576 lines
63 KiB
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576 lines
63 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.988.49934" ID-GBIF-Dataset="910b55f4-e6ac-4dce-bf62-248496dd82c6" ID-PMC="PMC7666089" ID-Pensoft-Pub="1313-2970-988-1" ID-Pensoft-UUID="0C620F8502055889B8D50DB12BCB745D" ID-PubMed="33223889" ID-ZooBank="EF36701AF13A44E6A29C45BE084DCA3A" ModsDocID="1313-2970-988-1" checkinTime="1604753983450" checkinUser="pensoft" docAuthor="Wang, Weina, Sui, Jixing, Li, Xinzheng, Hutchings, Pat & Nogueira, Joao Miguel de Matos" docDate="2020" docId="51D640FC648959EFBD706B7A5F1F6EF9" docLanguage="en" docName="ZooKeys 988: 1-15" docOrigin="ZooKeys 988" docSource="http://dx.doi.org/10.3897/zookeys.988.49934" docTitle="Amphicteis hwanghaiensis Wang & Sui & Li & Hutchings & Nogueira 2020, sp. nov." docType="treatment" docUuid="9AF8951F-61CE-406C-982F-9095865B8D04" docUuidSource="ZooBank" docVersion="4" id="0C620F8502055889B8D50DB12BCB745D" lastPageNumber="1" masterDocId="0C620F8502055889B8D50DB12BCB745D" masterDocTitle="A new species of the genus Amphicteis Grube, 1850 (Annelida, Ampharetidae) from the Yellow Sea, China, together with a redescription of A. dalmatica Hutchings & Rainer, 1979" masterLastPageNumber="15" masterPageNumber="1" pageNumber="1" updateTime="1668169787374" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A new species of the genus Amphicteis Grube, 1850 (Annelida, Ampharetidae) from the Yellow Sea, China, together with a redescription of A. dalmatica Hutchings & Rainer, 1979</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wang, Weina</mods:namePart>
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<mods:affiliation>Department of Marine Organism Taxonomy and Phylogeny, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China & University of Chinese Academy of Sciences, Beijing 100049, China & Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China & Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China</mods:affiliation>
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<mods:nameIdentifier type="orcid">https://orcid.org/0000-0003-0551-1005</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Sui, Jixing</mods:namePart>
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<mods:affiliation>Department of Marine Organism Taxonomy and Phylogeny, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China & Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China & Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Li, Xinzheng</mods:namePart>
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<mods:affiliation>Department of Marine Organism Taxonomy and Phylogeny, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China & University of Chinese Academy of Sciences, Beijing 100049, China & Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China & Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China</mods:affiliation>
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<mods:nameIdentifier type="email">lixzh@qdio.ac.cn</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Hutchings, Pat</mods:namePart>
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<mods:affiliation>Australian Museum Research Institute, Australian Museum, 1 William Street, Sydney, NSW 2010, Australia & Department of Biological Sciences, Macquarie University, North Ryde 2109, Australia.</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Nogueira, Joao Miguel de Matos</mods:namePart>
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<mods:affiliation>Laboratorio de Poliquetologia, Departamento de Zoologia, Instituto de Biociencias, Universidade de Sao Paulo, Rua do Matao, travessa 14, n. 101, Sao Paulo, 05508 - 090, Brazil</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:title>ZooKeys</mods:title>
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<mods:part>
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<mods:date>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>988</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>15</mods:end>
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<mods:url>http://dx.doi.org/10.3897/zookeys.988.49934</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.988.49934</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-988-1</mods:identifier>
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<mods:identifier type="ZooBank">EF36701AF13A44E6A29C45BE084DCA3A</mods:identifier>
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<mods:identifier type="Pensoft-UUID">0C620F8502055889B8D50DB12BCB745D</mods:identifier>
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<treatment ID-GBIF-Taxon="168821853" LSID="urn:lsid:zoobank.org:act:9AF8951F-61CE-406C-982F-9095865B8D04" httpUri="http://treatment.plazi.org/id/51D640FC648959EFBD706B7A5F1F6EF9" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection pageId="0" pageNumber="1" type="nomenclature">
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName LSID="51D640FC-6489-59EF-BD70-6B7A5F1F6EF9" authority="Wang & Sui & Li & Hutchings & Nogueira, 2020" authorityName="Wang & Sui & Li & Hutchings & Nogueira" authorityYear="2020" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis hwanghaiensis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="hwanghaiensis" status="sp. nov.">Amphicteis hwanghaiensis</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Amphicteis hwanghaiensis sp. nov. (holotype) A anterior end, dorsal view B anterior end, lateral view C anterior end, ventral view D branchiae E anterior end F thoracic parapodia, arrows point to notopodial cirri G abdominal parapodia, arrows point to notopodial (large) and neuropodial (small) cirri H posterior end, ventral view. Numbers refer to segments; ll = lower lip, bII-V = branchiae, segments II-V, respectively." figureDoi="10.3897/zookeys.988.49934.figure1" httpUri="https://binary.pensoft.net/fig/472504" pageId="0" pageNumber="1">Figs 1</figureCitation>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">, 2</figureCitation>
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Amphicteis hwanghaiensis sp. nov. (holotype) A limbate capillary notochaeta B notochaetae C paleae D thoracic uncini, arrows point to subrostal process E abdominal uncini, arrows point to subrostal process." figureDoi="10.3897/zookeys.988.49934.figure3" httpUri="https://binary.pensoft.net/fig/472506" pageId="0" pageNumber="1">, 3</figureCitation>
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Amphicteis hwanghaiensis sp. nov. (paratype) A anterior end, dorsal view B anterior end C thoracic parapodia. Numbers refer to segments; bII-V = branchiae, segments II-V, respectively; P = prostomium; * = middle lobe of prostomium; Pe = peristomium." figureDoi="10.3897/zookeys.988.49934.figure4" httpUri="https://binary.pensoft.net/fig/472507" pageId="0" pageNumber="1">, 4</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="materials_examined">
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<paragraph pageId="0" pageNumber="1">Material examined.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">
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<emphasis italics="true" pageId="0" pageNumber="1">Type material</emphasis>
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.
