171 lines
20 KiB
XML
171 lines
20 KiB
XML
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<mods:title id="98FA98D427BE4FB4A977260CA93179CD">New species and records of deep-water Orbiniidae (Annelida, Polychaeta) from the Eastern Pacific continental slope, abyssal Pacific Ocean, and the South China Sea</mods:title>
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<mods:namePart id="F3C872F63A9F83C3A3756201B42F5D32">Blake, James A.</mods:namePart>
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<mods:date id="4B66220D90BF034789952D438E79021E">2020</mods:date>
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<treatment id="757F0D3E967B2307D8C0FF35FEA0FCED" ID-GBIF-Taxon="161938988" LSID="urn:lsid:plazi:treatment:757F0D3E967B2307D8C0FF35FEA0FCED" httpUri="http://treatment.plazi.org/id/757F0D3E967B2307D8C0FF35FEA0FCED" lastPageNumber="6" pageId="5" pageNumber="6">
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<subSubSection id="B5CCEFA3967B2307D8C0FF35FC74FF64" pageId="5" pageNumber="6" type="nomenclature">
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<paragraph id="FD69BC28967B2307D8C0FF35FDB6FF21" blockId="5.[151,541,153,180]" box="[151,541,153,180]" pageId="5" pageNumber="6">
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<heading id="A6210B44967B2307D8C0FF35FDB6FF21" bold="true" box="[151,541,153,180]" fontSize="11" level="1" pageId="5" pageNumber="6" reason="1">
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<emphasis id="CFA2603A967B2307D8C0FF35FDB6FF21" bold="true" box="[151,541,153,180]" pageId="5" pageNumber="6">
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Genus
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<taxonomicName id="3AD6C7AB967B2307D8B9FF35FDB6FF21" ID-CoL="84PL5" authority="Day, 1977" authorityName="Day" authorityYear="1977" box="[238,541,153,180]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
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<emphasis id="CFA2603A967B2307D8B9FF35FE30FF26" bold="true" box="[238,411,153,180]" italics="true" pageId="5" pageNumber="6">Leitoscoloplos</emphasis>
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<bibRefCitation id="9947C1D9967B2307D9F5FF36FDB6FF21" author="Day, J. H." box="[418,541,153,180]" pageId="5" pageNumber="6" pagination="217 - 246" refId="ref36492" refString="Day, J. H. (1977) A review of the Australian and New Zealand Orbiniidae (Annelida: Polychaeta). In: Reish, D. J. & Fauchald, K. (Eds.), Essays on Polychaetous Annelids in Memory of Dr. Olga Hartman. Allan Hancock Foundation, University of Southern California, Los Angeles, pp. 217 - 246." type="book chapter" year="1977">Day, 1977</bibRefCitation>
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</taxonomicName>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="FD69BC28967B2307D8C0FF71FC74FF64" blockId="5.[151,991,221,246]" box="[151,991,221,246]" pageId="5" pageNumber="6">
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<emphasis id="CFA2603A967B2307D8C0FF71FEB4FF64" bold="true" box="[151,287,221,246]" pageId="5" pageNumber="6">Type-species</emphasis>
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:
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<taxonomicName id="3AD6C7AB967B2307D97AFF72FD73FF64" authority="Hartman, 1957" authorityName="Hartman" authorityYear="1957" box="[301,728,221,246]" class="Polychaeta" family="Orbiniidae" genus="Haploscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="bifurcatus">
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<emphasis id="CFA2603A967B2307D97AFF72FD93FF64" box="[301,568,222,246]" italics="true" pageId="5" pageNumber="6">Haploscoloplos bifurcatus</emphasis>
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<bibRefCitation id="9947C1D9967B2307DA69FF72FD73FF64" author="Hartman, O." box="[574,728,221,246]" pageId="5" pageNumber="6" pagination="211 - 393" refId="ref36915" refString="Hartman, O. (1957) Orbiniidae, Apistobranchidae, Paraonidae and Longosomidae. Allan Hancock Pacific Expeditions, 15 (3), 211 - 393, pls. 20 - 44, 1 chart. [https: // biodiversitylibrary. org / page / 4160176]" type="journal article" year="1957">Hartman, 1957</bibRefCitation>
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</taxonomicName>
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, designated by
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<bibRefCitation id="9947C1D9967B2307DB22FF72FC77FF64" author="Day, J. H." box="[885,988,222,246]" pageId="5" pageNumber="6" pagination="217 - 246" refId="ref36492" refString="Day, J. H. (1977) A review of the Australian and New Zealand Orbiniidae (Annelida: Polychaeta). In: Reish, D. J. & Fauchald, K. (Eds.), Essays on Polychaetous Annelids in Memory of Dr. Olga Hartman. Allan Hancock Foundation, University of Southern California, Los Angeles, pp. 217 - 246." type="book chapter" year="1977">Day 1977</bibRefCitation>
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.
