A new species of Cryptomonas (Cryptophyceae) from the Western Urals (Russia) Author Martynenko, Nikita A. K. А. Timiryazev Institute of Plant Physiology RAS, IPP RAS, 35 Botanicheskaya Street, Moscow, 127276 Russia nikita-martynenko@yandex.ru Author Gusev, Evgeniy S. K. А. Timiryazev Institute of Plant Physiology RAS, IPP RAS, 35 Botanicheskaya Street, Moscow, 127276 Russia. algogus@yandex.ru Author Kulizin, Pavel V. Lobachevsky State University of Nizhniy Novgorod, Gagarina Prosp., 23, 603950 Nizhniy Novgorod, Russia kulizinpavel@yandex.ru Author Guseva, Elena E. K. А. Timiryazev Institute of Plant Physiology RAS, IPP RAS, 35 Botanicheskaya Street, Moscow, 127276 Russia mielenagus@yandex.ru Author McCartney, Kevin University of Maine at Presque Isle, Department of Environmental Science and Sustainability, 181 Main Street, Presque Isle, 04769 U. S. A. kevin.mccartney@maine.edu Author Kulikovskiy, Maxim S. K. А. Timiryazev Institute of Plant Physiology RAS, IPP RAS, 35 Botanicheskaya Street, Moscow, 127276 Russia max-kulikovsky@yandex.ru text European Journal of Taxonomy 2020 2020-05-20 649 1 12 journal article 21996 10.5852/ejt.2020.649 f9ca5f83-6010-4580-ad47-8b9b7d8b8374 2118-9773 3836109 Cryptomonas uralensis Martynenko, Gusev, Kulizin & Guseva sp. nov. Figs 2–12 Diagnosis Cells (absolute minimal and maximal values of strain UR168) 15–26 µm long, 8–17 µm wide, 8–12 µm thick. Cells more or less flattened in dorso-ventral plane, in ventral view elliptical to ovoid. In lateral view with oblique or rounded apex and rounded antapex. One plastid with two to four pyrenoids. Species differs from other species of the genus by the order of nucleotides in nuclear ITS2, LSU and SSU rDNA gene sequences. Etymology The species name derived from “Ural”, the region from which this taxon was described. Type material Holotype RUSSIA • Solikamsk town , water-body in the Usolka River flood plain ; 59°38′59″ N , 56°44′57″ E ; 2014; collected by N.A. Martynenko ; strain UR168; GenBank MN509781 , MN509779 ; MHA [ Cryptomonas uralensis Russia Martynenko 20-2 MHA, strain UR168]. The holotype is a large drop of unfixed dried cells of the strain UR168 (= IPPAS H-2046) on water colour paper ( hic designatus ), deposited at MHA (Herbarium, Main Botanical Garden, Botanicheskaya Str. 4, Moscow , 127276, Russia ) under the designation Cryptomonas uralensis Russia Martynenko 20-2 MHA , strain UR168. Representative living strain and DNA sample are kept at IPPAS . Representative DNA sequences GenBank accession numbers MN 509781 (nuclear ITS 2 and partial nuclear LSU rDNA), and MN 509779 (nuclear SSU rDNA). Authentic strain UR168 (= IPPAS H-2046). Type locality A water-body in the Usolka River flood plain, Solikamsk town, Russia . Latitude/Longitude 59°38′59″ N , 56°44′57″ E , collected by N.A. Martynenko in 2014. Other representative culture UR167, GenBank accession numbers MN 509780 (nuclear ITS 2 and partial nuclear LSU rDNA), and MN 509778 (nuclear SSU rDNA). Geographical distribution To date, Cryptomonas uralensis sp. nov. has only been observed at the type locality. At the time of collection, the pH was 6.5, temperature 18°C.