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</emphasis>
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Yellow Sea, China (
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<geoCoordinate degrees="33" direction="north" minutes="58.45" orientation="latitude" precision="9" value="33.974167">33°58.45'N</geoCoordinate>
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,
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<geoCoordinate degrees="123" direction="east" minutes="57.02" orientation="longitude" precision="9" value="123.95033">123°57.02'E</geoCoordinate>
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; 77 m deep), subtidal in mud, collected 28 November 2019.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Holotype</emphasis>
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: MBM286623;
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Paratype</emphasis>
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: MBM286624, 1 specimen.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Holotype</emphasis>
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Complete, length 27.8 mm, thoracic width 5.5 mm. Dorsum of thoracic segments and branchiae with red pigmentation (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Amphicteis hwanghaiensis sp. nov. (holotype) A anterior end, dorsal view B anterior end, lateral view C anterior end, ventral view D branchiae E anterior end F thoracic parapodia, arrows point to notopodial cirri G abdominal parapodia, arrows point to notopodial (large) and neuropodial (small) cirri H posterior end, ventral view. Numbers refer to segments; ll = lower lip, bII-V = branchiae, segments II-V, respectively." figureDoi="10.3897/zookeys.988.49934.figure1" httpUri="https://binary.pensoft.net/fig/472504" pageId="0" pageNumber="1">1A, D</figureCitation>
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). Thorax and abdomen well defined; thorax approximately twice as wide and long as abdomen; barely tapering towards posterior part. Prostomium with middle lobe as paired longitudinal glandular ridges, slightly diverging distally, V-shaped, gap between glandular ridges absent (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">2A</figureCitation>
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); eyespots absent. Nuchal organs as paired nuchal ridges separated by a small median gap, V-shaped (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">2A</figureCitation>
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). Segment I inconspicuous, barely visible laterally, in superior view. Segment II developed ventrally and laterally, bearing paleae, covered by branchiae dorsally (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Amphicteis hwanghaiensis sp. nov. (holotype) A anterior end, dorsal view B anterior end, lateral view C anterior end, ventral view D branchiae E anterior end F thoracic parapodia, arrows point to notopodial cirri G abdominal parapodia, arrows point to notopodial (large) and neuropodial (small) cirri H posterior end, ventral view. Numbers refer to segments; ll = lower lip, bII-V = branchiae, segments II-V, respectively." figureDoi="10.3897/zookeys.988.49934.figure1" httpUri="https://binary.pensoft.net/fig/472504" pageId="0" pageNumber="1">1A-E</figureCitation>
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,
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">2A, B</figureCitation>
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). Four pairs of long and tapering branchiae, in 2 transverse rows on segments III and IV, separated by a mid-dorsal rectangular hump of half inner branchiae width (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Amphicteis hwanghaiensis sp. nov. (holotype) A anterior end, dorsal view B anterior end, lateral view C anterior end, ventral view D branchiae E anterior end F thoracic parapodia, arrows point to notopodial cirri G abdominal parapodia, arrows point to notopodial (large) and neuropodial (small) cirri H posterior end, ventral view. Numbers refer to segments; ll = lower lip, bII-V = branchiae, segments II-V, respectively." figureDoi="10.3897/zookeys.988.49934.figure1" httpUri="https://binary.pensoft.net/fig/472504" pageId="0" pageNumber="1">1A, D</figureCitation>
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,
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">2B</figureCitation>
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); inner branchiae 2 times thicker than outer ones; innermost branchiae of anterior transverse row originating from segment II, outermost branchiae of anterior transverse row originating from segment III, innermost branchiae of posterior transverse row originating from segment IV, outermost branchiae of posterior transverse row originating from segment V (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">2B</figureCitation>
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). Left and right groups of golden paleae present on segment II with 11 on right side and 13 on left side (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Amphicteis hwanghaiensis sp. nov. (holotype) A anterior end, dorsal view B anterior end, lateral view C anterior end, ventral view D branchiae E anterior end F thoracic parapodia, arrows point to notopodial cirri G abdominal parapodia, arrows point to notopodial (large) and neuropodial (small) cirri H posterior end, ventral view. Numbers refer to segments; ll = lower lip, bII-V = branchiae, segments II-V, respectively." figureDoi="10.3897/zookeys.988.49934.figure1" httpUri="https://binary.pensoft.net/fig/472504" pageId="0" pageNumber="1">1A-E</figureCitation>
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,
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">2A</figureCitation>
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). Paleae arranged in shallow arcs with the longest paleae innermost; stout and slightly curved dorsally and tapering to short blunt tips; well developed, twice as long as prostomium (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Amphicteis hwanghaiensis sp. nov. (holotype) A anterior end, dorsal view B anterior end, lateral view C anterior end, ventral view D branchiae E anterior end F thoracic parapodia, arrows point to notopodial cirri G abdominal parapodia, arrows point to notopodial (large) and neuropodial (small) cirri H posterior end, ventral view. Numbers refer to segments; ll = lower lip, bII-V = branchiae, segments II-V, respectively." figureDoi="10.3897/zookeys.988.49934.figure1" httpUri="https://binary.pensoft.net/fig/472504" pageId="0" pageNumber="1">1A-E</figureCitation>
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,
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">2A, C</figureCitation>
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,
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Amphicteis hwanghaiensis sp. nov. (holotype) A limbate capillary notochaeta B notochaetae C paleae D thoracic uncini, arrows point to subrostal process E abdominal uncini, arrows point to subrostal process." figureDoi="10.3897/zookeys.988.49934.figure3" httpUri="https://binary.pensoft.net/fig/472506" pageId="0" pageNumber="1">3C</figureCitation>
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). Notopodia with capillary chaetae and tuberculate ventral cirrus from segment III, present on 17 chaetigers (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Amphicteis hwanghaiensis sp. nov. (holotype) A anterior end, dorsal view B anterior end, lateral view C anterior end, ventral view D branchiae E anterior end F thoracic parapodia, arrows point to notopodial cirri G abdominal parapodia, arrows point to notopodial (large) and neuropodial (small) cirri H posterior end, ventral view. Numbers refer to segments; ll = lower lip, bII-V = branchiae, segments II-V, respectively." figureDoi="10.3897/zookeys.988.49934.figure1" httpUri="https://binary.pensoft.net/fig/472504" pageId="0" pageNumber="1">1F</figureCitation>
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,
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">2B, D, E</figureCitation>
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,
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Amphicteis hwanghaiensis sp. nov. (holotype) A limbate capillary notochaeta B notochaetae C paleae D thoracic uncini, arrows point to subrostal process E abdominal uncini, arrows point to subrostal process." figureDoi="10.3897/zookeys.988.49934.figure3" httpUri="https://binary.pensoft.net/fig/472506" pageId="0" pageNumber="1">3A, B</figureCitation>
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); anterior notopodia small, increasing in size from
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<normalizedToken originalValue="first">first</normalizedToken>
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to fourth pair (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Amphicteis hwanghaiensis sp. nov. (holotype) A anterior end, dorsal view B anterior end, lateral view C anterior end, ventral view D branchiae E anterior end F thoracic parapodia, arrows point to notopodial cirri G abdominal parapodia, arrows point to notopodial (large) and neuropodial (small) cirri H posterior end, ventral view. Numbers refer to segments; ll = lower lip, bII-V = branchiae, segments II-V, respectively." figureDoi="10.3897/zookeys.988.49934.figure1" httpUri="https://binary.pensoft.net/fig/472504" pageId="0" pageNumber="1">1A-C</figureCitation>
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). Neuropodial tori with uncini from segment VI, present on 14 thoracic uncinigers; tori without offset dorsal lobe (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Amphicteis hwanghaiensis sp. nov. (holotype) A anterior end, dorsal view B anterior end, lateral view C anterior end, ventral view D branchiae E anterior end F thoracic parapodia, arrows point to notopodial cirri G abdominal parapodia, arrows point to notopodial (large) and neuropodial (small) cirri H posterior end, ventral view. Numbers refer to segments; ll = lower lip, bII-V = branchiae, segments II-V, respectively." figureDoi="10.3897/zookeys.988.49934.figure1" httpUri="https://binary.pensoft.net/fig/472504" pageId="0" pageNumber="1">1F</figureCitation>
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,
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">2D</figureCitation>
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). Continuous ventral shields present to approximately thoracic unciniger 12. Elevated or
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<normalizedToken originalValue="modified">modified</normalizedToken>
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notopodia absent. Intermediate uncinigers absent. Fifteen abdominal uncinigers with digitiform rudimentary notopodia (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Amphicteis hwanghaiensis sp. nov. (holotype) A anterior end, dorsal view B anterior end, lateral view C anterior end, ventral view D branchiae E anterior end F thoracic parapodia, arrows point to notopodial cirri G abdominal parapodia, arrows point to notopodial (large) and neuropodial (small) cirri H posterior end, ventral view. Numbers refer to segments; ll = lower lip, bII-V = branchiae, segments II-V, respectively." figureDoi="10.3897/zookeys.988.49934.figure1" httpUri="https://binary.pensoft.net/fig/472504" pageId="0" pageNumber="1">1G</figureCitation>
|
|
,
|
|
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">2F</figureCitation>
|
|
). Pinnules with tiny tuberculate dorsal cirrus (Figs
|
|
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Amphicteis hwanghaiensis sp. nov. (holotype) A anterior end, dorsal view B anterior end, lateral view C anterior end, ventral view D branchiae E anterior end F thoracic parapodia, arrows point to notopodial cirri G abdominal parapodia, arrows point to notopodial (large) and neuropodial (small) cirri H posterior end, ventral view. Numbers refer to segments; ll = lower lip, bII-V = branchiae, segments II-V, respectively." figureDoi="10.3897/zookeys.988.49934.figure1" httpUri="https://binary.pensoft.net/fig/472504" pageId="0" pageNumber="1">1G</figureCitation>
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|
,
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|
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">2F</figureCitation>
|
|
). Thoracic and abdominal uncini arranged in single vertical rows with subrostral process and five or six teeth in a single row over basal prow (Figs
|
|
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">2G, H</figureCitation>
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,
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|
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Amphicteis hwanghaiensis sp. nov. (holotype) A limbate capillary notochaeta B notochaetae C paleae D thoracic uncini, arrows point to subrostal process E abdominal uncini, arrows point to subrostal process." figureDoi="10.3897/zookeys.988.49934.figure3" httpUri="https://binary.pensoft.net/fig/472506" pageId="0" pageNumber="1">3D, E</figureCitation>
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|
). Pygidium with terminal anus and two laterally attached tapering anal cirri, approximately as long as the last five chaetigers (Fig.
|
|
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Amphicteis hwanghaiensis sp. nov. (holotype) A anterior end, dorsal view B anterior end, lateral view C anterior end, ventral view D branchiae E anterior end F thoracic parapodia, arrows point to notopodial cirri G abdominal parapodia, arrows point to notopodial (large) and neuropodial (small) cirri H posterior end, ventral view. Numbers refer to segments; ll = lower lip, bII-V = branchiae, segments II-V, respectively." figureDoi="10.3897/zookeys.988.49934.figure1" httpUri="https://binary.pensoft.net/fig/472504" pageId="0" pageNumber="1">1H</figureCitation>
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).
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</paragraph>
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<caption doi="10.3897/zookeys.988.49934.figure1" httpUri="https://binary.pensoft.net/fig/472504" pageId="0" pageNumber="1" start="Figure 1" startId="F1">
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|
<paragraph pageId="0" pageNumber="1">
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|
<emphasis bold="true" pageId="0" pageNumber="1">Figure 1.</emphasis>
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|
<taxonomicName authorityName="Wang & Sui & Li & Hutchings & Nogueira" authorityYear="2020" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis hwanghaiensis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="hwanghaiensis">
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<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. (holotype)
|
|
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
|
|
anterior end, dorsal view
|
|
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
|
|
anterior end, lateral view
|
|
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
|
|
anterior end, ventral view
|
|
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
|
|
branchiae
|
|
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
|
|
anterior end
|
|
<emphasis bold="true" pageId="0" pageNumber="1">F</emphasis>
|
|
thoracic parapodia, arrows point to notopodial cirri
|
|
<emphasis bold="true" pageId="0" pageNumber="1">G</emphasis>
|
|
abdominal parapodia, arrows point to notopodial (large) and neuropodial (small) cirri
|
|
<emphasis bold="true" pageId="0" pageNumber="1">H</emphasis>
|
|
posterior end, ventral view. Numbers refer to segments; ll = lower lip, bII-V = branchiae, segments II-V, respectively.