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="B5CCEFA3967B2307D8C0FE8FFCD5FE61" pageId="5" pageNumber="6" type="diagnosis">
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||
<paragraph id="FD69BC28967B2307D8C0FE8FFCD5FE61" blockId="5.[151,1437,291,895]" pageId="5" pageNumber="6">
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<emphasis id="CFA2603A967B2307D8C0FE8FFEA1FEAC" bold="true" box="[151,266,291,318]" pageId="5" pageNumber="6">Diagnosis</emphasis>
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. (after
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<bibRefCitation id="9947C1D9967B2307D936FE88FE4CFEAC" author="Blake, J. A." box="[353,487,292,318]" pageId="5" pageNumber="6" pagination="1 - 145" refId="ref35753" refString="Blake, J. A. (2017) Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the abyssal Pacific Ocean, and off South Amer- ica. Zootaxa, 4218 (1), 1 - 145. https: // doi. org / 10.11646 / zootaxa. 4218.1.1" type="journal article" year="2017">Blake 2017</bibRefCitation>
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) Prostomium pointed, conical; peristomium typically with one achaetous ring, but with additional superficial annulae on some species. Branchiae lacking, or present from posterior thoracic, transitional, or abdominal setiger. Posterior thoracic setigers with 0–2 postsetal lobes and 0–2 subpodial lobes; abdominal setigers with 0–4 subpodial papillae; stomach papillae rare, interramal cirri present or absent. Thoracic neurosetae only crenulated capillaries. Without abdominal neuropodial spines, with 2–3 imbedded aciculae present or absent. Notopodial furcate setae present or absent in abdominal segments.
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</paragraph>
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</subSubSection>
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<subSubSection id="B5CCEFA3967B2307D890FE50FEA0FCED" pageId="5" pageNumber="6" type="discussion">
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<paragraph id="FD69BC28967B2307D890FE50FDB2FD7D" blockId="5.[151,1437,291,895]" pageId="5" pageNumber="6">
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<emphasis id="CFA2603A967B2307D890FE50FE90FD84" bold="true" box="[199,315,508,534]" pageId="5" pageNumber="6">Remarks.</emphasis>
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<bibRefCitation id="9947C1D9967B2307D915FE50FE7DFD84" author="Blake, J. A." box="[322,470,508,534]" pageId="5" pageNumber="6" pagination="1 - 145" refId="ref35753" refString="Blake, J. A. (2017) Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the abyssal Pacific Ocean, and off South Amer- ica. Zootaxa, 4218 (1), 1 - 145. https: // doi. org / 10.11646 / zootaxa. 4218.1.1" type="journal article" year="2017">Blake (2017)</bibRefCitation>
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referred 27 species to
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<taxonomicName id="3AD6C7AB967B2307DA82FE50FCD3FD84" authorityName="Day" authorityYear="1977" box="[725,888,508,534]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
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<emphasis id="CFA2603A967B2307DA82FE50FCD3FD84" box="[725,888,508,534]" italics="true" pageId="5" pageNumber="6">Leitoscoloplos</emphasis>
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</taxonomicName>
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||
. Five new species of
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<taxonomicName id="3AD6C7AB967B2307DC3BFE50FAA4FD84" authorityName="Day" authorityYear="1977" box="[1132,1295,508,534]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
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<emphasis id="CFA2603A967B2307DC3BFE50FAA4FD84" box="[1132,1295,508,534]" italics="true" pageId="5" pageNumber="6">Leitoscoloplos</emphasis>
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||
</taxonomicName>
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||
:
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<emphasis id="CFA2603A967B2307DD49FE51FA37FD84" box="[1310,1436,508,534]" italics="true" pageId="5" pageNumber="6">
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L.,
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<taxonomicName id="3AD6C7AB967B2307DD14FE50FA37FD84" authority="Blake, 2020" authorityName="Blake" authorityYear="2020" box="[1347,1436,508,534]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="cliffordi" status="sp. nov.">cliffordi</taxonomicName>
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||
</emphasis>
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||
<emphasis id="CFA2603A967B2307D8C0FD8CFF7DFDA8" bold="true" box="[151,214,544,570]" pageId="5" pageNumber="6">
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||
<taxonomicNameLabel id="D491DD41967B2307D8C0FD8CFF7DFDA8" box="[151,214,544,570]" pageId="5" pageNumber="6" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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||
,
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<taxonomicName id="3AD6C7AB967B2307D8B3FD8DFED0FDA8" authority="Blake, 2020" authorityName="Blake" authorityYear="2020" box="[228,379,544,571]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="gordaensis" status="sp. nov.">
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<emphasis id="CFA2603A967B2307D8B3FD8DFF5FFDA8" box="[228,244,545,570]" italics="true" pageId="5" pageNumber="6">L</emphasis>
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||
.
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<emphasis id="CFA2603A967B2307D956FD8CFED0FDA8" box="[257,379,544,570]" italics="true" pageId="5" pageNumber="6">gordaensis</emphasis>
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</taxonomicName>
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<emphasis id="CFA2603A967B2307D9D5FD8CFE6BFDA8" bold="true" box="[386,448,544,570]" pageId="5" pageNumber="6">
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<taxonomicNameLabel id="D491DD41967B2307D9D5FD8CFE6BFDA8" box="[386,448,544,570]" pageId="5" pageNumber="6" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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,
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<taxonomicName id="3AD6C7AB967B2307D999FD8DFD95FDA8" authority="Blake, 2020" authorityName="Blake" authorityYear="2020" box="[462,574,544,570]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="lunulus" status="sp. nov.">
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<emphasis id="CFA2603A967B2307D999FD8DFD95FDA8" box="[462,574,544,570]" italics="true" pageId="5" pageNumber="6">L. lunulus</emphasis>
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</taxonomicName>
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<emphasis id="CFA2603A967B2307DA12FD8CFD28FDA8" bold="true" box="[581,643,544,570]" pageId="5" pageNumber="6">
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||
<taxonomicNameLabel id="D491DD41967B2307DA12FD8CFD28FDA8" box="[581,643,544,570]" pageId="5" pageNumber="6" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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,
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<taxonomicName id="3AD6C7AB967B2307DAC6FD8DFCA2FDA8" authority="Blake, 2020" authorityName="Blake" authorityYear="2020" box="[657,777,544,571]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="sahlingi" status="sp. nov.">
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<emphasis id="CFA2603A967B2307DAC6FD8DFD0AFDA8" box="[657,673,545,570]" italics="true" pageId="5" pageNumber="6">L</emphasis>
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||
.
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<emphasis id="CFA2603A967B2307DAF8FD8CFCA2FDA8" box="[687,777,544,570]" italics="true" pageId="5" pageNumber="6">sahlingi</emphasis>
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</taxonomicName>
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<emphasis id="CFA2603A967B2307DB47FD8CFCE5FDA8" bold="true" box="[784,846,544,570]" pageId="5" pageNumber="6">
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||
<taxonomicNameLabel id="D491DD41967B2307DB47FD8CFCE5FDA8" box="[784,846,544,570]" pageId="5" pageNumber="6" rank="species">n. sp.</taxonomicNameLabel>
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||
</emphasis>
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||
, and
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<taxonomicName id="3AD6C7AB967B2307DBDCFD8DFB89FDA8" authority="Blake, 2020" authorityName="Blake" authorityYear="2020" box="[907,1058,544,570]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="williamsae" status="sp. nov.">
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||
<emphasis id="CFA2603A967B2307DBDCFD8DFB89FDA8" box="[907,1058,544,570]" italics="true" pageId="5" pageNumber="6">L. williamsae</emphasis>
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||
</taxonomicName>
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<emphasis id="CFA2603A967B2307DC7EFD8CFBCCFDA8" bold="true" box="[1065,1127,544,570]" pageId="5" pageNumber="6">
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||
<taxonomicNameLabel id="D491DD41967B2307DC7EFD8CFBCCFDA8" box="[1065,1127,544,570]" pageId="5" pageNumber="6" rank="species">n. sp.</taxonomicNameLabel>
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||
</emphasis>
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have been discovered from deep-water habitats in the northeastern Pacific and are here described. These five new species bring the total number of known species of
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<taxonomicName id="3AD6C7AB967B2307D9D5FDC4FD8EFD10" authorityName="Day" authorityYear="1977" box="[386,549,616,642]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
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||
<emphasis id="CFA2603A967B2307D9D5FDC4FD8EFD10" box="[386,549,616,642]" italics="true" pageId="5" pageNumber="6">Leitoscoloplos</emphasis>
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||
</taxonomicName>
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to 32. Four of the new species belong to the
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<taxonomicName id="3AD6C7AB967B2307DC71FDC5FA37FD10" authority="(McIntosh, 1885)" baseAuthorityName="McIntosh" baseAuthorityYear="1885" box="[1062,1436,615,642]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="kerguelensis">
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||
<emphasis id="CFA2603A967B2307DC71FDC5FB7BFD10" box="[1062,1232,616,642]" italics="true" pageId="5" pageNumber="6">L. kerguelensis</emphasis>
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||
(
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||
<bibRefCitation id="9947C1D9967B2307DC88FDC4FA3FFD10" author="McIntosh, W. C." box="[1247,1428,615,642]" pageId="5" pageNumber="6" pagination="1 - 554" refId="ref38175" refString="McIntosh, W. C. (1885) Report on the Annelida Polychaeta collected by H. M. S. Challenger during the years 1873 - 76. Challenger Reports, 12, 1 - 554, pls. 1 - 55 + 1 a- 39 a. [https: // biodiversitylibrary. org / page / 50688432]" type="journal article" year="1885">McIntosh, 1885</bibRefCitation>
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||
)
|
||
</taxonomicName>
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||
group as defined by
|
||
<bibRefCitation id="9947C1D9967B2307D920FD20FDA0FD34" author="Blake, J. A." box="[375,523,652,678]" pageId="5" pageNumber="6" pagination="1 - 145" refId="ref35753" refString="Blake, J. A. (2017) Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the abyssal Pacific Ocean, and off South Amer- ica. Zootaxa, 4218 (1), 1 - 145. https: // doi. org / 10.11646 / zootaxa. 4218.1.1" type="journal article" year="2017">Blake (2017)</bibRefCitation>
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||
, in which the branchiae begin on an anterior abdominal segment. The fifth species,
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<taxonomicName id="3AD6C7AB967B2307D8C0FD1DFEBBFD58" authority="Blake, 2020" authorityName="Blake" authorityYear="2020" box="[151,272,688,714]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="sahlingi" status="sp. nov.">
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||
<emphasis id="CFA2603A967B2307D8C0FD1DFEBBFD58" box="[151,272,688,714]" italics="true" pageId="5" pageNumber="6">L. sahlingi</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="CFA2603A967B2307D94FFD1CFEF3FD58" bold="true" box="[280,344,688,714]" pageId="5" pageNumber="6">
|
||
<taxonomicNameLabel id="D491DD41967B2307D94FFD1CFEF3FD58" box="[280,344,688,714]" pageId="5" pageNumber="6" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, is in a group that includes
|
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<taxonomicName id="3AD6C7AB967B2307DAC2FD1DFBABFD58" authority="(Pettibone, 1957)" baseAuthorityName="Pettibone" baseAuthorityYear="1957" box="[661,1024,687,714]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="pugettensis">
|
||
<emphasis id="CFA2603A967B2307DAC2FD1DFC99FD58" box="[661,818,689,714]" italics="true" pageId="5" pageNumber="6">L. pugettensis</emphasis>
|
||
(
|
||
<bibRefCitation id="9947C1D9967B2307DB15FD1CFC53FD58" author="Pettibone, M. H." box="[834,1016,687,714]" pageId="5" pageNumber="6" pagination="159 - 167" refId="ref38904" refString="Pettibone, M. H. (1957) North American genera of the family Orbiniidae. Journal of the Washington Academy of Science, 47, 159 - 167, 4 figs. [https: // biodiversitylibrary. org / page / 39753528]" type="book chapter" year="1957">Pettibone, 1957</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
, in which branchiae are first present from a posterior thoracic segment.
|
||
</paragraph>
|
||
<paragraph id="FD69BC28967B2307D890FD54FEA0FCED" blockId="5.[151,1437,291,895]" pageId="5" pageNumber="6">
|
||
Seven species of
|
||
<taxonomicName id="3AD6C7AB967B2307D9DFFD54FD80FC80" authorityName="Day" authorityYear="1977" box="[392,555,760,786]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
|
||
<emphasis id="CFA2603A967B2307D9DFFD54FD80FC80" box="[392,555,760,786]" italics="true" pageId="5" pageNumber="6">Leitoscoloplos</emphasis>
|
||
</taxonomicName>
|
||
occur along the continental margin of the northeastern Pacific Ocean in depths of about
|
||
<quantity id="3A2E11CD967B2307D8AAFCB7FEEFFCA5" box="[253,324,795,823]" metricMagnitude="2" metricUnit="m" metricValue="7.5" pageId="5" pageNumber="6" unit="m" value="750.0">750 m</quantity>
|
||
or greater. In order to help readers separate these deep-water species, a key is presented here. Additional data on deep-water
|
||
<taxonomicName id="3AD6C7AB967B2307D980FCECFDD1FCC8" authorityName="Day" authorityYear="1977" box="[471,634,832,858]" class="Polychaeta" family="Orbiniidae" genus="Leitoscoloplos" kingdom="Animalia" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
|
||
<emphasis id="CFA2603A967B2307D980FCECFDD1FCC8" box="[471,634,832,858]" italics="true" pageId="5" pageNumber="6">Leitoscoloplos</emphasis>
|
||
</taxonomicName>
|
||
from a global perspective is presented in the Discussion at the end of this paper.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |