Nomenclature
original description
Doe D.A. (1986) Ultrastructure of the copulatory organ of Haplopharynx quadristimulus and its phylogenetic significance (Plathelminthes, Haplopharyngida) Zoomorphology 106: 163-173, available online at https://doi.org/10.1007/bf00312205
page(s): 172; note: Doe does not propose the taxon Macrostomorpha at a specific taxonomic rank. [details]
From editor or global species database
Classification The classification used here is a compromise between the more traditional taxonomy of Neodermata vs. the turbellarians. Yet it reflects the fact that Neodermata is within free-living flatworms (i.e. turbellaria are paraphyletic). It mentions all traditional taxa that are found in phylogenetic studies (e.g. Laumer et al., 2015). Many of the "in-between" higher level taxa (such as Trepaxonemata etc.) are no longer in WoRMS (probably more user friendly that way). This also means an asymmetry between turbellarians (nine ordines) and Neodermata (superclass with three classes). [details]