|
|
</paragraph>
|
|
</caption>
|
|
<caption doi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1" start="Figure 2" startId="F2">
|
|
<paragraph pageId="0" pageNumber="1">
|
|
<emphasis bold="true" pageId="0" pageNumber="1">Figure 2.</emphasis>
|
|
<taxonomicName authorityName="Wang & Sui & Li & Hutchings & Nogueira" authorityYear="2020" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis hwanghaiensis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. (holotype)
|
|
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
|
|
prostomium, dorsal view
|
|
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
|
|
position of branchiae, dorsal view
|
|
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
|
|
paleae
|
|
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
|
|
thoracic parapodium
|
|
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
|
|
limbate capillary notochaeta
|
|
<emphasis bold="true" pageId="0" pageNumber="1">F</emphasis>
|
|
abdominal parapodium
|
|
<emphasis bold="true" pageId="0" pageNumber="1">G</emphasis>
|
|
thoracic uncinus
|
|
<emphasis bold="true" pageId="0" pageNumber="1">H</emphasis>
|
|
abdominal uncinus. Scale bars: 500
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="1">A, B, D, F</emphasis>
|
|
); 250
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
|
|
); 100
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
|
|
); 10
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="1">G, H</emphasis>
|
|
).
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph pageId="0" pageNumber="1">
|
|
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Paratype</emphasis>
|
|
complete, 31 mm long, 4.5 mm wide, with ten paleae on right side and eight on left (Fig.
|
|
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Amphicteis hwanghaiensis sp. nov. (paratype) A anterior end, dorsal view B anterior end C thoracic parapodia. Numbers refer to segments; bII-V = branchiae, segments II-V, respectively; P = prostomium; * = middle lobe of prostomium; Pe = peristomium." figureDoi="10.3897/zookeys.988.49934.figure4" httpUri="https://binary.pensoft.net/fig/472507" pageId="0" pageNumber="1">4A, B</figureCitation>
|
|
). Eighteen thoracic chaetigers one side and 17 thoracic chaetigers on the other side (Fig.
|
|
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Amphicteis hwanghaiensis sp. nov. (paratype) A anterior end, dorsal view B anterior end C thoracic parapodia. Numbers refer to segments; bII-V = branchiae, segments II-V, respectively; P = prostomium; * = middle lobe of prostomium; Pe = peristomium." figureDoi="10.3897/zookeys.988.49934.figure4" httpUri="https://binary.pensoft.net/fig/472507" pageId="0" pageNumber="1">4C</figureCitation>
|
|
). Dorsum of thoracic segments shows no pigmentation and only inner branchiae have several red bands.
|
|
</paragraph>
|
|
<caption doi="10.3897/zookeys.988.49934.figure3" httpUri="https://binary.pensoft.net/fig/472506" pageId="0" pageNumber="1" start="Figure 3" startId="F3">
|
|
<paragraph pageId="0" pageNumber="1">
|
|
<emphasis bold="true" pageId="0" pageNumber="1">Figure 3.</emphasis>
|
|
<taxonomicName authorityName="Wang & Sui & Li & Hutchings & Nogueira" authorityYear="2020" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis hwanghaiensis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. (holotype)
|
|
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
|
|
limbate capillary notochaeta
|
|
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
|
|
notochaetae
|
|
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
|
|
paleae
|
|
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
|
|
thoracic uncini, arrows point to subrostal process
|
|
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
|
|
abdominal uncini, arrows point to subrostal process.
|
|
</paragraph>
|
|
</caption>
|
|
<caption doi="10.3897/zookeys.988.49934.figure4" httpUri="https://binary.pensoft.net/fig/472507" pageId="0" pageNumber="1" start="Figure 4" startId="F4">
|
|
<paragraph pageId="0" pageNumber="1">
|
|
<emphasis bold="true" pageId="0" pageNumber="1">Figure 4.</emphasis>
|
|
<taxonomicName authorityName="Wang & Sui & Li & Hutchings & Nogueira" authorityYear="2020" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis hwanghaiensis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. (paratype)
|
|
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
|
|
anterior end, dorsal view
|
|
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
|
|
anterior end
|
|
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
|
|
thoracic parapodia. Numbers refer to segments; bII-V = branchiae, segments II-V, respectively; P = prostomium; * = middle lobe of prostomium; Pe = peristomium.
|
|
</paragraph>
|
|
</caption>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="1" type="etymology">
|
|
<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
|
|
<paragraph pageId="0" pageNumber="1">
|
|
The species is named after its type locality in the Yellow Sea of China. The species name is an adjective in the nominative singular, derived from
|
|
<normalizedToken originalValue="“hwanghai”">"hwanghai"</normalizedToken>
|
|
which means "Yellow Sea" in Chinese, with the Latin suffix -ensis to denote a place.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="1" type="distribution">
|
|
<paragraph pageId="0" pageNumber="1">Distribution.</paragraph>
|
|
<paragraph pageId="0" pageNumber="1">Yellow Sea at 79 m depth.</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="1" type="remarks">
|
|
<paragraph pageId="0" pageNumber="1">Remarks.</paragraph>
|
|
<paragraph pageId="0" pageNumber="1">
|
|
The presence of stout paleae with blunt tips is characteristic for
|
|
<taxonomicName lsidName="A. hwanghaiensis" pageId="0" pageNumber="1" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov..
|
|
<bibRefCitation DOI="https://doi.org/10.1080/11250003.2016.1259359" author="Schiaparelli, S" journalOrPublisher="Italian Journal of Zoology" pageId="0" pageNumber="1" pagination="531 - 542" refId="B25" refString="Schiaparelli, S, Jirkov, IA, 2016. A reassessment of the genus Amphicteis Grube, 1850 (Polychaeta: Ampharetidae) with the description of Amphicteis teresae sp. nov. from Terra Nova Bay (Ross Sea, Antarctica). Italian Journal of Zoology 83 (4): 531 - 542, DOI: https://doi.org/10.1080/11250003.2016.1259359" title="A reassessment of the genus Amphicteis Grube, 1850 (Polychaeta: Ampharetidae) with the description of Amphicteis teresae sp. nov. from Terra Nova Bay (Ross Sea, Antarctica)." url="https://doi.org/10.1080/11250003.2016.1259359" volume="83" year="2016">Schiaparelli and Jirkov (2016)</bibRefCitation>
|
|
provided a revision of the genus
|
|
<taxonomicName authorityName="Grube" authorityYear="1850" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis</emphasis>
|
|
</taxonomicName>
|
|
and concluded that out of the 38
|
|
<taxonomicName authorityName="Grube" authorityYear="1850" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis</emphasis>
|
|
</taxonomicName>
|
|
species (known at that time), only five species have this type of paleae:
|
|
<taxonomicName lsidName="A. mederi" pageId="0" pageNumber="1" rank="species" species="mederi">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. mederi</emphasis>
|
|
</taxonomicName>
|
|
,
|
|
<taxonomicName lsidName="A. midas" pageId="0" pageNumber="1" rank="species" species="midas">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. midas</emphasis>
|
|
</taxonomicName>
|
|
(Gosse, 1855),
|
|
<taxonomicName lsidName="A. taurus" pageId="0" pageNumber="1" rank="species" species="taurus">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. taurus</emphasis>
|
|
</taxonomicName>
|
|
Reuscher, Fiege & Imajima, 2015,
|
|
<taxonomicName lsidName="A. ninonae" pageId="0" pageNumber="1" rank="species" species="ninonae">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. ninonae</emphasis>
|
|
</taxonomicName>
|
|
Jirkov, 1985, and
|
|
<taxonomicName lsidName="A. teresae" pageId="0" pageNumber="1" rank="species" species="teresae">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. teresae</emphasis>
|
|
</taxonomicName>
|
|
Schiaparelli & Jirkov, 2016. According to
|
|
<bibRefCitation DOI="https://doi.org/10.1017/S0025315414001623" author="Reuscher, MG" journalOrPublisher="Journal of the Marine Biological Association of the United Kingdom" pageId="0" pageNumber="1" pagination="929 - 940" refId="B23" refString="Reuscher, MG, Fiege, D, Imajima, M, 2015. Ampharetidae (Annelida: Polychaeta) from Japan. Part III: the genus Amphicteis Grube, 1850 and closely related genera. Journal of the Marine Biological Association of the United Kingdom 95: 929 - 940, DOI: https://doi.org/10.1017/S0025315414001623" title="Ampharetidae (Annelida: Polychaeta) from Japan. Part III: the genus Amphicteis Grube, 1850 and closely related genera." url="https://doi.org/10.1017/S0025315414001623" volume="95" year="2015">Reuscher et al. (2015)</bibRefCitation>
|
|
,
|
|
<taxonomicName lsidName="A. dalmatica" pageId="0" pageNumber="1" rank="species" species="dalmatica">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. dalmatica</emphasis>
|
|
</taxonomicName>
|
|
Hutchings & Rainer, 1979 and
|
|
<taxonomicName lsidName="A. philippinarum" pageId="0" pageNumber="1" rank="species" species="philippinarum">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. philippinarum</emphasis>
|
|
</taxonomicName>
|
|
Grube, 1878 also have short and poorly developed paleae. The latter species differs from
|
|
<taxonomicName lsidName="A. hwanghaiensis" pageId="0" pageNumber="1" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. by having foliose branchiae and uncini without a subrostral process, while
|
|
<taxonomicName lsidName="A. hwanghaiensis" pageId="0" pageNumber="1" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. only have cirriform branchiae and uncini with a subrostral process. To make clear the distinction between members of
|
|
<taxonomicName lsidName="A. dalmatica" pageId="0" pageNumber="1" rank="species" species="dalmatica">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. dalmatica</emphasis>
|
|
</taxonomicName>
|
|
and our new species, the type material of
|
|
<taxonomicName lsidName="A. dalmatica" pageId="0" pageNumber="1" rank="species" species="dalmatica">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. dalmatica</emphasis>
|
|
</taxonomicName>
|
|
was examined, redescribed, and compared with the new species (below).
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="1">
|
|
All the other
|
|
<taxonomicName authorityName="Grube" authorityYear="1850" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis</emphasis>
|
|
</taxonomicName>
|
|
species have paleae with fine filamentous tips; the difference between fine-tipped and stout-tipped paleae is easy to distinguish. According to
|
|
<bibRefCitation DOI="https://doi.org/10.1080/11250003.2016.1259359" author="Schiaparelli, S" journalOrPublisher="Italian Journal of Zoology" pageId="0" pageNumber="1" pagination="531 - 542" refId="B25" refString="Schiaparelli, S, Jirkov, IA, 2016. A reassessment of the genus Amphicteis Grube, 1850 (Polychaeta: Ampharetidae) with the description of Amphicteis teresae sp. nov. from Terra Nova Bay (Ross Sea, Antarctica). Italian Journal of Zoology 83 (4): 531 - 542, DOI: https://doi.org/10.1080/11250003.2016.1259359" title="A reassessment of the genus Amphicteis Grube, 1850 (Polychaeta: Ampharetidae) with the description of Amphicteis teresae sp. nov. from Terra Nova Bay (Ross Sea, Antarctica)." url="https://doi.org/10.1080/11250003.2016.1259359" volume="83" year="2016">Schiaparelli and Jirkov (2016)</bibRefCitation>
|
|
, the shape of blunt, stout paleae from the five known species belonging to this group are all very similar, but there are other diagnostic morphological differences, which can be used to distinguish them from the new species.The difference between
|
|
<taxonomicName lsidName="A. mederi" pageId="0" pageNumber="1" rank="species" species="mederi">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. mederi</emphasis>
|
|
</taxonomicName>
|
|
and
|
|
<taxonomicName lsidName="A. hwanghaiensis" pageId="0" pageNumber="1" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. is that
|
|
<taxonomicName lsidName="A. mederi" pageId="0" pageNumber="1" rank="species" species="mederi">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. mederi</emphasis>
|
|
</taxonomicName>
|
|
has abdominal pinnules with a cirriform dorsal cirrus, while the new species has a tuberculate dorsal cirrus; the thoracic and abdominal uncini of
|
|
<taxonomicName lsidName="A. hwanghaiensis" pageId="0" pageNumber="1" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. have five or six teeth in a single row over the basal prow while the uncini in
|
|
<taxonomicName lsidName="A. mederi" pageId="0" pageNumber="1" rank="species" species="mederi">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. mederi</emphasis>
|
|
</taxonomicName>
|
|
have six teeth (
|
|
<bibRefCitation author="Annenkova, NP" journalOrPublisher="Annuaire du Musee Zoologique de l'Academie des Sciences de l'URSS" pageId="0" pageNumber="1" pagination="477 - 502" refId="B1" refString="Annenkova, NP, 1929. Beitraege zur Kenntnis der Polychaeten-Fauna der USSR. I. Fam. Pectinariidae Quatrefages (Amphictenidae Malmgren) und Ampharetidae Malmgren. Annuaire du Musee Zoologique de l'Academie des Sciences de l'URSS 30 (3): 477 - 502" title="Beitraege zur Kenntnis der Polychaeten-Fauna der USSR. I. Fam. Pectinariidae Quatrefages (Amphictenidae Malmgren) und Ampharetidae Malmgren." volume="30" year="1929">Annenkova 1929</bibRefCitation>
|
|
;
|
|
<bibRefCitation author="Uschakov, PV" journalOrPublisher="Keys to the Fauna of the USSR" pageId="0" pageNumber="1" pagination="1 - 446" refId="B29" refString="Uschakov, PV, 1955. Polychaeta of the Far Eastern Seas of the USSR. Keys to the Fauna of the USSR 56: 1 - 446" title="Polychaeta of the Far Eastern Seas of the USSR." volume="56" year="1955">Uschakov 1955</bibRefCitation>
|
|
). According to
|
|
<bibRefCitation DOI="https://doi.org/10.1080/11250003.2016.1259359" author="Schiaparelli, S" journalOrPublisher="Italian Journal of Zoology" pageId="0" pageNumber="1" pagination="531 - 542" refId="B25" refString="Schiaparelli, S, Jirkov, IA, 2016. A reassessment of the genus Amphicteis Grube, 1850 (Polychaeta: Ampharetidae) with the description of Amphicteis teresae sp. nov. from Terra Nova Bay (Ross Sea, Antarctica). Italian Journal of Zoology 83 (4): 531 - 542, DOI: https://doi.org/10.1080/11250003.2016.1259359" title="A reassessment of the genus Amphicteis Grube, 1850 (Polychaeta: Ampharetidae) with the description of Amphicteis teresae sp. nov. from Terra Nova Bay (Ross Sea, Antarctica)." url="https://doi.org/10.1080/11250003.2016.1259359" volume="83" year="2016">Schiaparelli and Jirkov (2016)</bibRefCitation>
|
|
, who checked the holotype of
|
|
<taxonomicName lsidName="A. mederi" pageId="0" pageNumber="1" rank="species" species="mederi">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. mederi</emphasis>
|
|
</taxonomicName>
|
|
, the prostomial glandular ridges of
|
|
<taxonomicName lsidName="A. mederi" pageId="0" pageNumber="1" rank="species" species="mederi">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. mederi</emphasis>
|
|
</taxonomicName>
|
|
are separated by a wide median gap equal to the width of the ridge, while a gap between glandular ridges is absent in
|
|
<taxonomicName lsidName="A. hwanghaiensis" pageId="0" pageNumber="1" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. (Fig.
|
|
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Amphicteis hwanghaiensis sp. nov. (holotype) A prostomium, dorsal view B position of branchiae, dorsal view C paleae D thoracic parapodium E limbate capillary notochaeta F abdominal parapodium G thoracic uncinus H abdominal uncinus. Scale bars: 500 µm (A, B, D, F); 250 µm (C); 100 µm (E); 10 µm (G, H)." figureDoi="10.3897/zookeys.988.49934.figure2" httpUri="https://binary.pensoft.net/fig/472505" pageId="0" pageNumber="1">2A</figureCitation>
|
|
).
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="1">
|
|
A comparison of
|
|
<taxonomicName lsidName="A. midas" pageId="0" pageNumber="1" rank="species" species="midas">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. midas</emphasis>
|
|
</taxonomicName>
|
|
and
|
|
<taxonomicName lsidName="A. hwanghaiensis" pageId="0" pageNumber="1" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. shows differences in the rounded spots on the anterior dorsum and the dark transversal pigment bands on its branchiae (
|
|
<bibRefCitation DOI="https://doi.org/10.1080/11250003.2016.1259359" author="Schiaparelli, S" journalOrPublisher="Italian Journal of Zoology" pageId="0" pageNumber="1" pagination="531 - 542" refId="B25" refString="Schiaparelli, S, Jirkov, IA, 2016. A reassessment of the genus Amphicteis Grube, 1850 (Polychaeta: Ampharetidae) with the description of Amphicteis teresae sp. nov. from Terra Nova Bay (Ross Sea, Antarctica). Italian Journal of Zoology 83 (4): 531 - 542, DOI: https://doi.org/10.1080/11250003.2016.1259359" title="A reassessment of the genus Amphicteis Grube, 1850 (Polychaeta: Ampharetidae) with the description of Amphicteis teresae sp. nov. from Terra Nova Bay (Ross Sea, Antarctica)." url="https://doi.org/10.1080/11250003.2016.1259359" volume="83" year="2016">Schiaparelli and Jirkov 2016</bibRefCitation>
|
|
); in contrast, the new species has red pigmentation on its branchiae. In addition, the area between the branchial groups is very different.
|
|
<taxonomicName authorityName="Wang & Sui & Li & Hutchings & Nogueira" authorityYear="2020" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis hwanghaiensis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. has a narrow mid-dorsal rectangular hump between the inner branchiae while the area between the branchial groups of
|
|
<taxonomicName lsidName="A. midas" pageId="0" pageNumber="1" rank="species" species="midas">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. midas</emphasis>
|
|
</taxonomicName>
|
|
is flat and unmodified (
|
|
<bibRefCitation DOI="https://doi.org/10.1080/00364827.1985.10419685" author="Hartley, JP" journalOrPublisher="Sarsia" pageId="0" pageNumber="1" pagination="309 - 315" refId="B9" refString="Hartley, JP, 1985. The re-establishment of Amphicteis midas (Gosse, 1855) and redescription of the type material of A. gunneri (M. Sars, 1835) (Polychaeta: Ampharetidae). Sarsia 70: 309 - 315, DOI: https://doi.org/10.1080/00364827.1985.10419685" title="The re-establishment of Amphicteis midas (Gosse, 1855) and redescription of the type material of A. gunneri (M. Sars, 1835) (Polychaeta: Ampharetidae)." url="https://doi.org/10.1080/00364827.1985.10419685" volume="70" year="1985">Hartley 1985</bibRefCitation>
|
|
).
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="1">
|
|
<taxonomicName authorityName="Reuscher, Fiege & Imajima" authorityYear="2015" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis taurus" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="taurus">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis taurus</emphasis>
|
|
</taxonomicName>
|
|
is clearly distinct and differs from
|
|
<taxonomicName lsidName="A. hwanghaiensis" pageId="0" pageNumber="1" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. in the following features. The paleae of
|
|
<taxonomicName lsidName="A. taurus" pageId="0" pageNumber="1" rank="species" species="taurus">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. taurus</emphasis>
|
|
</taxonomicName>
|
|
are unique in the genus
|
|
<taxonomicName authorityName="Grube" authorityYear="1850" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis</emphasis>
|
|
</taxonomicName>
|
|
, being strongly enlarged, nearly straight with a uniform thickness over the entire length, and tips rounded, at about a 45-degree angle to the body.
|
|
<taxonomicName authorityName="Reuscher, Fiege & Imajima" authorityYear="2015" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis taurus" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="taurus">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis taurus</emphasis>
|
|
</taxonomicName>
|
|
is also different from
|
|
<taxonomicName lsidName="A. hwanghaiensis" pageId="0" pageNumber="1" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. by the smaller prostomial glandular ridges and the wide gap separating them. Other differences between them are the longer, annulated cephalic region (peristomium and possibly segment I) of
|
|
<taxonomicName lsidName="A. taurus" pageId="0" pageNumber="1" rank="species" species="taurus">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. taurus</emphasis>
|
|
</taxonomicName>
|
|
and the shorter cephalic region of the new species (
|
|
<bibRefCitation DOI="https://doi.org/10.1017/S0025315414001623" author="Reuscher, MG" journalOrPublisher="Journal of the Marine Biological Association of the United Kingdom" pageId="0" pageNumber="1" pagination="929 - 940" refId="B23" refString="Reuscher, MG, Fiege, D, Imajima, M, 2015. Ampharetidae (Annelida: Polychaeta) from Japan. Part III: the genus Amphicteis Grube, 1850 and closely related genera. Journal of the Marine Biological Association of the United Kingdom 95: 929 - 940, DOI: https://doi.org/10.1017/S0025315414001623" title="Ampharetidae (Annelida: Polychaeta) from Japan. Part III: the genus Amphicteis Grube, 1850 and closely related genera." url="https://doi.org/10.1017/S0025315414001623" volume="95" year="2015">Reuscher et al. 2015</bibRefCitation>
|
|
).
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="1">
|
|
According to original description,
|
|
<taxonomicName lsidName="A. teresae" pageId="0" pageNumber="1" rank="species" species="teresae">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. teresae</emphasis>
|
|
</taxonomicName>
|
|
has a larger number of paleal chaetae (15-17 on each side).
|
|
<taxonomicName authorityName="Wang & Sui & Li & Hutchings & Nogueira" authorityYear="2020" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis hwanghaiensis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. has a lower lip with a narrow, distinct, and white middle transversal band which is absent in
|
|
<taxonomicName lsidName="A. teresae" pageId="0" pageNumber="1" rank="species" species="teresae">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. teresae</emphasis>
|
|
</taxonomicName>
|
|
. Uncini of
|
|
<taxonomicName lsidName="A. hwanghaiensis" pageId="0" pageNumber="1" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. have
|
|
<normalizedToken originalValue="five">five</normalizedToken>
|
|
or six teeth besides the subrostral tooth, while uncini of
|
|
<taxonomicName lsidName="A. teresae" pageId="0" pageNumber="1" rank="species" species="teresae">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. teresae</emphasis>
|
|
</taxonomicName>
|
|
usually have
|
|
<normalizedToken originalValue="five">five</normalizedToken>
|
|
. As for eyespots, which are absent in new species,
|
|
<bibRefCitation DOI="https://doi.org/10.1080/11250003.2016.1259359" author="Schiaparelli, S" journalOrPublisher="Italian Journal of Zoology" pageId="0" pageNumber="1" pagination="531 - 542" refId="B25" refString="Schiaparelli, S, Jirkov, IA, 2016. A reassessment of the genus Amphicteis Grube, 1850 (Polychaeta: Ampharetidae) with the description of Amphicteis teresae sp. nov. from Terra Nova Bay (Ross Sea, Antarctica). Italian Journal of Zoology 83 (4): 531 - 542, DOI: https://doi.org/10.1080/11250003.2016.1259359" title="A reassessment of the genus Amphicteis Grube, 1850 (Polychaeta: Ampharetidae) with the description of Amphicteis teresae sp. nov. from Terra Nova Bay (Ross Sea, Antarctica)." url="https://doi.org/10.1080/11250003.2016.1259359" volume="83" year="2016">Schiaparelli and Jirkov (2016</bibRefCitation>
|
|
: 541) said that "Another clear character of
|
|
<taxonomicName authorityName="Schiaparelli & Jirkov" authorityYear="2016" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis teresae" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="teresae">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis teresae</emphasis>
|
|
</taxonomicName>
|
|
sp. n. that distinguishes it from the other related ones having blunt paleal chaetae is the presence of an eyespot". Furthermore,
|
|
<taxonomicName lsidName="A. teresae" pageId="0" pageNumber="1" rank="species" species="teresae">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. teresae</emphasis>
|
|
</taxonomicName>
|
|
is found in Antarctica.
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="1">
|
|
<taxonomicName authorityName="Jirkov" authorityYear="1985" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis ninonae" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="ninonae">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis ninonae</emphasis>
|
|
</taxonomicName>
|
|
, recorded from Norwegian Sea and Arctic Seas, is most similar to the new species; however, members of this species are distinguished because, according to
|
|
<bibRefCitation author="Jirkov, IA" journalOrPublisher="Zoologicheskii Zhurnal" pageId="0" pageNumber="1" pagination="1894 - 1898" refId="B14" refString="Jirkov, IA, 1985. Amphicteis ninonae sp. n. (Polychaeta, Ampharetidae) from the northern waters. Zoologicheskii Zhurnal 64: 1894 - 1898" title="Amphicteis ninonae sp. n. (Polychaeta, Ampharetidae) from the northern waters." volume="64" year="1985">Jirkov (1985)</bibRefCitation>
|
|
, the paleae are dark brown, while those of
|
|
<taxonomicName lsidName="A. hwanghaiensis" pageId="0" pageNumber="1" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. are golden.
|
|
<taxonomicName authorityName="Wang & Sui & Li & Hutchings & Nogueira" authorityYear="2020" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis hwanghaiensis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. also has a narrow rectangular hump between the branchial groups, while the area between the branchial groups of
|
|
<taxonomicName lsidName="A. ninonae" pageId="0" pageNumber="1" rank="species" species="ninonae">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. ninonae</emphasis>
|
|
</taxonomicName>
|
|
is flat and unmodified.
|
|
<bibRefCitation DOI="https://doi.org/10.1080/00222933.2011.558640" author="Parapar, J" journalOrPublisher="Journal of Natural History" pageId="0" pageNumber="1" pagination="1477 - 1499" refId="B21" refString="Parapar, J, Helgason, GV, Jirkov, I, Moreira, J, 2011. Taxonomy and distribution of the genus Amphicteis (Polychaeta: Ampharetidae) collected by the BIOICE project in Icelandic waters. Journal of Natural History 45: 1477 - 1499, DOI: https://doi.org/10.1080/00222933.2011.558640" title="Taxonomy and distribution of the genus Amphicteis (Polychaeta: Ampharetidae) collected by the BIOICE project in Icelandic waters." url="https://doi.org/10.1080/00222933.2011.558640" volume="45" year="2011">Parapar et al. (2011)</bibRefCitation>
|
|
also suggested that
|
|
<taxonomicName lsidName="A. ninonae" pageId="0" pageNumber="1" rank="species" species="ninonae">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. ninonae</emphasis>
|
|
</taxonomicName>
|
|
seems to be restricted to the north and east coasts of Iceland.
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="1">
|
|
Four species of
|
|
<taxonomicName authorityName="Grube" authorityYear="1850" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis</emphasis>
|
|
</taxonomicName>
|
|
,
|
|
<taxonomicName lsidName="A. glabra" pageId="0" pageNumber="1" rank="species" species="glabra">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. glabra</emphasis>
|
|
</taxonomicName>
|
|
,
|
|
<taxonomicName lsidName="A. gunneri" pageId="0" pageNumber="1" rank="species" species="gunneri">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. gunneri</emphasis>
|
|
</taxonomicName>
|
|
,
|
|
<taxonomicName lsidName="A. scaphobranchiata" pageId="0" pageNumber="1" rank="species" species="scaphobranchiata">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. scaphobranchiata</emphasis>
|
|
</taxonomicName>
|
|
, and
|
|
<taxonomicName lsidName="A. chinensis" pageId="0" pageNumber="1" rank="species" species="chinensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. chinensis</emphasis>
|
|
</taxonomicName>
|
|
, have been recorded from Chinese seas, according to
|
|
<bibRefCitation DOI="https://doi.org/10.1007/s00343-017-6140-3" author="Sui, JX" journalOrPublisher="Chinese Journal of Oceanology and Limnology" pageId="0" pageNumber="1" pagination="821 - 824" refId="B27" refString="Sui, JX, Li, XZ, 2017. A new species of the genus Amphicteis (Polychaeta: Ampharetidae) from China. Chinese Journal of Oceanology and Limnology 35 (4): 821 - 824, DOI: https://doi.org/10.1007/s00343-017-6140-3" title="A new species of the genus Amphicteis (Polychaeta: Ampharetidae) from China." url="https://doi.org/10.1007/s00343-017-6140-3" volume="35" year="2017">Sui and Li (2017)</bibRefCitation>
|
|
. The new species differs from these species by having blunt and stout tipped paleae, as these four species belong to the group of
|
|
<taxonomicName authorityName="Grube" authorityYear="1850" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis</emphasis>
|
|
</taxonomicName>
|
|
species with tips of paleae sharply tapering into fine
|
|
<normalizedToken originalValue="filaments">filaments</normalizedToken>
|
|
.
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="1">
|
|
Among the species from the Western
|
|
<normalizedToken originalValue="Pacific">Pacific</normalizedToken>
|
|
, specimens belonging to
|
|
<taxonomicName authorityName="Caullery" authorityYear="1944" class="Polychaeta" family="Ampharetidae" genus="Amphicteis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicteis malayensis" order="Terebellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="malayensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">Amphicteis malayensis</emphasis>
|
|
</taxonomicName>
|
|
Caullery, 1944 differ from those of
|
|
<taxonomicName lsidName="A. hwanghaiensis" pageId="0" pageNumber="1" rank="species" species="hwanghaiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. hwanghaiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. by the possession of prostomial eyespots and a wide median gap between glandular ridges. Members of
|
|
<taxonomicName lsidName="A. theeli" pageId="0" pageNumber="1" rank="species" species="theeli">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. theeli</emphasis>
|
|
</taxonomicName>
|
|
Caullery, 1944 and
|
|
<taxonomicName lsidName="A. quadridentata" pageId="0" pageNumber="1" rank="species" species="quadridentata">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. quadridentata</emphasis>
|
|
</taxonomicName>
|
|
Caullery, 1944 have 14 and 16 abdominal uncinigers, respectively. The branchiae of individuals of
|
|
<taxonomicName lsidName="A. spinosa" pageId="0" pageNumber="1" rank="species" species="spinosa">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. spinosa</emphasis>
|
|
</taxonomicName>
|
|
Reuscher, Fiege & Imajima, 2015 have four rows of pointed protuberances, while branchiae are smooth among specimens belonging to our new species. Finally, specimens belonging to
|
|
<taxonomicName lsidName="A. uncopalea" pageId="0" pageNumber="1" rank="species" species="uncopalea">
|
|
<emphasis italics="true" pageId="0" pageNumber="1">A. uncopalea</emphasis>
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</taxonomicName>
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Chamberlin, 1919, found in the North-western
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<normalizedToken originalValue="Pacific">Pacific</normalizedToken>
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, have well-developed paleae with curly and fine tips, and a distinct rounded lobe behind the paleae originating from segment III.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |