479 lines
49 KiB
XML
479 lines
49 KiB
XML
<document id="C0A75582E7113C98746CC2B8C5B92D93" ID-DOI="10.11646/zootaxa.5506.1.2" ID-ISSN="1175-5326" ID-Zenodo-Dep="13746099" ID-ZooBank="DC6C5929-1C30-404A-A013-7DEC2A1DBAF1" IM.bibliography_approvedBy="carolina" IM.illustrations_approvedBy="carolina" IM.materialsCitations_approvedBy="carolina" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="carolina" IM.taxonomicNames_approvedBy="carolina" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="carolina" checkinTime="1726052586162" checkinUser="plazi" docAuthor="Tighe, Kenneth A., Smith, David G., Merrett, Nigel R., Frable, Benjamin W. & Zajonz, Uwe" docDate="2024" docId="0F748798FF827711FF76F000FA0D06DC" docLanguage="en" docName="zootaxa.5506.1.2.pdf" docOrigin="Zootaxa 5506 (1)" docSource="http://dx.doi.org/10.11646/zootaxa.5506.1.2" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Ilyophinae" docType="key" docVersion="1" lastPageNumber="55" masterDocId="F34DFFE0FF907705FFEEF64AFF900210" masterDocTitle="Redescription of the eel Ilyophis arx Robins, 1976 (Anguilliformes: Synaphobranchidae: Ilyophinae) with a description of a new species of Ilyophis, and a taxonomic synopsis of the Ilyophinae" masterLastPageNumber="57" masterPageNumber="35" pageNumber="53" updateTime="1726242107297" updateUser="carolina" zenodo-license-document="CLOSED">
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<mods:title id="F3BDE262872CBC704CE6A6903B79558A">Redescription of the eel Ilyophis arx Robins, 1976 (Anguilliformes: Synaphobranchidae: Ilyophinae) with a description of a new species of Ilyophis, and a taxonomic synopsis of the Ilyophinae</mods:title>
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<mods:namePart id="63ABAF2AC198CA006E1E87DF54FB6E7F">Tighe, Kenneth A.</mods:namePart>
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<mods:affiliation id="D98E865E21F4333BBB2E3082E060E522">Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, D. C., U. S. A.</mods:affiliation>
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<mods:namePart id="CC828C615893EDEF0295077E75276895">Smith, David G.</mods:namePart>
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<mods:affiliation id="53611418BD2CE34813B9C3CE40E1A5DB">Smithsonian Institution, Museum Support Center, Suitland, MD, U. S. A.</mods:affiliation>
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<mods:namePart id="59B8656B9C727964F8D4427F6CA53D2B">Merrett, Nigel R.</mods:namePart>
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<mods:affiliation id="3C155B619283DBDE82E7C319ABD04222">Muttlebury’s Mead, Chard Street, Thorncombe, Chard, TA 20 4 NB, U. K.</mods:affiliation>
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<mods:namePart id="C811CD0F3B2161DEBDCC342FDD710516">Frable, Benjamin W.</mods:namePart>
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<mods:nameIdentifier id="850FD4D62B5E5775F8D1D85452E694AD" type="email">bfrable@ucsd.edu</mods:nameIdentifier>
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<mods:namePart id="82BA1FFFC71133212F4EB491962DAE29">Zajonz, Uwe</mods:namePart>
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<mods:affiliation id="97E06A67F69CC12751BAE101EABC2081">Ichthyology Section, Department of Marine Zoology, Senckenberg Research Institute and Museum of Nature, Senckenberg Society of Nature Research, Frankfurt am Main, Germany.</mods:affiliation>
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<mods:title id="CEB3B3F913F14DA6D4D556D67AA53B50">Zootaxa</mods:title>
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<mods:date id="C95476D471B582BF040825BB6449F9F8">2024</mods:date>
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<mods:number id="C951A00ED4795D6F0AD2C773CBFFB80F">2024-09-05</mods:number>
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<mods:number id="B3709DB73BD5D8AD87CB7AC36F7E5484">5506</mods:number>
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<mods:url id="5B06876F450AFFECC1AC7447140F8D0B">http://dx.doi.org/10.11646/zootaxa.5506.1.2</mods:url>
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<mods:classification id="EEA088161609E403B6A04ACAD24F8F68">journal article</mods:classification>
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<mods:identifier id="A80258748DF14A436F91469F9095DCF7" type="ISSN">1175-5326</mods:identifier>
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<treatment id="0F748798FF827711FF76F000FA0D06DC" LSID="urn:lsid:plazi:treatment:0F748798FF827711FF76F000FA0D06DC" httpUri="http://treatment.plazi.org/id/0F748798FF827711FF76F000FA0D06DC" lastPageId="20" lastPageNumber="55" pageId="18" pageNumber="53">
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<subSubSection id="CFC76505FF827717FF76F000FC080474" box="[152,920,1610,1637]" pageId="18" pageNumber="53" type="nomenclature">
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ARTIFICIAL KEY TO THE SPECIES OF
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<taxonomicName id="40DD4D0DFF827717FD3AF000FC080474" authority="Gilbert, 1891" box="[724,920,1610,1636]" family="Ilyophidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Anguilliformes" pageId="18" pageNumber="49" phylum="Chordata" rank="subFamily" subFamily="Ilyophinae">ILYOPHINAE</taxonomicName>
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<paragraph id="8762368EFF827717FF79F0C3FA0C048E" blockId="18.[151,1436,1673,1724]" box="[151,1436,1673,1695]" pageId="18" pageNumber="53">
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<keyLead id="3C2C95BBFF827717FF79F0C3FA0C048E" box="[151,1436,1673,1695]" pageId="18" pageNumber="53">1a. Vomerine teeth compound, uniserial...................................................................... 2</keyLead>
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</paragraph>
