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<mods:title id="95E21E51D007717CF0F33E90532C0AC9">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="FC513A69B8E659A7262B82D5AD8395F9">Blake, James A.</mods:namePart>
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<treatment id="757F0D3E965C2320D8C0FE15FD4EFB46" ID-GBIF-Taxon="161939008" LSID="urn:lsid:plazi:treatment:757F0D3E965C2320D8C0FE15FD4EFB46" httpUri="http://treatment.plazi.org/id/757F0D3E965C2320D8C0FE15FD4EFB46" lastPageNumber="35" pageId="34" pageNumber="35">
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<paragraph id="FD69BC28965C2320D8C0FE15FD8FFE41" blockId="34.[151,548,441,468]" box="[151,548,441,468]" pageId="34" pageNumber="35">
<heading id="A6210B44965C2320D8C0FE15FD8FFE41" bold="true" box="[151,548,441,468]" fontSize="11" level="1" pageId="34" pageNumber="35" reason="1">
<emphasis id="CFA2603A965C2320D8C0FE15FD8FFE41" bold="true" box="[151,548,441,468]" pageId="34" pageNumber="35">
Genus
<taxonomicName id="3AD6C7AB965C2320D8B9FE15FD8FFE41" ID-CoL="84R2Y" authority="Kinberg, 1866" authorityName="Kinberg" authorityYear="1866" box="[238,548,441,468]" class="Polychaeta" family="Orbiniidae" genus="Leodamas" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Annelida" rank="genus">
<emphasis id="CFA2603A965C2320D8B9FE15FEC1FE46" bold="true" box="[238,362,441,468]" italics="true" pageId="34" pageNumber="35">Leodamas</emphasis>
<bibRefCitation id="9947C1D9965C2320D925FE15FD8FFE41" author="Kinberg, J." box="[370,548,441,467]" pageId="34" pageNumber="35" pagination="239 - 258" refId="ref37723" refString="Kinberg, J. (1866) Annulata nova. Ofversight af Kungliga Vetenskaps-Adakemiens Forhandlingar, Stockholm, 22, 239 - 258. [https: // biodiversitylibrary. org / page / 32339515]" type="journal article" year="1866">Kinberg, 1866</bibRefCitation>
</taxonomicName>
</emphasis>
</heading>
</paragraph>
<paragraph id="FD69BC28965C2320D8C0FE51FCADFD84" blockId="34.[151,1437,509,595]" box="[151,774,509,534]" pageId="34" pageNumber="35">
<emphasis id="CFA2603A965C2320D8C0FE51FE8CFD84" bold="true" box="[151,295,509,534]" pageId="34" pageNumber="35">Type-species:</emphasis>
<taxonomicName id="3AD6C7AB965C2320D979FE51FDC4FD84" authority="Kinberg, 1866" authorityName="Kinberg" authorityYear="1866" box="[302,623,509,534]" class="Polychaeta" family="Orbiniidae" genus="Leodamas" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Annelida" rank="species" species="verax">
<emphasis id="CFA2603A965C2320D979FE51FE7FFD87" box="[302,468,509,533]" italics="true" pageId="34" pageNumber="35">Leodamas verax</emphasis>
<bibRefCitation id="9947C1D9965C2320D98CFE51FDC4FD84" author="Kinberg, J." box="[475,623,509,534]" pageId="34" pageNumber="35" pagination="239 - 258" refId="ref37723" refString="Kinberg, J. (1866) Annulata nova. Ofversight af Kungliga Vetenskaps-Adakemiens Forhandlingar, Stockholm, 22, 239 - 258. [https: // biodiversitylibrary. org / page / 32339515]" type="journal article" year="1866">Kinberg, 1866</bibRefCitation>
</taxonomicName>
, by monotypy.
</paragraph>
</subSubSection>
<subSubSection id="B5CCEFA3965C2320D8C0FDB7FEAAFDC1" pageId="34" pageNumber="35" type="description">
<paragraph id="FD69BC28965C2320D8C0FDB7FEAAFDC1" blockId="34.[151,1437,509,595]" pageId="34" pageNumber="35">
<emphasis id="CFA2603A965C2320D8C0FDB7FEAEFDA6" bold="true" box="[151,261,539,564]" pageId="34" pageNumber="35">Synonym:</emphasis>
<taxonomicName id="3AD6C7AB965C2320D95BFDB0FDE5FDA6" authority="Chamberlin, 1919" authorityName="Chamberlin" authorityYear="1919" box="[268,590,539,564]" class="Polychaeta" family="Orbiniidae" genus="Branchethus" higherTaxonomySource="CoL" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Annelida" rank="genus">
<emphasis id="CFA2603A965C2320D95BFDB0FE27FDA6" box="[268,396,540,564]" italics="true" pageId="34" pageNumber="35">Branchethus</emphasis>
<bibRefCitation id="9947C1D9965C2320D9C4FDB7FDE5FDA6" author="Chamberlin, R. V." box="[403,590,539,564]" pageId="34" pageNumber="35" pagination="1 - 514" refId="ref36328" refString="Chamberlin, R. V. (1919) The Annelida Polychaeta (Albatross Expeditions). Memoirs of the Museum of Comparative Zoology at Harvard College, 48, 1 - 514. [http: // www. biodiversitylibrary. org / ia / memoirsofmuseumo 4801 harv]" type="journal article" year="1919">Chamberlin, 1919</bibRefCitation>
</taxonomicName>
.
<emphasis id="CFA2603A965C2320DA0FFDB7FD43FDA6" bold="true" box="[600,744,539,564]" pageId="34" pageNumber="35">Type-species:</emphasis>
<taxonomicName id="3AD6C7AB965C2320DAB8FDB0FBDAFDA6" authority="Chamberlin, 1919" authorityName="Chamberlin" authorityYear="1919" box="[751,1137,539,564]" class="Polychaeta" family="Orbiniidae" genus="Branchethus" higherTaxonomySource="CoL" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Annelida" rank="species" species="latum">
<emphasis id="CFA2603A965C2320DAB8FDB0FC1BFDA6" box="[751,944,540,564]" italics="true" pageId="34" pageNumber="35">Branchethus latum</emphasis>
<bibRefCitation id="9947C1D9965C2320DBE0FDB7FBDAFDA6" author="Chamberlin, R. V." box="[951,1137,539,564]" pageId="34" pageNumber="35" pagination="1 - 514" refId="ref36328" refString="Chamberlin, R. V. (1919) The Annelida Polychaeta (Albatross Expeditions). Memoirs of the Museum of Comparative Zoology at Harvard College, 48, 1 - 514. [http: // www. biodiversitylibrary. org / ia / memoirsofmuseumo 4801 harv]" type="journal article" year="1919">Chamberlin, 1919</bibRefCitation>
</taxonomicName>
, by monotypy.
<emphasis id="CFA2603A965C2320DD59FDB0FA97FDA6" box="[1294,1340,540,564]" italics="true" pageId="34" pageNumber="35">Fide</emphasis>
<bibRefCitation id="9947C1D9965C2320DD13FDB0FF56FDC1" author="Hartman, O." pageId="34" pageNumber="35" 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>
.
</paragraph>
</subSubSection>
<subSubSection id="B5CCEFA3965C2320D8C0FDD5FB83FC26" pageId="34" pageNumber="35" type="diagnosis">
<paragraph id="FD69BC28965C2320D8C0FDD5FB83FC26" blockId="34.[151,1437,633,1236]" pageId="34" pageNumber="35">
<emphasis id="CFA2603A965C2320D8C0FDD5FEB9FD06" bold="true" box="[151,274,633,660]" pageId="34" pageNumber="35">Diagnosis.</emphasis>
(after
<bibRefCitation id="9947C1D9965C2320D935FDD6FE40FD06" author="Blake, J. A." box="[354,491,634,660]" pageId="34" pageNumber="35" 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>
). Prostomium pointed on anterior margin, usually prolonged; most species with a single achaetous peristomial segment; immature adults of some species with two achaetous peristomial rings and adults of at least one species with vague indication of two achaetous segments. Branchiae single or with multiple branches, either from anterior thoracic setigers 47 or from posterior thoracic setigers or first abdominal setigers. Posterior thoracic setigers with 02 postsetal lobes and 02 subpodial lobes, never more than four lobes of both
<typeStatus id="226D028A965C2320D8C0FC83FF79FCDB" box="[151,210,815,841]" pageId="34" pageNumber="35">types</typeStatus>
combined; not forming ventral fringes. Thoracic neuropodial uncini large, conspicuous, arranged in one to many distinct vertical rows, with accompanying capillaries few or entirely lacking; heavy spear-like spines and bristle-topped setae absent. Abdominal neuropodia with projecting aciculae, either thin and inconspicuous or large and curved apically. Abdominal noto- or neuropodial flail setae present or absent.
</paragraph>
</subSubSection>
<subSubSection id="B5CCEFA3965C2320D890FC12FD4EFB46" pageId="34" pageNumber="35" type="discussion">
<paragraph id="FD69BC28965C2320D890FC12FD4EFB46" blockId="34.[151,1437,633,1236]" pageId="34" pageNumber="35">
<emphasis id="CFA2603A965C2320D890FC12FE9FFC4A" bold="true" box="[199,308,958,984]" pageId="34" pageNumber="35">Remarks</emphasis>
.
<bibRefCitation id="9947C1D9965C2320D913FC12FE72FC4A" author="Blake, J. A." box="[324,473,958,984]" pageId="34" pageNumber="35" 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>
redefined
<taxonomicName id="3AD6C7AB965C2320DA03FC12FD6CFC4A" authorityName="Kinberg" authorityYear="1866" box="[596,711,958,984]" class="Polychaeta" family="Orbiniidae" genus="Leodamas" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Annelida" rank="genus">
<emphasis id="CFA2603A965C2320DA03FC12FD6CFC4A" box="[596,711,958,984]" italics="true" pageId="34" pageNumber="35">Leodamas</emphasis>
</taxonomicName>
and referred 29 species to the genus; an additional species was subsequently described by
<bibRefCitation id="9947C1D9965C2320D99CFC4EFD25FC6E" author="Sun, Y. &amp; Sui, J. &amp; Xinzheng, L." box="[459,654,994,1020]" pageId="34" pageNumber="35" pagination="130 - 135" refId="ref39320" refString="Sun, Y., Sui, J. &amp; Xinzheng, L. (2018) A new species of Leodamas Kinberg, 1866 (Polychaeta: Orbiniidae) from the Yellow Sea and the East China Sea. Acta Oceanologica Sinica, 37 (10), 130 - 135. https: // doi. org / 10.1007 / s 13131 - 018 - 1313 - 2" type="journal article" year="2018">
Sun
<emphasis id="CFA2603A965C2320DA57FC4FFD91FC6E" box="[512,570,994,1020]" italics="true" pageId="34" pageNumber="35">et al.</emphasis>
(2018)
</bibRefCitation>
from the East
<collectingCountry id="85C1FCB8965C2320DB6DFC4EFCD6FC6E" box="[826,893,994,1020]" name="China" pageId="34" pageNumber="35">China</collectingCountry>
Sea.
<bibRefCitation id="9947C1D9965C2320DBE9FC4EFBF8FC6E" author="Blake, J. A." box="[958,1107,994,1020]" pageId="34" pageNumber="35" 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>
divided the species into two groups: (A) species with branchiae from an anterior thoracic setiger (47) and thoracic neuropodial uncini typically in three or more rows and (B) species with branchiae from a posterior thoracic or anterior abdominal setiger (1229) and thoracic neuropodial uncini typically in one or two rows. Based on
<bibRefCitation id="9947C1D9965C2320DBEFFBE2FBE0FBFA" author="Blake, J. A." box="[952,1099,1102,1128]" pageId="34" pageNumber="35" 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>
and
<bibRefCitation id="9947C1D9965C2320DCD6FBE2FA94FBFA" author="Sun, Y. &amp; Sui, J. &amp; Xinzheng, L." box="[1153,1343,1102,1129]" pageId="34" pageNumber="35" pagination="130 - 135" refId="ref39320" refString="Sun, Y., Sui, J. &amp; Xinzheng, L. (2018) A new species of Leodamas Kinberg, 1866 (Polychaeta: Orbiniidae) from the Yellow Sea and the East China Sea. Acta Oceanologica Sinica, 37 (10), 130 - 135. https: // doi. org / 10.1007 / s 13131 - 018 - 1313 - 2" type="journal article" year="2018">
Sun
<emphasis id="CFA2603A965C2320DCE4FBE3FB4FFBFA" box="[1203,1252,1102,1128]" italics="true" pageId="34" pageNumber="35">et al</emphasis>
. (2018)
</bibRefCitation>
, 20 species of
<taxonomicName id="3AD6C7AB965C2320D8BDFBDEFEF6FB1E" authorityName="Kinberg" authorityYear="1866" box="[234,349,1138,1164]" class="Polychaeta" family="Orbiniidae" genus="Leodamas" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Annelida" rank="genus">
<emphasis id="CFA2603A965C2320D8BDFBDEFEF6FB1E" box="[234,349,1138,1164]" italics="true" pageId="34" pageNumber="35">Leodamas</emphasis>
</taxonomicName>
are known from Group A, of which only three have been reported from depths greater than
<specimenCount id="EBD077A1965C2320DD25FBDDFF1FFB23" pageId="34" pageNumber="35" type="generic">
<quantity id="3A2E11CD965C2320DD25FBDDFF1BFB23" metricMagnitude="2" metricUnit="m" metricValue="5.0" pageId="34" pageNumber="35" unit="m" value="500.0">500 m</quantity>
.
</specimenCount>
An additional species belonging to Group A has been discovered among deep-water samples (&gt;
<quantity id="3A2E11CD965C2320DC8DFB39FA9AFB23" box="[1242,1329,1173,1201]" metricMagnitude="3" metricUnit="m" metricValue="1.5" pageId="34" pageNumber="35" unit="m" value="1500.0">1500 m</quantity>
) from off
<collectingCountry id="85C1FCB8965C2320D8C0FB16FF48FB46" box="[151,227,1210,1236]" name="Brunei" pageId="34" pageNumber="35">Brunei</collectingCountry>
in the South
<collectingCountry id="85C1FCB8965C2320D92EFB16FE17FB46" box="[377,444,1210,1236]" name="China" pageId="34" pageNumber="35">China</collectingCountry>
Sea and is here described.
</paragraph>
</subSubSection>
</treatment>
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