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Squalus clarkae sp. nov., a new dogfish shark from the Northwest Atlantic and Gulf of Mexico, with comments on the Squalus mitsukurii species complex

https://doi.org/10.11646/zootaxa.4444.2.1
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(2007b) <em>Descriptions of new dogfishes of the genus 'Squalus' (Squaloidea: Squalidae)</em>. CSIRO Marine and Atmospheric Research, Hobart, Tasmania, 130 pp.<br /> https://doi.org/10.4225/08/58615c42b11ce</p><p class="HeadingRunIn">Last, P.R., White, W.T., Pogonoski, J.J., Gledhill, D.C., Yearsley, G.K. &amp; Ward, D.C. (2007c) Part 1—Application of a rapid taxonomic approach to the genus <em>Squalus</em>. <em>In</em>: Last, P.R., White, W.T. &amp; Pogonoski, J.J. (Eds.), <em>Descriptions of new dogfishes of the genus Squalus (Squaloidea: Squalidae)</em>. CSIRO Marine and Atmospheric Research, Hobart, Tasmania pp. 1–10. https://doi.org/10.4225/08/58615c42b11ce</p><p class="HeadingRunIn">Litvinov, F.F. (1990) Ecological characteristics of the dogfish, <em>Squalus mitsukurii</em> from the Sala-y-Gomez Seamounts. <em>J. Ichth</em>, 30, 104–115.</p><p class="HeadingRunIn">Lucifora, L.O., Valero, J.L. &amp; García, V.B. 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(2013) Evolutionary relations of Hexanchiformes deep-sea sharks elucidated by whole mitochondrial genome sequences. <em>BioMed research international</em>, 2013, 147064. <br /> https://doi.org/10.1155/2013/147064</p><p class="HeadingRunIn">Tanaka, S., Shiobara, Y., Hioki, S., Abe, H., Nishi, G., Yano, K. &amp; Suzuki, K. (1990) The reproductive biology of the frilled shark, <em>Chlamydoselachus anguineus</em>, from Suruga Bay, Japan. <em>Japanese Journal of Ichthyology</em>, 37 (3), 273–291.<br /> https://doi.org/10.11369/jji1950.37.273</p><p class="HeadingRunIn">Tanaka, S., Teshima, K. &amp; Mizue, K. (1975) Studies on Sharks―X Morphological and Ecological Study on the Reproductive Organs in Male <em>Heptranchias perlo</em>. <em>Bulletin of the Faculty of Fisheries, Nagasaki University</em>, 40, 15–22.</p><p class="HeadingRunIn">Tomita, T., Cotton, C.F. &amp; Toda, M. (2016) Ultrasound and physical models shed light on the respiratory system of embryonic dogfishes. <em>Zoology</em>, 119 (1), 36–41.<br /> https://doi.org/10.1016/j.zool.2015.09.002</p><p class="HeadingRunIn">Veríssimo, A., McDowell, J.R. &amp; Graves, J.E. (2010) Global population structure of the spiny dogfish <em>Squalus acanthias</em>, a temperate shark with an antitropical distribution. <em>Molecular Ecology</em>, 19 (8), 1651–1662. <br /> https://doi.org/10.1111/j.1365-294X.2010.04598.x</p><p class="HeadingRunIn">Veríssimo, A., Zaera‐Perez, D., Leslie, R., Iglésias, S.P., Séret, B., Grigoriou, P., Sterioti, A., Gubili, C., Barría, C. &amp; Duffy, C. (2017) Molecular diversity and distribution of eastern Atlantic and Mediterranean dogfishes <em>Squalus</em> highlight taxonomic issues in the genus. <em>Zoologica Scripta</em>, 46 (4), 414–428. <br /> https://doi.org/10.1111/zsc.12224</p><p class="HeadingRunIn">Viana, S.T., Carvalho, M.R. &amp; Gomes, U.L. (2016) Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae). <em>Zootaxa</em>, 4133 (1), 1–89.<br /> https://doi.org/10.11646/zootaxa.4133.1.1</p><p class="HeadingRunIn">Ward, R.D., Holmes, B.H., Zemlak, T.S. &amp; Smith, P.J. (2007) Part 12—DNA barcoding discriminates spurdogs of the genus <em>Squalus</em>. <em>In:</em> Last, P.R., White, W.T. &amp; Pogonoski, J.J. (Eds.), <em>Descriptions of New Dogfishes of the Genus Squalus (Squaloidea: Squalidae)</em>. CSIRO Marine and Atmospheric Research, Tasmania, Australia pp. 117–130.<br /> https://doi.org/10.4225/08/58615c42b11ce</p><p class="HeadingRunIn">Watson, R.A. &amp; Morato, T. (2013) Fishing down the deep: Accounting for within-species changes in depth of fishing. <em>Fisheries Research</em>, 140, 63–65.<br /> https://doi.org/10.1016/j.fishres.2012.12.004</p><p class="HeadingRunIn">White, W.T. &amp; Iglésias, S.P. (2011) <em>Squalus formosus</em>, a new species of spurdog shark (Squaliformes: Squalidae), from the western North Pacific Ocean. <em>Journal of Fish Biology</em>, 79 (4), 954–968. <br /> https://doi.org/10.1111/j.1095-8649.2011.03068.x</p><p class="HeadingRunIn">Wilson, C.D. &amp; Seki, M.P. (1994) Biology and population characteristics of <em>Squalus mitsukurii</em> from a seamount in the central North Pacific Ocean. <em>Fisheries Bulletin</em>, 92, 851–864.</p><p class="HeadingRunIn">Yano, K. &amp; Tanaka, S. (1984) Review of the deep sea squaloid shark genus <em>Scymnodon</em> of Japan, with a description of a new species. <em>Japanese Journal of Ichthyology</em>, 30 (4), 341–360.<br /> https://doi.org/10.11369/jji1950.30.341</p><p class="HeadingRunIn">Yano, T., Ohshimo, S., Kanaiwa, M., Hattori, T., Fukuwaka, M.A., Nagasawa, T. &amp; Tanaka, S. 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