“…Anatomical sections were performed for all species in the sampling. Some have been previously documented for anatomy [3,6,[11][12][13][14][15][16], but were selected in order to check and correct errors or misinterpretations, if necessary, and to acquire new quantitative data. In parallel, we sectioned numerous other species not included in our sampling, and characterized their anatomy to better assess the homogeneity within the trichomanoid clades.…”