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Microstomidae (Platyhelminthes: Macrostomorpha) diversity has been almost entirely ignored within recent years, likely due to… Expand In this study, two new brackish-water species of Macrostomum (M. shenda n. sp. and M. spiriger n. sp.) collected from Shenzhen… Expand Two new species of Macrostomum (Platyhelminthes: Macrostomorpha), M. shiyanensis n. sp. and M. lankouensis n. sp. are described… Expand FIGURE 7. The Bayesian phylogenetic tree of the selected Macrostomum and outgroup species inferred from concatenated sequences of… Expand The Macrostomorpha-an early branching and species-rich clade of free-living flatworms-is attracting interest because it contains… Expand Summary The interrelationships of the flatworms (phylum Platyhelminthes) are poorly resolved despite decades of morphological and… Expand Ten species of Macrostomorpha were found in marine environments of the Algarve (Portugal). Six of them were found in the Ria… Expand Macrostomum lignano n. sp. is a member of the Macrostomorpha, the basal-most subtaxon of the Platyhelminthes–Rhabditophora. This… Expand Macrostomum lignano n. sp. is a member of the Macrostomorpha, the basal-most subtaxon of the Platyhelminthes–Rhabditophora. This… Expand Abstract The fine structure of spermiogenesis and spermatozoa in three species of the Macrostomorpha was studied, with emphasis… Expand