uncertain > taxon inquirendum (Pereyeslawzewa (1892) described the species from one specimen only, which was quickly damaged. The figure (reproduced by Graff, 1913) possibly allows a positive identification in case the species is found again. )
(ofMacrorhynchus spiralis Pereyaslawzewa, 1892)Pereyaslawzewa, S. (1892). Monographie des Turbellariés de la Mer Noire. <em>Memoires de la Sociéte des Naturalistes de la Nouvelle-Russie.</em> 17: 1-303.[details]
original description(ofMacrorhynchus spiralis Pereyaslawzewa, 1892)Pereyaslawzewa, S. (1892). Monographie des Turbellariés de la Mer Noire. <em>Memoires de la Sociéte des Naturalistes de la Nouvelle-Russie.</em> 17: 1-303.[details]
Present Inaccurate Introduced: alien Containing type locality