Table 2 Ancestral character state reconstructions for monophyletic Cycloneuralia topology
From: Ancestral morphology of Ecdysozoa constrained by an early Cambrian stem group ecdysozoan
Character | Total group Ecdysozoa (PP) | Crown group Ecdysozoa (PP) | Cycloneuralia (PP) | Scalidophora (PP) | Panarthropoda (PP) | Present in Acosmia ? |
|---|---|---|---|---|---|---|
Terminal mouth | 0 = 0.025844 1 = 0.974156 | 0 = 0.001292 1 = 0.998708 | 0 = 0.000311 1 = 0.998708 | 0 = 0.000112 1 = 0.999888 | 0 = 0.001364 1 = 0.998636 | Yes |
Pharyngeal armature | 0 = 0.960884 1 = 0.039116 | 0 = 0.099041 1 = 0.900959 | 0 = 0.074002 1 = 0.925998 | 0 = 0.001654 1 = 0.998346 | 0 = 0.029938 1 = 0.970062 | No |
Circumoral structures | 0 = 0.962664 1 = 0.037336 | 0 = 0.066616 1 = 0.933384 | 0 = 0.005602 1 = 0.994398 | 0 = 0.000135 1 = 0.999865 | 0 = 0.051245 1 = 0.948755 | No (spines possibly present) |
Annulated trunk | 0 = 0.028351 1 = 0.971649 | 0 = 0.001323 1 = 0.998677 | 0 = 0.000592 1 = 0.999408 | 0 = 0.009102 1 = 0.990898 | 0 = 0.000251 1 = 0.999749 | Yes |
Scalid covered introvert | 0 = 0.999969 1 = 0.000031 | 0 = 0.999636 1 = 0.000364 | 0 = 0.995771 1 = 0.004229 | 0 = 0.003437 1 = 0.996563 | 0 = 0.999987 1 = 0.000013 | No |
Paired sclerites | 0 = 0.994583 1 = 0.005417 | 0 = 0.990559 1 = 0.009441 | 0 = 0.996393 1 = 0.003607 | 0 = 0.993516 1 = 0.006484 | 0 = 0.955548 1 = 0.044452 | No |