941.1 | 0.659 |
Anthozoans | Auloporida | 393.9 (28.5%) | 0.007 | 136.64 | 0 | −1486.7 | 0.059 |
Anthozoans | Auloporida | 288.3 (85.6%) | 0.024 | 504.43 | 0 | 9156.0 | 0.151 |
Anthozoans | Cystiphyllida | 393.1 (84.5%) | 0.184 | 0 | 0 | 164389.6 | NA |
Anthozoans | Favositida | 415.5 (17.8%) | 0.003 | 30.98 | 0 | −9464.8 | 0.000 |
Anthozoans | Favositida | 383.1 (34.2%) | 0.002 | 32.11 | 0 | −1562.2 | 0.012 |
Anthozoans | Stauriida | 358.8 (47.7%) | 1.000 | 16.88 | 0 | −2772.6 | 0.000 |
Anthozoans | Stauriida | 361.2 (46.5%) | 0.199 | 18.05 | 0 | −2772.6 | 0.000 |
Anthozoans | Stauriida | 372.9 (40.7%) | 1.000 | 23.38 | 0 | −2810.6 | 0.000 |
Bivalves | Pterineidae | 400.5 (27.2%) | 0.046 | 25.09 | 0 | −4884.8 | 0.046 |
Brachiopods | Athyridida | 306.4 (55.3%) | 0.870 | 13.55 | 0 | −2118.5 | 0.014 |
Brachiopods | Athyridida | 284.9 (63.3%) | 0.298 | 12.78 | 0 | −810.1 | 0.325 |
Brachiopods | Orthida | 372.8 (50.2%) | 0.780 | 53.97 | 0 | −1040.8 | 0.000 |
Brachiopods | Orthida | 360.2 (55.4%) | 0.512 | 49.33 | 0 | −916.3 | 0.011 |
Brachiopods | Orthotetida | 404.7 (24.9%) | 0.003 | 14.79 | 1 | −951.8 | 0.251 |
Brachiopods | Orthotetida | 347.4 (53.2%) | 0.002 | 22.37 | 0.974 | 886.4 | 0.601 |
Brachiopods | Orthotetida | 294.7 (79.2%) | 0.000 | 13.73 | 0 | 8810.1 | 0.211 |
Brachiopods | Productida | 276.9 (87.1%) | 0.038 | 0.03 | 0 | 18956.9 | 0.144 |
Brachiopods | Spiriferida | 316.9 (64.6%) | 1.000 | 45.61 | 0.014 | 453.7 | 0.732 |
Brachiopods | Spiriferinida | 258.3 (38.0%) | 0.016 | 0.909 | 0 | 219.1 | 0.335 |
Brachiopods | Strophomenida | 406.7 (43.0%) | 0.004 | 61.31 | 0 | −6006.0 | 0.068 |
Bryozoans | Cystoporida | 276.5 (86.5%) | 0.021 | 0.69 | 0 | 48723.2 | 0.093 |
Bryozoans | Fenestrida | 292 (78.3%) | 0.000 | 0.08 | 0 | −4184.0 | 0.612 |
Bryozoans | Rhabdomesida | 294 (79.8%) | 0.021 | 1.67 | 0 | −10506.9 | 0.008 |
Bryozoans | Trepostomida | 399.4 (19.9%) | 0.000 | 34.08 | 0 | 1655.2 | 0.003 |
Bryozoans | Trepostomida | 274.2 (59.8%) | 0.003 | 44.81 | 0 | 2291.5 | 0.023 |
Gastropods | Bellerophontidae | 324.2 (66.0%) | 0.000 | 1.09 | 0 | 4228.9 | 0.046 |
Gastropods | Euomphalidae | 356.7 (48.8%) | 0.000 | 74.53 | 0 | −5382.5 | 0.003 |
Gastropods | Lophospiridae | 294.3 (62.4%) | 0.059 | 82.41 | 0 | −4851.4 | 0.004 |
Trilobites | Proetidae | 375.2 (58.0%) | 0.045 | 58.74 | 0 | −22289.3 | 0.148 |
