133 lines
11 KiB
XML
133 lines
11 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.348.5449" ID-GBIF-Dataset="f537b1e0-b388-4d33-8889-8234d90fd652" ID-PMC="PMC3837408" ID-Pensoft-Pub="1313-2970-348-1" ID-PubMed="24294071" ID-ZBK="11308C785C334B20B1C62BC4EDC52893" ModsDocAuthor="" ModsDocDate="2013" ModsDocID="1313-2970-348-1" ModsDocOrigin="ZooKeys 348" ModsDocTitle="Six new deep-water sternaspid species (Annelida, Sternaspidae) from the Pacific Ocean" checkinTime="1451246706903" checkinUser="pensoft" docAuthor="Salazar-Vallejo, Sergio I. & Buzhinskaja, Galina" docDate="2013" docId="728997E727DBF60DA7167078E4819976" docLanguage="en" docName="ZooKeys 348: 1-27" docOrigin="ZooKeys 348" docSource="http://dx.doi.org/10.3897/zookeys.348.5449" docTitle="Caulleryaspis nuda Salazar-Vallejo & Buzhinskaja, 2013, sp. n." docType="treatment" docUuid="B3C65AD6-0C77-421C-8CFB-8E9C724866D0" docUuidSource="ZooBank" docVersion="4" lastPageNumber="7" masterDocId="FFA0137DF108FF839924FF97FFE6FFDF" masterDocTitle="Six new deep-water sternaspid species (Annelida, Sternaspidae) from the Pacific Ocean" masterLastPageNumber="27" masterPageNumber="1" pageNumber="5" updateTime="1668156802118" 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>Six new deep-water sternaspid species (Annelida, Sternaspidae) from the Pacific Ocean</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>Salazar-Vallejo, Sergio I.</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>Buzhinskaja, Galina</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>2013</mods:date>
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<mods:detail type="volume">
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<mods:number>348</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>27</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.348.5449</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.348.5449</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-348-1</mods:identifier>
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<mods:identifier type="ZBK">11308C785C334B20B1C62BC4EDC52893</mods:identifier>
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<mods:identifier type="ZooBank">11308C785C334B20B1C62BC4EDC52893</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152049400" LSID="urn:lsid:zoobank.org:act:B3C65AD6-0C77-421C-8CFB-8E9C724866D0" httpUri="http://treatment.plazi.org/id/728997E727DBF60DA7167078E4819976" lastPageId="6" lastPageNumber="7" pageId="4" pageNumber="5">
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<subSubSection pageId="4" pageNumber="5" type="nomenclature">
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<paragraph pageId="4" pageNumber="5">
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<taxonomicName LSID="http://zoobank.org/B3C65AD6-0C77-421C-8CFB-8E9C724866D0" class="Polychaeta" family="Sternaspidae" genus="Caulleryaspis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caulleryaspis nuda" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="nuda">Caulleryaspis nuda</taxonomicName>
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<taxonomicNameLabel pageId="4" pageNumber="5">sp. n.</taxonomicNameLabel>
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Figure 3
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="5" type="type material">
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<paragraph pageId="4" pageNumber="5">Type material.</paragraph>
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<paragraph pageId="4" pageNumber="5">
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Northeastern Pacific, Oregon. Holotype (CAS 129027h) and nine paratypes (CAS 129027p), variably damaged, Sta. BMT 557 (
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<geoCoordinate direction="north" orientation="latitude" precision="92" value="48.15">48°9.0'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="92" value="-127.07">127°4.2'W</geoCoordinate>
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), 2519 m, 10 Sep. 1971, A. Carey, coll. (complete paratypes 9-11 mm long, 3-5 mm wide; left shield plate 1.8-2.1 mm long, 1.9-2.4 mm wide; oocytes 200
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in smaller paratype).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="5" type="additional material">
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<paragraph pageId="4" pageNumber="5">Additional material.</paragraph>
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<paragraph pageId="4" pageNumber="5">
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Northeastern Pacific, Oregon. Thirty-three specimens (CAS 128953), Sta. BMT 556 (
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<geoCoordinate direction="north" orientation="latitude" precision="92" value="48.128334">48°7.7'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="92" value="-127.08">127°4.8'W</geoCoordinate>
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), 2519 m, 10 Sep. 1971, A. Carey, coll. (complete 8.0-11.5 mm long, 3.5-5.5 mm wide; left shield plate 1.5-2.5 mm long, 1.5-2.4 mm wide; oocytes 200
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<normalizedToken originalValue="µm">µm</normalizedToken>
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).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="6" lastPageNumber="7" pageId="4" pageNumber="5" type="description">
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<paragraph pageId="4" pageNumber="5">Description.</paragraph>
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<paragraph pageId="4" pageNumber="5">Holotype (CAS 129027h) with integument almost completely removed, some fragments remain in mid-body; body wall broken midventrally and dorsally (Fig. 3A). Integment and ventro-caudal shield pale brown, body wall whitish, introvert darker than abdomen. Body papillae mostly removed along with integument; papillae probably homogeneously distributed throughout body. Body 13 mm long, 5 mm wide, about 28 segments; left ventro-caudal shield 2.0 mm long, 2.2 mm wide.</paragraph>
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<caption pageId="4" pageNumber="5">
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<paragraph pageId="4" pageNumber="5">
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Figure 3.
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<taxonomicName class="Polychaeta" family="Sternaspidae" genus="Caulleryaspis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caulleryaspis nuda" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="nuda">Caulleryaspis nuda</taxonomicName>
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sp. n., A Holotype (CAS 129027h), ventral view B Same, anterior end, frontal view C Same, ventro-caudal shield, frontal view
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<normalizedToken originalValue="D–F">D-F</normalizedToken>
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Paratypes (CAS 129027p), ventro-caudal shields. Bars A 1.2 mm B, E 0.6 mm C 0.5 mm D 0.8 mm F 0.9 mm.
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</paragraph>
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</caption>
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<paragraph pageId="4" pageNumber="5">Prostomium minute globose, ovoid, paler than peristomium. Peristomium small, oval, papillae lost. Mouth oval, small slightly wider than prostomium, barely projected, covered by papillae (Fig. 3B).</paragraph>
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<paragraph pageId="5" pageNumber="6">
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<pageBreakToken pageId="5" pageNumber="6" start="start">First</pageBreakToken>
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three chaetigers with about 16 falcate, tapered introvert hooks per bundle, each with subdistal dark areas, slightly paler distally. Genital papillae not seen. Pre-shield region with 7 segments; capillary chaetae not seen (some paratypes with capillaries in 2-4 segments).
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</paragraph>
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<paragraph pageId="5" pageNumber="6">Ventro-caudal shield completely covered by a thin, delicate coating of adhered fine sediment particles, mostly removed from shield; suture not visible (Fig. 3C). Anterior margins rounded; anterior depression deep; anterior keels not exposed. Ribs barely defined, concentric lines not visible. Lateral margins rounded, expanded medially, reduced posteriorly. Fan with a deep wide median notch, projected beyond the margins of posterior corners.</paragraph>
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<paragraph pageId="6" pageNumber="7">
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<pageBreakToken pageId="6" pageNumber="7" start="start">Marginal</pageBreakToken>
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chaetal fascicles include 10 lateral and only 4 short, small posterior ones (others probably broken; some paratypes with up to six posterior bundles); lateral bundles with 7-8 chaetae each, posterior bundles with 5-6. Peg chaetae not visible (one paratype with minute, barely visible peg chaetae). Additional chaetal fascicles not visible.
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</paragraph>
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<paragraph pageId="6" pageNumber="7">
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Branchiae lost. Interbranchial filaments lost. Branchial plates convergent, anteriorly expanded, rounded. Some paratypes with broken body wall include oocytes, each about 200
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<normalizedToken originalValue="µm">µm</normalizedToken>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="7" type="variation">
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<paragraph pageId="6" pageNumber="7">Variation.</paragraph>
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<paragraph pageId="6" pageNumber="7">
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All paratypes have shields without sediment particles firmly adhered or concentric lines (Fig. 3
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<normalizedToken originalValue="D–F">D-F</normalizedToken>
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). The anterior depression is deep, the anterior margins are projected, and the radial ribs are progressively better developed as growth proceeds. The posterior, median notch is well developed in all stages.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="7" type="etymology">
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<paragraph pageId="6" pageNumber="7">Etymology.</paragraph>
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<paragraph pageId="6" pageNumber="7">The specific name is derived from the Latin adjective nudus (a, um): naked, to indicate that unlike other species in the genus, its shield does not have firmly adhered sediment particles on it. The epithet is in the genitive case.</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="7" type="remarks">
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<paragraph pageId="6" pageNumber="7">Remarks.</paragraph>
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<paragraph pageId="6" pageNumber="7">
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<taxonomicName class="Polychaeta" family="Sternaspidae" genus="Caulleryaspis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caulleryaspis nuda" order="Terebellida" pageId="6" pageNumber="7" phylum="Annelida" rank="species" species="nuda">Caulleryaspis nuda</taxonomicName>
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sp. n. is unique because its ventro-caudal shield is soft as typical for the genus, but instead of having a thick sediment particles cover, it has a very thin layer made by loosely adhered, fine sediment particles, which can be easily eroded or brushed off. However, the general shield outline of
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<taxonomicName class="Polychaeta" family="Sternaspidae" genus="Caulleryaspis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caulleryaspis nuda" order="Terebellida" pageId="6" pageNumber="7" phylum="Annelida" rank="species" species="nuda">Caulleryaspis nuda</taxonomicName>
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resembles the one present in
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<taxonomicName class="Polychaeta" family="Sternaspidae" genus="Sternaspis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sternaspis williamsae" order="Terebellida" pageId="6" pageNumber="7" phylum="Annelida" rank="species" species="williamsae">Sternaspis williamsae</taxonomicName>
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sp. n. (see below), and the latter can even incorporate some sediment particles, but they differ because in
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<taxonomicName class="Polychaeta" family="Sternaspidae" genus="Caulleryaspis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caulleryaspis nuda" order="Terebellida" pageId="6" pageNumber="7" phylum="Annelida" rank="species" species="nuda">Caulleryaspis nuda</taxonomicName>
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, the shield does not have a thin, stiff, yellowish layer but rather a convex, delicate, pliable margin.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="7" type="distribution">
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<paragraph pageId="6" pageNumber="7">Distribution.</paragraph>
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<paragraph pageId="6" pageNumber="7">Only known from off Oregon, U.S.A., in 2519 m depth.</paragraph>
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</subSubSection>
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</treatment>
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</document> |