@article{Novak_Slana Novak_Kozel_Schaider_Komposch_Lipovšek_Podlesnik_Paušič_Raspotnig_2021, title={Hidden diversity within the Nemastoma bidentatum Roewer, 1914 complex (Opiliones: Nemastomatidae) Part I: Morphological evidence}, volume={777}, url={https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/1561}, DOI={10.5852/ejt.2021.777.1561}, abstractNote={<p><em>Nemastoma bidentatum</em> Roewer, 1914 is a complex of closely related litter-dwelling harvestmen, characterized by a penis glans with two pairs of lateral lancet-like spines, and a femur IV with a saw-like series of pointed tubercles. Here we a) revise the hitherto known taxa within the<em> N. bidentatum</em> complex, and b) analyze in detail the relations among the taxa in Slovenia. The study revealed that the<em> N. bidentatum</em> complex consists of four species: <em>N. bidentatum</em> Roewer, 1914 s. str., <em>N. relictum</em> Gruber &amp; Martens, 1968 stat. nov., <em>N. pluridentatum</em> (Hadži, 1973) stat. nov. and <em>N. kozari</em> Novak, Kozel, Podlesnik &amp; Raspotnig sp. nov. Moreover, <em>N. bidentatum</em> s. str. consists of six subspecies: <em>N. bidentatum bidentatum</em> Roewer, 1914, <em>N. bidentatum sparsum</em> Gruber &amp; Martens, 1968, <em>N. bidentatum gruberi</em> Novak, Slana Novak, Kozel &amp; Raspotnig ssp. nov., <em>N. bidentatum martensi</em> Novak, Slana Novak &amp; Raspotnig ssp. nov., <em>N. bidentatum schmidti</em> Novak, Raspotnig &amp; Slana Novak ssp. nov. and <em>N. bidentatum sneznikensis</em> Novak, Komposch, Slana Novak &amp; Raspotnig ssp. nov. In Slovenia, the six subspecies of <em>N. bidentatum</em> form a parapatric complex around <em>N. bidentatum schmidti</em>. Hybrids occur in the contact zones between adjacent subspecies, but they are missing between distant subspecies. The taxonomic distinction of lineages / subspecies is congruent with their distribution patterns. With six of the nine taxa present, Slovenia is considered the center of the <em>N. bidentatum</em> complex speciation. At the time being, this complex is the most diversified harvestman group on a subspecific and young-species level and provides important details on speciation processes in Opiliones.</p>}, number={1}, journal={European Journal of Taxonomy}, author={Novak, Tone and Slana Novak, Ljuba and Kozel, Peter and Schaider, Miriam Gudrun and Komposch, Christian and Lipovšek, Saška and Podlesnik, Jan and Paušič, Igor and Raspotnig, Günther}, year={2021}, month={Oct.}, pages={1-67} }