187 lines
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187 lines
15 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.845.32428" ID-GBIF-Dataset="3733ef1e-8696-44f1-99d7-d473c509608c" ID-PMC="PMC6531415" ID-Pensoft-Pub="1313-2970-845-1" ID-PubMed="31148919" ID-ZBK="F05BDFEC4C4A4F2296854AC2655B973D" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1313-2970-845-1" ModsDocOrigin="ZooKeys 845" ModsDocTitle="Systematic re-structure and new species of Sphaerodoridae (Annelida) after morphological revision and molecular phylogenetic analyses of the North East Atlantic fauna" checkinTime="1557997611963" checkinUser="pensoft" docAuthor="Capa, Maria, Nygren, Arne, Parapar, Julio, Bakken, Torkild, Meissner, Karin & Moreira, Juan" docDate="2019" docId="11C2B4A9693A396F2E4F0A77F11C7D60" docLanguage="en" docName="ZooKeys 845: 1-97" docOrigin="ZooKeys 845" docSource="http://dx.doi.org/10.3897/zookeys.845.32428" docTitle="Sphaerephesia ponsi Capa, Parapar & Moreira, sp. n." docType="treatment" docUuid="40F740FF-6DFF-4083-8135-1A907657426E" docUuidSource="ZooBank" docVersion="5" lastPageNumber="56" masterDocId="E3517C1098370D65FFC6FFB27231221C" masterDocTitle="Systematic re-structure and new species of Sphaerodoridae (Annelida) after morphological revision and molecular phylogenetic analyses of the North East Atlantic fauna" masterLastPageNumber="97" masterPageNumber="1" pageNumber="54" updateTime="1668167250643" 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>Systematic re-structure and new species of Sphaerodoridae (Annelida) after morphological revision and molecular phylogenetic analyses of the North East Atlantic fauna</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>Capa, Maria</mods:namePart>
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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>Nygren, Arne</mods:namePart>
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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>Parapar, Julio</mods:namePart>
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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>Bakken, Torkild</mods:namePart>
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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>Meissner, Karin</mods:namePart>
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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>Moreira, Juan</mods:namePart>
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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>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>845</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>97</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.845.32428</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.845.32428</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-845-1</mods:identifier>
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<mods:identifier type="ZBK">F05BDFEC4C4A4F2296854AC2655B973D</mods:identifier>
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<mods:identifier type="ZooBank">F05BDFEC4C4A4F2296854AC2655B973D</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="157167830" LSID="urn:lsid:zoobank.org:act:40F740FF-6DFF-4083-8135-1A907657426E" httpUri="http://treatment.plazi.org/id/11C2B4A9693A396F2E4F0A77F11C7D60" lastPageId="55" lastPageNumber="56" pageId="53" pageNumber="54">
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<subSubSection pageId="53" pageNumber="54" type="nomenclature">
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<paragraph pageId="53" pageNumber="54">
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<taxonomicName LSID="http://zoobank.org/40F740FF-6DFF-4083-8135-1A907657426E" authority="Capa, Parapar & Moreira" class="Polychaeta" family="Sphaerodoridae" genus="Sphaerephesia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sphaerephesia ponsi" order="Phyllodocida" pageId="53" pageNumber="54" phylum="Annelida" rank="species" species="ponsi">Sphaerephesia ponsi Capa, Parapar & Moreira</taxonomicName>
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<taxonomicNameLabel pageId="53" pageNumber="54">sp. n.</taxonomicNameLabel>
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Figs 5P, 15M, N, 21
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</paragraph>
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</subSubSection>
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<subSubSection pageId="53" pageNumber="54" type="type locality">
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<paragraph pageId="53" pageNumber="54">Type locality.</paragraph>
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<paragraph pageId="53" pageNumber="54">Irminger Basin, SW of Iceland, North Atlantic Ocean, 63° 0.46'N, 28° 4'W, 1593 m.</paragraph>
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</subSubSection>
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<subSubSection pageId="53" pageNumber="54" type="materials_examined">
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<paragraph pageId="53" pageNumber="54">Examined material.</paragraph>
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<paragraph pageId="53" pageNumber="54">
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Holotype: SMF 25295, Irminger Basin, SW of Iceland,
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<geoCoordinate direction="north" orientation="latitude" precision="9" value="63.007668">63°00.46'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="9" value="-28.068167">28°04.09'W</geoCoordinate>
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, 1593 m, 8 Sep 2011. Paratypes SMF 24841 (1 spec. used for DNA sequencing and SEM, SPH047), Irminger Basin, SW of Iceland,
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<geoCoordinate direction="north" orientation="latitude" precision="9" value="63.007668">63°00.46'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="9" value="-28.068167">28°04.09'W</geoCoordinate>
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, 1593 m, 8 Sep 2011; SMF 25296 (1 spec., on SEM stub), Irminger Basin, SW of Iceland,
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<geoCoordinate direction="north" orientation="latitude" precision="9" value="63.007668">63°00.46'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="9" value="-28.068167">28°04.09'W</geoCoordinate>
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, 1593 m, 8 Sep 2011.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="54" lastPageNumber="55" pageId="53" pageNumber="54" type="diagnosis">
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<paragraph pageId="53" pageNumber="54">Diagnosis.</paragraph>
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<paragraph lastPageId="54" lastPageNumber="55" pageId="53" pageNumber="54">
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Body ellipsoid, flattened dorsoventrally. Body unpigmented (fixed specimen). Head appendages smooth and digitiform. Tentacular cirri smaller than prostomial appendages. Dorsum with four longitudinal rows of large, sessile and pear-shaped macrotubercles in a single transverse row per segment, from segment 2. Additional papillae on dorsum and ventrum. Acicular lobe from segment 1. Parapodia with
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<pageBreakToken pageId="54" pageNumber="55" start="start">four</pageBreakToken>
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papillae. Ventral cirri digitiform reaching tip of acicular lobe. Approximately eight compound chaetae with medium length blades (7-9 times as long as wide); unidentate.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="description">
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<paragraph pageId="54" pageNumber="55">Description.</paragraph>
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<paragraph pageId="54" pageNumber="55">Measurements and general morphology. Holotype 1.8 mm long, 0.5 mm wide; with 12 chaetigers (Fig. 21A). Body ellipsoid. Segmentation not conspicuous.</paragraph>
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<paragraph pageId="54" pageNumber="55">
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Head. Head fused to first segment (Fig. 21
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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). Head appendages digitiform (Fig. 21C). Palps and lateral antennae three times longer than wide, smooth, and lacking spurs or basal papillae (Fig. 21C). Median antenna two-thirds the length of lateral antennae, slightly wider (Fig. 21C). Antenniform papillae absent (Fig. 21C). Head papillae elliptical, ca. 20 papillae enclosed by prostomial appendages. Tentacular cirri digitiform, similar in shape and size to lateral antennae (Fig. 21C).
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</paragraph>
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<caption pageId="54" pageNumber="55">
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<paragraph pageId="54" pageNumber="55">
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Figure 21.
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<taxonomicName class="Polychaeta" family="Sphaerodoridae" genus="Sphaerephesia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sphaerephesia ponsi" order="Phyllodocida" pageId="54" pageNumber="55" phylum="Annelida" rank="species" species="ponsi">Sphaerephesia ponsi</taxonomicName>
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sp. n., scanning electron micrographs (Paratype, SMF 24841, SPH047). A Complete specimen, dorsal view B same, lateral view C head, anterior view D mid-body macrotubercles, frontal view E anterior chaetigers, frontal view F parapodium, chaetiger 1, anterior view G parapodium, chaetiger 2, side view H posterior parapodia, dorsal view I posterior chaetigers, lateral view J parapodium, chaetiger 7, anterior view K chaetae, mid-body chaetigers L chaetae, anterior chaetiger, detail.
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</paragraph>
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</caption>
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<paragraph pageId="54" pageNumber="55">
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Tubercles. Four longitudinal rows of dorsal macrotubercles, in one transverse row per segment, from segment 2 (Fig. 21
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<normalizedToken originalValue="A–E">A-E</normalizedToken>
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). Macrotubercles, sessile, large, pear-shaped or with a terminal papilla (Fig. 21
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<normalizedToken originalValue="A–E">A-E</normalizedToken>
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). Distance between mid-dorsal rows larger than between these and lateral longitudinal rows of macrotubercles. Additional papillae, rounded, arranged in three or four irregular transverse rows along dorsal and ventral surfaces (Figs 15M, N, 21A). Ventrum with few papillae in holotype.
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</paragraph>
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<paragraph pageId="54" pageNumber="55">
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Parapodia. Parapodial conical, as long as wide (Fig. 21
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<normalizedToken originalValue="F–J">F-J</normalizedToken>
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). Ventral cirri conical, as long as maximum wide of parapodia, reaching the tip of the acicular lobe, or shorter (Fig. 21G, H, K). Acicular lobe from chaetiger 1. Anterior segments with two parapodial papillae, one ventral, near the base of parapodium and one posterior (Fig. 21
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<normalizedToken originalValue="F–H">F-H</normalizedToken>
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). Three or four parapodial papillae in mid-body segments, sub-equal, rounded (one dorsal, one or two anterior, one ventral near base of parapodium) (Figs 5P, 21G, J).
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</paragraph>
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<paragraph pageId="54" pageNumber="55">Chaetae. All chaetae compound, ca. eight in mid-body parapodia, with medium size blades (7-9 times as long as wide), unidentate, with finely serrated edge (Fig. 21L, M). One straight acicula per parapodia.</paragraph>
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<paragraph pageId="54" pageNumber="55">Pygidium. A pair globular anal cirri, similar to dorsal macrotubercles but smaller and digitiform medio-ventral anal papilla similar in length to lateral cirri (Fig. 21I).</paragraph>
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<paragraph pageId="54" pageNumber="55">Internal features. Holotype with everted proboscis, as long as 5-6 segments. Eyes not observed.</paragraph>
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<paragraph pageId="54" pageNumber="55">Reproductive features. No gametes, sexual structures, or genital pores observed.</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="variation">
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<paragraph pageId="54" pageNumber="55">Variation.</paragraph>
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<paragraph pageId="54" pageNumber="55">Paratypes 1-2 mm long, 0.3 mm wide, 15-17 segments. Epithelial parapodial papillae are more evident in paratypes, and ventral papillae include of ca. 20 rounded and sub-equal papillae, arranged in four irregular transverse rows per segment (Fig. 15N). Acicular lobe and ventral cirri are almost spherical in holotype while in the paratypes show longer and digitiform parapodial appendages. The rest of features are consistent among specimens studied.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="55" lastPageNumber="56" pageId="54" pageNumber="55" type="remarks">
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<paragraph pageId="54" pageNumber="55">Remarks.</paragraph>
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<paragraph lastPageId="55" lastPageNumber="56" pageId="54" pageNumber="55">
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<taxonomicName class="Polychaeta" family="Sphaerodoridae" genus="Sphaerephesia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sphaerephesia ponsi" order="Phyllodocida" pageId="54" pageNumber="55" phylum="Annelida" rank="species" species="ponsi">Sphaerephesia ponsi</taxonomicName>
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sp. n. is distinguished from other congeners by the unique combination of following features: head appendages smooth and without spurs or basal papillae, antenniform papillae absent, macrotubercles in four longitudinal rows, pear-shaped and with terminal papillae, parapodial papillae with four spherical papillae, chaetae with blades up to nine times as long as wide. Other
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<taxonomicName class="Polychaeta" family="Sphaerodoridae" genus="Sphaerephesia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sphaerephesia" order="Phyllodocida" pageId="54" pageNumber="55" phylum="Annelida" rank="genus">Sphaerephesia</taxonomicName>
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with ca. four parapodial papillae are
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<taxonomicName lsidName="S. artabrensis" pageId="54" pageNumber="55" rank="species" species="artabrensis">S. artabrensis</taxonomicName>
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comb. n.,
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<taxonomicName lsidName="S. mamalaensis" pageId="54" pageNumber="55" rank="species" species="mamalaensis">S. mamalaensis</taxonomicName>
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,
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<taxonomicName lsidName="S. longisetis" pageId="54" pageNumber="55" rank="species" species="longisetis">S. longisetis</taxonomicName>
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comb. n., and
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<taxonomicName lsidName="S. amphorata" pageId="54" pageNumber="55" rank="species" species="amphorata">S. amphorata</taxonomicName>
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.
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<taxonomicName class="Polychaeta" family="Sphaerodoridae" genus="Sphaerephesia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sphaerephesia amphorata" order="Phyllodocida" pageId="54" pageNumber="55" phylum="Annelida" rank="species" species="amphorata">Sphaerephesia amphorata</taxonomicName>
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is clearly distinguished from S.&nbsp;
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<taxonomicName lsidName="ponsi" pageId="54" pageNumber="55" rank="species" species="ponsi">ponsi</taxonomicName>
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&nbsp;sp.&nbsp;n.
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<pageBreakToken pageId="55" pageNumber="56" start="start">in</pageBreakToken>
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the shape of the macrotubercles, with a long terminal papilla.
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<taxonomicName class="Polychaeta" family="Sphaerodoridae" genus="Sphaerephesia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sphaerephesia ponsi" order="Phyllodocida" pageId="55" pageNumber="56" phylum="Annelida" rank="species" species="ponsi">Sphaerephesia ponsi</taxonomicName>
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sp. n. is distinguished from
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<taxonomicName lsidName="S. artabrensis" pageId="55" pageNumber="56" rank="species" species="artabrensis">S. artabrensis</taxonomicName>
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comb. n. and
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<taxonomicName lsidName="S. longisetis" pageId="55" pageNumber="56" rank="species" species="longisetis">S. longisetis</taxonomicName>
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in the length of chaetal blades, over ten times as long as wide in the former two species and shorter in the new species; and shorter in
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<taxonomicName lsidName="S. mamalaensis" pageId="55" pageNumber="56" rank="species" species="mamalaensis">S. mamalaensis</taxonomicName>
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(up to six times as long as wide).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="55" pageNumber="56" type="etymology">
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<paragraph pageId="55" pageNumber="56">Etymology.</paragraph>
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<paragraph pageId="55" pageNumber="56">This new species is dedicated to Joan Pons, a researcher from the Mediterranean Institute of Advanced Studies (IMEDEA), Balearic Islands, colleague, and friend.</paragraph>
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</subSubSection>
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<subSubSection pageId="55" pageNumber="56" type="distribution">
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<paragraph pageId="55" pageNumber="56">Distribution.</paragraph>
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<paragraph pageId="55" pageNumber="56">Only known from type locality, the Irminger Basin in the North East Atlantic.</paragraph>
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</subSubSection>
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<subSubSection pageId="55" pageNumber="56" type="habitat">
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<paragraph pageId="55" pageNumber="56">Habitat.</paragraph>
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<paragraph pageId="55" pageNumber="56">Sediments at ca. 1600 m.</paragraph>
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</subSubSection>
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</treatment>
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</document> |