Sequence alignment/masking/phylogenetic analysis | Model of sequence evolution | Length of alignment | Monophyly of Acochlidia and sister group relationship | Changes within the tree topology compared to Figure 1 |
---|---|---|---|---|
MAFFT + Gblocks + RAxML | GTRCAT GTR + GAMMA | 3641 bp | see Figure 1 | see Figure 1 |
MAFFT + ALISCORE + RAxML | GTRCAT GTR + GAMMA | 3926 bp | Acochlidia monophyletic (no BS support) Aitengidae basal within Hedylopsacea; Acochlidia sister to (Hygrophila + (Glacidorboidea + (Amphiboloidea + Pyramidelloidea))) (no BS support) | Anaspidea non-monophyletic; different internal topology of Cephalaspidea s.s. (Philine exigua basal to remaining taxa); Siphonarioidea and Sacoglossa form no clade, but Siphonarioidea + (Sacoglossa + remaining pulmonate taxa) |
MAFFT + Gblocks + MrBayes | GTR + G + I | 3641 bp | Acochlidia monophyletic (no significant PP); sister group to Eupulmonata (0.96 PP) | basal tritomy within Euthyneura: (Acteonoidea + Rissoelloidea)/Nudipleura/remaining Euthyneura; different internal topology of Cephalaspidea s.s. (Philine exigua basal to remaining taxa), ((Glacidorboidea + Amphiboloidea) + Pyramidelloidea) |
MAFFT + ALISCORE + MrBayes | GTR + G + I | 3926 bp | Acochlidia monophyletic (no significant PP) Aitengidae basal within Hedylopsacea; Acochlidia sister to (Hygrophila + (Glacidorboidea + Amphiboloidea + Pyramidelloidea)) (no significant PP) | Anaspidea non-monophyletic; different internal topology of Cephalaspidea s.s. (Philine exigua basal to remaining taxa); Siphonarioidea and Sacoglossa form no clade, but Siphonarioidea + (Sacoglossa + remaining pulmonate taxa); Nudipleura form a basal clade with (Acteonoidea + Rissoelloidea) |