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Table 1 Composition of the subsets of characters supporting Lophophorata and Ectoprocta + Phoronida in the unconstrained tree and Brachiozoa and Polyzoa in constrained trees

From: New phylogenomic data support the monophyly of Lophophorata and an Ectoproct-Phoronid clade and indicate that Polyzoa and Kryptrochozoa are caused by systematic bias

Hypothesis

No. of autapomorphies

p-value chi-square test

Lophophorata

1,005

 
 

Lophophorata

 

82.54%

 

Lophophorata + Nemertea

 

89.02%

Ectoprocta + Phoronida

1,271

 
 

Ectoprocta + Phoronida

 

0.01%*

 

Lophophorata

 

29.57%

Polyzoa

1,569

 
 

Polyzoa

 

0.29%*

 

Polyzoa + Brachiozoa

 

31.24%

Brachiozoa

1,522

 
 

Brachiozoa

 

0.00%*

 

Lophophorata

 

8.81%

Kryptrochozoa

1,792

 
 

Kryptrochozoa

 

0.00%*

 

Kryptrochozoa + Annelida

 

16.21%

  1. *compositional homogeneity significantly rejected.