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<paragraph id="8762368EFF827717FF79F0ECFA0C04AB" blockId="18.[151,1436,1673,1724]" box="[151,1436,1702,1724]" pageId="18" pageNumber="53">
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<keyLead id="3C2C95BBFF827717FF79F0ECFA0C04AB" box="[151,1436,1702,1724]" pageId="18" pageNumber="53">1b. Vomerine teeth simple, in one or more rows............................................................... 23</keyLead>
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</paragraph>
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<keyStep id="3C292E2BFF827717FF79F0ABFA0C0503" pageId="18" pageNumber="53">
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<paragraph id="8762368EFF827717FF79F0ABFA0C04E6" blockId="18.[151,1436,1761,1812]" box="[151,1436,1761,1783]" pageId="18" pageNumber="53">
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<keyLead id="3C2C95BBFF827717FF79F0ABFA0C04E6" box="[151,1436,1761,1783]" pageId="18" pageNumber="53">2a. Pectoral fins absent................................................................................... 3</keyLead>
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</paragraph>
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<paragraph id="8762368EFF827717FF79F0B4FA0C0503" blockId="18.[151,1436,1761,1812]" box="[151,1436,1790,1812]" pageId="18" pageNumber="53">
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<keyLead id="3C2C95BBFF827717FF79F0B4FA0C0503" box="[151,1436,1790,1812]" pageId="18" pageNumber="53">2b. Pectoral fins present.................................................................................. 9</keyLead>
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</paragraph>
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</keyStep>
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<keyStep id="3C292E2BFF827717FF79F173FA0C057B" pageId="18" pageNumber="53">
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<paragraph id="8762368EFF827717FF79F173FA0D055E" blockId="18.[151,1437,1849,1900]" box="[151,1437,1849,1871]" pageId="18" pageNumber="53">
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<keyLead id="3C2C95BBFF827717FF79F173FA0D055E" box="[151,1437,1849,1871]" pageId="18" pageNumber="53">
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3a. Trunk very short, about half head length................................................
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<taxonomicName id="40DD4D0DFF827717FB46F170FA0D055E" authorityName="Ho & Tighe" authorityYear="2018" box="[1192,1437,1849,1871]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="18" pageNumber="53" phylum="Chordata" rank="species" species="brachygnathos">Dysomma brachygnathos</taxonomicName>
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</keyLead>
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</paragraph>
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<paragraph id="8762368EFF827717FF79F11CFA0C057B" blockId="18.[151,1437,1849,1900]" box="[151,1436,1878,1900]" pageId="18" pageNumber="53">
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<keyLead id="3C2C95BBFF827717FF79F11CFA0C057B" box="[151,1436,1878,1900]" pageId="18" pageNumber="53">3b. Trunk longer, about twice head length.................................................................... 4</keyLead>
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</paragraph>
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</keyStep>
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<keyStep id="3C292E2BFF827717FF79F1DBFA0C05D4" pageId="18" pageNumber="53">
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<paragraph id="8762368EFF827717FF79F1DBFA0D05B6" blockId="18.[151,1437,1937,1988]" box="[151,1437,1937,1959]" pageId="18" pageNumber="53">
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<keyLead id="3C2C95BBFF827717FF79F1DBFA0D05B6" box="[151,1437,1937,1959]" pageId="18" pageNumber="53">
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4a. Three large intermaxillary teeth projecting downward from tip of snout in front of lower jaw............
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<taxonomicName id="40DD4D0DFF827717FB1AF1D8FA0D05B6" authorityName="Robins, Bohlke & Robins" authorityYear="1989" box="[1268,1437,1937,1959]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="18" pageNumber="53" phylum="Chordata" rank="species" species="tridens">Dysomma tridens</taxonomicName>
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</keyLead>
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</paragraph>
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<paragraph id="8762368EFF827717FF79F1E4FA0C05D4" blockId="18.[151,1437,1937,1988]" box="[151,1436,1966,1988]" pageId="18" pageNumber="53">
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<keyLead id="3C2C95BBFF827717FF79F1E4FA0C05D4" box="[151,1436,1966,1988]" pageId="18" pageNumber="53">b. Two intermaxillary teeth, not projecting from snout.......................................................... 5</keyLead>
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</paragraph>
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<keyStep id="3C292E2BFF837716FF79F6DDFA0C02DB" pageId="19" pageNumber="54">
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<paragraph id="8762368EFF837716FF79F6DDFA0C02BC" blockId="19.[151,1436,151,203]" box="[151,1436,151,173]" pageId="19" pageNumber="54">
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<keyLead id="3C2C95BBFF837716FF79F6DDFA0C02BC" box="[151,1436,151,173]" pageId="19" pageNumber="54">
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5a. Tip of snout and chin bulbous, with conspicuous papillae and ridges; vertebrae greater than 190.....
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<taxonomicName id="40DD4D0DFF837716FB20F6D2FA0C02BC" baseAuthorityName="Facciola" baseAuthorityYear="1887" box="[1230,1436,151,173]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="brevirostre">Dysomma brevirostre</taxonomicName>
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</keyLead>
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</paragraph>
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<paragraph id="8762368EFF837716FF79F6FFFA0C02DB" blockId="19.[151,1436,151,203]" box="[151,1436,181,203]" pageId="19" pageNumber="54">
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<keyLead id="3C2C95BBFF837716FF79F6FFFA0C02DB" box="[151,1436,181,203]" pageId="19" pageNumber="54">5b. Snout only modestly ornamented, papillae not obvious; vertebrae less than 165.................................... 6</keyLead>
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</paragraph>
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<keyStep id="3C292E2BFF837716FF79F6A5FA0C0332" pageId="19" pageNumber="54">
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<paragraph id="8762368EFF837716FF79F6A5FA0C0315" blockId="19.[151,1436,239,291]" box="[151,1436,239,261]" pageId="19" pageNumber="54">
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<keyLead id="3C2C95BBFF837716FF79F6A5FA0C0315" box="[151,1436,239,261]" pageId="19" pageNumber="54">6a. Lateral line complete.................................................................................. 7</keyLead>
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</paragraph>
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<paragraph id="8762368EFF837716FF79F747FA0C0332" blockId="19.[151,1436,239,291]" box="[151,1436,269,291]" pageId="19" pageNumber="54">
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<keyLead id="3C2C95BBFF837716FF79F747FA0C0332" box="[151,1436,269,291]" pageId="19" pageNumber="54">6b. Lateral line incomplete, ca. 8–12 pores only................................................................ 8</keyLead>
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</paragraph>
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</keyStep>
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<keyStep id="3C292E2BFF837716FF79F702FA0C036A" pageId="19" pageNumber="54">
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<paragraph id="8762368EFF837716FF79F702FA0C034C" blockId="19.[151,1436,327,379]" box="[151,1436,327,349]" pageId="19" pageNumber="54">
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<keyLead id="3C2C95BBFF837716FF79F702FA0C034C" box="[151,1436,327,349]" pageId="19" pageNumber="54">
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7a. Supraorbital pores 3; trunk about 2 times head length; peritoneum black.......................
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<taxonomicName id="40DD4D0DFF837716FB52F702FA0C034C" authorityName="Prokofiev" authorityYear="2019" box="[1212,1436,327,349]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="achiropteryx">Dysomma achiropteryx</taxonomicName>
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</keyLead>
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</paragraph>
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<paragraph id="8762368EFF837716FF79F72FFA0C036A" blockId="19.[151,1436,327,379]" box="[151,1436,357,379]" pageId="19" pageNumber="54">
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<keyLead id="3C2C95BBFF837716FF79F72FFA0C036A" box="[151,1436,357,379]" pageId="19" pageNumber="54">
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7b. Supraorbital pores 4; trunk about 3 times head length; peritoneum pale........................
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<taxonomicName id="40DD4D0DFF837716FB2FF72FFA0C036A" authorityName="Prokofiev" authorityYear="2019" box="[1217,1436,357,378]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="bussarawati">Dysomma bussarawati</taxonomicName>
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</keyLead>
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||
</paragraph>
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||
</keyStep>
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||
<keyStep id="3C292E2BFF837716FF79F7F7FA0D03FF" pageId="19" pageNumber="54">
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<paragraph id="8762368EFF837716FF79F7F7FA0C03C2" blockId="19.[151,1437,445,496]" box="[151,1436,445,467]" pageId="19" pageNumber="54">
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||
<keyLead id="3C2C95BBFF837716FF79F7F7FA0C03C2" box="[151,1436,445,467]" pageId="19" pageNumber="54">
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||
8a. Infraorbital pores 5; trunk about 2 times head length..........................................
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<taxonomicName id="40DD4D0DFF837716FB3FF7F7FA0C03C2" baseAuthorityName="Alcock" baseAuthorityYear="1891" box="[1233,1436,445,466]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="muciparus">Dysomma muciparus</taxonomicName>
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</keyLead>
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</paragraph>
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||
<paragraph id="8762368EFF837716FF79F790FA0D03FF" blockId="19.[151,1437,445,496]" box="[151,1437,474,496]" pageId="19" pageNumber="54">
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<keyLead id="3C2C95BBFF837716FF79F790FA0D03FF" box="[151,1437,474,496]" pageId="19" pageNumber="54">
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8b. Infraorbital pores 4; trunk about 3 times head length....................................
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<taxonomicName id="40DD4D0DFF837716FB76F791FA0D03FF" authorityName="Karrer" authorityYear="1983" box="[1176,1437,474,496]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="dolichosomatum">Dysomma dolichosomatum</taxonomicName>
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</keyLead>
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</paragraph>
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</keyStep>
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<keyStep id="3C292E2BFF837716FF79F45FFA0C0057" pageId="19" pageNumber="54">
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<paragraph id="8762368EFF837716FF79F45FFA0C003A" blockId="19.[151,1436,533,584]" box="[151,1436,533,555]" pageId="19" pageNumber="54">
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<keyLead id="3C2C95BBFF837716FF79F45FFA0C003A" box="[151,1436,533,555]" pageId="19" pageNumber="54">9a. Intermaxillary teeth absent............................................................................ 10</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F478FA0C0057" blockId="19.[151,1436,533,584]" box="[151,1436,562,584]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F478FA0C0057" box="[151,1436,562,584]" pageId="19" pageNumber="54">9b. Intermaxillary teeth present............................................................................ 18</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF837716FF79F427FA0C008F" pageId="19" pageNumber="54">
|
||
<paragraph id="8762368EFF837716FF79F427FA0D0092" blockId="19.[151,1437,621,672]" box="[151,1437,621,643]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F427FA0D0092" box="[151,1437,621,643]" pageId="19" pageNumber="54">
|
||
10a. Vomerine teeth consisting of 7‒8 long, needle-like compound teeth............................
|
||
<taxonomicName id="40DD4D0DFF837716FB54F427FA0D0092" authorityName="Smith" authorityYear="1989" box="[1210,1437,621,642]" family="Synaphobranchidae" genus="Linkenchelys" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="multipora">Linkenchelys multipora</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F4C0FA0C008F" blockId="19.[151,1437,621,672]" box="[151,1436,650,672]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F4C0FA0C008F" box="[151,1436,650,672]" pageId="19" pageNumber="54">10b. Vomerine teeth consisting of 3‒5 heavy, conical compound teeth.............................................. 11</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF837716FF79F48FFA0C00E7" pageId="19" pageNumber="54">
|
||
<paragraph id="8762368EFF837716FF79F48FFA0C00CA" blockId="19.[151,1436,709,760]" box="[151,1436,709,731]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F48FFA0C00CA" box="[151,1436,709,731]" pageId="19" pageNumber="54">11a. Head length greater than trunk......................................................................... 12</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F4A8FA0C00E7" blockId="19.[151,1436,709,760]" box="[151,1436,738,760]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F4A8FA0C00E7" box="[151,1436,738,760]" pageId="19" pageNumber="54">11b. Head length less than trunk............................................................................ 14</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF837716FF79F557FA0C015F" pageId="19" pageNumber="54">
|
||
<paragraph id="8762368EFF837716FF79F557FA0C0122" blockId="19.[151,1436,797,848]" box="[151,1436,797,819]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F557FA0C0122" box="[151,1436,797,819]" pageId="19" pageNumber="54">
|
||
12a. Total vertebrae 137‒141...............................................................
|
||
<taxonomicName id="40DD4D0DFF837716FB26F557FA0C0122" box="[1224,1436,797,818]" family="Synaphobranchidae" genus="Dysommina" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="orientalis">Dysommina orientalis</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F570FA0C015F" blockId="19.[151,1436,797,848]" box="[151,1436,826,848]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F570FA0C015F" box="[151,1436,826,848]" pageId="19" pageNumber="54">12b. Total vertebrae less than 135........................................................................... 13</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF837716FF79F53FFA0D01B8" pageId="19" pageNumber="54">
|
||
<paragraph id="8762368EFF837716FF79F53FFA0C019A" blockId="19.[151,1437,885,936]" box="[151,1436,885,907]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F53FFA0C019A" box="[151,1436,885,907]" pageId="19" pageNumber="54">
|
||
13a. Predorsal vertebrae 12‒13, preanal vertebrae 23‒25...........................................
|
||
<taxonomicName id="40DD4D0DFF837716FB04F53FFA0C019A" authorityName="Vo & Ho" authorityYear="2024" box="[1258,1436,885,906]" family="Synaphobranchidae" genus="Dysommina" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="brevis">Dysommina brevis</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F5D8FA0D01B8" blockId="19.[151,1437,885,936]" box="[151,1437,914,936]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F5D8FA0D01B8" box="[151,1437,914,936]" pageId="19" pageNumber="54">
|
||
13a. Predorsal vertebrae 14‒15, preanal vertebrae 28‒31...........................................
|
||
<taxonomicName id="40DD4D0DFF837716FB0FF5D9FA0D01B8" authorityName="Ginsburg" authorityYear="1951" box="[1249,1437,915,936]" family="Synaphobranchidae" genus="Dysommina" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="rugosa">Dysommina rugosa</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF837716FF79F587FA0C0610" pageId="19" pageNumber="54">
|
||
<paragraph id="8762368EFF837716FF79F587FA0C01F2" blockId="19.[151,1436,973,1024]" box="[151,1436,973,995]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F587FA0C01F2" box="[151,1436,973,995]" pageId="19" pageNumber="54">
|
||
14a. Lower jaw longer than upper, jaws not closing completely....................................
|
||
<taxonomicName id="40DD4D0DFF837716FB27F587FA0C01F2" authorityName="Chen & Weng" authorityYear="1967" box="[1225,1436,973,994]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="melanurum">Dysomma melanurum</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F5A0FA0C0610" blockId="19.[151,1436,973,1024]" box="[151,1436,1002,1024]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F5A0FA0C0610" box="[151,1436,1002,1024]" pageId="19" pageNumber="54">14b. Jaws equal or upper jaw longer; jaws close completely...................................................... 15</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF837716FF79F26FFA0C0683" pageId="19" pageNumber="54">
|
||
<paragraph id="8762368EFF837716FF79F26FFA0C0647" blockId="19.[151,1436,1061,1171]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F26FFA0C0647" pageId="19" pageNumber="54">
|
||
15a. Snout slender, elongate (ca. 26‒32% of HL), jaw length long (ca. 42‒52% HL); supraorbital pores 5, infraorbital pores 8, preoperculomandibular pores 9........................................................
|
||
<taxonomicName id="40DD4D0DFF837716FB54F209FA0C0647" authorityName="Chen & Mok" authorityYear="2001" box="[1210,1436,1090,1112]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="longirostrum">Dysomma longirostrum</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F215FA0C0683" blockId="19.[151,1436,1061,1171]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F215FA0C0683" pageId="19" pageNumber="54">15b. Snout and jaws not notably slender and elongate); supraorbital pores 3, infraorbital pores 4‒6, preoperculomandibular pores 6‒8............................................................................................... 16</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF837716FF79F2FDFA0C06FA" pageId="19" pageNumber="54">
|
||
<paragraph id="8762368EFF837716FF79F2FDFA0C06DC" blockId="19.[151,1436,1207,1259]" box="[151,1436,1207,1229]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F2FDFA0C06DC" box="[151,1436,1207,1229]" pageId="19" pageNumber="54">
|
||
16a. Dorsal-fin origin anterior to pectoral-fin base.................................................
|
||
<taxonomicName id="40DD4D0DFF837716FB04F2F2FA0C06DC" authorityName="Robins & Robins" authorityYear="1976" box="[1258,1436,1207,1229]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="goslinei">Dysomma goslinei</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F29FFA0C06FA" blockId="19.[151,1436,1207,1259]" box="[151,1436,1237,1259]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F29FFA0C06FA" box="[151,1436,1237,1259]" pageId="19" pageNumber="54">16b. Dorsal-fin origin above or posterior to pectoral-fin base..................................................... 17</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF837716FF79F35AFA0C0752" pageId="19" pageNumber="54">
|
||
<paragraph id="8762368EFF837716FF79F35AFA0C0734" blockId="19.[151,1436,1295,1347]" box="[151,1436,1295,1317]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F35AFA0C0734" box="[151,1436,1295,1317]" pageId="19" pageNumber="54">
|
||
17a. Lateral line complete; dorsal fin origin lightly behind pectoral-fin base.........................
|
||
<taxonomicName id="40DD4D0DFF837716FB2BF35AFA0C0734" authorityName="Prokofiev" authorityYear="2019" box="[1221,1436,1295,1317]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="phukutensis">Dysomma phukutensis</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F367FA0C0752" blockId="19.[151,1436,1295,1347]" box="[151,1436,1325,1347]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F367FA0C0752" box="[151,1436,1325,1347]" pageId="19" pageNumber="54">
|
||
17b. Lateral line incomplete, vertebrae 122‒124; dorsal fin origin above pectoral-fin base..............
|
||
<taxonomicName id="40DD4D0DFF837716FB29F367FA0C0752" authorityName="Ho & Tighe" authorityYear="2018" box="[1223,1436,1325,1346]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="robinsorum">Dysomma robinsorum</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF837716FF79F322FA0C078A" pageId="19" pageNumber="54">
|
||
<paragraph id="8762368EFF837716FF79F322FA0C076D" blockId="19.[151,1436,1383,1435]" box="[151,1436,1383,1405]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F322FA0C076D" box="[151,1436,1383,1405]" pageId="19" pageNumber="54">18a. Trunk long, about twice head length..................................................................... 19</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F3CFFA0C078A" blockId="19.[151,1436,1383,1435]" box="[151,1436,1413,1435]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F3CFFA0C078A" box="[151,1436,1413,1435]" pageId="19" pageNumber="54">18b. Trunk short, less than head length....................................................................... 21</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF837716FF79F38AFA0C07E2" pageId="19" pageNumber="54">
|
||
<paragraph id="8762368EFF837716FF79F38AFA0C07C4" blockId="19.[151,1436,1471,1523]" box="[151,1436,1471,1493]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F38AFA0C07C4" box="[151,1436,1471,1493]" pageId="19" pageNumber="54">
|
||
19a. Two intermaxillary teeth, arranged transversely.........................................
|
||
<taxonomicName id="40DD4D0DFF837716FB46F38AFA0C07C4" authorityName="Chen & Mok" authorityYear="1995" box="[1192,1436,1471,1493]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="opisthoproctus">Dysomma opisthoproctus</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F397FA0C07E2" blockId="19.[151,1436,1471,1523]" box="[151,1436,1501,1523]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F397FA0C07E2" box="[151,1436,1501,1523]" pageId="19" pageNumber="54">19b. Intermaxillary teeth in a rounded patch................................................................... 20</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF837716FF79F052FA0C0477" pageId="19" pageNumber="54">
|
||
<paragraph id="8762368EFF837716FF79F052FA0C043C" blockId="19.[151,1437,1559,1640]" box="[151,1436,1559,1581]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F052FA0C043C" box="[151,1436,1559,1581]" pageId="19" pageNumber="54">
|
||
20a. Total vertebrae 186–199.........................................................
|
||
<taxonomicName id="40DD4D0DFF837716FB6EF05DFA0C043C" authorityName="Karmovskaya" authorityYear="2003" box="[1152,1436,1559,1580]" family="Synaphobranchidae" genus="Atractodenchelys" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="robinsorum">Atractodenchelys robinsorum</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F07FFA0D045A" blockId="19.[151,1437,1559,1640]" box="[151,1437,1589,1611]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F07FFA0D045A" box="[151,1437,1589,1611]" pageId="19" pageNumber="54">
|
||
20b. Total vertebrae 168–173..............................................................
|
||
<taxonomicName id="40DD4D0DFF837716FB53F07FFA0D045A" authorityName="Robins & Robins" authorityYear="1970" box="[1213,1437,1589,1610]" family="Synaphobranchidae" genus="Atractodenchelys" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="phrix">Atractodenchelys phrix</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F018FA0C0477" blockId="19.[151,1437,1559,1640]" box="[151,1436,1618,1640]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F018FA0C0477" box="[151,1436,1618,1640]" pageId="19" pageNumber="54">
|
||
20c. Total vertebrae 155–158.........................................................
|
||
<taxonomicName id="40DD4D0DFF837716FB6FF018FA0C0477" authorityName="Vo & Ho" authorityYear="2020" box="[1153,1436,1618,1639]" family="Synaphobranchidae" genus="Atractodenchelys" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="brevitrunca">Atractodenchelys brevitrunca</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF837716FF79F0C7FA0C04AF" pageId="19" pageNumber="54">
|
||
<paragraph id="8762368EFF837716FF79F0C7FA0C04B2" blockId="19.[151,1436,1677,1728]" box="[151,1436,1677,1699]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F0C7FA0C04B2" box="[151,1436,1677,1699]" pageId="19" pageNumber="54">
|
||
21a. Dentary teeth numerous, 24–40; total vertebrae 107–109......................................
|
||
<taxonomicName id="40DD4D0DFF837716FB27F0C7FA0C04B2" authorityName="Alcock" authorityYear="1889" box="[1225,1436,1677,1698]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="bucephalus">Dysomma bucephalus</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F0E0FA0C04AF" blockId="19.[151,1436,1677,1728]" box="[151,1436,1706,1728]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F0E0FA0C04AF" box="[151,1436,1706,1728]" pageId="19" pageNumber="54">21b. Dentary teeth fewer than 25; total vertebrae 119 or more..................................................... 22</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF837716FF79F0AFFA0C05BA" pageId="19" pageNumber="54">
|
||
<paragraph id="8762368EFF837716FF79F0AFFA0C04EA" blockId="19.[151,1437,1765,1963]" box="[151,1436,1765,1787]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F0AFFA0C04EA" box="[151,1436,1765,1787]" pageId="19" pageNumber="54">
|
||
22a. Lateral line pores 57–75; dentary teeth 6–11; total vertebrae 119–128...........................
|
||
<taxonomicName id="40DD4D0DFF837716FB3DF0AFFA0C04EA" authorityName="Barnard" authorityYear="1923" box="[1235,1436,1765,1786]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="anguillare">Dysomma anguillare</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F148FA0D0507" blockId="19.[151,1437,1765,1963]" box="[151,1437,1794,1816]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F148FA0D0507" box="[151,1437,1794,1816]" pageId="19" pageNumber="54">
|
||
22b. Lateral line pores 17–33; dentary teeth 14–22; total vertebrae 128–133............................
|
||
<taxonomicName id="40DD4D0DFF837716FB06F149FA0D0507" authorityName="Ho & Tighe" authorityYear="2018" box="[1256,1437,1794,1816]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="formosa">Dysomma formosa</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F16AFA0C0525" blockId="19.[151,1437,1765,1963]" box="[151,1436,1823,1845]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F16AFA0C0525" box="[151,1436,1823,1845]" pageId="19" pageNumber="54">
|
||
22c. Lateral line pores 20–49; dentary teeth 6–15; total vertebrae 134–140..........................
|
||
<taxonomicName id="40DD4D0DFF837716FB24F16AFA0C0525" authorityName="Ho, Smith & Tighe" authorityYear="2015" box="[1226,1436,1824,1845]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="taiwanense">Dysomma taiwanense</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F177FA0C0542" blockId="19.[151,1437,1765,1963]" box="[151,1436,1853,1875]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F177FA0C0542" box="[151,1436,1853,1875]" pageId="19" pageNumber="54">
|
||
22d. Lateral line pores 57–58; dentary teeth 8; total vertebrae 115..................................
|
||
<taxonomicName id="40DD4D0DFF837716FB3BF177FA0C0542" box="[1237,1436,1853,1874]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="alticorpus">Dysomma alticorpus</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F110FA0D057F" blockId="19.[151,1437,1765,1963]" box="[151,1437,1882,1904]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F110FA0D057F" box="[151,1437,1882,1904]" pageId="19" pageNumber="54">
|
||
22e. Lateral line pores 57–63, dentary teeth 16–21; total vertebrae 119–124.......................
|
||
<taxonomicName id="40DD4D0DFF837716FB5EF111FA0D057F" authorityName="Karrer & Klausewitz" authorityYear="1982" box="[1200,1437,1882,1904]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="fuscoventralis">Dysomma fuscoventralis</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F13DFA0D059C" blockId="19.[151,1437,1765,1963]" box="[151,1437,1911,1933]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F13DFA0D059C" box="[151,1437,1911,1933]" pageId="19" pageNumber="54">
|
||
<specimenCount id="91DBFD07FF837716FF79F13DFF2E059D" box="[151,190,1911,1933]" count="22" pageId="19" pageNumber="54" type="generic">22f.</specimenCount>
|
||
Lateral line pores 65–84; dentary teeth 23–25; total vertebrae 128–140.........................
|
||
<taxonomicName id="40DD4D0DFF837716FB2EF132FA0D059C" authorityName="Karrer" authorityYear="1983" box="[1216,1437,1911,1933]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="polycatodon">Dysomma polycatodon</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF837716FF79F1DFFA0C05BA" blockId="19.[151,1437,1765,1963]" box="[151,1436,1941,1963]" pageId="19" pageNumber="54">
|
||
<keyLead id="3C2C95BBFF837716FF79F1DFFA0C05BA" box="[151,1436,1941,1963]" pageId="19" pageNumber="54">
|
||
22g. Lateral line pores 70–79, dentary teeth 8–9; total vertebrae 118–124..........................
|
||
<taxonomicName id="40DD4D0DFF837716FB53F1DFFA0C05BA" authorityName="Vo & Ho" authorityYear="2024" box="[1213,1436,1941,1962]" family="Synaphobranchidae" genus="Dysomma" kingdom="Animalia" order="Anguilliformes" pageId="19" pageNumber="54" phylum="Chordata" rank="species" species="intermedium">Dysomma intermedium</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF847711FF79F6D2FA0C02DB" pageId="20" pageNumber="55">
|
||
<paragraph id="8762368EFF847711FF79F6D2FA0C02BD" blockId="20.[151,1436,151,203]" box="[151,1436,151,173]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F6D2FA0C02BD" box="[151,1436,151,173]" pageId="20" pageNumber="55">23a. Head length greater than trunk......................................................................... 24</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF847711FF79F6FFFA0C02DB" blockId="20.[151,1436,151,203]" box="[151,1436,181,203]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F6FFFA0C02DB" box="[151,1436,181,203]" pageId="20" pageNumber="55">23b. Head length less than trunk............................................................................ 25</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF847711FF79F6BAFA0C0332" pageId="20" pageNumber="55">
|
||
<paragraph id="8762368EFF847711FF79F6BAFA0C0314" blockId="20.[151,1436,239,291]" box="[151,1436,239,261]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F6BAFA0C0314" box="[151,1436,239,261]" pageId="20" pageNumber="55">
|
||
24a. Vomerine teeth biserial; vertebrae 173–178...................................................
|
||
<taxonomicName id="40DD4D0DFF847711FB1BF6A5FA0C0314" baseAuthorityName="Kamohara" baseAuthorityYear="1938" box="[1269,1436,239,260]" family="Synaphobranchidae" genus="Meadia" kingdom="Animalia" order="Anguilliformes" pageId="20" pageNumber="55" phylum="Chordata" rank="species" species="abyssalis">Meadia abyssalis</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF847711FF79F747FA0C0332" blockId="20.[151,1436,239,291]" box="[151,1436,269,291]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F747FA0C0332" box="[151,1436,269,291]" pageId="20" pageNumber="55">
|
||
24b. Vomerine teeth triserial; vertebrae 198–206......................................................
|
||
<taxonomicName id="40DD4D0DFF847711FAFCF747FA0C0332" box="[1298,1436,269,290]" family="Synaphobranchidae" genus="Meadia" kingdom="Animalia" order="Anguilliformes" pageId="20" pageNumber="55" phylum="Chordata" rank="species" species="roseni">Meadia roseni</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF847711FF79F70DFA0C0387" pageId="20" pageNumber="55">
|
||
<paragraph id="8762368EFF847711FF79F70DFA0C036B" blockId="20.[151,1436,327,408]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F70DFA0C036B" pageId="20" pageNumber="55">25a. Full complement of head pores: supraorbital 5, infraorbital 7–8, preoperculomandibular 10–11, 1–2 frontal, 2–3 supratemporal...................................................................................... 26</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF847711FF79F7C8FA0C0387" blockId="20.[151,1436,327,408]" box="[151,1436,386,408]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F7C8FA0C0387" box="[151,1436,386,408]" pageId="20" pageNumber="55">25b. Head pores reduced:: supraorbital 3, infraorbital 4–7, preoperculomandibular 6–10, no frontal or supratemporal........ 27</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF847711FF79F790FA0D0057" pageId="20" pageNumber="55">
|
||
<paragraph id="8762368EFF847711FF79F790FA0D001C" blockId="20.[151,1437,474,584]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F790FA0D001C" pageId="20" pageNumber="55">
|
||
26a. Body partially scaled or naked; gill slit noticeably oblique; preanal Lateral line pores 37–44; total vertebrae 177–188..............................................................................................
|
||
<taxonomicName id="40DD4D0DFF847711FAECF7BDFA0D001C" authorityName="Saldanha & Merrett" authorityYear="1982" box="[1282,1437,503,524]" family="Synaphobranchidae" genus="Ilyophis" kingdom="Animalia" order="Anguilliformes" pageId="20" pageNumber="55" phylum="Chordata" rank="species" species="blachei">Ilyophis blachei</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF847711FF79F45FFA0D0057" blockId="20.[151,1437,474,584]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F45FFA0D0057" pageId="20" pageNumber="55">
|
||
26b. Body completely scaled; gill slit nearly horizontal; preanal Lateral line pores 32–37; total vertebrae 141–147.....................................................................................................
|
||
<taxonomicName id="40DD4D0DFF847711FAFCF478FA0D0057" authorityName="Shcherbachev & Sulak" authorityYear="1997" box="[1298,1437,562,583]" family="Synaphobranchidae" genus="Ilyophis" kingdom="Animalia" order="Anguilliformes" pageId="20" pageNumber="55" phylum="Chordata" rank="species" species="nigeli">Ilyophis nigeli</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF847711FF79F427FA0C008F" pageId="20" pageNumber="55">
|
||
<paragraph id="8762368EFF847711FF79F427FA0C0092" blockId="20.[151,1436,621,672]" box="[151,1436,621,643]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F427FA0C0092" box="[151,1436,621,643]" pageId="20" pageNumber="55">27a. Scales present...................................................................................... 28</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF847711FF79F4C0FA0C008F" blockId="20.[151,1436,621,672]" box="[151,1436,650,672]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F4C0FA0C008F" box="[151,1436,650,672]" pageId="20" pageNumber="55">27b. Scales absent....................................................................................... 29</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF847711FF79F48FFA0D00E7" pageId="20" pageNumber="55">
|
||
<paragraph id="8762368EFF847711FF79F48FFA0C00CA" blockId="20.[151,1437,709,760]" box="[151,1436,709,731]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F48FFA0C00CA" box="[151,1436,709,731]" pageId="20" pageNumber="55">
|
||
28a. Preanal lateral line pores 33–38; total vertebrae 145–151........................................
|
||
<taxonomicName id="40DD4D0DFF847711FB1EF48FFA0C00CA" authorityName="Gilbert" authorityYear="1891" box="[1264,1436,709,730]" family="Synaphobranchidae" genus="Ilyophis" kingdom="Animalia" order="Anguilliformes" pageId="20" pageNumber="55" phylum="Chordata" rank="species" species="brunneus">Ilyophis brunneus</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF847711FF79F4A8FA0D00E7" blockId="20.[151,1437,709,760]" box="[151,1437,738,760]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F4A8FA0D00E7" box="[151,1437,738,760]" pageId="20" pageNumber="55">
|
||
28b. Preanal lateral line pores 26–30; total vertebrae 131–134.......................................
|
||
<taxonomicName id="40DD4D0DFF847711FB04F4A8FA0D00E7" authorityName="Tighe, Smith & Merrett" authorityYear="2024" box="[1258,1437,738,759]" family="Synaphobranchidae" genus="Ilyophis" kingdom="Animalia" order="Anguilliformes" pageId="20" pageNumber="55" phylum="Chordata" rank="species" species="maclainei">Ilyophis maclainei</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF847711FF79F557FA0C015F" pageId="20" pageNumber="55">
|
||
<paragraph id="8762368EFF847711FF79F557FA0C0122" blockId="20.[151,1436,797,848]" box="[151,1436,797,819]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F557FA0C0122" box="[151,1436,797,819]" pageId="20" pageNumber="55">
|
||
29a. Head slender and conical, snout pointed; total vertebrae 141......................................
|
||
<taxonomicName id="40DD4D0DFF847711FB18F557FA0C0122" authorityName="Sulak & Shcherbachev, 1997:" authorityYear="1171" box="[1270,1436,797,818]" family="Synaphobranchidae" genus="Ilyophis" kingdom="Animalia" order="Anguilliformes" pageId="20" pageNumber="55" phylum="Chordata" rank="species" species="robinsae">Ilyophis robinsae</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF847711FF79F570FA0C015F" blockId="20.[151,1436,797,848]" box="[151,1436,826,848]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F570FA0C015F" box="[151,1436,826,848]" pageId="20" pageNumber="55">29b. Head shorter, snout blunt; total vertebrae 116–135.......................................................... 30</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF847711FF79F53FFA0C01B7" pageId="20" pageNumber="55">
|
||
<paragraph id="8762368EFF847711FF79F53FFA0C019A" blockId="20.[151,1436,885,936]" box="[151,1436,885,907]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F53FFA0C019A" box="[151,1436,885,907]" pageId="20" pageNumber="55">30a. Total vertebrae less than 125........................................................................... 31</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF847711FF79F5D8FA0C01B7" blockId="20.[151,1436,885,936]" box="[151,1436,914,936]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F5D8FA0C01B7" box="[151,1436,914,936]" pageId="20" pageNumber="55">30b. Total vertebrae greater than 125........................................................................ 32</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF847711FF79F587FA0C062A" pageId="20" pageNumber="55">
|
||
<paragraph id="8762368EFF847711FF79F587FA0C0610" blockId="20.[151,1437,973,1083]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F587FA0C0610" pageId="20" pageNumber="55">
|
||
31a. Lateral line almost complete, extending nearly to caudal fin base; cephalic lateralis pores reduced: SOC 3, IO 4, POM 7; total vertebrae 118–122..........................................................................
|
||
<taxonomicName id="40DD4D0DFF847711FAFAF5A0FA0C0610" authorityName="Vo & Ho" authorityYear="2021" box="[1300,1436,1002,1024]" family="Synaphobranchidae" genus="Meadia" kingdom="Animalia" order="Anguilliformes" pageId="20" pageNumber="55" phylum="Chordata" rank="species" species="minor">Meadia minor</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF847711FF79F24DFA0C062A" blockId="20.[151,1437,973,1083]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F24DFA0C062A" pageId="20" pageNumber="55">
|
||
31b. Lateral line incomplete (66–80% TL); cephalic lateralis pores: SOC 3, IO 7–8 (extending behind eye), POM 8–10; total vertebrae 116–118......................................................................
|
||
<taxonomicName id="40DD4D0DFF847711FB07F26FFA0C062A" authorityName="Tashiro & Chen" authorityYear="2022" box="[1257,1436,1061,1082]" family="Synaphobranchidae" genus="Ilyophis" kingdom="Animalia" order="Anguilliformes" pageId="20" pageNumber="55" phylum="Chordata" rank="species" species="singularis">Ilyophis singularis</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="3C292E2BFF847711FF79F22AFA0D06DC" pageId="20" pageNumber="55">
|
||
<paragraph id="8762368EFF847711FF79F22AFA0C0682" blockId="20.[151,1437,1119,1229]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F22AFA0C0682" pageId="20" pageNumber="55">
|
||
32a. Lateral line incomplete; pored lateral line, limited to anterior third of body (ca. 35–45% TL); total lateral line pores 31–47............................................................................................
|
||
<taxonomicName id="40DD4D0DFF847711FAC7F237FA0C0682" authorityName="C. H. Robins" authorityYear="1976" box="[1321,1436,1149,1170]" family="Synaphobranchidae" genus="Ilyophis" kingdom="Animalia" order="Anguilliformes" pageId="20" pageNumber="55" phylum="Chordata" rank="species" species="arx">Ilyophis arx</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8762368EFF847711FF79F2D0FA0D06DC" blockId="20.[151,1437,1119,1229]" pageId="20" pageNumber="55">
|
||
<keyLead id="3C2C95BBFF847711FF79F2D0FA0D06DC" pageId="20" pageNumber="55">
|
||
32b. Lateral line incomplete; pored lateral line longer, extending further along total length of body (ca. 55–62 % TL); total lateral line pores 66–75.......................................................................
|
||
<taxonomicName id="40DD4D0DFF847711FB04F2FDFA0D06DC" authorityName="Karmovskaya & Parin" authorityYear="1999" box="[1258,1437,1207,1228]" family="Synaphobranchidae" genus="Ilyophis" kingdom="Animalia" order="Anguilliformes" pageId="20" pageNumber="55" phylum="Chordata" rank="species" species="saldanhai">Ilyophis saldanhai</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
</key>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |