127 lines
17 KiB
XML
127 lines
17 KiB
XML
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<mods:title id="F832BD565119BAC88369E4D24BB97E46">Two new species of the scorpionfish genus Trachyscorpia (Sebastidae: Sebastolobinae) from the southern Indo-West Pacific, with comments on the distribution of T. eschmeyeri.</mods:title>
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<mods:namePart id="713AA7B71E93BF6AEE9AC8B3F3787DB0">Hiroyuki Motomura</mods:namePart>
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<mods:namePart id="C150D4EC83D82644DF37A7B26701017C">Peter R. Last</mods:namePart>
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<mods:namePart id="D87651CAED77638E5FD8EA9691FC998C">Gordon K. Yearsley</mods:namePart>
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<mods:date id="4B1C6D81D2546A226DB1C846096589DD">2007</mods:date>
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<treatment id="6FAACE6F6E12249D18A94C985ED00EF7" ID-DOI="http://doi.org/10.5281/zenodo.6243123" ID-GBIF-Taxon="100117376" ID-Zenodo-Dep="6243123" LSID="urn:lsid:plazi:treatment:6FAACE6F6E12249D18A94C985ED00EF7" httpUri="http://treatment.plazi.org/id/6FAACE6F6E12249D18A94C985ED00EF7" lastPageNumber="20" pageNumber="19">
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<subSubSection id="4966142DA7C06E0FB062973D5E10A9F1" type="nomenclature">
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<paragraph id="19D17B348506417989292D9FDE35CEAB">
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[[ Genus
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<taxonomicName id="FA8A9A2C688398A7342E05A7FFC8E9CE" ID-CoL="648BG" ID-ENA="274694" LSID-ZBK="urn:lsid:zoobank.org:act:0707F8C9-8786-4D4C-8F2F-D9F66C7B96BF" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Trachyscorpia Ginsburg 1953:23, 57" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="genus">Trachyscorpia Ginsburg</taxonomicName>
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]]
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</paragraph>
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</subSubSection>
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<subSubSection id="1D6700FE303303A085DCFE99D9C2554E" type="discussion">
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<paragraph id="25055391B16C8D23DF1A558C06D63836" pageNumber="19">
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Species of the scorpionfish genus
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<taxonomicName id="09F4D54576B1E70681996D1B5B1238EF" LSID-ZBK="urn:lsid:zoobank.org:act:0707F8C9-8786-4D4C-8F2F-D9F66C7B96BF" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Trachyscorpia Ginsburg 1953:23, 57" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="genus">Trachyscorpia</taxonomicName>
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are deepwater, bottom dwelling, relatively large fishes, attaining at least 35 cm standard length. The genus was originally proposed for
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<taxonomicName id="D96EFA16DC63C39FDC3F1D467ECF86F7" LSID-ZBK="urn:lsid:zoobank.org:act:11430FA5-4F14-4077-9B05-5A5B1ACD7763" family="Scorpaenidae" genus="Scorpaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Scorpaena cristulata Goode & Bean 1896:246" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="cristulata">Scorpaena cristulata Goode & Bean, 1896</taxonomicName>
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by Ginsburg (1953) who simultaneously included
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<taxonomicName id="DAABD279E933810AFC9B008B6BFB010A" LSID-ZBK="urn:lsid:zoobank.org:act:6890D1BD-3149-4125-B41F-8C0DE4ED9144" family="Scorpaenidae" genus="Scorpaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Scorpaena echinata Köhler 1896:478" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="echinata">Scorpaena echinata Koehler, 1896</taxonomicName>
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in the genus. Subsequently, Eschmeyer (1969) added
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<taxonomicName id="E7C566F07F7C8B769278732B0AB17CC4" LSID-ZBK="urn:lsid:zoobank.org:act:607CEBB9-2FD7-454C-AFB3-E569BBD4C7A0" family="Scorpaenidae" genus="Scorpaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Scorpaena capensis Gmelin 1789:1219" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="capensis">Scorpaena capensis Gilchrist & von Bonde, 1924</taxonomicName>
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to
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<taxonomicName id="0729584AC4641B5C327939AC6A2B74B0" LSID-ZBK="urn:lsid:zoobank.org:act:0707F8C9-8786-4D4C-8F2F-D9F66C7B96BF" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Trachyscorpia Ginsburg 1953:23, 57" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="genus">Trachyscorpia</taxonomicName>
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. Eschmeyer (1969) tentatively regarded
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<taxonomicName id="92AD599DD9D234ABC4D7038C5300A1D7" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="cristulata">T. cristulata</taxonomicName>
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and
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<taxonomicName id="792858F248400BED4D223F242FBF45B3" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="echinata">T. echinata</taxonomicName>
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as the subspecies,
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<taxonomicName id="67A86BA6B55A36567824F3C688D929A3" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="subSpecies" species="cristulata" subSpecies="cristulata">T. cristulata cristulata</taxonomicName>
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and
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<taxonomicName id="E73CD37FC47049D39CD3970890DF98CD" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="subSpecies" species="cristulata" subSpecies="echinata">T. c. echinata</taxonomicName>
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. He also separated the species of
