480 lines
58 KiB
XML
480 lines
58 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1137.86150" ID-Pensoft-Pub="1313-2970-1137-33" ID-Pensoft-UUID="038180F7C47A5FCBBD907481025DF21B" ID-ZooBank="9407DC6EB6B046AFA9C7F8DDCF542457" ModsDocID="1313-2970-1137-33" checkinTime="1671892186869" checkinUser="pensoft" docAuthor="Neal, Lenka, Wiklund, Helena, Gunton, Laetitia M., Rabone, Muriel, Bribiesca-Contreras, Guadalupe, Dahlgren, Thomas G. & Glover, Adrian G." docDate="2022" docId="1123F843F2AF5AF98BF8B16606C2A8A6" docLanguage="en" docName="ZooKeys 1137: 33-74" docOrigin="ZooKeys 1137" docPubDate="2022-12-22" docSource="http://dx.doi.org/10.3897/zookeys.1137.86150" docTitle="Euphrosinella georgievae Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover 2022, sp. nov." docType="treatment" docUuid="EE13C699-0E67-4060-893C-0AB0BB5E0045" docUuidSource="ZooBank" docVersion="2" id="038180F7C47A5FCBBD907481025DF21B" lastPageNumber="33" masterDocId="038180F7C47A5FCBBD907481025DF21B" masterDocTitle="Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Amphinomidae and Euphrosinidae (Annelida, Amphinomida)" masterLastPageNumber="74" masterPageNumber="33" pageNumber="33" updateTime="1671892489011" 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>Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Amphinomidae and Euphrosinidae (Annelida, Amphinomida)</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>Neal, Lenka</mods:namePart>
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<mods:affiliation>Life Sciences Department, Natural History Museum, London SW 7 5 BD, UK</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>Wiklund, Helena</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-8252-3504</mods:nameIdentifier>
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<mods:affiliation>Life Sciences Department, Natural History Museum, London SW 7 5 BD, UK & Department of Marine Sciences, University of Gothenburg, Box 463, 40530 Gothenburg, Sweden & Gothenburg Global Biodiversity Centre, Box 463, 40530 Gothenburg, Sweden</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>Gunton, Laetitia M.</mods:namePart>
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<mods:affiliation>Australian Museum Research Institute, 1 William Street, Sydney NSW 2010, 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>Rabone, Muriel</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-8351-2313</mods:nameIdentifier>
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<mods:affiliation>Life Sciences Department, Natural History Museum, London SW 7 5 BD, UK</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>Bribiesca-Contreras, Guadalupe</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-8163-8724</mods:nameIdentifier>
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<mods:affiliation>Life Sciences Department, Natural History Museum, London SW 7 5 BD, UK</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>Dahlgren, Thomas G.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-6854-2031</mods:nameIdentifier>
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<mods:affiliation>Department of Marine Sciences, University of Gothenburg, Box 463, 40530 Gothenburg, Sweden & Gothenburg Global Biodiversity Centre, Box 463, 40530 Gothenburg, Sweden & NORCE Norwegian Research Centre, Bergen, Norway</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>Glover, Adrian G.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-9489-074X</mods:nameIdentifier>
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<mods:affiliation>Life Sciences Department, Natural History Museum, London SW 7 5 BD, UK</mods:affiliation>
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<mods:nameIdentifier type="email">a.glover@nhm.ac.uk</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-12-22</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1137</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>33</mods:start>
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<mods:end>74</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.1137.86150</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.1137.86150</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1137-33</mods:identifier>
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<mods:identifier type="ZooBank">9407DC6EB6B046AFA9C7F8DDCF542457</mods:identifier>
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<mods:identifier type="Pensoft-UUID">038180F7C47A5FCBBD907481025DF21B</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:zoobank.org:act:EE13C699-0E67-4060-893C-0AB0BB5E0045" httpUri="http://treatment.plazi.org/id/1123F843F2AF5AF98BF8B16606C2A8A6" lastPageNumber="33" pageId="0" pageNumber="33">
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<subSubSection pageId="0" pageNumber="33" type="nomenclature">
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<paragraph pageId="0" pageNumber="33">
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<taxonomicName LSID="https://zoobank.org/EE13C699-0E67-4060-893C-0AB0BB5E0045" authority="Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover, 2022" authorityName="Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover" authorityYear="2022" class="Polychaeta" family="Amphinomidae" genus="Euphrosinella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinella georgievae" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="georgievae" status="sp. nov.">Euphrosinella georgievae</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="33">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="33" type="description">
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<paragraph pageId="0" pageNumber="33">
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<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Euphrosinella georgievae sp. nov. (holotype, NHMUK ANEA 2022.664) A preserved specimen in lateral views B specimen stained with Shirlastain in lateral view C, D detail of anterior end and prostomium with palps (P), lateral antennae (La), median antenna (Ma), caruncle (Car) and first chaetiger - dorsal cirrus (Dc), lateral cirrus (Lc) and ventral cirrus (Vc) marked by arrows E, F midbody chaetigers in dorsal view with branchiae (Br), dorsal (Dc) and lateral cirri (Lc) marked by arrows G pygidium in distal view. Scale bars: 1 mm. Abbreviations: Ma - median antenna, La - lateral antennae, P - palps, Vc - ventral cirrus, Lc - lateral cirrus, Dc - dorsal cirrus, Car - caruncle, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure13" httpUri="https://binary.pensoft.net/fig/786213" pageId="0" pageNumber="33">Figs 13A-G</figureCitation>
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<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Euphrosinella georgievae sp. nov. (paratype NHMUK ANEA. 2022.662) A preserved specimen in dorsolateral view B specimen stained with Shirlastain, in dorsolateral view C detail of anterior end in dorsolateral view D detail of prostomium, with palps and lateral antennae E dorsal view of midbody chaetigers, showing branchiae and dorsal cirri F detail of pygidium in distal view. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1137.86150.figure14" httpUri="https://binary.pensoft.net/fig/786214" pageId="0" pageNumber="33">, 14A-F</figureCitation>
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<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Diagrammatic representation of prostomial (A-C) and parapodial appendages from mid-body chaetigers (D, E) of CCZ-collected Euphrosinidae species (relative lengths preserved, but not drawn to scale) A Euphrosinella georgievae sp. nov. B Euphrosinopsis ahearni sp. nov. C Euphrosinopsis halli sp. nov. D Euphrosinella georgievae sp. nov. E Euphrosinopsis ahearni sp. nov. F Euphrosinopsis halli sp. nov. Abbreviations: P - palps, La - lateral antennae, Ma - median antenna, Car - caruncle, E - eyes, DC - dorsal cirrus, LC - lateral cirrus, VC - ventral cirrus, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure15" httpUri="https://binary.pensoft.net/fig/786215" pageId="0" pageNumber="33">, 15A</figureCitation>
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<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Euphrosinella georgievae sp. nov. (specimen NHMUK ANEA. 2022.658) A mid body parapodium B notochaeta from anterior tier C notochaeta from mid-tier D notochaeta from posterior tier, detail of serration (insert) E-G examples of neurochaetae. Scale bars: 100 µm (A, B, E); 200 µm (C); 250 µm (D); 50 µm (F, G)." figureDoi="10.3897/zookeys.1137.86150.figure16" httpUri="https://binary.pensoft.net/fig/786216" pageId="0" pageNumber="33">, 16A-G</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="33" type="materials_examined">
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<paragraph pageId="0" pageNumber="33">Material examined.</paragraph>
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<paragraph pageId="0" pageNumber="33">
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NHM_0587, NHMUK ANEA 2022.658, coll.
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<date value="2015-02-17">17/02/2015</date>
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, EBS,
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<geoCoordinate degrees="12.38624" direction="north" orientation="latitude" precision="1" value="12.38624">12.38624</geoCoordinate>
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,
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<geoCoordinate degrees="116.54867" direction="west" orientation="longitude" precision="1" value="-116.54867">-116.54867</geoCoordinate>
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,
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<quantity metricMagnitude="3" metricUnit="m" metricValue="4.202" unit="m" value="4202.0">4202 m</quantity>
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, UK-1, http://data.nhm.ac.uk/object/b7a0bf33-0dc4-4f61-90de-35865647a99f; NHM_0777, NHMUK ANEA 2022.659, coll.
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<date value="2015-02-20">20/02/2015</date>
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, EBS,
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<geoCoordinate degrees="12.38624" direction="north" orientation="latitude" precision="1" value="12.38624">12.38624</geoCoordinate>
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,
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<geoCoordinate degrees="116.54867" direction="west" orientation="longitude" precision="1" value="-116.54867">-116.54867</geoCoordinate>
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,
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<quantity metricMagnitude="3" metricUnit="m" metricValue="4.202" unit="m" value="4202.0">4202 m</quantity>
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, UK-1, http://data.nhm.ac.uk/object/a8f0e776-d7b6-4ec6-a549-78f40f17d89b; NHM_1737B, NHMUK ANEA 2022.660, coll.
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<date value="2015-03-11">11/03/2015</date>
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, EBS,
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<geoCoordinate degrees="12.17383" direction="north" orientation="latitude" precision="1" value="12.17383">12.17383</geoCoordinate>
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,
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<geoCoordinate degrees="117.19283" direction="west" orientation="longitude" precision="1" value="-117.19283">-117.19283</geoCoordinate>
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,
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<quantity metricMagnitude="3" metricUnit="m" metricValue="4.045" unit="m" value="4045.0">4045 m</quantity>
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, OMS, http://data.nhm.ac.uk/object/2784df45-eec0-4151-b12d-11d955985faa; NHM_0910, NHMUK ANEA 2022.661, coll.
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<date value="2015-02-23">23/02/2015</date>
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, EBS,
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<geoCoordinate degrees="12.57133" direction="north" orientation="latitude" precision="1" value="12.57133">12.57133</geoCoordinate>
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,
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<geoCoordinate degrees="116.6105" direction="west" orientation="longitude" precision="5" value="-116.6105">-116.6105</geoCoordinate>
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,
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<quantity metricMagnitude="3" metricUnit="m" metricValue="4.198" unit="m" value="4198.0">4198 m</quantity>
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, UK-1, http://data.nhm.ac.uk/object/05dfb32c-fc3a-4028-bf09-3eb840175661; NHM_1134 (
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<typeStatus>paratype</typeStatus>
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), NHMUK ANEA 2022.662, coll.
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<date value="2015-02-26">26/02/2015</date>
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, EBS,
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<geoCoordinate degrees="12.1155" direction="north" orientation="latitude" precision="5" value="12.1155">12.1155</geoCoordinate>
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,
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<geoCoordinate degrees="117.1645" direction="west" orientation="longitude" precision="5" value="-117.1645">-117.1645</geoCoordinate>
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,
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<quantity metricMagnitude="3" metricUnit="m" metricValue="4.1" unit="m" value="4100.0">4100 m</quantity>
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, OMS, http://data.nhm.ac.uk/object/00590d2b-f952-4c69-8bc2-ac2a408da17a; NHM_1514, NHMUK ANEA 2022.663, coll.
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<date value="2015-03-05">05/03/2015</date>
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, EBS,
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<geoCoordinate degrees="12.51316667" direction="north" orientation="latitude" precision="1" value="12.513166">12.51316667</geoCoordinate>
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,
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<geoCoordinate degrees="116.491333" direction="west" orientation="longitude" precision="1" value="-116.49133">-116.491333</geoCoordinate>
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,
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<quantity metricMagnitude="3" metricUnit="m" metricValue="4.252" unit="m" value="4252.0">4252 m</quantity>
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, UK-1, http://data.nhm.ac.uk/object/96cb7b69-c0ea-4559-9b57-3abe6af4a4c7; NHM_2391 (
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<typeStatus>holotype</typeStatus>
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), NHMUK ANEA 2022.664, coll.
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<date value="2015-02-20">20/02/2015</date>
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, EBS,
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<geoCoordinate degrees="12.53717" direction="north" orientation="latitude" precision="1" value="12.53717">12.53717</geoCoordinate>
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,
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<geoCoordinate degrees="116.60417" direction="west" orientation="longitude" precision="1" value="-116.60417">-116.60417</geoCoordinate>
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,
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<quantity metricMagnitude="3" metricUnit="m" metricValue="4.425" unit="m" value="4425.0">4425 m</quantity>
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, UK-1, http://data.nhm.ac.uk/object/1ce8325f-74de-47de-a776-2dc50b8d69ae; NHM_4975, NHMUK ANEA 2022.665, coll.
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<date value="2020-10-28">28/10/2020</date>
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, box core,
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<geoCoordinate degrees="11.013923" direction="north" orientation="latitude" precision="1" value="11.013923">11.013923</geoCoordinate>
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,
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<geoCoordinate degrees="116.258737" direction="west" orientation="longitude" precision="1" value="-116.258736">-116.258737</geoCoordinate>
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,
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<quantity metricMagnitude="3" metricUnit="m" metricValue="4.234" unit="m" value="4234.0">4234 m</quantity>
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, NORI-D, http://data.nhm.ac.uk/object/677b7d67-d9cc-4ebd-8d79-cf5da5dc40da; NHM_6087, NHMUK ANEA 2022.666, coll.
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<date value="2020-11-14">14/11/2020</date>
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, box core,
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<geoCoordinate degrees="10.647709" direction="north" orientation="latitude" precision="1" value="10.647709">10.647709</geoCoordinate>
|
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,
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<geoCoordinate degrees="117.226887" direction="west" orientation="longitude" precision="1" value="-117.22689">-117.226887</geoCoordinate>
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,
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<quantity metricMagnitude="3" metricUnit="m" metricValue="4.183" unit="m" value="4183.0">4183 m</quantity>
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, NORI-D, http://data.nhm.ac.uk/object/eebfaecd-5ee2-49d6-be73-51eb91678487; NHM_5802, NHMUK ANEA 2022.667, coll.
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<date value="2020-10-11">11/10/2020</date>
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, box core,
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<geoCoordinate degrees="10.475094" direction="north" orientation="latitude" precision="1" value="10.475094">10.475094</geoCoordinate>
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,
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<geoCoordinate degrees="117.384872" direction="west" orientation="longitude" precision="1" value="-117.38487">-117.384872</geoCoordinate>
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,
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<quantity metricMagnitude="3" metricUnit="m" metricValue="4.306" unit="m" value="4306.0">4306 m</quantity>
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, NORI-D, http://data.nhm.ac.uk/object/c0e408e3-91e7-408f-aaef-3be86507105a; NHM_5057, NHMUK ANEA 2022.668, coll.
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<date value="2020-10-30">30/10/2020</date>
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, box core,
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<geoCoordinate degrees="10.929036" direction="north" orientation="latitude" precision="1" value="10.929036">10.929036</geoCoordinate>
|
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,
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|
<geoCoordinate degrees="116.26351" direction="west" orientation="longitude" precision="1" value="-116.26351">-116.26351</geoCoordinate>
|
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,
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|
<quantity metricMagnitude="3" metricUnit="m" metricValue="4.262" unit="m" value="4262.0">4262 m</quantity>
|
|
, NORI-D, http://data.nhm.ac.uk/object/d92b1574-eccb-443c-a15d-b79357360b59; NHM_7235, NHMUK ANEA 2022.669, coll.
|
|
<date value="2021-05-14">14/05/2021</date>
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, box core,
|
|
<geoCoordinate degrees="10.3773" direction="north" orientation="latitude" precision="5" value="10.3773">10.3773</geoCoordinate>
|
|
,
|
|
<geoCoordinate degrees="117.1558" direction="west" orientation="longitude" precision="5" value="-117.1558">-117.1558</geoCoordinate>
|
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,
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|
<quantity metricMagnitude="3" metricUnit="m" metricValue="4.302" unit="m" value="4302.0">4302 m</quantity>
|
|
, NORI-D, http://data.nhm.ac.uk/object/55637dc0-f9b9-4586-9bfb-7a821c785279; NHM_2908, NHMUK ANEA 2022.670, coll.
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<date value="2015-02-20">20/02/2015</date>
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|
, EBS,
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|
<geoCoordinate degrees="12.53717" direction="north" orientation="latitude" precision="1" value="12.53717">12.53717</geoCoordinate>
|
|
,
|
|
<geoCoordinate degrees="116.60417" direction="west" orientation="longitude" precision="1" value="-116.60417">-116.60417</geoCoordinate>
|
|
,
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|
<quantity metricMagnitude="3" metricUnit="m" metricValue="4.425" unit="m" value="4425.0">4425 m</quantity>
|
|
, UK-1, http://data.nhm.ac.uk/object/fba3fab7-ae4b-4415-a73c-a2ba6cd44601.
|
|
</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="33" type="diagnosis">
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<paragraph pageId="0" pageNumber="33">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="33">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="33">Holotype</emphasis>
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(NHMUK ANEA.2022.664) complete (except for tissue sampled for DNA), 4.2 mm long and 1.1 mm wide without chaetae for 15 chaetigers (Fig.
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Euphrosinella georgievae sp. nov. (holotype, NHMUK ANEA 2022.664) A preserved specimen in lateral views B specimen stained with Shirlastain in lateral view C, D detail of anterior end and prostomium with palps (P), lateral antennae (La), median antenna (Ma), caruncle (Car) and first chaetiger - dorsal cirrus (Dc), lateral cirrus (Lc) and ventral cirrus (Vc) marked by arrows E, F midbody chaetigers in dorsal view with branchiae (Br), dorsal (Dc) and lateral cirri (Lc) marked by arrows G pygidium in distal view. Scale bars: 1 mm. Abbreviations: Ma - median antenna, La - lateral antennae, P - palps, Vc - ventral cirrus, Lc - lateral cirrus, Dc - dorsal cirrus, Car - caruncle, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure13" httpUri="https://binary.pensoft.net/fig/786213" pageId="0" pageNumber="33">13A</figureCitation>
|
|
).
|
|
<emphasis bold="true" italics="true" pageId="0" pageNumber="33">Paratype</emphasis>
|
|
(NHMUK ANEA.2022.662) complete (except for tissue sampled for DNA), with 13 chaetigers (Fig.
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Euphrosinella georgievae sp. nov. (paratype NHMUK ANEA. 2022.662) A preserved specimen in dorsolateral view B specimen stained with Shirlastain, in dorsolateral view C detail of anterior end in dorsolateral view D detail of prostomium, with palps and lateral antennae E dorsal view of midbody chaetigers, showing branchiae and dorsal cirri F detail of pygidium in distal view. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1137.86150.figure14" httpUri="https://binary.pensoft.net/fig/786214" pageId="0" pageNumber="33">14A</figureCitation>
|
|
). Body short, oval, flattened, pale yellow in alcohol (Figs
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Euphrosinella georgievae sp. nov. (holotype, NHMUK ANEA 2022.664) A preserved specimen in lateral views B specimen stained with Shirlastain in lateral view C, D detail of anterior end and prostomium with palps (P), lateral antennae (La), median antenna (Ma), caruncle (Car) and first chaetiger - dorsal cirrus (Dc), lateral cirrus (Lc) and ventral cirrus (Vc) marked by arrows E, F midbody chaetigers in dorsal view with branchiae (Br), dorsal (Dc) and lateral cirri (Lc) marked by arrows G pygidium in distal view. Scale bars: 1 mm. Abbreviations: Ma - median antenna, La - lateral antennae, P - palps, Vc - ventral cirrus, Lc - lateral cirrus, Dc - dorsal cirrus, Car - caruncle, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure13" httpUri="https://binary.pensoft.net/fig/786213" pageId="0" pageNumber="33">13A</figureCitation>
|
|
,
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Euphrosinella georgievae sp. nov. (paratype NHMUK ANEA. 2022.662) A preserved specimen in dorsolateral view B specimen stained with Shirlastain, in dorsolateral view C detail of anterior end in dorsolateral view D detail of prostomium, with palps and lateral antennae E dorsal view of midbody chaetigers, showing branchiae and dorsal cirri F detail of pygidium in distal view. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1137.86150.figure14" httpUri="https://binary.pensoft.net/fig/786214" pageId="0" pageNumber="33">14A</figureCitation>
|
|
). Prostomium longer than wide, with five prostomial appendages (Fig.
