367 lines
50 KiB
XML
367 lines
50 KiB
XML
<document ID-CLB-Dataset="25053" ID-DOI="http://dx.doi.org/10.3897/zookeys.883.36193" ID-GBIF-Dataset="4f6d7148-d281-4073-8bc1-24ce51c3717b" ID-PMC="PMC6828828" ID-Pensoft-Pub="1313-2970-883-1" ID-Pensoft-UUID="EAC9B5058CE55C5AA9A344F6FEFA25D5" ID-PubMed="31719773" ID-ZooBank="7ABDE7F0DD424B968A1380E1E59B1515" ModsDocID="1313-2970-883-1" checkinTime="1572422626326" checkinUser="pensoft" docAuthor="Wiklund, Helena, Neal, Lenka, Glover, Adrian G., Drennan, Regan, Muriel Rabone, & Dahlgren, Thomas G." docDate="2019" docId="30598BA5EF7856869C12AF76FA98A389" docLanguage="en" docName="ZooKeys 883: 1-82" docOrigin="ZooKeys 883" docSource="http://dx.doi.org/10.3897/zookeys.883.36193" docTitle="Oligobregma tani Wiklund, Neal, Glover, Drennan, Rabone & Dahlgren, 2019, sp. nov." docType="treatment" docUuid="EB95F031-2A2D-449D-8F2A-114EC628C9D2" docUuidSource="ZooBank" docVersion="7" id="EAC9B5058CE55C5AA9A344F6FEFA25D5" lastPageNumber="1" masterDocId="EAC9B5058CE55C5AA9A344F6FEFA25D5" masterDocTitle="Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Capitellidae, Opheliidae, Scalibregmatidae, and Travisiidae" masterLastPageNumber="82" masterPageNumber="1" pageNumber="1" updateTime="1732936696725" updateUser="ExternalLinkService">
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<mods:title id="84D39A31EE67D7765B0D84FE78067060">Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Capitellidae, Opheliidae, Scalibregmatidae, and Travisiidae</mods:title>
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<mods:namePart id="FECF84BDB8EE850F5C706F1B86FEEA9E">Wiklund, Helena</mods:namePart>
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<mods:namePart id="29AB7A06FA7C1D20FA00C69D96DE710B">Neal, Lenka</mods:namePart>
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<mods:namePart id="8DB5084E008D0D60D58BDBE0449C31CA">Glover, Adrian G.</mods:namePart>
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<mods:namePart id="2AED12A19EF0C8CC4DB06F896F77BF2E">Drennan, Regan</mods:namePart>
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<mods:namePart id="92CC47CFA79CAB7D2A4E57A7146C1EB4">Muriel Rabone,</mods:namePart>
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<mods:namePart id="AF124275578E2F74C5EC5DD66EB338ED">Dahlgren, Thomas G.</mods:namePart>
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<mods:typeOfResource id="16957627E87641389AEE328DB35DDF52">text</mods:typeOfResource>
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<mods:date id="B6B320DD647AF406258DC646A3B6BF9D">2019</mods:date>
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<mods:number id="C8EAEC9DF86A0CBFE50F705E0D10F5E0">883</mods:number>
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<mods:url id="6CDD2CEC50DF888134B3F7151BCDE08A">http://dx.doi.org/10.3897/zookeys.883.36193</mods:url>
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<mods:classification id="F511385F87911F39816997E6222AB649">journal article</mods:classification>
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<mods:identifier id="1F3393BC44DD895DC63728BEEA61192E" type="DOI">http://dx.doi.org/10.3897/zookeys.883.36193</mods:identifier>
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<mods:identifier id="C0DEA91739234D45DD3DFB07CDEB7552" type="Pensoft-Pub">1313-2970-883-1</mods:identifier>
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<treatment id="30598BA5EF7856869C12AF76FA98A389" ID-GBIF-Taxon="159909646" LSID="urn:lsid:zoobank.org:act:EB95F031-2A2D-449D-8F2A-114EC628C9D2" httpUri="http://treatment.plazi.org/id/30598BA5EF7856869C12AF76FA98A389" lastPageNumber="1" pageId="0" pageNumber="1" scope_family="Opheliidae" scope_phylum="Annelida">
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<subSubSection id="BD9E87C99A99FE865CEF40A425A15E04" pageId="0" pageNumber="1" type="nomenclature">
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<paragraph id="F15834424A7DB6E1C155E98616E6E722" pageId="0" pageNumber="1">
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<taxonomicName id="232194EC42B76044CFB994FDADDB3AF9" LSID="30598BA5-EF78-5686-9C12-AF76FA98A389" family="Capitellidae" genus="Oligobregma" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Oligobregma tani" order="Capitellida" pageId="0" pageNumber="1" rank="species" species="tani">Oligobregma tani</taxonomicName>
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<taxonomicNameLabel id="AF1113FD29F6B1079DE55769F4E91AD5" pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
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<figureCitation id="DB6DFF052411C3C5D8D0C3EC4E52219F" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">
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Fig. 26
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<normalizedToken id="B6082462E2C763C33650B7C33F4D60B8" originalValue="A–J">A-J</normalizedToken>
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</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="9CC0D6515387D32391BCB20A44E9B900" pageId="0" pageNumber="1" type="materials_examined">
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<paragraph id="44487B1F988D4EA170C6B7D5EC931C6E" pageId="0" pageNumber="1">Material examined.</paragraph>
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<paragraph id="9E144837B731ACEB3C48FFCFB2DE7E2A" pageId="0" pageNumber="1">
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NHM_773A (
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<emphasis id="E3F44337625AC29AA6B2230244C672C1" bold="true" pageId="0" pageNumber="1">paratype</emphasis>
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) NHMUK ANEA 2019.7156, coll. 20 Feb. 2015,
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<geoCoordinate id="F77F6478DFAEEBC17146CFC639FDA9AC" degrees="12" direction="north" minutes="32.23" orientation="latitude" precision="9" value="12.537167">12°32.23N</geoCoordinate>
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,
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<geoCoordinate id="47E101F569747F938BD3C7BA5A576EC2" degrees="116" direction="west" minutes="36.25" orientation="longitude" precision="9" value="-116.604164">116°36.25W</geoCoordinate>
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, 4425 m http://data.nhm.ac.uk/object/4b673a6a-9090-4c24-a4eb-231190507b60; NHM_1454
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<emphasis id="EC5592CA035981E1E3DFD59FAFA2FC8E" bold="true" pageId="0" pageNumber="1">(holotype)</emphasis>
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NHMUK ANEA 2019.7157, coll. 03 Mar. 2015,
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<geoCoordinate id="54F58A990A72286BE8BD1672E44641A3" degrees="12" direction="north" minutes="27.26" orientation="latitude" precision="9" value="12.454333">12°27.26N</geoCoordinate>
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,
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<geoCoordinate id="2D547222BB0936C312D1540E188F16E2" degrees="116" direction="west" minutes="36.77" orientation="longitude" precision="9" value="-116.61283">116°36.77W</geoCoordinate>
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, 4137 m http://data.nhm.ac.uk/object/67d3f58a-9c13-423e-93b7-3ddcf98a361e; NHM_1480J NHMUK ANEA 2019.7158, coll. 03 Mar. 2015,
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<geoCoordinate id="5D0DA35CF63D195B8DF930FA33CA6107" degrees="12" direction="north" minutes="27.26" orientation="latitude" precision="9" value="12.454333">12°27.26N</geoCoordinate>
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,
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<geoCoordinate id="2947DDEC6A7513B269B6E1B22F663C80" degrees="116" direction="west" minutes="36.77" orientation="longitude" precision="9" value="-116.61283">116°36.77W</geoCoordinate>
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, 4137 m http://data.nhm.ac.uk/object/d47f17aa-c0c1-44f0-a448-d3f3c395fc47; NHM_1665 (
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<emphasis id="73FFA2929AED3D7C1D2421D43A54F117" bold="true" pageId="0" pageNumber="1">paratype</emphasis>
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) NHMUK ANEA 2019.7159, coll. 10 Mar. 2015,
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<geoCoordinate id="FDEED99C9CD1BD6DE983E31F8CCEB3B9" degrees="12" direction="north" minutes="21.81" orientation="latitude" precision="9" value="12.3635">12°21.81N</geoCoordinate>
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,
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<geoCoordinate id="15F1CDE063A4FC2C0A43A0687F14140D" degrees="116" direction="west" minutes="40.86" orientation="longitude" precision="9" value="-116.681">116°40.86W</geoCoordinate>
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, 4233 m http://data.nhm.ac.uk/object/eca166ae-3fe0-4367-860f-08c7410165dd.
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</paragraph>
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||
</subSubSection>
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<subSubSection id="CF4943910B25B08D99C8A8767575789B" pageId="0" pageNumber="1" type="type locality">
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<paragraph id="4A612B3041A4980E3A4B1CFE1EF425B4" pageId="0" pageNumber="1">Type locality.</paragraph>
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<paragraph id="88A932B811D015CC50264391F683ABDA" pageId="0" pageNumber="1">
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Pacific Ocean, CCZ,
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<geoCoordinate id="2DE4529955F309AFA737FD56546CF07B" degrees="12" direction="north" minutes="27.26" orientation="latitude" precision="9" value="12.454333">12°27.26N</geoCoordinate>
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,
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<geoCoordinate id="80066D586F14C051240B4AB9F65F5B5F" degrees="116" direction="west" minutes="36.77" orientation="longitude" precision="9" value="-116.61283">116°36.77W</geoCoordinate>
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, depth 4137 m, in mud between polymetallic nodules.
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</paragraph>
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</subSubSection>
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<subSubSection id="85733206132950683DA0CF2A75AAD9C8" pageId="0" pageNumber="1" type="description">
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<paragraph id="A12A4C8C922DA2913F7847BC3AE84FA9" pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph id="89B0214A9CC6ECB074B3F1438864CCCC" pageId="0" pageNumber="1">
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Small species, represented by four posteriorly incomplete specimens, 4-4.5 mm long and 0.4-0.7 mm wide. Holotype posteriorly incomplete, but otherwise in good condition, 4.5 mm long and 0.7 mm wide at the widest point for 18 chaetigers long fragment. Colour in alcohol creamy white, without body pigment (
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<figureCitation id="EF236629A98CCBE4355AAEB35811461E" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26A</figureCitation>
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); live specimens semi-translucent (
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<figureCitation id="4A614C407473C708B7EAAB74DBF5F9A0" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26B</figureCitation>
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). Anterior body segments appears smooth, annulation of raised pads detected best upon staining (
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<figureCitation id="EF6D50960BD0E933BCFDBA6BB22C3374" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">
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Fig. 26
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<normalizedToken id="A4E60CAE49AF5D6FE2EFFEB41673A3D6" originalValue="C–E">C-E</normalizedToken>
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</figureCitation>
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) revealing chaetigers 1-4 with two transverse rows of relatively large lobes; subsequent chaetigers may be tri-annulate, but epithelium with mostly with wrinkled appearance till end of fragment (chaetiger 18) (
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<figureCitation id="8EF3736F5B7ECD7705B2CCDA5CDF4325" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">
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Fig. 26
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<normalizedToken id="A14F8AF61820CEC3620B912229634B19" originalValue="B–E">B-E</normalizedToken>
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</figureCitation>
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).Ventral midline on venter not too prominent, from chaetiger 2, composed of a row of large pads within a groove (
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<figureCitation id="4B2E9A6F22A53E728AA8FF6E5D157632" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26E</figureCitation>
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). Branchiae absent.
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</paragraph>
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<caption id="753F8C18BFC751BBEC7D58883E067E1C" doi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" start="Figure 26" startId="F26">
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<paragraph id="4529306CA41D8225D79C865B776D9624" pageId="0" pageNumber="1">
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<emphasis id="BEB41E563C91AE2698B9CA86E7F71226" bold="true" pageId="0" pageNumber="1">Figure 26.</emphasis>
|
||
<taxonomicName id="B44E34DFDADD845C618012D371E3A8F3" class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma tani" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="tani">
|
||
<emphasis id="FFDE4ED98BAB1037CE74293D353B79B4" italics="true" pageId="0" pageNumber="1">Oligobregma tani</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. holotype (specimen NHM_1454).
|
||
<emphasis id="2237F6D0D7B351709C3847572FC9D05A" bold="true" pageId="0" pageNumber="1">A</emphasis>
|
||
Lab image, whole specimen (pre-stain,)
|
||
<emphasis id="C931A161C7D6EBB8AE8B7C15662F3E63" bold="true" pageId="0" pageNumber="1">B</emphasis>
|
||
Live image, whole specimen
|
||
<emphasis id="936D5C56926445FC4BFC23C6F8E5F758" bold="true" pageId="0" pageNumber="1">C</emphasis>
|
||
Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring)
|
||
<emphasis id="F437BACF96CDB44FF78A1AB051BE4C77" bold="true" pageId="0" pageNumber="1">D</emphasis>
|
||
Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring)
|
||
<emphasis id="8A1A1E6AC6A6D1EC2AC85D2063D5777E" bold="true" pageId="0" pageNumber="1">E</emphasis>
|
||
Lab image, ventral anterior, (stained, vm = ventral midline)
|
||
<emphasis id="C7661BED2856660B4BB0BB01D1A7403C" bold="true" pageId="0" pageNumber="1">F</emphasis>
|
||
Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla)
|
||
<emphasis id="CDE1DFBB9A5EAE20F4DBA64285BAD1BD" bold="true" pageId="0" pageNumber="1">G</emphasis>
|
||
Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus)
|
||
<emphasis id="52DBDEB4369282E82FF76EAF78EAF772" bold="true" pageId="0" pageNumber="1">H</emphasis>
|
||
Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel])
|
||
<emphasis id="003B6E2485D465C795BE301F0670D721" bold="true" pageId="0" pageNumber="1">I</emphasis>
|
||
Lab image, detail of capillary and lyrate chaetae on chaetiger 12
|
||
<emphasis id="0E48B3D76E37E453C1B6B21E3B44606C" bold="true" pageId="0" pageNumber="1">J</emphasis>
|
||
Lab image, detail lyrate chaetae. Morphological features in plates
|
||
<emphasis id="C13FBD8D66A0E8172B887A6C03751743" bold="true" pageId="0" pageNumber="1">F, G</emphasis>
|
||
have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (
|
||
<emphasis id="0CF7754F043F78E342BB5DF5F581929D" bold="true" pageId="0" pageNumber="1">A, C, E</emphasis>
|
||
); 50
|
||
<normalizedToken id="4C194997DF0CCBFD85DFF8DD6256F702" originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis id="E025966A677030419D11EE32C0E80536" bold="true" pageId="0" pageNumber="1">
|
||
<normalizedToken id="97EE41A920968DA4C9EDAEB93F9249E1" originalValue="G–I">G-I</normalizedToken>
|
||
</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8005BD1266F71CD222DF3AFCF2656A34" pageId="0" pageNumber="1">
|
||
Prostomium broad (wider than long), nearly oval; with two very prominent, distinctly rounded lobes (horns) emerging from anterior prostomial margin (
|
||
<figureCitation id="5F8C1E4C3611342A15BC18E791AE52C2" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26C, D</figureCitation>
|
||
). Eyes absent. Peristomium forming a large smooth ring around prostomium dorso-laterally, with narrow interruption middorsally (
|
||
<figureCitation id="3E8A649F45E334A3013333187AE81D5A" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26C, D</figureCitation>
|
||
). Mouth obscured by everted proboscis in holotype, which is observed as soft inflated sac (
|
||
<figureCitation id="1AC1D6DCA38650406163EF55AF7B728D" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26E</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="35A8746E77D57E1DB5978C90B285145F" pageId="0" pageNumber="1">
|
||
Parapodia biramous; inconspicuous in chaetigers 1-14, becoming conical and prominent from around chaetiger 15. Tiny dorsal cirri detectable from chaetiger 13 in holotype, whereas ventral cirri occur from chaetiger 15; both cirri best developed from chaetigers 16 and 17, remaining small and conical (less than 1/2 the size of corresponding podial lobes) (
|
||
<figureCitation id="102AC773C50C32E41DC5D73A1049FDC1" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26F</figureCitation>
|
||
); without pigmentation; internal glands not detected in few cirri present (
|
||
<figureCitation id="6292160A82CB02DBBE84CAE087A195E6" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26G</figureCitation>
|
||
). Interramal papilla present, well developed from chaetiger 15 (
|
||
<figureCitation id="8645A3E64C620681F37C9D746118493E" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="001EECDFEEE6132F3C197A9DABF3D471" pageId="0" pageNumber="1">
|
||
Curved acicular spines present in notopodia only on chaetigers 1‒4 (
|
||
<figureCitation id="E7EEE96DD1FD49B419AB412986F52125" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26H</figureCitation>
|
||
); spines in chaetiger 4 transitional between distinct spines and capillaries. Notopodia with about 14 spines arranged in two rows in chaetigers 1and 2 and with about five spines arranged in one row in chaetigers 3 and 4; spines accompanied posteriorly by single row of capillaries. Spines in chaetigers 1-3 curved, straw-coloured, with hirsute shaft, narrowing to slender, elongated and hirsute tip (
|
||
<figureCitation id="A8A83DD9DF02BC04441C239D322FA6DA" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26H</figureCitation>
|
||
); spines in chaetiger 4 transitional, more slender and straighter than in chaetigers 1-3, but with hirsute shafts and shorter unlike accompanying capillaries. Short spinous chaetae anterior to spines not observed. Subsequent chaetigers with long thin capillaries in both rami, but very few present (
|
||
<figureCitation id="C345A204630080AC8D3D9B96DA037252" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26I</figureCitation>
|
||
). Lyrate chaetae likely from chaetiger 5 in both rami, where very short and difficult to observe; best observed from chaetiger 8; accompanied by very few capillaries. Lyrate chaetae initially short but becoming longer and very prominent from around chaetiger 8; with unequal tynes bearing short bristles (
|
||
<figureCitation id="4FC51F5EE5FE694BB5B5892570194C06" captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26I, J</figureCitation>
|
||
), numbering up to 5 or 6 in each ramus. The rest of the body and pygidium unknown.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="ECF83644B5A7E3D570249DC2A443EC8F" pageId="0" pageNumber="1" type="genetic data">
|
||
<paragraph id="426B03BA7C8B961A746A83CF4905BD21" pageId="0" pageNumber="1">Genetic data.</paragraph>
|
||
<paragraph id="B4135889698D498598CE11CF6E5C35D7" pageId="0" pageNumber="1">
|
||
GenBank MN217428-MN217431 for 16S, MN217499 for 18S and MN217518-MN217519 for COI. This species is genetically very similar to one sequence published in
|
||
<bibRefCitation id="500229F24DD901F6917DF6714B892029" DOI="https://doi.org/10.1371/journal.pone.0117790" author="Janssen, A" journalOrPublisher="Proceedings of the Linnean Society of New South Wales" pageId="0" pageNumber="1" refId="B49" refString="Janssen, A, Kaiser, S, Meissner, K, Brenke, N, Menot, L, Martinez Arbizu, P, 2015. .https://doi.org/10.1371/journal.pone.0117790" url="https://doi.org/10.1371/journal.pone.0117790" year="2015">Janssen et al. (2015)</bibRefCitation>
|
||
, with a K2P value of 0.008 between
|
||
<taxonomicName id="A3625A0A3E5AD7E3B370D8C4ACBC940B" lsidName="O. tani" pageId="0" pageNumber="1" rank="species" species="tani">
|
||
<emphasis id="A168982B39DB65137E272C5F6FA48D66" italics="true" pageId="0" pageNumber="1">O. tani</emphasis>
|
||
</taxonomicName>
|
||
and the already published sequence with accession number KJ736365. The three
|
||
<taxonomicName id="B7A6728F0370BAD70DA5D8B89CFE0139" class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
||
<emphasis id="0CB6D15F6AA768BC4725692155040651" italics="true" pageId="0" pageNumber="1">Oligobregma</emphasis>
|
||
</taxonomicName>
|
||
species in this study form a well-supported clade, with
|
||
<taxonomicName id="0F90DFA6600CDEF1690A03055C85627D" class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma tani" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="tani">
|
||
<emphasis id="EFA1F5395A59A29627805BF59B06786A" italics="true" pageId="0" pageNumber="1">Oligobregma tani</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. as sister to
|
||
<taxonomicName id="724645250C34667E1C9885BFE8F6CC01" class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma brasierae" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="brasierae">
|
||
<emphasis id="B37663C3BC8E3C019E8E535699DFD9D0" italics="true" pageId="0" pageNumber="1">Oligobregma brasierae</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. in our phylogenetic analyses (
|
||
<figureCitation id="DA0B0C01E51AD46055A089353644AAD1" captionStart="Figure 32" captionStartId="F32" captionText="Figure 32. Phylogenetic analysis of Scalibregmatidae and Travisiidae. 50 % majority rule tree from the Bayesian analyses using 18 S and 16 S, with posterior probability values on nodes. Twenty taxa from GenBank were included, and Opheliidae was chosen as outgroup following the annelid phylogeny of Weigert and Bleidorn (2016)." figureDoi="10.3897/zookeys.883.36193.figure32" httpUri="https://binary.pensoft.net/fig/350284" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure32">Fig. 32</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="CB1791EB93CFC72EF64EB959FBD0194C" pageId="0" pageNumber="1" type="remarks">
|
||
<paragraph id="F4B7A5B473590A0F7D7103D508ACE24A" pageId="0" pageNumber="1">Remarks.</paragraph>
|
||
<paragraph id="5DDF92B09B51E4192A435942AB27C051" pageId="0" pageNumber="1">
|
||
The UKSR-collected species is most similar to
|
||
<taxonomicName id="5177D66BDB68FD1D64587AD7FE2DFB9B" class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma quadrispinosa" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="quadrispinosa">
|
||
<emphasis id="05F1DD8C28882A49E1D6D385C0783E33" italics="true" pageId="0" pageNumber="1">Oligobregma quadrispinosa</emphasis>
|
||
</taxonomicName>
|
||
described from abyssal Southern Ocean (
|
||
<bibRefCitation id="9B6F171C75B2CF8E7A4AF83FCBE9F19A" DOI="https://doi.org/10.11646/zootaxa.1391.1.2" author="Schueller, M" journalOrPublisher="Zootaxa" pageId="0" pageNumber="1" pagination="35 - 45" refId="B88" refString="Schueller, M, Hilbig, B, 2007. Three new species of the genus Oligobregma (Polychaeta, Scalibregmatidae) from the Scotia and Weddell Seas (Antarctica). Zootaxa 1391: 35 - 45" title="Three new species of the genus Oligobregma (Polychaeta, Scalibregmatidae) from the Scotia and Weddell Seas (Antarctica)." url="https://doi.org/10.11646/zootaxa.1391.1.2" volume="1391" year="2007">
|
||
<normalizedToken id="68E46C322545657C924935001E86FA8A" originalValue="Schüller">Schueller</normalizedToken>
|
||
and Hilbig 2007
|
||
</bibRefCitation>
|
||
) in having the first four notopodia with acicular spines, lyrate chaetae from chaetiger 5 and podial cirri arising from around chaetiger 13-15. However,
|
||
<taxonomicName id="3ED95EE3FC75054EF1911EABC846E59B" lsidName="O. quadrispinosa" pageId="0" pageNumber="1" rank="species" species="quadrispinosa">
|
||
<emphasis id="1E597F03C9C4550669738DD88EC44E67" italics="true" pageId="0" pageNumber="1">O. quadrispinosa</emphasis>
|
||
</taxonomicName>
|
||
differs in the following characters; spines in chaetiger 4 are prominent, stout and not hirstue, while the median and posterior chaetigers bear much larger ventral cirri. The UKSR species also has very prominent round "Mickey Mouse"-like anterior prostomial lobes (observed in all four specimens examined). For comparison with other
|
||
<taxonomicName id="5E3E9F52EDB0A026C8D8102B00E086B2" class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
||
<emphasis id="597C187BBF37199B14DDE739D4E507DC" italics="true" pageId="0" pageNumber="1">Oligobregma</emphasis>
|
||
</taxonomicName>
|
||
species see Table
|
||
<tableCitation id="98DB1558CAF295FB82D97CFD7187E236" captionStartId="T3" httpUri="http://table.plazi.org/id/DDDBBB22665B828F2F007C593247A004" pageId="0" pageNumber="1" tableUuid="DDDBBB22665B828F2F007C593247A004">3</tableCitation>
|
||
.
|
||
</paragraph>
|
||
<caption id="DDDBBB22665B828F2F007C593247A004" ID-Table-UUID="DDDBBB22665B828F2F007C593247A004" httpUri="http://table.plazi.org/id/DDDBBB22665B828F2F007C593247A004" pageId="0" pageNumber="1" start="Table 3" startId="T3">
|
||
<paragraph id="D3B47D8AC20251D23739F0B8D8704A47" pageId="0" pageNumber="1">
|
||
<emphasis id="3A948EC5528B1BAEE2EFEEE49C316D6F" bold="true" pageId="0" pageNumber="1">Table 3.</emphasis>
|
||
Comparison of
|
||
<taxonomicName id="8E32ED56DFAD1039D47C45935ECD1689" class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
||
<emphasis id="E840FECD604EC7EDD0EF4081C3D37C52" italics="true" pageId="0" pageNumber="1">Oligobregma</emphasis>
|
||
</taxonomicName>
|
||
species with spines in chaetigers 1-4, including the new UKSR-collected species. Information collected from the literature.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="6877B95FC5077E03A334CD58CAC257C9" pageId="0" pageNumber="1">
|
||
<table id="AAFD618A410AA6E8EE137FD91DFA6B38" pageId="0" pageNumber="1">
|
||
<tr id="34045934C14FD9E03924250C28AD4A39" pageId="0" pageNumber="1">
|
||
<th id="46CCEEE186310AF5175815C168DB79B2" colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</th>
|
||
<th id="423F45A2B58398756A8F3BEC3C4CADA1" colspan="1" pageId="0" pageNumber="1" rowspan="1">Distribution of spines in chaetigers 1-4</th>
|
||
<th id="615DC5F4813176BB66A2F0AB8E3C3EA8" colspan="1" pageId="0" pageNumber="1" rowspan="1">Annulation of chaetigers</th>
|
||
<th id="F0AAE46C78144C5C8B1D48BD8FFD5EDC" colspan="1" pageId="0" pageNumber="1" rowspan="1">Appearance of podial cirri</th>
|
||
<th id="71E478114277BFA63D4C15775C5898C0" colspan="1" pageId="0" pageNumber="1" rowspan="1">No. of chaetigers</th>
|
||
<th id="EAA273E5FB59F07EA2CA8ACB371CF6BD" colspan="1" pageId="0" pageNumber="1" rowspan="1">Presence of furcate chaetae</th>
|
||
</tr>
|
||
<tr id="25DF2BD0969D35CCBB43B4A080A30930" pageId="0" pageNumber="1">
|
||
<td id="E7CC5379ED7545B823471034F22ED599" colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName id="403EAA23D189F45F39F28E1176799061" lsidName="O. simplex" pageId="0" pageNumber="1" rank="species" species="simplex">
|
||
<emphasis id="F25373CA1BA8C84F7D66D06A9D67D58D" italics="true" pageId="0" pageNumber="1">O. simplex</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td id="DEB735FFE8CD8C115ECB0E445A0C62A8" colspan="1" pageId="0" pageNumber="1" rowspan="1">In both rami</td>
|
||
<td id="8FB4186C198DCEFA31A642400AEA3E3E" colspan="1" pageId="0" pageNumber="1" rowspan="1">1-2 uni-; 3-4 bi-; 5-12 or 15 quadriannulate</td>
|
||
<td id="5AD50BFA41C85690C86B34F9578808DF" colspan="1" pageId="0" pageNumber="1" rowspan="1">Chaetigers 20-22</td>
|
||
<td id="C517A8327E132536C5D7D0C31172126D" colspan="1" pageId="0" pageNumber="1" rowspan="1">43 (complete)</td>
|
||
<td id="AA844FBE6B0509C9B8D9A08C5E8F9C87" colspan="1" pageId="0" pageNumber="1" rowspan="1">From chaetiger 6</td>
|
||
</tr>
|
||
<tr id="7432A7530D6FF5CB1EA0A72CEB24A210" pageId="0" pageNumber="1">
|
||
<td id="272452A4CA380F70F148D23445FB2331" colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName id="A1CEC033F75B05E0E19061C94300027B" lsidName="O. lonchochaeta" pageId="0" pageNumber="1" rank="species" species="lonchochaeta">
|
||
<emphasis id="1261E0D5A62C59D0641CC7D68AA0E349" italics="true" pageId="0" pageNumber="1">O. lonchochaeta</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td id="DE7BE1BEDCCF7E61B3A4816C5C59162E" colspan="1" pageId="0" pageNumber="1" rowspan="1">In both rami</td>
|
||
<td id="1211CEA515A5891F58FD6DA1DDAA909F" colspan="1" pageId="0" pageNumber="1" rowspan="1">1-4 triannulate</td>
|
||
<td id="C10D8860F376E85711D5F44E9E1B48EC" colspan="1" pageId="0" pageNumber="1" rowspan="1">In posterior chaetigers, detail not given</td>
|
||
<td id="860A75B3BD87E0EA596DC4F6FF9F743F" colspan="1" pageId="0" pageNumber="1" rowspan="1">22+ (incomplete)</td>
|
||
<td id="C4B8FE378EF8BD9B5CA4515610A767E0" colspan="1" pageId="0" pageNumber="1" rowspan="1">In mid and posterior chaetigers</td>
|
||
</tr>
|
||
<tr id="9FFD0D7F945A308071A411FD7A93FACA" pageId="0" pageNumber="1">
|
||
<td id="ACF1BC8D217ACF9E9106361B8EBFB96A" colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName id="EE7DFED7ACF2C0696F22F0E75335E1BE" lsidName="O. quadrispinosa" pageId="0" pageNumber="1" rank="species" species="quadrispinosa">
|
||
<emphasis id="78B67FEB0D8AE9ACFD177ED767F7A7A8" italics="true" pageId="0" pageNumber="1">O. quadrispinosa</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td id="4E7CBB003FF8D5520DE545981FF54487" colspan="1" pageId="0" pageNumber="1" rowspan="1">In notopodia only</td>
|
||
<td id="7BCCA03EEEF03F7E8A19E7D8A57EB274" colspan="1" pageId="0" pageNumber="1" rowspan="1">Anterior quadriannulate; posterior with 5 annuli</td>
|
||
<td id="99520EBBF82EDA70CA7A0D01E79F51F8" colspan="1" pageId="0" pageNumber="1" rowspan="1">Chaetigers 13-14</td>
|
||
<td id="4BD01173E56814FC6337BDD2A4BC3516" colspan="1" pageId="0" pageNumber="1" rowspan="1">28 (complete)</td>
|
||
<td id="43B252648188271AC8A224CC206D3B81" colspan="1" pageId="0" pageNumber="1" rowspan="1">From chaetiger 5</td>
|
||
</tr>
|
||
<tr id="F8CF9ADA6EA6C5E6DFA80E2BB81047AC" pageId="0" pageNumber="1">
|
||
<td id="7C36C6A4F41338488DBD92FA55AD9DE0" colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName id="5281E212BC7053AC8A660F230178C726" lsidName="O. brasierae" pageId="0" pageNumber="1" rank="species" species="brasierae">
|
||
<emphasis id="2DBF453A5062F412E8BF7878B0BC0045" italics="true" pageId="0" pageNumber="1">O. brasierae</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
</td>
|
||
<td id="8005139CA8265A2F9D67812F0FD2E940" colspan="1" pageId="0" pageNumber="1" rowspan="1">In both rami, spines hirsute</td>
|
||
<td id="4337E20D2ABDED775B794006186BCB65" colspan="1" pageId="0" pageNumber="1" rowspan="1">Anterior smooth, posterior quadriannulate</td>
|
||
<td id="2B9555FF6234171806B194B465E91276" colspan="1" pageId="0" pageNumber="1" rowspan="1">Chaetigers 13-15</td>
|
||
<td id="A225CA08FE4B4A45A1E90D6329965B88" colspan="1" pageId="0" pageNumber="1" rowspan="1">26 (complete)</td>
|
||
<td id="A3B9428D5F004012AEAC57F9F05E1128" colspan="1" pageId="0" pageNumber="1" rowspan="1">From chaetiger 5</td>
|
||
</tr>
|
||
<tr id="A988FAE51DAE61FC3742163C1AD2D5FD" pageId="0" pageNumber="1">
|
||
<td id="EE47363DFD6B98E2578D2548769FD397" colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName id="DFDA9DD3D7B9D3B1501E1099537A29EF" lsidName="O. tani" pageId="0" pageNumber="1" rank="species" species="tani">
|
||
<emphasis id="FD30740214321B0040DB724A0A885F23" italics="true" pageId="0" pageNumber="1">O. tani</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
</td>
|
||
<td id="909E2577671A32F59465F188AFF72BCC" colspan="1" pageId="0" pageNumber="1" rowspan="1">In notopodia only, spines hirsute, transitional in ch. 4</td>
|
||
<td id="815D974CEDB0C751920E74F1BCB76482" colspan="1" pageId="0" pageNumber="1" rowspan="1">Not observed</td>
|
||
<td id="89A8662C69873F8496A74D620E19EFF1" colspan="1" pageId="0" pageNumber="1" rowspan="1">Chaetigers 13-15</td>
|
||
<td id="B5A2FEF30C16514566997FC19F21E506" colspan="1" pageId="0" pageNumber="1" rowspan="1">18 (incomplete)</td>
|
||
<td id="E3266E1C9D37022DC9A70BE438CEF54C" colspan="1" pageId="0" pageNumber="1" rowspan="1">From chaetiger 5</td>
|
||
</tr>
|
||
<tr id="C835302E91F89191D535006946D16005" pageId="0" pageNumber="1">
|
||
<td id="0190B305C10E60D1ADE06A664BEC3DDF" colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName id="3FC7F8D7670A9845C4F3F3974DF9C6AE" lsidName="O. whaleyi" pageId="0" pageNumber="1" rank="species" species="whaleyi">
|
||
<emphasis id="9EB2F46AB4336F640065938B50D67DA4" italics="true" pageId="0" pageNumber="1">O. whaleyi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
</td>
|
||
<td id="5C22C64A18BC6E02F327A6D05D617EB3" colspan="1" pageId="0" pageNumber="1" rowspan="1">In both rami</td>
|
||
<td id="4D9BA8C3A53B9E402C3737748BE0072C" colspan="1" pageId="0" pageNumber="1" rowspan="1">Anterior smooth, midbody quadriannulate</td>
|
||
<td id="2DDE8855F7CB71B97519C52A5BDADF84" colspan="1" pageId="0" pageNumber="1" rowspan="1">Chaetiger 14</td>
|
||
<td id="72AFF7B6AD5B79E56B5373CE64C58457" colspan="1" pageId="0" pageNumber="1" rowspan="1">26 (incomplete)</td>
|
||
<td id="7ABC5AB8D11FBF8837F50F9AD1F262DD" colspan="1" pageId="0" pageNumber="1" rowspan="1">First observed from chaetiger 11</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="549B5F328371A156EE64A70630E36024" pageId="0" pageNumber="1" type="ecology">
|
||
<paragraph id="16E34814B3D9B957CC51214150B63F7D" pageId="0" pageNumber="1">Ecology.</paragraph>
|
||
<paragraph id="2E4D0BF2C366E113C68A648FFF662F5A" pageId="0" pageNumber="1">Found in polymetallic nodule province of the eastern CCZ.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="DE486E7CADB59CDCD985EA2F8ED1B80C" pageId="0" pageNumber="1" type="etymology">
|
||
<paragraph id="AF6FEAAF08302EC8C7DAEFB090CE840B" pageId="0" pageNumber="1">Etymology.</paragraph>
|
||
<paragraph id="AEBA79BAC06C52284C0BCFD826BEFDC5" pageId="0" pageNumber="1">
|
||
Named in honor of Koh Siang Tan, member of the science party of the ABYSSLINE AB02 cruise onboard the RV
|
||
<emphasis id="2F6E00DC03BE289A46536F7E96548B1F" italics="true" pageId="0" pageNumber="1">Thomas G. Thompson</emphasis>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |