From: Ancestral morphology of Ecdysozoa constrained by an early Cambrian stem group ecdysozoan
Character | Total group Edysozoa (PP) | Crown group Ecdysozoa (PP) | Scalidophora (PP) | Panarthropoda + Nematoida (PP) | Panarthropoda (PP) | Present in Acosmia ? |
---|---|---|---|---|---|---|
Terminal mouth | 0 = 0.024837 1 = 0.975163 | 0 = 0.000858 1 = 0.999142 | 0 = 0.000128 1 = 0.999872 | 0 = 0.000288 1 = 0.999712 | 0 = 0.001408 1 = 0.998592 | Yes |
Pharyngeal armature | 0 = 0.962564 1 = 0.037436 | 0 = 0.082954 1 = 0.917046 | 0 = 0.002036 1 = 0.997964 | 0 = 0.068972 1 = 0.931028 | 0 = 0.022113 1 = 0.977887 | No |
Circumoral structures | 0 = 0.959800 1 = 0.040200 | 0 = 0.021808 1 = 0.978192 | 0 = 0.000288 1 = 0.999712 | 0 = 0.006146 1 = 0.993854 | 0 = 0.010114 1 = 0.989886 | No (spines possibly present) |
Annulated trunk | 0 = 0.027979 1 = 0.972021 | 0 = 0.002343 1 = 0.997657 | 0 = 0.011783 1 = 0.988217 | 0 = 0.000535 1 = 0.999465 | 0 = 0.000203 1 = 0.999797 | Yes |
Scalid covered introvert | 0 = 0.999838 1 = 0.000162 | 0 = 0.989892 1 = 0.010108 | 0 = 0.003788 1 = 0.996212 | 0 = 0.999403 1 = 0.000597 | 0 = 0.999986 1 = 0.000014 | No |
Paired sclerites | 0 = 0.994518 1 = 0.005482 | 0 = 0.994662 1 = 0.005338 | 0 = 0.993516 1 = 0.006484 | 0 = 0.995261 1 = 0.004739 | 0 = 0.957987 1 = 0.042013 | No |