Traits taxon details
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]
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