160 lines
17 KiB
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160 lines
17 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.87.784" ID-GBIF-Dataset="4f1f7124-7644-4667-851e-cf2b42745004" ID-PMC="PMC3082997" ID-Pensoft-Pub="1313-2970-87-19" ID-PubMed="21594100" ModsDocAuthor="" ModsDocDate="2011" ModsDocID="1313-2970-87-19" ModsDocOrigin="ZooKeys 87" ModsDocTitle="Tanaidaceans (Crustacea) from the Central Pacific Manganese Nodule Province. I. The genera Collettea, Robustochelia and Tumidochelia" checkinTime="1451250745275" checkinUser="pensoft" docAuthor="Larsen, Kim" docDate="2011" docId="2B7C59AB7B1E1053F362F1033139A8CC" docLanguage="en" docName="ZooKeys 87: 19-41" docOrigin="ZooKeys 87" docSource="http://dx.doi.org/10.3897/zookeys.87.784" docTitle="Tumidochelia tuberculata Larsen, 2011, sp. n." docType="treatment" docVersion="5" lastPageNumber="30" masterDocId="091B75074838FFA6FFCDFF81046AFFE1" masterDocTitle="Tanaidaceans (Crustacea) from the Central Pacific Manganese Nodule Province. I. The genera Collettea, Robustochelia and Tumidochelia" masterLastPageNumber="41" masterPageNumber="19" pageNumber="26" updateTime="1668167725948" 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>Tanaidaceans (Crustacea) from the Central Pacific Manganese Nodule Province. I. The genera Collettea, Robustochelia and Tumidochelia</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>Larsen, Kim</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>2011</mods:date>
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<mods:detail type="volume">
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<mods:number>87</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>19</mods:start>
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<mods:end>41</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.87.784</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.87.784</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-87-19</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159361565" LSID="urn:lsid:zoobank.org:act:5A3B3689-9B38-42E9-AC76-CEAF7ECE6077" httpUri="http://treatment.plazi.org/id/2B7C59AB7B1E1053F362F1033139A8CC" lastPageId="11" lastPageNumber="30" pageId="7" pageNumber="26">
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<subSubSection pageId="7" pageNumber="26" type="nomenclature">
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<paragraph pageId="7" pageNumber="26">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:5A3B3689-9B38-42E9-AC76-CEAF7ECE6077" class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia tuberculata" order="Tanaidacea" pageId="7" pageNumber="26" phylum="Arthropoda" rank="species" species="tuberculata">Tumidochelia tuberculata</taxonomicName>
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<taxonomicNameLabel pageId="7" pageNumber="26">sp. n.</taxonomicNameLabel>
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Figs 57
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="8" lastPageNumber="27" pageId="7" pageNumber="26" type="material examined">
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<paragraph pageId="7" pageNumber="26">Material examined.</paragraph>
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<paragraph lastPageId="8" lastPageNumber="27" pageId="7" pageNumber="26">
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Holotype, non-ovigerous female (MNHN-Ta1031), Station CAROT-0 # 15, 04/06-2004, 14°02.8654'N, 130°05.3508'W, depth 5044 m
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<pageBreakToken pageId="8" pageNumber="27" start="start">.</pageBreakToken>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="27" type="diagnosis">
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<paragraph pageId="8" pageNumber="27">Diagnosis.</paragraph>
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<paragraph pageId="8" pageNumber="27">Female. Pereonites 2-4 longer than wide. Pleotelson longer than combined length of four pleonites. Antenna with six articles (+ fusion line), article 4 longer than other articles, with clear fusion line. Cheliped propodus with large paired dorsal tubercles near dactylus insertion. Pereopod 1 merus and carpus with long (longer than length of merus) robust setae.</paragraph>
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<paragraph pageId="8" pageNumber="27">Male. Unknown.</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="27" type="etymology">
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<paragraph pageId="8" pageNumber="27">Etymology.</paragraph>
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<paragraph pageId="8" pageNumber="27">The species is named after the diagnostic character of the tubercles on the cheliped propodus.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="11" lastPageNumber="30" pageId="8" pageNumber="27" type="description">
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<paragraph pageId="8" pageNumber="27">Description.</paragraph>
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<paragraph pageId="8" pageNumber="27">Female(body and appendages of holotype).</paragraph>
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<paragraph pageId="8" pageNumber="27">Body (Fig. 5A, B). Body length 2.0 mm. Subcylindrical, elongate, approximately 8.5 times longer than wide. Lateral edges almost completely straight.</paragraph>
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<paragraph pageId="8" pageNumber="27">Cephalothorax longer than wide (l/w 1.5). Eyes and eye-lobes absent.</paragraph>
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<paragraph pageId="8" pageNumber="27">Pereon. Pereonites 1 and 6 wider than long. Other pereonites longer than wide, pereonites 3 longest.</paragraph>
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<paragraph pageId="8" pageNumber="27">Pleonites all wider than long, subequal, bearing pleopods.</paragraph>
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<paragraph pageId="8" pageNumber="27">Pleotelson longer than combined length of four pleonites.</paragraph>
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<paragraph pageId="8" pageNumber="27">Antennule (Fig. 6A) with four articles. Stout at base- tapering distally, almost as long as carapace. Article 1 with one simple distal seta and three subdistal setulated setae; article 2 approximately 0.80 times as long as article 1, with two simple and three setulated distal setae; article 3 approximately 0.3 times length of article 2, with two simple distal setae; article 4 approximately twice length of article 3, with four long and one short simple distal setae and one prominent aesthetasc.</paragraph>
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<paragraph pageId="8" pageNumber="27">Antenna (Fig. 6B) approximately 0.7 times as long as antennule. Article 1 naked and fused to cephalon. Article 2 wider than other articles, with dorsodistal process and one stout dorsodistal seta. Article 3 band-shaped, with one dorsodistal seta, Article 4 longer than other articles, with clear fusion line, with one medial (distal on first article component) setulose seta, with two long and one short simple setae distally and with one subdistal setulated setae. Article 5 with one simple distal seta. Article 6 approximately 0.25 length of article 5, with three simple distal setae and one aesthetasc.</paragraph>
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<paragraph pageId="8" pageNumber="27">Mouthparts:Relatively small compared to body size (mandibular body less than 0.1 mm, see remarks). Labrum (Fig. 6C) apex pointed, apparently naked. Mandibular molar tapering. Left mandible (Fig. 6D) incisor with three distal denticles; lacinia mobilis blunt with two denticles. Right mandible (Fig. 6E) incisor with two denticles. Labium (Fig. 6F) with one pair of lobes, without setules or process. Maxillule (Fig. 6G) endite with nine terminal spiniform setae of which two are serrated; palp with two terminal setae. Maxilla (Fig. 6H) narrow and long (as long as maxillule endite), featureless. Maxilliped (Fig. 6I) endites with blunt distal process and small outer seta, fairly wide (almost as wide as basis) and long (reaching palp article 4). Basis fused. Palp article 1 naked; article 2 with two inner setae and one outer seta; article 3 with three inner setae; article 4 with four setae. Epignath not recovered.</paragraph>
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<paragraph lastPageId="9" lastPageNumber="28" pageId="8" pageNumber="27">
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Cheliped (Fig. 7A) attached to cephalothorax by a large sclerite. Basis naked, narrow in posterior part, approximately as long as carpus. Merus with one ventral seta. Carpus widening distally, with two small dorsal setae and two simple ventromedial
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<pageBreakToken pageId="9" pageNumber="28" start="start">setae</pageBreakToken>
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, ventrodistal part inflated into a large carpal shield, extending distally past propodus articulation. Propodus as long as basis, with two simple (thick) ventral setae mid-length and three (one longer than the other two) inner setae proximal to dactylus insertion, with paired dorsal crest next to dactylus insertion. Fixed finger with three inner setae and three blunt denticles. Dactylus as long as fixed finger
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</paragraph>
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<paragraph lastPageId="10" lastPageNumber="29" pageId="9" pageNumber="28">
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Pereopod 1 (Fig. 7B) longer than other pereopods. Coxa naked. Basis robust without seta. Ischium with one simple distal seta; merus widening distally, longer than
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<pageBreakToken pageId="10" pageNumber="29" start="start">carpus</pageBreakToken>
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, with one ventrodistal, long (longer than merus) bayonet-shaped setae. Carpus rectangular, half as long as propodus, with two long (longer than merus) bayonet-shaped distal setae. Propodus elongate, longer than merus, with one spiniform ventro-subdistal seta and dorsal spine. Dactylus and unguis combined shorter than propodus, dactylus with distal spine at unguis insertion. Unguis as long as dactylus.
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</paragraph>
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<paragraph pageId="11" pageNumber="30">
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<pageBreakToken pageId="11" pageNumber="30" start="start">Pereopod</pageBreakToken>
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2 (Fig. 7C) as pereopod 1 except it is smaller; carpus with three long setae; dactylus without spine.
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</paragraph>
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<paragraph pageId="11" pageNumber="30">Pereopod 3 (Fig. 7D) as pereopod 2 except: carpus with two setae.</paragraph>
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<paragraph pageId="11" pageNumber="30">Pereopod 4 (Fig. 7E) coxa absent. Basis with two medial setulated setae on both margins (the ventral ones much the larger). Merus with two short spiniform ventral setae. Carpus with three spiniform ventral setae and one bone-shaped seta. Propodus with four spiniform distal setae. Dactylus (including unguis) as long as propodus, with ventral serration; unguis less than 0.3 times as long as dactylus.</paragraph>
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<paragraph pageId="11" pageNumber="30">Pereopod 5 (Fig. 7F) as pereopod 4 except: basis with only one dorsal setulated seta. Ischium apparently naked.</paragraph>
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<paragraph pageId="11" pageNumber="30">Pereopod 6 (Fig. 7G) as pereopod 4 except: basis with only one ventral setulated seta. Propodus, with six distal setae.</paragraph>
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<paragraph pageId="11" pageNumber="30">Pleopods (Fig. 7H). Basal article with one plumose seta. Endopod rectangular, with numerous simple distal setae. Exopod rectangular, with one robust proximal seta, and numerous simple distal setae.</paragraph>
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<paragraph pageId="11" pageNumber="30">Uropod (Fig. 7I) biramous, basal article naked, with dorsomedial spiniform process. Endopod with two subequal articles; article 1 with three simple distal setae; article 2 with one long simple subdistal seta, three long and two short simple distal setae. Exopod reaching beyond midlenght of first endopod article, with two subequal articles; article 1 naked, article 2 with two simple but unequally length distal setae.</paragraph>
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<caption pageId="11" pageNumber="30">
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<paragraph pageId="11" pageNumber="30">
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Figure 5.
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia tuberculata" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="tuberculata">Tumidochelia tuberculata</taxonomicName>
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sp. n. Holotype A dorsal view B lateral view Scale bar 0.5 mm.
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</paragraph>
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</caption>
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<caption pageId="11" pageNumber="30">
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<paragraph pageId="11" pageNumber="30">
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Figure 6.
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia tuberculata" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="tuberculata">Tumidochelia tuberculata</taxonomicName>
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sp. n. Holotype A antennule B antenna C labrum D right mandible E left mandible F labium G maxillule H maxilla I Maxilliped. Scale bar 0.1 mm.
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</paragraph>
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</caption>
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<caption pageId="11" pageNumber="30">
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<paragraph pageId="11" pageNumber="30">
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Figure 7.
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia tuberculata" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="tuberculata">Tumidochelia tuberculata</taxonomicName>
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sp. n. Holotype A cheliped B pereopod 1 C pereopod 2 D pereopod 3 E Pereopod 4 F pereopod 5 G pereopod 6 H pleopod I uropod. Scale bar 0.1 mm.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="11" pageNumber="30" type="remarks">
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<paragraph pageId="11" pageNumber="30">Remarks.</paragraph>
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<paragraph pageId="11" pageNumber="30">
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia tuberculata" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="tuberculata">Tumidochelia tuberculata</taxonomicName>
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can be separated from
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia uncinata" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="uncinata">Tumidochelia uncinata</taxonomicName>
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by the cheliped propodus having paired dorsal crest next to dactylus insertion; from
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia dentifera" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="dentifera">Tumidochelia dentifera</taxonomicName>
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by the pleotelson being longer than last three pleonites combined; from
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia randyi" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="randyi">Tumidochelia randyi</taxonomicName>
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by the pereonite 2 being longer than other pereonites; from the only other Pacific species,
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia knighti" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="knighti">Tumidochelia knighti</taxonomicName>
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, by the straight lateral margins (with no segment indentations), the longer pleotelson, the antenular fusion line, the cheliped propodus tubercles, and a longer uropodal exopod.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="11" pageNumber="30" type="key to the species of tumidochelia, females">
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<paragraph pageId="11" pageNumber="30">Key to the species of Tumidochelia, females</paragraph>
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<paragraph pageId="11" pageNumber="30">
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<table pageId="11" pageNumber="30">
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<tr pageId="11" pageNumber="30">
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<td pageId="11" pageNumber="30">
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia randyi" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="randyi">Tumidochelia randyi</taxonomicName>
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</td>
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</tr>
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<tr pageId="11" pageNumber="30">
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<td pageId="11" pageNumber="30">
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia tuberculata" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="tuberculata">Tumidochelia tuberculata</taxonomicName>
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</td>
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</tr>
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<tr pageId="11" pageNumber="30">
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<td pageId="11" pageNumber="30">
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia uncinata" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="uncinata">Tumidochelia uncinata</taxonomicName>
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</td>
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</tr>
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<tr pageId="11" pageNumber="30">
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<td pageId="11" pageNumber="30">
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia dentifera" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="dentifera">Tumidochelia dentifera</taxonomicName>
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</td>
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</tr>
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<tr pageId="11" pageNumber="30">
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<td pageId="11" pageNumber="30">
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia knighti" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="knighti">Tumidochelia knighti</taxonomicName>
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</td>
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</tr>
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</table>
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |