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<document id="48B1D6BCCFE9DFEB7A6EE60F3B157DFB" ID="10.11646/zootaxa.4263.1.4SLASH10980" ID-CLB-Dataset="33098" ID-DOI="10.11646/zootaxa.4263.1.4" ID-GBIF-Dataset="201233cc-119c-498f-8227-8bb8111bb352" ID-ISSN="1175-5326" ID-Zenodo-Dep="572556" ID-ZooBank="68B3A67E-5DB1-4552-9465-108895ECBBC1" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1494230697588" checkinUser="plazi" docAuthor="Weigmann, Simon &amp; Kaschner, Carina Julia" docDate="2017" docId="3B508794FFD7FFB822A76D1311CD0E58" docLanguage="en" docName="zootaxa.4263.1.4SLASH10980.pdf" docOrigin="Zootaxa 4263 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Bythaelurus" docType="key" docVersion="8" lastPageNumber="114" masterDocId="C769FFECFFC6FFA922306C6314510913" masterDocTitle="Bythaelurus vivaldii, a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the northwestern Indian Ocean off Somalia" masterLastPageNumber="119" masterPageNumber="97" pageNumber="114" updateTime="1698439329196" updateUser="ExternalLinkService">
<mods:mods id="4731890B43D697ED36AA3D8E72160F2F" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:title id="6E0CA36834E6DCDEE7E935487A935A18">Bythaelurus vivaldii, a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the northwestern Indian Ocean off Somalia</mods:title>
</mods:titleInfo>
<mods:name id="1AFBDA6DC305863D2823417052E50C80" type="personal">
<mods:role id="539BCA34CBD5FD6AD4D119EA4EB0D01F">
<mods:roleTerm id="F77395CACC868D59F2A6679BAD2E0B2A">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="4966B4FBA675226293320D6EEAD797FA">Weigmann, Simon</mods:namePart>
</mods:name>
<mods:name id="8EE03B768C43098A72762D2E98D72513" type="personal">
<mods:role id="EB4F742448D1B526BD024AC8CC3159CB">
<mods:roleTerm id="7834ECA97B6B110FD0C21117C441A75C">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="1749E09E8D05FAAD361D2D3E0F375290">Kaschner, Carina Julia</mods:namePart>
</mods:name>
<mods:typeOfResource id="FFC749D0AFC6AC2790D614E78CBCE7AE">text</mods:typeOfResource>
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<mods:title id="0BC4F8EF79899B07E3A7F566FB04E9DE">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="D8988B12065BA096EF57B3B63ACB3B75">
<mods:date id="0F41ECE5D2A36BE97273BED192AE3344">2017</mods:date>
<mods:detail id="21A98C6D9D30152FF1BC1FEA13050E93" type="volume">
<mods:number id="9794F4A017D4765F9C38FE60B15963AD">4263</mods:number>
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<mods:detail id="D58DC06BF905CFC92784264424036C8C" type="issue">
<mods:number id="70A865A9B69D295BE4D61612A6BF103F">1</mods:number>
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<mods:start id="687C5A0AE756E253D1F73880C35DA732">97</mods:start>
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<mods:classification id="259CBBA765D235326645BCBF0F025672">journal article</mods:classification>
<mods:identifier id="93BC65F0E2D6460B10FC7AE94B02D998" type="CLB-Dataset">33098</mods:identifier>
<mods:identifier id="A317C5C2DB13CD93E79B7940AC00E349" type="DOI">10.11646/zootaxa.4263.1.4</mods:identifier>
<mods:identifier id="183D81F8226A22D2FD9C0D05912AFF34" type="GBIF-Dataset">201233cc-119c-498f-8227-8bb8111bb352</mods:identifier>
<mods:identifier id="9DAE542567B7632E298F47CFC199480B" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="3889DA54AB39C50A8A40410E64E3EFAE" type="Zenodo-Dep">572556</mods:identifier>
<mods:identifier id="F9396E4A6FB8024A8BF161E68F5D1797" type="ZooBank">68B3A67E-5DB1-4552-9465-108895ECBBC1</mods:identifier>
</mods:mods>
<treatment id="3B508794FFD7FFB822A76D1311CD0E58" ID-DOI="http://doi.org/10.5281/zenodo.6033254" ID-GBIF-Taxon="130497505" ID-Zenodo-Dep="6033254" LSID="urn:lsid:plazi:treatment:3B508794FFD7FFB822A76D1311CD0E58" httpUri="http://treatment.plazi.org/id/3B508794FFD7FFB822A76D1311CD0E58" lastPageNumber="114" pageId="17" pageNumber="114">
<subSubSection id="FBE36509FFD7FFB822A76D1310360899" box="[151,1127,367,394]" pageId="17" pageNumber="114" type="nomenclature">
<paragraph id="B3463682FFD7FFB822A76D1310360899" blockId="17.[151,1127,367,394]" box="[151,1127,367,394]" pageId="17" pageNumber="114">
<heading id="E80E81EEFFD7FFB822A76D1310360899" bold="true" box="[151,1127,367,394]" fontSize="11" level="1" pageId="17" pageNumber="114" reason="1">
<emphasis id="818DEA90FFD7FFB822A76D1310360899" bold="true" box="[151,1127,367,394]" pageId="17" pageNumber="114">
Key to the valid species of
<taxonomicName id="74F94D01FFD7FFB823D16D0C1624089A" ID-CoL="62JNJ" ID-ENA="876122" box="[481,629,367,393]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="genus">
<emphasis id="818DEA90FFD7FFB823D16D0C1624089A" bold="true" box="[481,629,367,393]" italics="true" pageId="17" pageNumber="114">Bythaelurus</emphasis>
</taxonomicName>
, modified from Weigmann
<emphasis id="818DEA90FFD7FFB821FD6D0C1059089A" bold="true" box="[973,1032,367,393]" italics="true" pageId="17" pageNumber="114">et al.</emphasis>
(2016):
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="FBE36509FFD7FFB822A76DD511CD0E58" pageId="17" pageNumber="114" type="key">
<keyStep id="080D2E27FFD7FFB822A76DD511CD08FB" pageId="17" pageNumber="114">
<paragraph id="B3463682FFD7FFB822A76DD511CD08D8" blockId="17.[151,1436,438,1867]" box="[151,1436,438,459]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A76DD511CD08D8" box="[151,1436,438,459]" pageId="17" pageNumber="114">1a. Coloration variegated, with irregularly distributed spots and blotches; markings not symmetrical..................... 2.</keyLead>
</paragraph>
<paragraph id="B3463682FFD7FFB822A76DB011CD08FB" blockId="17.[151,1436,438,1867]" box="[151,1436,467,488]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A76DB011CD08FB" box="[151,1436,467,488]" pageId="17" pageNumber="114">1b. Coloration pale, dusky, or with line of pale spots; usually without conspicuous blotches............................ 3.</keyLead>
</paragraph>
</keyStep>
<keyStep id="080D2E27FFD7FFB822A76D9211CD0B8A" pageId="17" pageNumber="114">
<paragraph id="B3463682FFD7FFB822A76D9211CA0B53" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A76D9211CA0B53" pageId="17" pageNumber="114">
2a. Grayish with a pattern of dark brown saddle-like markings on back and tail, and with variegated dark brown blotches on flanks; inside of mouth grayish with brown speckles; ventral surface whitish...................................................................................................
<taxonomicName id="74F94D01FFD7FFB8219C6E4F10510B52" ID-CoL="P2LL" box="[940,1024,555,577]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="clevai">
<emphasis id="818DEA90FFD7FFB8219C6E4F10510B52" box="[940,1024,555,577]" italics="true" pageId="17" pageNumber="114">B. clevai</emphasis>
</taxonomicName>
[southwestern Indian Ocean: Madagascar]
</keyLead>
</paragraph>
<paragraph id="B3463682FFD7FFB822A76E2A11CD0B8A" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A76E2A11CD0B8A" pageId="17" pageNumber="114">
2b. Chocolate brown dorsally with pale spots, the largest being about equal in size to eye diameter above midline, smaller below; posterior margin of dorsal, pectoral, and pelvic fins pale; ventral surface pale...........................................................................................
<taxonomicName id="74F94D01FFD7FFB821626EE717940B8A" ID-CoL="P2LN" box="[850,965,643,665]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="giddingsi">
<emphasis id="818DEA90FFD7FFB821626EE717940B8A" box="[850,965,643,665]" italics="true" pageId="17" pageNumber="114">B. giddingsi</emphasis>
</taxonomicName>
[southeastern Pacific Ocean: Galapagos Islands]
</keyLead>
</paragraph>
</keyStep>
<keyStep id="080D2E27FFD7FFB822A76EC211CD0BE2" pageId="17" pageNumber="114">
<paragraph id="B3463682FFD7FFB822A76EC211CD0BC0" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A76EC211CD0BC0" pageId="17" pageNumber="114">
3a. Coloration blackish with hoary gray surface and some fins white-tipped posteriorly; teeth with cusps and lateral cusps of subequal length; validity and generic assignment uncertain.............
<taxonomicName id="74F94D01FFD7FFB821A96EDD10510BC0" ID-CoL="6L9MZ" box="[921,1024,701,723]" class="Elasmobranchii" family="Scyliorhinidae" genus="Halaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="alcockii">
<emphasis id="818DEA90FFD7FFB821A96EDD10510BC0" box="[921,1024,701,723]" italics="true" pageId="17" pageNumber="114">B. alcockii</emphasis>
</taxonomicName>
[northwestern Indian Ocean: Arabian Sea]
</keyLead>
</paragraph>
<paragraph id="B3463682FFD7FFB822A76EBF11CD0BE2" blockId="17.[151,1436,438,1867]" box="[151,1436,732,753]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A76EBF11CD0BE2" box="[151,1436,732,753]" pageId="17" pageNumber="114">3b. Coloration lighter; at least anterolateral teeth in upper jaw with median cusp much longer than lateral cusps............ 4.</keyLead>
</paragraph>
</keyStep>
<keyStep id="080D2E27FFD7FFB822A76E9A11CA0A90" pageId="17" pageNumber="114">
<paragraph id="B3463682FFD7FFB822A76E9A11CA0A5A" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A76E9A11CA0A5A" pageId="17" pageNumber="114">
4a. Anal-fin base more than 1.5 times second dorsal-fin base length; color light to medium brown above with dusky areas near the fins or indistinct dark blotches, whitish to light brown below (except for
<taxonomicName id="74F94D01FFD7FFB821AD6F7510510A38" ID-CoL="P2LV" box="[925,1024,789,811]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="vivaldii" status="sp. nov.">
<emphasis id="818DEA90FFD7FFB821AD6F7510510A38" box="[925,1024,789,811]" italics="true" pageId="17" pageNumber="114">B. vivaldii</emphasis>
</taxonomicName>
<emphasis id="818DEA90FFD7FFB826366F75106D0A3F" bold="true" box="[1030,1084,790,812]" pageId="17" pageNumber="114">
<taxonomicNameLabel id="9ABE57EBFFD7FFB826366F75106D0A3F" box="[1030,1084,790,812]" pageId="17" pageNumber="114" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
); maturity size
<quantity id="74019B67FFD7FFB826E46F7511620A38" box="[1236,1331,790,811]" metricMagnitude="-1" metricUnit="m" metricValue="2.65" metricValueMax="3.1" metricValueMin="2.2" pageId="17" pageNumber="114" unit="cm" value="26.5" valueMax="31.0" valueMin="22.0">22–31 cm</quantity>
TL; maximum size
<quantity id="74019B67FFD7FFB823736F5715F30A5A" box="[323,418,820,841]" metricMagnitude="-1" metricUnit="m" metricValue="3.45" metricValueMax="3.9" metricValueMin="3.0" pageId="17" pageNumber="114" unit="cm" value="34.5" valueMax="39.0" valueMin="30.0">30–39 cm</quantity>
TL................................................................................ 5.
</keyLead>
</paragraph>
<paragraph id="B3463682FFD7FFB822A76F3211CA0A90" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A76F3211CA0A90" pageId="17" pageNumber="114">
4b. Anal-fin base equal to or less than 1.5 times second dorsal-fin base length; coloration variable but without dusky areas near fins or indistinct dark blotches; maturity size
<quantity id="74019B67FFD7FFB820A36F0D16A30A90" box="[659,754,878,899]" metricMagnitude="-1" metricUnit="m" metricValue="4.55" metricValueMax="5.9" metricValueMin="3.2" pageId="17" pageNumber="114" unit="cm" value="45.5" valueMax="59.0" valueMin="32.0">32–59 cm</quantity>
TL; maximum size
<quantity id="74019B67FFD7FFB821856F0D10450A90" box="[949,1044,878,899]" metricMagnitude="-1" metricUnit="m" metricValue="5.9" metricValueMax="7.6" metricValueMin="4.2" pageId="17" pageNumber="114" unit="cm" value="59.0" valueMax="76.0" valueMin="42.0">42–76 cm</quantity>
TL........................... 8.
</keyLead>
</paragraph>
</keyStep>
<keyStep id="080D2E27FFD7FFB822A76FEF11CA0AEA" pageId="17" pageNumber="114">
<paragraph id="B3463682FFD7FFB822A76FEF11CD0AAD" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<materialsCitation id="03913CDFFFD7FFB822A76FEF11CD0AAD" ID-GBIF-Occurrence="1500371054" country="Mozambique" location="western Indian Ocean" pageId="17" pageNumber="114" specimenCount="1">
<keyLead id="080895B7FFD7FFB822A76FEF11CD0AAD" pageId="17" pageNumber="114">
5a. Tongue and roof of mouth without (or with rudimentary) papillae; coloration largely plain with dusky areas near fins.....................................................................
<taxonomicName id="74F94D01FFD7FFB821F16FCA10780AAD" ID-CoL="6KXMS" box="[961,1065,936,958]" class="Elasmobranchii" family="Scyliorhinidae" genus="Halaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="lutarius">
<emphasis id="818DEA90FFD7FFB821F16FCA10780AAD" box="[961,1065,936,958]" italics="true" pageId="17" pageNumber="114">B. lutarius</emphasis>
</taxonomicName>
[
<location id="B6266059FFD7FFB826056FCA115D0AAD" LSID="urn:lsid:plazi:treatment:3B508794FFD7FFB822A76D1311CD0E58:B6266059FFD7FFB826056FCA115D0AAD" box="[1077,1292,937,958]" country="Mozambique" name="western Indian Ocean" pageId="17" pageNumber="114">western Indian Ocean</location>
:
<collectingCountry id="CBEE7612FFD7FFB827256FCA11C60AAD" box="[1301,1431,937,958]" name="Mozambique" pageId="17" pageNumber="114">Mozambique</collectingCountry>
]
</keyLead>
</materialsCitation>
</paragraph>
<paragraph id="B3463682FFD7FFB822A76FA511CA0AEA" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A76FA511CA0AEA" pageId="17" pageNumber="114">
5b. Tongue and roof of mouth with numerous papillae; trunk and tail with 5–6 indistinct, dark blotches (except for
<taxonomicName id="74F94D01FFD7FFB8272E6FA511D30AC8" ID-CoL="P2LV" box="[1310,1410,965,987]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="vivaldii" status="sp. nov.">
<emphasis id="818DEA90FFD7FFB8272E6FA511D30AC8" box="[1310,1410,965,987]" italics="true" pageId="17" pageNumber="114">B. vivaldii</emphasis>
</taxonomicName>
<emphasis id="818DEA90FFD7FFB827B96FA514AF0AEA" bold="true" pageId="17" pageNumber="114">
<taxonomicNameLabel id="9ABE57EBFFD7FFB827B96FA514AF0AEA" pageId="17" pageNumber="114" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
)................................................................................................ 6.
</keyLead>
</paragraph>
</keyStep>
<keyStep id="080D2E27FFD7FFB822A7686211CA0D7D" pageId="17" pageNumber="114">
<paragraph id="B3463682FFD7FFB822A7686211CD0D20" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<materialsCitation id="03913CDFFFD7FFB822A7686211CD0D20" ID-GBIF-Occurrence="1500371059" country="Tanzania" location="western Indian Ocean" pageId="17" pageNumber="114" specimenCount="1">
<keyLead id="080895B7FFD7FFB822A7686211CD0D20" pageId="17" pageNumber="114">
6a. Head narrow and without distinct lateral indention anterior to outer nostrils; adult claspers broad (base width ~2% TL) and without knob-like apex..........................
<taxonomicName id="74F94D01FFD7FFB82135687D17F40D20" ID-CoL="695GF" box="[773,933,1053,1075]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="tenuicephalus">
<emphasis id="818DEA90FFD7FFB82135687D17F40D20" box="[773,933,1053,1075]" italics="true" pageId="17" pageNumber="114">B. tenuicephalus</emphasis>
</taxonomicName>
[
<location id="B6266059FFD7FFB82180687D10D90D20" LSID="urn:lsid:plazi:treatment:3B508794FFD7FFB822A76D1311CD0E58:B6266059FFD7FFB82180687D10D90D20" box="[944,1160,1054,1075]" country="Tanzania" name="western Indian Ocean" pageId="17" pageNumber="114">western Indian Ocean</location>
:
<collectingCountry id="CBEE7612FFD7FFB826A0687D10B70D20" box="[1168,1254,1054,1075]" name="Tanzania" pageId="17" pageNumber="114">Tanzania</collectingCountry>
and
<collectingCountry id="CBEE7612FFD7FFB82725687D11C60D20" box="[1301,1431,1054,1075]" name="Mozambique" pageId="17" pageNumber="114">Mozambique</collectingCountry>
]
</keyLead>
</materialsCitation>
</paragraph>
<paragraph id="B3463682FFD7FFB822A7685F11CA0D7D" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A7685F11CA0D7D" pageId="17" pageNumber="114">6a. Head with distinct lateral indention anterior to outer nostrils; adult claspers (if known) slender (base width ~1.5% TL) and with knob-like apex....................................................................................... 7.</keyLead>
</paragraph>
</keyStep>
<keyStep id="080D2E27FFD7FFB822A7681511CD0C12" pageId="17" pageNumber="114">
<paragraph id="B3463682FFD7FFB822A7681511CD0DD5" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<materialsCitation id="03913CDFFFD7FFB822A7681511CD0DD5" ID-GBIF-Occurrence="1500371056" country="Kenya" location="eastern Indian Ocean" municipality="southern India" pageId="17" pageNumber="114" specimenCount="1">
<keyLead id="080895B7FFD7FFB822A7681511CD0DD5" pageId="17" pageNumber="114">
7a. Caudal fin long, length ~30% TL; mouth rather narrow, width ~7.5% TL; body slender in all maturity stages; low diplospondylous precaudal (~37) and total (~122) vertebral counts...............................................................................
<taxonomicName id="74F94D01FFD7FFB823D368D216020DD5" box="[483,595,1200,1222]" class="Elasmobranchii" family="Scyliorhinidae" genus="Scylliorhinus" higherTaxonomySource="CoL" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="hispidus">
<emphasis id="818DEA90FFD7FFB823D368D216020DD5" box="[483,595,1200,1222]" italics="true" pageId="17" pageNumber="114">B. hispidus</emphasis>
</taxonomicName>
[western and
<location id="B6266059FFD7FFB820EB68D217F80DD5" LSID="urn:lsid:plazi:treatment:3B508794FFD7FFB822A76D1311CD0E58:B6266059FFD7FFB820EB68D217F80DD5" box="[731,937,1201,1222]" country="Kenya" municipality="southern India" name="eastern Indian Ocean" pageId="17" pageNumber="114">eastern Indian Ocean</location>
:
<collectingCountry id="CBEE7612FFD7FFB8218168D217BE0DD5" box="[945,1007,1201,1222]" name="Kenya" pageId="17" pageNumber="114">Kenya</collectingCountry>
to
<collectingCountry id="CBEE7612FFD7FFB8263F68D2101D0DD5" box="[1039,1100,1201,1222]" name="Oman" pageId="17" pageNumber="114">Oman</collectingCountry>
,
<collectingMunicipality id="5322ACF8FFD7FFB8266568D2108F0DD5" box="[1109,1246,1201,1222]" pageId="17" pageNumber="114">southern India</collectingMunicipality>
and Andaman Sea]
</keyLead>
</materialsCitation>
</paragraph>
<paragraph id="B3463682FFD7FFB822A768AD11CD0C12" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<materialsCitation id="03913CDFFFD7FFB822A768AD11CD0C12" ID-GBIF-Occurrence="1500371052" country="Somalia" location="western Indian Ocean" pageId="17" pageNumber="114" specimenCount="1">
<keyLead id="080895B7FFD7FFB822A768AD11CD0C12" pageId="17" pageNumber="114">
7b. Caudal fin short, length ~24% TL; mouth broad, width ~9.2–9.6% TL; body stout in large specimens; high diplospondylous precaudal (~43–44) and total (~135–140) vertebral counts..............
<taxonomicName id="74F94D01FFD7FFB82186688F104C0C12" ID-CoL="P2LV" box="[950,1053,1259,1281]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="vivaldii" status="sp. nov.">
<emphasis id="818DEA90FFD7FFB82186688F104C0C12" box="[950,1053,1259,1281]" italics="true" pageId="17" pageNumber="114">B. vivaldii</emphasis>
</taxonomicName>
<emphasis id="818DEA90FFD7FFB826146888100B0C12" bold="true" box="[1060,1114,1259,1281]" pageId="17" pageNumber="114">
<taxonomicNameLabel id="9ABE57EBFFD7FFB826146888100B0C12" box="[1060,1114,1259,1281]" pageId="17" pageNumber="114" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
[
<location id="B6266059FFD7FFB82655688F116D0C12" LSID="urn:lsid:plazi:treatment:3B508794FFD7FFB822A76D1311CD0E58:B6266059FFD7FFB82655688F116D0C12" box="[1125,1340,1260,1281]" country="Somalia" name="western Indian Ocean" pageId="17" pageNumber="114">western Indian Ocean</location>
:
<collectingCountry id="CBEE7612FFD7FFB82775688F11C60C12" box="[1349,1431,1260,1281]" name="Somalia" pageId="17" pageNumber="114">Somalia</collectingCountry>
]
</keyLead>
</materialsCitation>
</paragraph>
</keyStep>
<keyStep id="080D2E27FFD7FFB822A7696A11CD0C28" pageId="17" pageNumber="114">
<paragraph id="B3463682FFD7FFB822A7696A11CA0C0D" blockId="17.[151,1436,438,1867]" box="[151,1435,1289,1310]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A7696A11CA0C0D" box="[151,1435,1289,1310]" pageId="17" pageNumber="114">8a. Labial furrows reduced, with uppers and lowers about equal in length........................................... 9.</keyLead>
</paragraph>
<paragraph id="B3463682FFD7FFB822A7694511CD0C28" blockId="17.[151,1436,438,1867]" box="[151,1436,1318,1339]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A7694511CD0C28" box="[151,1436,1318,1339]" pageId="17" pageNumber="114">8b. Labial furrows distinct, with lowers noticeably longer than uppers............................................. 10.</keyLead>
</paragraph>
</keyStep>
<keyStep id="080D2E27FFD7FFB822A7692711CD0CA2" pageId="17" pageNumber="114">
<paragraph id="B3463682FFD7FFB822A7692711CD0C65" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<materialsCitation id="03913CDFFFD7FFB822A7692711CD0C65" ID-GBIF-Occurrence="1500371058" country="China" location="western central Pacific Ocean" pageId="17" pageNumber="114" specimenCount="1" stateProvince="South">
<keyLead id="080895B7FFD7FFB822A7692711CD0C65" pageId="17" pageNumber="114">
9a. Pre-vent length 1.3 times in tail length; preorbital snout length subequal to eye length; length of lateral trunk denticles less than twice their width..................................
<taxonomicName id="74F94D01FFD7FFB82116690217ED0C65" ID-CoL="P2LQ" box="[806,956,1376,1398]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="immaculatus">
<emphasis id="818DEA90FFD7FFB82116690217ED0C65" box="[806,956,1376,1398]" italics="true" pageId="17" pageNumber="114">B. immaculatus</emphasis>
</taxonomicName>
[
<location id="B6266059FFD7FFB821F7690210BA0C65" LSID="urn:lsid:plazi:treatment:3B508794FFD7FFB822A76D1311CD0E58:B6266059FFD7FFB821F7690210BA0C65" box="[967,1259,1377,1398]" country="China" name="western central Pacific Ocean" pageId="17" pageNumber="114" stateProvince="South">western central Pacific Ocean</location>
:
<collectingRegion id="713DF860FFD7FFB826C46902117D0C65" box="[1268,1324,1377,1398]" country="Tanzania" name="Kusini Unguja" pageId="17" pageNumber="114">South</collectingRegion>
<collectingCountry id="CBEE7612FFD7FFB827026902113A0C65" box="[1330,1387,1377,1398]" name="China" pageId="17" pageNumber="114">China</collectingCountry>
Sea]
</keyLead>
</materialsCitation>
</paragraph>
<paragraph id="B3463682FFD7FFB822A7691D11CD0CA2" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<materialsCitation id="03913CDFFFD7FFB822A7691D11CD0CA2" ID-GBIF-Occurrence="1500371055" country="Australia" location="southeastern Indian Ocean" pageId="17" pageNumber="114" specimenCount="1">
<keyLead id="080895B7FFD7FFB822A7691D11CD0CA2" pageId="17" pageNumber="114">
9b. Pre-vent length exceeds tail length; preorbital snout length 1.3 times eye length; length of lateral trunk denticles more than twice their width....................................
<taxonomicName id="74F94D01FFD7FFB8210B69FF17F10CA2" ID-CoL="P2LR" box="[827,928,1436,1457]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="incanus">
<emphasis id="818DEA90FFD7FFB8210B69FF17F10CA2" box="[827,928,1436,1457]" italics="true" pageId="17" pageNumber="114">B. incanus</emphasis>
</taxonomicName>
[
<location id="B6266059FFD7FFB8219B69FF10E10CA2" LSID="urn:lsid:plazi:treatment:3B508794FFD7FFB822A76D1311CD0E58:B6266059FFD7FFB8219B69FF10E10CA2" box="[939,1200,1436,1457]" country="Australia" name="southeastern Indian Ocean" pageId="17" pageNumber="114">southeastern Indian Ocean</location>
: northwestern
<collectingCountry id="CBEE7612FFD7FFB8270C69FF11C60CA2" box="[1340,1431,1436,1457]" name="Australia" pageId="17" pageNumber="114">Australia</collectingCountry>
]
</keyLead>
</materialsCitation>
</paragraph>
</keyStep>
<keyStep id="080D2E27FFD7FFB822A769DA11CA0F35" pageId="17" pageNumber="114">
<paragraph id="B3463682FFD7FFB822A769DA11CD0CF8" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<materialsCitation id="03913CDFFFD7FFB822A769DA11CD0CF8" ID-GBIF-Occurrence="1500371051" country="New Zealand" location="western Pacific Ocean" pageId="17" pageNumber="114" specimenCount="1">
<keyLead id="080895B7FFD7FFB822A769DA11CD0CF8" pageId="17" pageNumber="114">
10a. Light brown to gray on dorsal and lateral surfaces with a line of white spots on sides of small individuals, whitish ventrally, fin tips with broad white areas, caudal fin also with dark bands............
<taxonomicName id="74F94D01FFD7FFB8218769B510730CF8" ID-CoL="P2LM" box="[951,1058,1493,1515]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="dawsoni">
<emphasis id="818DEA90FFD7FFB8218769B510730CF8" box="[951,1058,1493,1515]" italics="true" pageId="17" pageNumber="114">B. dawsoni</emphasis>
</taxonomicName>
[
<location id="B6266059FFD7FFB8261E69B5115B0CF8" LSID="urn:lsid:plazi:treatment:3B508794FFD7FFB822A76D1311CD0E58:B6266059FFD7FFB8261E69B5115B0CF8" box="[1070,1290,1494,1515]" country="New Zealand" name="western Pacific Ocean" pageId="17" pageNumber="114">western Pacific Ocean</location>
:
<collectingCountry id="CBEE7612FFD7FFB8272369B511C70CF8" box="[1299,1430,1494,1515]" name="New Zealand" pageId="17" pageNumber="114">New Zealand</collectingCountry>
]
</keyLead>
</materialsCitation>
</paragraph>
<paragraph id="B3463682FFD7FFB822A7699711CA0F35" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A7699711CA0F35" pageId="17" pageNumber="114">10b. Flanks of body lack a line of white spots, ventrally darker, fin tips without broad white areas, caudal fin without dark bands.................................................................................................... 11.</keyLead>
</paragraph>
</keyStep>
<keyStep id="080D2E27FFD7FFB822A76A4D11CD0F88" pageId="17" pageNumber="114">
<paragraph id="B3463682FFD7FFB822A76A4D11CA0F72" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<materialsCitation id="03913CDFFFD7FFB822A76A4D11CA0F72" ID-GBIF-Occurrence="1500371053" country="Peru" location="southeastern Pacific Ocean" pageId="17" pageNumber="114" specimenCount="1">
<keyLead id="080895B7FFD7FFB822A76A4D11CA0F72" pageId="17" pageNumber="114">
11a. Color plain dark brown or blackish above and below; maturity size
<quantity id="74019B67FFD7FFB821586A4D17960F50" box="[872,967,1582,1603]" metricMagnitude="-1" metricUnit="m" metricValue="5.55" metricValueMax="5.9" metricValueMin="5.2" pageId="17" pageNumber="114" unit="cm" value="55.5" valueMax="59.0" valueMin="52.0">52–59 cm</quantity>
TL, maximum size
<quantity id="74019B67FFD7FFB826B96A4D10950F50" box="[1161,1220,1582,1603]" metricMagnitude="-1" metricUnit="m" metricValue="7.3" pageId="17" pageNumber="114" unit="cm" value="73.0">73 cm</quantity>
TL..................................................
<taxonomicName id="74F94D01FFD7FFB820BA6A2F175B0F72" ID-CoL="P2LK" box="[650,778,1612,1633]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="canescens">
<emphasis id="818DEA90FFD7FFB820BA6A2F175B0F72" box="[650,778,1612,1633]" italics="true" pageId="17" pageNumber="114">B. canescens</emphasis>
</taxonomicName>
[
<location id="B6266059FFD7FFB821266A2F10710F72" LSID="urn:lsid:plazi:treatment:3B508794FFD7FFB822A76D1311CD0E58:B6266059FFD7FFB821266A2F10710F72" box="[790,1056,1612,1633]" country="Peru" name="southeastern Pacific Ocean" pageId="17" pageNumber="114">southeastern Pacific Ocean</location>
:
<collectingCountry id="CBEE7612FFD7FFB826196A2F10040F72" box="[1065,1109,1612,1633]" name="Peru" pageId="17" pageNumber="114">Peru</collectingCountry>
and
<collectingCountry id="CBEE7612FFD7FFB826B46A2F10EB0F72" box="[1156,1210,1612,1633]" name="Chile" pageId="17" pageNumber="114">Chile</collectingCountry>
, to Straits of Magellan]
</keyLead>
</materialsCitation>
</paragraph>
<paragraph id="B3463682FFD7FFB822A76A0A11CD0F88" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A76A0A11CD0F88" pageId="17" pageNumber="114">
11b. Coloration lighter; maturity size
<quantity id="74019B67FFD7FFB820296A0A16260F6D" box="[537,631,1641,1662]" metricMagnitude="-1" metricUnit="m" metricValue="4.2" metricValueMax="4.8" metricValueMin="3.6" pageId="17" pageNumber="114" unit="cm" value="42.0" valueMax="48.0" valueMin="36.0">36–48 cm</quantity>
TL, maximum size
<quantity id="74019B67FFD7FFB821076A0A17C40F6D" box="[823,917,1641,1662]" metricMagnitude="-1" metricUnit="m" metricValue="5.0" metricValueMax="5.5" metricValueMin="4.5" pageId="17" pageNumber="114" unit="cm" value="50.0" valueMax="55.0" valueMin="45.0">45–55 cm</quantity>
TL; known only from the southwestern Indian Ocean.................................................................................................. 12.
</keyLead>
</paragraph>
</keyStep>
<keyStep id="080D2E27FFD7FFB822A76AC711CD0E58" pageId="17" pageNumber="114">
<paragraph id="B3463682FFD7FFB822A76AC711CA0FE0" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A76AC711CA0FE0" pageId="17" pageNumber="114">
12a. Coloration medium to dark brown with light fin edges and a distinct dark dusky-colored snout; dorsal caudal-fin margin with prominent crest of comb-like dermal denticles; tongue and roof of mouth without papillae.............................................................................
<taxonomicName id="74F94D01FFD7FFB8211D6ABD17DD0FE0" ID-CoL="P2LT" box="[813,908,1757,1779]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="naylori">
<emphasis id="818DEA90FFD7FFB8211D6ABD17DD0FE0" box="[813,908,1757,1779]" italics="true" pageId="17" pageNumber="114">B. naylori</emphasis>
</taxonomicName>
[southwestern Indian Ocean: Southwest Indian Ridge]
</keyLead>
</paragraph>
<paragraph id="B3463682FFD7FFB822A76A9F11CD0E58" blockId="17.[151,1436,438,1867]" pageId="17" pageNumber="114">
<keyLead id="080895B7FFD7FFB822A76A9F11CD0E58" pageId="17" pageNumber="114">
12b. Coloration plain beige to light grayish-brown; dorsal caudal-fin margin lacks prominent crest of comb-like dermal denticles; tongue and roof of mouth with numerous, partially composite papillae....................................................................................................
<taxonomicName id="74F94D01FFD7FFB8215D6B5517910E58" ID-CoL="P2LJ" box="[877,960,1845,1867]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="17" pageNumber="114" phylum="Chordata" rank="species" species="bachi">
<emphasis id="818DEA90FFD7FFB8215D6B5517910E58" box="[877,960,1845,1867]" italics="true" pageId="17" pageNumber="114">B. bachi</emphasis>
</taxonomicName>
[southwestern Indian Ocean: Madagascar Ridge]
</keyLead>
</paragraph>
</keyStep>
</subSubSection>
</treatment>
</document>
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