Marine Macrostomorpha (Platyhelminthes, Rhabditophora) from the Algarve (Southern Portugal) Author Schockaert, Ernest R. text Zootaxa 2014 3872 5 577 590 journal article 42404 10.11646/zootaxa.3872.5.8 6fc961d2-9fd8-43b3-b10a-23ef5d9b3c20 1175-5326 226810 073E1555-ACF1-40AE-9CE4-342D256B8AE8 Microstomidae Luther, 1907 At least two species of the taxon Microstomum Schmidt, 1848 were observed, one with and one without trophically derived cnidarian nematocytes. The species could not be identified, since all individuals were sterile and reproducing by fission. Both species occurred in various sites in the Ria Formosa , often together.