|
|
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Diagrammatic representation of prostomial (A-C) and parapodial appendages from mid-body chaetigers (D, E) of CCZ-collected Euphrosinidae species (relative lengths preserved, but not drawn to scale) A Euphrosinella georgievae sp. nov. B Euphrosinopsis ahearni sp. nov. C Euphrosinopsis halli sp. nov. D Euphrosinella georgievae sp. nov. E Euphrosinopsis ahearni sp. nov. F Euphrosinopsis halli sp. nov. Abbreviations: P - palps, La - lateral antennae, Ma - median antenna, Car - caruncle, E - eyes, DC - dorsal cirrus, LC - lateral cirrus, VC - ventral cirrus, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure15" httpUri="https://binary.pensoft.net/fig/786215" pageId="0" pageNumber="33">15A</figureCitation>
|
|
). Pair of short slender palps (Figs
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Euphrosinella georgievae sp. nov. (holotype, NHMUK ANEA 2022.664) A preserved specimen in lateral views B specimen stained with Shirlastain in lateral view C, D detail of anterior end and prostomium with palps (P), lateral antennae (La), median antenna (Ma), caruncle (Car) and first chaetiger - dorsal cirrus (Dc), lateral cirrus (Lc) and ventral cirrus (Vc) marked by arrows E, F midbody chaetigers in dorsal view with branchiae (Br), dorsal (Dc) and lateral cirri (Lc) marked by arrows G pygidium in distal view. Scale bars: 1 mm. Abbreviations: Ma - median antenna, La - lateral antennae, P - palps, Vc - ventral cirrus, Lc - lateral cirrus, Dc - dorsal cirrus, Car - caruncle, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure13" httpUri="https://binary.pensoft.net/fig/786213" pageId="0" pageNumber="33">13C</figureCitation>
|
|
,
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Euphrosinella georgievae sp. nov. (paratype NHMUK ANEA. 2022.662) A preserved specimen in dorsolateral view B specimen stained with Shirlastain, in dorsolateral view C detail of anterior end in dorsolateral view D detail of prostomium, with palps and lateral antennae E dorsal view of midbody chaetigers, showing branchiae and dorsal cirri F detail of pygidium in distal view. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1137.86150.figure14" httpUri="https://binary.pensoft.net/fig/786214" pageId="0" pageNumber="33">14C, D</figureCitation>
|
|
); pair of slender lateral antenna (Figs
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Euphrosinella georgievae sp. nov. (holotype, NHMUK ANEA 2022.664) A preserved specimen in lateral views B specimen stained with Shirlastain in lateral view C, D detail of anterior end and prostomium with palps (P), lateral antennae (La), median antenna (Ma), caruncle (Car) and first chaetiger - dorsal cirrus (Dc), lateral cirrus (Lc) and ventral cirrus (Vc) marked by arrows E, F midbody chaetigers in dorsal view with branchiae (Br), dorsal (Dc) and lateral cirri (Lc) marked by arrows G pygidium in distal view. Scale bars: 1 mm. Abbreviations: Ma - median antenna, La - lateral antennae, P - palps, Vc - ventral cirrus, Lc - lateral cirrus, Dc - dorsal cirrus, Car - caruncle, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure13" httpUri="https://binary.pensoft.net/fig/786213" pageId="0" pageNumber="33">13C</figureCitation>
|
|
,
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Euphrosinella georgievae sp. nov. (paratype NHMUK ANEA. 2022.662) A preserved specimen in dorsolateral view B specimen stained with Shirlastain, in dorsolateral view C detail of anterior end in dorsolateral view D detail of prostomium, with palps and lateral antennae E dorsal view of midbody chaetigers, showing branchiae and dorsal cirri F detail of pygidium in distal view. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1137.86150.figure14" httpUri="https://binary.pensoft.net/fig/786214" pageId="0" pageNumber="33">14C, D</figureCitation>
|
|
); median antenna of caruncle with long thick ceratophore and slender cirrus only slightly longer than caruncle (Fig.
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Euphrosinella georgievae sp. nov. (holotype, NHMUK ANEA 2022.664) A preserved specimen in lateral views B specimen stained with Shirlastain in lateral view C, D detail of anterior end and prostomium with palps (P), lateral antennae (La), median antenna (Ma), caruncle (Car) and first chaetiger - dorsal cirrus (Dc), lateral cirrus (Lc) and ventral cirrus (Vc) marked by arrows E, F midbody chaetigers in dorsal view with branchiae (Br), dorsal (Dc) and lateral cirri (Lc) marked by arrows G pygidium in distal view. Scale bars: 1 mm. Abbreviations: Ma - median antenna, La - lateral antennae, P - palps, Vc - ventral cirrus, Lc - lateral cirrus, Dc - dorsal cirrus, Car - caruncle, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure13" httpUri="https://binary.pensoft.net/fig/786213" pageId="0" pageNumber="33">13C</figureCitation>
|
|
). Caruncle as oval lobe reaching to anterior margin of chaetiger 4, mostly free of body wall, with median keel and two pairs of lateral ridges, with median keel slightly thicker than the lateral ones (Fig.
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Euphrosinella georgievae sp. nov. (holotype, NHMUK ANEA 2022.664) A preserved specimen in lateral views B specimen stained with Shirlastain in lateral view C, D detail of anterior end and prostomium with palps (P), lateral antennae (La), median antenna (Ma), caruncle (Car) and first chaetiger - dorsal cirrus (Dc), lateral cirrus (Lc) and ventral cirrus (Vc) marked by arrows E, F midbody chaetigers in dorsal view with branchiae (Br), dorsal (Dc) and lateral cirri (Lc) marked by arrows G pygidium in distal view. Scale bars: 1 mm. Abbreviations: Ma - median antenna, La - lateral antennae, P - palps, Vc - ventral cirrus, Lc - lateral cirrus, Dc - dorsal cirrus, Car - caruncle, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure13" httpUri="https://binary.pensoft.net/fig/786213" pageId="0" pageNumber="33">13C, D</figureCitation>
|
|
). Eyes not observed.
|
|
</paragraph>
|
|
<caption doi="10.3897/zookeys.1137.86150.figure13" httpUri="https://binary.pensoft.net/fig/786213" pageId="0" pageNumber="33" start="Figure 13" startId="F13">
|
|
<paragraph pageId="0" pageNumber="33">
|
|
<emphasis bold="true" pageId="0" pageNumber="33">Figure 13.</emphasis>
|
|
<taxonomicName authorityName="Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover" authorityYear="2022" class="Polychaeta" family="Amphinomidae" genus="Euphrosinella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinella georgievae" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="georgievae">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinella georgievae</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. (holotype, NHMUK ANEA 2022.664)
|
|
<emphasis bold="true" pageId="0" pageNumber="33">A</emphasis>
|
|
preserved specimen in lateral views
|
|
<emphasis bold="true" pageId="0" pageNumber="33">B</emphasis>
|
|
specimen stained with Shirlastain in lateral view
|
|
<emphasis bold="true" pageId="0" pageNumber="33">C, D</emphasis>
|
|
detail of anterior end and prostomium with palps (P), lateral antennae (La), median antenna (Ma), caruncle (Car) and first chaetiger - dorsal cirrus (Dc), lateral cirrus (Lc) and ventral cirrus (Vc) marked by arrows
|
|
<emphasis bold="true" pageId="0" pageNumber="33">E, F</emphasis>
|
|
midbody chaetigers in dorsal view with branchiae (Br), dorsal (Dc) and lateral cirri (Lc) marked by arrows
|
|
<emphasis bold="true" pageId="0" pageNumber="33">G</emphasis>
|
|
pygidium in distal view. Scale bars: 1 mm. Abbreviations: Ma - median antenna, La - lateral antennae, P - palps, Vc - ventral cirrus, Lc - lateral cirrus, Dc - dorsal cirrus, Car - caruncle, Br - branchiae.
|
|
</paragraph>
|
|
</caption>
|
|
<caption doi="10.3897/zookeys.1137.86150.figure14" httpUri="https://binary.pensoft.net/fig/786214" pageId="0" pageNumber="33" start="Figure 14" startId="F14">
|
|
<paragraph pageId="0" pageNumber="33">
|
|
<emphasis bold="true" pageId="0" pageNumber="33">Figure 14.</emphasis>
|
|
<taxonomicName authorityName="Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover" authorityYear="2022" class="Polychaeta" family="Amphinomidae" genus="Euphrosinella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinella georgievae" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="georgievae">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinella georgievae</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. (paratype NHMUK ANEA.2022.662)
|
|
<emphasis bold="true" pageId="0" pageNumber="33">A</emphasis>
|
|
preserved specimen in dorsolateral view
|
|
<emphasis bold="true" pageId="0" pageNumber="33">B</emphasis>
|
|
specimen stained with Shirlastain, in dorsolateral view
|
|
<emphasis bold="true" pageId="0" pageNumber="33">C</emphasis>
|
|
detail of anterior end in dorsolateral view
|
|
<emphasis bold="true" pageId="0" pageNumber="33">D</emphasis>
|
|
detail of prostomium, with palps and lateral antennae
|
|
<emphasis bold="true" pageId="0" pageNumber="33">E</emphasis>
|
|
dorsal view of midbody chaetigers, showing branchiae and dorsal cirri
|
|
<emphasis bold="true" pageId="0" pageNumber="33">F</emphasis>
|
|
detail of pygidium in distal view. Scale bars: 1 mm.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph pageId="0" pageNumber="33">
|
|
Parapodia biramous, two rami well separated. Parapodia of chaetiger 1 well developed, not reduced, with dorsal, lateral, and ventral cirri (Fig.
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Euphrosinella georgievae sp. nov. (holotype, NHMUK ANEA 2022.664) A preserved specimen in lateral views B specimen stained with Shirlastain in lateral view C, D detail of anterior end and prostomium with palps (P), lateral antennae (La), median antenna (Ma), caruncle (Car) and first chaetiger - dorsal cirrus (Dc), lateral cirrus (Lc) and ventral cirrus (Vc) marked by arrows E, F midbody chaetigers in dorsal view with branchiae (Br), dorsal (Dc) and lateral cirri (Lc) marked by arrows G pygidium in distal view. Scale bars: 1 mm. Abbreviations: Ma - median antenna, La - lateral antennae, P - palps, Vc - ventral cirrus, Lc - lateral cirrus, Dc - dorsal cirrus, Car - caruncle, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure13" httpUri="https://binary.pensoft.net/fig/786213" pageId="0" pageNumber="33">13C</figureCitation>
|
|
). Parapodial appendages of subsequent chaetigers in the following dorsoventral order: dorsal cirrus, branchia, lateral cirrus, ventral cirrus (Fig.
|
|
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Diagrammatic representation of prostomial (A-C) and parapodial appendages from mid-body chaetigers (D, E) of CCZ-collected Euphrosinidae species (relative lengths preserved, but not drawn to scale) A Euphrosinella georgievae sp. nov. B Euphrosinopsis ahearni sp. nov. C Euphrosinopsis halli sp. nov. D Euphrosinella georgievae sp. nov. E Euphrosinopsis ahearni sp. nov. F Euphrosinopsis halli sp. nov. Abbreviations: P - palps, La - lateral antennae, Ma - median antenna, Car - caruncle, E - eyes, DC - dorsal cirrus, LC - lateral cirrus, VC - ventral cirrus, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure15" httpUri="https://binary.pensoft.net/fig/786215" pageId="0" pageNumber="33">15C</figureCitation>
|
|
). All cirri as single filaments of various length and thickness with dorsal cirrus longest (extending over three chaetigers in midbody) (Figs
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Euphrosinella georgievae sp. nov. (holotype, NHMUK ANEA 2022.664) A preserved specimen in lateral views B specimen stained with Shirlastain in lateral view C, D detail of anterior end and prostomium with palps (P), lateral antennae (La), median antenna (Ma), caruncle (Car) and first chaetiger - dorsal cirrus (Dc), lateral cirrus (Lc) and ventral cirrus (Vc) marked by arrows E, F midbody chaetigers in dorsal view with branchiae (Br), dorsal (Dc) and lateral cirri (Lc) marked by arrows G pygidium in distal view. Scale bars: 1 mm. Abbreviations: Ma - median antenna, La - lateral antennae, P - palps, Vc - ventral cirrus, Lc - lateral cirrus, Dc - dorsal cirrus, Car - caruncle, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure13" httpUri="https://binary.pensoft.net/fig/786213" pageId="0" pageNumber="33">13E</figureCitation>
|
|
,
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Euphrosinella georgievae sp. nov. (paratype NHMUK ANEA. 2022.662) A preserved specimen in dorsolateral view B specimen stained with Shirlastain, in dorsolateral view C detail of anterior end in dorsolateral view D detail of prostomium, with palps and lateral antennae E dorsal view of midbody chaetigers, showing branchiae and dorsal cirri F detail of pygidium in distal view. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1137.86150.figure14" httpUri="https://binary.pensoft.net/fig/786214" pageId="0" pageNumber="33">14E</figureCitation>
|
|
); lateral cirrus shorter and more stout inserted in the middle of notochaetal bundle (Fig.
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Euphrosinella georgievae sp. nov. (holotype, NHMUK ANEA 2022.664) A preserved specimen in lateral views B specimen stained with Shirlastain in lateral view C, D detail of anterior end and prostomium with palps (P), lateral antennae (La), median antenna (Ma), caruncle (Car) and first chaetiger - dorsal cirrus (Dc), lateral cirrus (Lc) and ventral cirrus (Vc) marked by arrows E, F midbody chaetigers in dorsal view with branchiae (Br), dorsal (Dc) and lateral cirri (Lc) marked by arrows G pygidium in distal view. Scale bars: 1 mm. Abbreviations: Ma - median antenna, La - lateral antennae, P - palps, Vc - ventral cirrus, Lc - lateral cirrus, Dc - dorsal cirrus, Car - caruncle, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure13" httpUri="https://binary.pensoft.net/fig/786213" pageId="0" pageNumber="33">13E, F</figureCitation>
|
|
); ventral cirrus slightly shorter than lateral cirrus, slender. Branchia one per chaetiger, simple (unbranched) cirrus, inserted laterally to dorsal cirrus, very short (ca.
|
|
<normalizedToken originalValue="½">1/2</normalizedToken>
|
|
the length of mid body chaetiger) (Figs
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Euphrosinella georgievae sp. nov. (holotype, NHMUK ANEA 2022.664) A preserved specimen in lateral views B specimen stained with Shirlastain in lateral view C, D detail of anterior end and prostomium with palps (P), lateral antennae (La), median antenna (Ma), caruncle (Car) and first chaetiger - dorsal cirrus (Dc), lateral cirrus (Lc) and ventral cirrus (Vc) marked by arrows E, F midbody chaetigers in dorsal view with branchiae (Br), dorsal (Dc) and lateral cirri (Lc) marked by arrows G pygidium in distal view. Scale bars: 1 mm. Abbreviations: Ma - median antenna, La - lateral antennae, P - palps, Vc - ventral cirrus, Lc - lateral cirrus, Dc - dorsal cirrus, Car - caruncle, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure13" httpUri="https://binary.pensoft.net/fig/786213" pageId="0" pageNumber="33">13E, F</figureCitation>
|
|
,
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Euphrosinella georgievae sp. nov. (paratype NHMUK ANEA. 2022.662) A preserved specimen in dorsolateral view B specimen stained with Shirlastain, in dorsolateral view C detail of anterior end in dorsolateral view D detail of prostomium, with palps and lateral antennae E dorsal view of midbody chaetigers, showing branchiae and dorsal cirri F detail of pygidium in distal view. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1137.86150.figure14" httpUri="https://binary.pensoft.net/fig/786214" pageId="0" pageNumber="33">14E</figureCitation>
|
|
,
|
|
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Diagrammatic representation of prostomial (A-C) and parapodial appendages from mid-body chaetigers (D, E) of CCZ-collected Euphrosinidae species (relative lengths preserved, but not drawn to scale) A Euphrosinella georgievae sp. nov. B Euphrosinopsis ahearni sp. nov. C Euphrosinopsis halli sp. nov. D Euphrosinella georgievae sp. nov. E Euphrosinopsis ahearni sp. nov. F Euphrosinopsis halli sp. nov. Abbreviations: P - palps, La - lateral antennae, Ma - median antenna, Car - caruncle, E - eyes, DC - dorsal cirrus, LC - lateral cirrus, VC - ventral cirrus, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure15" httpUri="https://binary.pensoft.net/fig/786215" pageId="0" pageNumber="33">15C</figureCitation>
|
|
).
|
|
</paragraph>
|
|
<caption doi="10.3897/zookeys.1137.86150.figure15" httpUri="https://binary.pensoft.net/fig/786215" pageId="0" pageNumber="33" start="Figure 15" startId="F15">
|
|
<paragraph pageId="0" pageNumber="33">
|
|
<emphasis bold="true" pageId="0" pageNumber="33">Figure 15.</emphasis>
|
|
Diagrammatic representation of prostomial (
|
|
<emphasis bold="true" pageId="0" pageNumber="33">A-C</emphasis>
|
|
) and parapodial appendages from mid-body chaetigers (
|
|
<emphasis bold="true" pageId="0" pageNumber="33">D, E</emphasis>
|
|
) of CCZ-collected
|
|
<taxonomicName class="Polychaeta" family="Euphrosinidae" kingdom="Animalia" lsidName="" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="family">Euphrosinidae</taxonomicName>
|
|
species (relative lengths preserved, but not drawn to scale)
|
|
<emphasis bold="true" pageId="0" pageNumber="33">A</emphasis>
|
|
<taxonomicName authorityName="Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover" authorityYear="2022" class="Polychaeta" family="Amphinomidae" genus="Euphrosinella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinella georgievae" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="georgievae">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinella georgievae</emphasis>
|
|
</taxonomicName>
|
|
sp. nov.
|
|
<emphasis bold="true" pageId="0" pageNumber="33">B</emphasis>
|
|
<taxonomicName authorityName="Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover" authorityYear="2022" class="Polychaeta" family="Euphrosinidae" genus="Euphrosinopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinopsis ahearni" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="ahearni">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinopsis ahearni</emphasis>
|
|
</taxonomicName>
|
|
sp. nov.
|
|
<emphasis bold="true" pageId="0" pageNumber="33">C</emphasis>
|
|
<taxonomicName authorityName="Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover" authorityYear="2022" class="Polychaeta" family="Euphrosinidae" genus="Euphrosinopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinopsis halli" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="halli">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinopsis halli</emphasis>
|
|
</taxonomicName>
|
|
sp. nov.
|
|
<emphasis bold="true" pageId="0" pageNumber="33">D</emphasis>
|
|
<taxonomicName authorityName="Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover" authorityYear="2022" class="Polychaeta" family="Amphinomidae" genus="Euphrosinella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinella georgievae" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="georgievae">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinella georgievae</emphasis>
|
|
</taxonomicName>
|
|
sp. nov.
|
|
<emphasis bold="true" pageId="0" pageNumber="33">E</emphasis>
|
|
<taxonomicName authorityName="Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover" authorityYear="2022" class="Polychaeta" family="Euphrosinidae" genus="Euphrosinopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinopsis ahearni" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="ahearni">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinopsis ahearni</emphasis>
|
|
</taxonomicName>
|
|
sp. nov.
|
|
<emphasis bold="true" pageId="0" pageNumber="33">F</emphasis>
|
|
<taxonomicName authorityName="Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover" authorityYear="2022" class="Polychaeta" family="Euphrosinidae" genus="Euphrosinopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinopsis halli" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="halli">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinopsis halli</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. Abbreviations: P - palps, La - lateral antennae, Ma - median antenna, Car - caruncle, E - eyes, DC - dorsal cirrus, LC - lateral cirrus, VC - ventral cirrus, Br - branchiae.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph pageId="0" pageNumber="33">
|
|
All chaetae well developed, but prone to breakage, all bifurcate (Fig.
|
|
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Euphrosinella georgievae sp. nov. (specimen NHMUK ANEA. 2022.658) A mid body parapodium B notochaeta from anterior tier C notochaeta from mid-tier D notochaeta from posterior tier, detail of serration (insert) E-G examples of neurochaetae. Scale bars: 100 µm (A, B, E); 200 µm (C); 250 µm (D); 50 µm (F, G)." figureDoi="10.3897/zookeys.1137.86150.figure16" httpUri="https://binary.pensoft.net/fig/786216" pageId="0" pageNumber="33">16A</figureCitation>
|
|
). Notochaetae in approximately three tiers; differing mainly in their length and thickness with notochaetae of mid tear longest and thickest (Fig.
|
|
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Euphrosinella georgievae sp. nov. (specimen NHMUK ANEA. 2022.658) A mid body parapodium B notochaeta from anterior tier C notochaeta from mid-tier D notochaeta from posterior tier, detail of serration (insert) E-G examples of neurochaetae. Scale bars: 100 µm (A, B, E); 200 µm (C); 250 µm (D); 50 µm (F, G)." figureDoi="10.3897/zookeys.1137.86150.figure16" httpUri="https://binary.pensoft.net/fig/786216" pageId="0" pageNumber="33">16B-E</figureCitation>
|
|
); prongs mostly smooth (Fig.
|
|
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Euphrosinella georgievae sp. nov. (specimen NHMUK ANEA. 2022.658) A mid body parapodium B notochaeta from anterior tier C notochaeta from mid-tier D notochaeta from posterior tier, detail of serration (insert) E-G examples of neurochaetae. Scale bars: 100 µm (A, B, E); 200 µm (C); 250 µm (D); 50 µm (F, G)." figureDoi="10.3897/zookeys.1137.86150.figure16" httpUri="https://binary.pensoft.net/fig/786216" pageId="0" pageNumber="33">16B, C, E</figureCitation>
|
|
) or few with very faint serration (Fig.
|
|
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Euphrosinella georgievae sp. nov. (specimen NHMUK ANEA. 2022.658) A mid body parapodium B notochaeta from anterior tier C notochaeta from mid-tier D notochaeta from posterior tier, detail of serration (insert) E-G examples of neurochaetae. Scale bars: 100 µm (A, B, E); 200 µm (C); 250 µm (D); 50 µm (F, G)." figureDoi="10.3897/zookeys.1137.86150.figure16" httpUri="https://binary.pensoft.net/fig/786216" pageId="0" pageNumber="33">16D</figureCitation>
|
|
); ratio of short to long prong in the short chaetae of anterior tier ranges from 1:3.5-4 (where possible to establish); in long chaetae of mid-tier ratio ranges from 1:4 to 1:5 (where possible to establish). Ringent notochaetae absent. Neurochaetae less numerous and thinner than notochaetae; all bifurcate, of varying lengths, prongs with noticeable serration (Fig.
|
|
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Euphrosinella georgievae sp. nov. (specimen NHMUK ANEA. 2022.658) A mid body parapodium B notochaeta from anterior tier C notochaeta from mid-tier D notochaeta from posterior tier, detail of serration (insert) E-G examples of neurochaetae. Scale bars: 100 µm (A, B, E); 200 µm (C); 250 µm (D); 50 µm (F, G)." figureDoi="10.3897/zookeys.1137.86150.figure16" httpUri="https://binary.pensoft.net/fig/786216" pageId="0" pageNumber="33">16F, G</figureCitation>
|
|
), few prongs appearing smooth. Pygidium with paired anal cirri, resembling cylindrical tube feet (Figs
|
|
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Euphrosinella georgievae sp. nov. (holotype, NHMUK ANEA 2022.664) A preserved specimen in lateral views B specimen stained with Shirlastain in lateral view C, D detail of anterior end and prostomium with palps (P), lateral antennae (La), median antenna (Ma), caruncle (Car) and first chaetiger - dorsal cirrus (Dc), lateral cirrus (Lc) and ventral cirrus (Vc) marked by arrows E, F midbody chaetigers in dorsal view with branchiae (Br), dorsal (Dc) and lateral cirri (Lc) marked by arrows G pygidium in distal view. Scale bars: 1 mm. Abbreviations: Ma - median antenna, La - lateral antennae, P - palps, Vc - ventral cirrus, Lc - lateral cirrus, Dc - dorsal cirrus, Car - caruncle, Br - branchiae." figureDoi="10.3897/zookeys.1137.86150.figure13" httpUri="https://binary.pensoft.net/fig/786213" pageId="0" pageNumber="33">13G</figureCitation>
|
|
,
|
|
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Euphrosinella georgievae sp. nov. (paratype NHMUK ANEA. 2022.662) A preserved specimen in dorsolateral view B specimen stained with Shirlastain, in dorsolateral view C detail of anterior end in dorsolateral view D detail of prostomium, with palps and lateral antennae E dorsal view of midbody chaetigers, showing branchiae and dorsal cirri F detail of pygidium in distal view. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1137.86150.figure14" httpUri="https://binary.pensoft.net/fig/786214" pageId="0" pageNumber="33">14B, F</figureCitation>
|
|
).
|
|
</paragraph>
|
|
<caption doi="10.3897/zookeys.1137.86150.figure16" httpUri="https://binary.pensoft.net/fig/786216" pageId="0" pageNumber="33" start="Figure 16" startId="F16">
|
|
<paragraph pageId="0" pageNumber="33">
|
|
<emphasis bold="true" pageId="0" pageNumber="33">Figure 16.</emphasis>
|
|
<taxonomicName authorityName="Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover" authorityYear="2022" class="Polychaeta" family="Amphinomidae" genus="Euphrosinella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinella georgievae" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="georgievae">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinella georgievae</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. (specimen NHMUK ANEA.2022.658)
|
|
<emphasis bold="true" pageId="0" pageNumber="33">A</emphasis>
|
|
mid body parapodium
|
|
<emphasis bold="true" pageId="0" pageNumber="33">B</emphasis>
|
|
notochaeta from anterior tier
|
|
<emphasis bold="true" pageId="0" pageNumber="33">C</emphasis>
|
|
notochaeta from mid-tier
|
|
<emphasis bold="true" pageId="0" pageNumber="33">D</emphasis>
|
|
notochaeta from posterior tier, detail of serration (insert)
|
|
<emphasis bold="true" pageId="0" pageNumber="33">E-G</emphasis>
|
|
examples of neurochaetae. Scale bars: 100
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="33">A, B, E</emphasis>
|
|
); 200
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="33">C</emphasis>
|
|
); 250
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="33">D</emphasis>
|
|
); 50
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="33">F, G</emphasis>
|
|
).
|
|
</paragraph>
|
|
</caption>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="33" type="molecular information">
|
|
<paragraph pageId="0" pageNumber="33">Molecular information.</paragraph>
|
|
<paragraph pageId="0" pageNumber="33">
|
|
One specimen, NHMUK ANEA.2022.658, was sequenced for 16S and 18S genes, while the 13 additional specimens were sequenced for 16S only (Table
|
|
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. List of taxa presented in this paper - family, DNA taxonomy ID (a species-level identification based on combined DNA and morphological evidence), cruise record number, GUID (Global Unique Identifier link to data record at http: // data. nhm. ac. uk), NHMUK registration number (NHMUK), Molecular Collection facility (MCf) sample ID number (MCF no.) and NCBI GenBank accession numbers (COI / 16 S / 18 S AK no.) for successfully sequenced genetic markers. GenBank numbers for phylogenetic analysis data downloaded from GenBank are presented in Suppl. material 1." httpUri="http://table.plazi.org/id/975BF9BB1DC46F3BF5AFB3BB09D145F3" pageId="0" pageNumber="33" tableUuid="975BF9BB1DC46F3BF5AFB3BB09D145F3">1</tableCitation>
|
|
). There were no identical sequences for 16S on GenBank. In the phylogenetic tree this species falls as a sister taxon to
|
|
<taxonomicName baseAuthorityName="Averincev" baseAuthorityYear="1972" class="Polychaeta" family="Amphinomidae" genus="Euphrosinella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinella cirratoformis" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="cirratoformis">Euphrosinella cf. cirratoformis</taxonomicName>
|
|
from Antarctica (Fig.
|
|
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Majority-rule consensus trees from the Bayesian analyses with posterior probability values on nodes. Taxon names highlighted in blue are news species or new sequences for already known species. A Amphinomidae phylogenetic tree using a combined datasets for COI, 16 S, and 18 S with 26 terminal taxa of which Euphrosine foliosa (Euphrosinidae) was used as a root B Euphrosinidae phylogenetic tree using a combined datasets for 16 S and 18 S with nine terminal taxa of which Paramphinome jeffreysii (Amphinomidae) was used as a root." figureDoi="10.3897/zookeys.1137.86150.figure5" httpUri="https://binary.pensoft.net/fig/786205" pageId="0" pageNumber="33">5B</figureCitation>
|
|
).
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="33" type="remarks">
|
|
<paragraph pageId="0" pageNumber="33">Remarks.</paragraph>
|
|
<paragraph pageId="0" pageNumber="33">
|
|
<taxonomicName authorityName="Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover" authorityYear="2022" class="Polychaeta" family="Amphinomidae" genus="Euphrosinella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinella georgievae" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="georgievae">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinella georgievae</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. is consistent with the genus
|
|
<taxonomicName authorityName="Detinova" authorityYear="1985" class="Polychaeta" family="Amphinomidae" genus="Euphrosinella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinella" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinella</emphasis>
|
|
</taxonomicName>
|
|
in having five prostomial appendages, caruncle mostly free from body wall and absence of ringent chaetae. Only two valid species in
|
|
<taxonomicName authorityName="Detinova" authorityYear="1985" class="Polychaeta" family="Amphinomidae" genus="Euphrosinella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinella" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinella</emphasis>
|
|
</taxonomicName>
|
|
are currently known as mentioned earlier. A known Pacific species
|
|
<taxonomicName baseAuthorityName="Hartman" baseAuthorityYear="1960" class="Polychaeta" family="Amphinomidae" genus="Euphrosinella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinella paucibranchiata" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="paucibranchiata">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinella paucibranchiata</emphasis>
|
|
</taxonomicName>
|
|
can be distinguished by having some branchiae branched, as well as much shallower depth distribution of 1737 m in Santa Cruz Basin.
|
|
<taxonomicName authorityName="Neal & Wiklund & Gunton & Rabone & Bribiesca-Contreras & Dahlgren & Glover" authorityYear="2022" class="Polychaeta" family="Amphinomidae" genus="Euphrosinella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinella georgievae" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="georgievae">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">Euphrosinella georgievae</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. is more similar to the Antarctic species
|
|
<taxonomicName class="Polychaeta" kingdom="Animalia" lsidName="E. cirratoformis" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="cirratoformis">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">E. cirratoformis</emphasis>
|
|
</taxonomicName>
|
|
in having simple unbranched branchiae. The species also share a similar form and length of caruncle and median antenna. However, the two species differ in the following characters: 1. The presence of two pairs of eyes in the Antarctic species, while CCZ specimens are eyeless; 2. Notochaetae arranged in 3 tiers in new species, rather than 2 tiers in the known species and 3. Branchiae are not developed on first chaetiger in
|
|
<taxonomicName class="Polychaeta" kingdom="Animalia" lsidName="E. georgievae" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="georgievae">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">E. georgievae</emphasis>
|
|
</taxonomicName>
|
|
sp. nov., whilst they are present in
|
|
<taxonomicName class="Polychaeta" kingdom="Animalia" lsidName="E. cirratoformis" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="cirratoformis">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">E. cirratoformis</emphasis>
|
|
</taxonomicName>
|
|
. As further evidence, the molecular data suggest that Antarctic specimens identified in a previous study as
|
|
<taxonomicName baseAuthorityName="Averincev" baseAuthorityYear="1972" class="Polychaeta" family="Amphinomidae" genus="Euphrosinella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euphrosinella cirratoformis" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="cirratoformis">Euphrosinella cf. cirratoformis</taxonomicName>
|
|
(see
|
|
<bibRefCitation DOI="https://doi.org/10.1098/rsos.160432" author="Brasier, MJ" journalOrPublisher="Royal Society Open Science" pageId="0" pageNumber="33" pagination=": 160432" refId="B20" refString="Brasier, MJ, Wiklund, H, Neal, L, Jeffreys, R, Linse, K, Ruhl, H, Glover, AG, 2016. DNA barcoding uncovers cryptic diversity in 50% of deep-sea Antarctic polychaetes. Royal Society Open Science 3 (11): 160432, DOI: https://doi.org/10.1098/rsos.160432" title="DNA barcoding uncovers cryptic diversity in 50 % of deep-sea Antarctic polychaetes." url="https://doi.org/10.1098/rsos.160432" volume="3" year="2016">Brasier et al. 2016</bibRefCitation>
|
|
) are different to the specimens of
|
|
<taxonomicName class="Polychaeta" kingdom="Animalia" lsidName="E. georgievae" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="georgievae">
|
|
<emphasis italics="true" pageId="0" pageNumber="33">E. georgievae</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. (Fig.
|
|
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Majority-rule consensus trees from the Bayesian analyses with posterior probability values on nodes. Taxon names highlighted in blue are news species or new sequences for already known species. A Amphinomidae phylogenetic tree using a combined datasets for COI, 16 S, and 18 S with 26 terminal taxa of which Euphrosine foliosa (Euphrosinidae) was used as a root B Euphrosinidae phylogenetic tree using a combined datasets for 16 S and 18 S with nine terminal taxa of which Paramphinome jeffreysii (Amphinomidae) was used as a root." figureDoi="10.3897/zookeys.1137.86150.figure5" httpUri="https://binary.pensoft.net/fig/786205" pageId="0" pageNumber="33">5B</figureCitation>
|
|
).
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="33" type="distribution">
|
|
<paragraph pageId="0" pageNumber="33">Distribution.</paragraph>
|
|
<paragraph pageId="0" pageNumber="33">
|
|
Central Pacific Ocean, Eastern CCZ, the exploration areas UK-1, OMS, and NORI-D (Fig.
|
|
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Map of CCZ of exploration areas and areas of particular interest, with targeted areas where samples of this study were collected highlighted in colours (see legend for explanation)." figureDoi="10.3897/zookeys.1137.86150.figure1" httpUri="https://binary.pensoft.net/fig/786201" pageId="0" pageNumber="33">1</figureCitation>
|
|
).
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="33" type="etymology">
|
|
<paragraph pageId="0" pageNumber="33">Etymology.</paragraph>
|
|
<paragraph pageId="0" pageNumber="33">
|
|
This species is named for Dr. Magdalena Georgieva, who took part in ABYSSLINE expeditions to CCZ. She also collected
|
|
<taxonomicName authorityName="Horst" authorityYear="1910" class="Polychaeta" family="Amphinomidae" genus="Bathychloeia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathychloeia sibogae" order="Amphinomida" pageId="0" pageNumber="33" phylum="Annelida" rank="species" species="sibogae">Bathychloeia cf. sibogae</taxonomicName>
|
|
specimens from CCZ used in this study as well as samples from the South Pacific during the RV Investigator cruise used here as a comparative material.
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |