bioRxivZoology
Wide distributions and cryptic diversity within a Microstomum (Platyhelminthes) species complex
Abstract
Microstomum lineare is a common species of fresh and brackish waters found worldwide. Three genes (18S, CO1, ITS) were sequenced from specimens of M. lineare collected from four countries and the levels of cryptic diversity and genetic structuring was assessed. Results showed M. lineare has very wide haplotype distributions suggesting higher than expected dispersal capabilities. In addition, three new species were described on the basis of molecular taxonomy: Microstomum artoisi sp. nov., Microstomum tchaikovskyi sp. nov., and Microstomum zicklerorum sp. nov.
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