Hiroshi Kajihara,¹ Mark J. Grygier,² Sónia C. S. Andrade,³ Thomas Bartolomaeus,⁴ Irina A. Cherneva,⁵ Alexei V. Chernyshev,⁶ Jörn von Döhren,⁴ Christina I. Ellison,⁷ Ray Gibson,⁸ Gonzalo Giribet,⁹ Terra C. Hiebert,⁷ Natsumi Hookabe,¹⁰ Juan Junoy,¹¹ Sebastian Kvist,^12,13 Svetlana A. Maslakova,⁷ Cecili B. Mendes,¹⁴ Jon L. Norenburg,¹⁵ Neonila E. Polyakova,¹⁶ Christina Sagorny,⁴ Megan L. Schwartz,¹⁷ Malin Strand,¹⁸ Shichun Sun,¹⁹ James M. Turbeville,²⁰ Eduardo E. Zattara<sup>21

1</sup>Department of Biological Sciences, Faculty of Science, Hokkaido University, N10W8 Kita-ku, Sapporo 060-0810, Japan ()
²Center of Excellence for the Oceans, National Taiwan Ocean University, No. 2, Beining Rd., Zhongzheng District, Keelung City 202301, Taiwan ()
³Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, Rua do Matão 277, São Paulo 05508-090, Brazil ()
⁴Institute of Evolutionary Biology and Ecology, University of Bonn, An der Immenburg 1, D-53121 Bonn, Germany ()
⁵Department of Invertebrate Zoology, Lomonosov Moscow State University, Leninskie gory 1/12, Moscow 119234, Russia ()
⁶A.V. Zhirmunsky National Scientific Center of Marine Biology, Far East Branch of the Russian Academy of Sciences, Palchevskogo Street 17, Vladivostok 690041, Russia ()
⁷Oregon Institute of Marine Biology, University of Oregon, 63466 Boat Basin Road, Charleston, Oregon 97420, U.S.A. ()
⁸School of Biological and Environmental Sciences, Liverpool John Moores University, 3 Byrom Street, Liverpool L3 3AF, U.K. ()
⁹Museum of Comparative Zoology & Department of Organismic and Evolutionary Biology, Harvard University, 26 Oxford Street, Cambridge, Massachusetts 02138, U.S.A. ()
¹⁰Misaki Marine Biological Station, The University of Tokyo, 1024 Koajiro, Misaki, Miura, Kanagawa 238-0225, Japan ()
¹¹Departamento de Ciencias de la Vida, Faculdad de Ciencias, Apdo. 20, Universidad de Alcalá, 28805 Alcalá de Henares, Spain ()
¹²Department of Natural History, Royal Ontario Museum, 100 Queen's Park, Toronto, Ontario M5S 2C6, Canada
¹³Department of Ecology and Evolutionary Biology, University of Toronto, 25 Willcocks Street, Toronto, Ontario M5S 2B4, Canada ()
¹⁴Laboratório de Diversidade Genômica, Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, Rua do Matão 277, São Paulo 05508-090, Brazil ()
¹⁵Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington DC 20560-0163, U.S.A. ()
¹⁶A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, Palchevskogo Street 17, Vladivostok 690041, Russia ()
¹⁷School of Interdisciplinary Arts and Sciences, University of Washington Tacoma, 1900 Commerce Street, Tacoma, Washington 98402-3100, U.S.A. ()
¹⁸Swedish Species Information Centre, Swedish University of Agricultural Sciences, Box 7007, SE-750 07 Uppsala, Sweden ()
¹⁹Institute of Evolution & Marine Biodiversity, Ocean University of China, 5 Yushan Road, Qingdao 266003, China ()
²⁰Department of Biology, Virginia Commonwealth University, Richmond, Virginia 23284, U.S.A. ()
²¹Instituto Nacional de Investigaciones en Biodiversidad y Medio Ambiente (INIBIOMA), CONICET - Universidad Nacional del Comahue, Quintral 1250, Bariloche, 8400 Río Negro, Argentina ()