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<taxonomicName id="BC4DB1723DC5D2071D5412497E13D978" LSID-ZBK="urn:lsid:zoobank.org:act:0707F8C9-8786-4D4C-8F2F-D9F66C7B96BF" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Trachyscorpia Ginsburg 1953:23, 57" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="genus">Trachyscorpia</taxonomicName>
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into two subgenera,
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<taxonomicName id="14903B20D9A3BF3955176D66AE55EAD0" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="subGenus" subGenus="Trachyscorpia">Trachyscorpia</taxonomicName>
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(type species:
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<taxonomicName id="508788084C55B43A8104D3A5D2568C2F" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="cristulata">T. cristulata</taxonomicName>
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) and
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<taxonomicName id="759C4B696FE6D8424EBDE7D19D2CD2C9" LSID-ZBK="urn:lsid:zoobank.org:act:D5DE802B-B69B-40F4-B1AA-BF04007442BA" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Mesoscorpia Trachyscorpia Eschmeyer 1969:50" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="subGenus" subGenus="Mesoscorpia">Mesoscorpia</taxonomicName>
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(
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<taxonomicName id="95CA0FDEA8BA11B9FFF39C90B534D2D7" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="capensis">T. capensis</taxonomicName>
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), the latter being his new subgenus.
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</paragraph>
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<paragraph id="B9DFC9A4E1FFCEF94ED105E6E346212F" pageNumber="19">
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The genus
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<taxonomicName id="1B50D4A0BEE9C207807BD8F2BD433258" LSID-ZBK="urn:lsid:zoobank.org:act:0707F8C9-8786-4D4C-8F2F-D9F66C7B96BF" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Trachyscorpia Ginsburg 1953:23, 57" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="genus">Trachyscorpia</taxonomicName>
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is characterized by the following combination of characters: occiput flat, lacking pit; first preopercular spine largest; head bones strongly ossified; suborbital ridge well developed, with usually 5 or more spines; palatine teeth present; dorsal-fin spines 12 or 13; vertebrae 25 or 26; pectoral-fin margin bilobed; lateral line complete, extending onto caudal-fin base; and scales on the body ctenoid (Eschmeyer, 1969; this study).
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</paragraph>
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<paragraph id="BA9DB313DDCA3438529B8EDA48F5DC0A" pageNumber="19">
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<taxonomicName id="9F5221FE49F9D6D0B10D5FF0543B7E25" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="capensis">Trachyscorpia capensis</taxonomicName>
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was described as a new species of
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<taxonomicName id="4E945843798F359360938C047F99981F" family="Scorpaenidae" genus="Scorpaena" higherTaxonomySource="CoL" kingdom="Animalia" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="genus">Scorpaena</taxonomicName>
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from the west coast of South Africa from three specimens (whereabouts of the syntypes currently unknown; e.g., Eschmeyer, 1998). Although the name
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<taxonomicName id="4544857273FA304B0BA8A4F4380BCFE1" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="capensis">T. capensis</taxonomicName>
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has been used in many publications since Eschmeyer (1969) (e.g., Eschmeyer, 1986; Ishida, 1990; Pakhorukov, 2001),
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<taxonomicName id="82BAE54FFE5E20415E5FD0651D39AF19" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="capensis">T. capensis</taxonomicName>
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is permanently invalid because it was preoccupied by
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<taxonomicName id="710CFD0AEAD18EAA1E5835B990F69C08" LSID-ZBK="urn:lsid:zoobank.org:act:607CEBB9-2FD7-454C-AFB3-E569BBD4C7A0" family="Scorpaenidae" genus="Scorpaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Scorpaena capensis Gmelin 1789:1219" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="capensis">Scorpaena capensis Gmelin, 1789</taxonomicName>
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, which is currently recognized as
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<taxonomicName id="B7F4D72CE767A1086BCB0D336D1AD2B4" family="Sebastidae" genus="Sebastes" higherTaxonomySource="CoL" kingdom="Animalia" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="capensis">Sebastes capensis</taxonomicName>
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. Whitley (1970) proposed a replacement name,
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<taxonomicName id="C73D53366A13A08098A905531CAB639E" LSID-ZBK="urn:lsid:zoobank.org:act:CF345025-EF7E-432B-B370-B010B63DB47E" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Trachyscorpia Mesoscorpia eschmeyeri Whitley 1970:245" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="eschmeyeri">T. eschmeyeri</taxonomicName>
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, for Gilchrist and von Bonde’s
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<taxonomicName id="25D2DDF6965A412442C6F363955C7CE4" LSID-ZBK="urn:lsid:zoobank.org:act:607CEBB9-2FD7-454C-AFB3-E569BBD4C7A0" family="Scorpaenidae" genus="Scorpaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Scorpaena capensis Gmelin 1789:1219" order="Scorpaeniformes" pageNumber="19" phylum="Chordata" rank="species" species="capensis">Scorpaena capensis</taxonomicName>
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.
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</paragraph>
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<paragraph id="D252278F39DC8E2E9E28043AEE6182D6" pageNumber="20">
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The species of
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<taxonomicName id="4248AC353CB6A0341C58E2339194BD03" LSID-ZBK="urn:lsid:zoobank.org:act:0707F8C9-8786-4D4C-8F2F-D9F66C7B96BF" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Trachyscorpia Ginsburg 1953:23, 57" order="Scorpaeniformes" pageNumber="20" phylum="Chordata" rank="genus">Trachyscorpia</taxonomicName>
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from Australasian waters (mostly reported as
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<taxonomicName id="CCE7249F22AC824BDDD8855543F19CBA" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" order="Scorpaeniformes" pageNumber="20" phylum="Chordata" rank="species" species="capensis">T. capensis</taxonomicName>
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) has been recognized as containing two sympatric morphotypes by several ichthyologists for a long time (e.g., Daley et al, 1997; A. Stewart and C. Paulin, pers. comm., 2004). Our further examinations of specimens from the region showed that the two morphotypes represent
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<taxonomicName id="8E69332A7A30EB229A9EA2B48263E1F9" LSID-ZBK="urn:lsid:zoobank.org:act:CF345025-EF7E-432B-B370-B010B63DB47E" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Trachyscorpia Mesoscorpia eschmeyeri Whitley 1970:245" order="Scorpaeniformes" pageNumber="20" phylum="Chordata" rank="species" species="eschmeyeri" subGenus="Mesoscorpia">T. (M.) eschmeyeri</taxonomicName>
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and a distinct new species of
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<taxonomicName id="10F4E2B1563EAF0EEEAEF001EFEC23D9" LSID-ZBK="urn:lsid:zoobank.org:act:D5DE802B-B69B-40F4-B1AA-BF04007442BA" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Mesoscorpia Trachyscorpia Eschmeyer 1969:50" order="Scorpaeniformes" pageNumber="20" phylum="Chordata" rank="subGenus" subGenus="Mesoscorpia">Trachyscorpia (Mesoscorpia)</taxonomicName>
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. In addition, during examination of the Australasian specimens, another new species was found at the Australian National Fish Collection (CSIRO). This new species was collected from the South-West Indian Ridge, southwestern Indian Ocean (ca. 1,700 km south of the southern tip of Madagascar), and resembles the Australasian new species rather than
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<taxonomicName id="4820CC1A3003100E37C3B053D2148166" LSID-ZBK="urn:lsid:zoobank.org:act:CF345025-EF7E-432B-B370-B010B63DB47E" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Trachyscorpia Mesoscorpia eschmeyeri Whitley 1970:245" order="Scorpaeniformes" pageNumber="20" phylum="Chordata" rank="species" species="eschmeyeri" subGenus="Mesoscorpia">T. (M.) eschmeyeri</taxonomicName>
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. The two new species are herein described in detail, along with a redefinition of the subgenus
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<taxonomicName id="AC06F795CD6450BC710C3F1FD8BB7FF0" LSID-ZBK="urn:lsid:zoobank.org:act:D5DE802B-B69B-40F4-B1AA-BF04007442BA" family="Sebastidae" genus="Trachyscorpia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Mesoscorpia Trachyscorpia Eschmeyer 1969:50" order="Scorpaeniformes" pageNumber="20" phylum="Chordata" rank="subGenus" subGenus="Mesoscorpia">Mesoscorpia</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |