175 lines
12 KiB
XML
175 lines
12 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.708.14072" ID-GBIF-Dataset="58df8d37-2558-416e-9941-d58dccd34d7d" ID-PMC="PMC5674150" ID-Pensoft-Pub="1313-2970-708-11" ID-PubMed="29118632" ID-ZBK="AC436BB3C02D4C99ACCF3589DBF69915" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1313-2970-708-11" ModsDocOrigin="ZooKeys 708" ModsDocTitle="The millipede genus Stemmiulus Gervais, 1844 in Cameroon, with descriptions of three new species (Diplopoda, Stemmiulida, Stemmiulidae)" checkinTime="1508166287362" checkinUser="pensoft" docAuthor="Fiemapong, Armand Richard Nzoko, Masse, Paul Serge Mbenoun, Tamesse, Joseph Lebel, Golovatch, Sergei Ilyich & VandenSpiegel, Didier" docDate="2017" docId="A1F291A5A01794BF630A1FF583990C02" docLanguage="en" docName="ZooKeys 708: 11-23" docOrigin="ZooKeys 708" docSource="http://dx.doi.org/10.3897/zookeys.708.14072" docTitle="Stemmiulus uncus Nzoko Fiemapong & VandenSpiegel, sp. n." docType="treatment" docUuid="4B09E4F5-BA84-4735-B1E3-86C0E1ACE948" docUuidSource="ZooBank" docVersion="5" lastPageNumber="17" masterDocId="0E3BFFF1FF8AFFBAFF95FFBAFFA11952" masterDocTitle="The millipede genus Stemmiulus Gervais, 1844 in Cameroon, with descriptions of three new species (Diplopoda, Stemmiulida, Stemmiulidae)" masterLastPageNumber="23" masterPageNumber="11" pageNumber="14" updateTime="1668164921153" 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>The millipede genus Stemmiulus Gervais, 1844 in Cameroon, with descriptions of three new species (Diplopoda, Stemmiulida, Stemmiulidae)</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>Fiemapong, Armand Richard Nzoko</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>Masse, Paul Serge Mbenoun</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>Tamesse, Joseph Lebel</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>Golovatch, Sergei Ilyich</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>VandenSpiegel, Didier</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>2017</mods:date>
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<mods:detail type="volume">
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<mods:number>708</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>11</mods:start>
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<mods:end>23</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.708.14072</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.708.14072</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-708-11</mods:identifier>
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<mods:identifier type="ZBK">AC436BB3C02D4C99ACCF3589DBF69915</mods:identifier>
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<mods:identifier type="ZooBank">AC436BB3C02D4C99ACCF3589DBF69915</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="135437129" LSID="urn:lsid:zoobank.org:act:4B09E4F5-BA84-4735-B1E3-86C0E1ACE948" httpUri="http://treatment.plazi.org/id/A1F291A5A01794BF630A1FF583990C02" lastPageId="6" lastPageNumber="17" pageId="3" pageNumber="14">
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<subSubSection pageId="3" pageNumber="14" type="nomenclature">
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<paragraph pageId="3" pageNumber="14">
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<taxonomicName LSID="http://zoobank.org/4B09E4F5-BA84-4735-B1E3-86C0E1ACE948" authority="Nzoko Fiemapong & VandenSpiegel" class="Diplopoda" family="Stemmiulidae" genus="Stemmiulus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stemmiulus uncus" order="Stemmiulida" pageId="3" pageNumber="14" phylum="Arthropoda" rank="species" species="uncus">Stemmiulus uncus Nzoko Fiemapong & VandenSpiegel</taxonomicName>
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<taxonomicNameLabel pageId="3" pageNumber="14">sp. n.</taxonomicNameLabel>
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Figure 2
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="15" type="type material">
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<paragraph pageId="4" pageNumber="15">
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<pageBreakToken pageId="4" pageNumber="15" start="start">Type</pageBreakToken>
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material.
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</paragraph>
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<paragraph pageId="4" pageNumber="15">
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Holotype ♂ (MRAC 22727), Cameroon, South Region,
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<normalizedToken originalValue="Vallée">Vallee</normalizedToken>
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du Ntem Division,
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<normalizedToken originalValue="Engout’Adjap">Engout'Adjap</normalizedToken>
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,
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="2.7">N02°42'</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="925" value="11.15">E011°09'</geoCoordinate>
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, ca 2010 m a.s.l., slightly disturbed natural forest under dead leaves, forest, 13.IX.2014, leg. A. R. Nzoko Fiemapong.
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</paragraph>
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<paragraph pageId="4" pageNumber="15">Paratypes: 1 ♂ (MRAC 22728), same data, together with holotype; 1 ♂ (SEM, MRAC 22729), same locality, but 14.III.2015, all leg. A. R. Nzoko Fiemapong.</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="15" type="etymology">
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<paragraph pageId="4" pageNumber="15">Etymology.</paragraph>
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<paragraph pageId="4" pageNumber="15">The species name emphasizes the characteristic apical part of the colpocoxite which is unciform and pointed at the apex.</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="15" type="diagnosis">
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<paragraph pageId="4" pageNumber="15">Diagnosis.</paragraph>
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<paragraph pageId="4" pageNumber="15">
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A species of
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<taxonomicName class="Diplopoda" family="Stemmiulidae" genus="Stemmiulus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stemmiulus" order="Stemmiulida" pageId="4" pageNumber="15" phylum="Arthropoda" rank="genus">Stemmiulus</taxonomicName>
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characterized by the first six ambulatory legs being especially robust and covered with peculiar, spatulate setae, also showing a field of numerous simple setae on the inner side of the tarsus (Fig. 2
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<normalizedToken originalValue="B–E">B-E</normalizedToken>
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). The gonopod has a relatively simple angiocoxite which forms a densely setose apical corolla. The tip of the colpocoxite forms a characteristic apical hook.
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</paragraph>
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<caption pageId="4" pageNumber="15">
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<paragraph pageId="4" pageNumber="15">
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Figure 2.
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<taxonomicName class="Diplopoda" family="Stemmiulidae" genus="Stemmiulus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stemmiulus uncus" order="Stemmiulida" pageId="4" pageNumber="15" phylum="Arthropoda" rank="species" species="uncus">Stemmiulus uncus</taxonomicName>
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Nzoko Fiemapong & VandenSpiegel, sp. n. ♂ paratype (SEM). A head front view B, D 3 and 4 leg-pairs C detail of telopodite of 3 leg-pair; E detail of spatulate setae on the 3 leg-pair F, G leg-pair two, oral and caudal views, respectively H, I leg-pair 8 (gonopods) oral and caudal views respectively J apical part of right gonopod showing angiocoxite (An) surrounding colpocoxite (Co) Scale bars 500
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(A), 100
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(B, D, F, H, I), 50
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(G, J), 20
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(C).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection lastPageId="6" lastPageNumber="17" pageId="4" pageNumber="15" type="description">
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<paragraph pageId="4" pageNumber="15">Description.</paragraph>
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<paragraph pageId="4" pageNumber="15">Holotype: adult male, ca 20 mm in length, 1.8 mm in maximum diameter, body with 46 rings. Head and collum dark brown, other body rings brown with a light axial dorsal stripe, legs and antennae yellowish.</paragraph>
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<paragraph pageId="4" pageNumber="15">
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Head typical in shape, beset with numerous simple macrosetae; ommatidia 2+2, posterior ommatidia larger than anterior ones; antennae long and setose, apices reaching third body ring.
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<taxonomicName genus="Gnathochilarium" lsidName="Gnathochilarium" pageId="4" pageNumber="15" rank="genus">Gnathochilarium</taxonomicName>
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concave, stipes densely and uniformly porose, pores surrounded by a field of minute setae.
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</paragraph>
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<paragraph pageId="4" pageNumber="15">
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<taxonomicName genus="Collum" lsidName="Collum" pageId="4" pageNumber="15" rank="genus">Collum</taxonomicName>
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with a single fold at anterior edge, this being better expressed at lateral margin.
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</paragraph>
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<paragraph pageId="4" pageNumber="15">Body rings ovoid (height/width ratio of midbody rings ca 0.31), telson short and upcurved. Both pro- and metazonites with transverse oblique striae better pronounced at pleurotergal margin.</paragraph>
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<paragraph pageId="4" pageNumber="15">
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First six pairs of legs as in
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<taxonomicName lsidName="S. ongot" pageId="4" pageNumber="15" rank="species" species="ongot">S. ongot</taxonomicName>
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sp. n., but mostly with filiform and plumose setae (Fig. 2B-E). First pair of legs relatively simple and unmodified.
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</paragraph>
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<paragraph pageId="5" pageNumber="16">
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<pageBreakToken pageId="5" pageNumber="16" start="start">Second</pageBreakToken>
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pair of legs with enlarged coxae (Fig. 2F, G), their anterior surface with a few setae, posterior surface glabrous. Telopodite 2-segmented, proximal segment longer, about twice as long as distal segment, curved caudad, with a ventromedial cluster of long setae (Fig. 3G). Distal segment more slender, with an apical row of short setae (Fig. 3G).
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</paragraph>
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<paragraph pageId="5" pageNumber="16">
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<taxonomicName genus="Gonopods" lsidName="Gonopods" pageId="5" pageNumber="16" rank="genus">Gonopods</taxonomicName>
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(Fig. 2H, I) with a large and relatively simple angiocoxite forming an apical corolla and covered with a dense field of numerous setae. Colpocoxite with its tip forming a characteristically strong and curved hook (Fig. 2
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<normalizedToken originalValue="H–J">H-J</normalizedToken>
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).
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</paragraph>
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<paragraph pageId="6" pageNumber="17">
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<taxonomicName genus="Paragonopods" lsidName="Paragonopods" pageId="6" pageNumber="17" rank="genus">
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<pageBreakToken pageId="6" pageNumber="17" start="start">Paragonopods</pageBreakToken>
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</taxonomicName>
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small and 3-segmented, each of medial and distal segments carrying a small series of short setae.
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</paragraph>
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<paragraph pageId="6" pageNumber="17">Female unknown.</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="17" type="relationships">
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<paragraph pageId="6" pageNumber="17">Relationships.</paragraph>
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<paragraph pageId="6" pageNumber="17">
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The peripheral characteristics and simple gonopods bring
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<taxonomicName lsidName="S. uncus" pageId="6" pageNumber="17" rank="species" species="uncus">S. uncus</taxonomicName>
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sp. n. close to
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<taxonomicName lsidName="S. beroni" pageId="6" pageNumber="17" rank="species" species="beroni">S. beroni</taxonomicName>
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, from Nigeria, and
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<taxonomicName lsidName="S. pullulus" pageId="6" pageNumber="17" rank="species" species="pullulus">S. pullulus</taxonomicName>
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, from Mount Nimba. All these species share the simplicity of their second pairs of male legs, despite the fact that the basal segment of the telopodite in the new species is about twice as large and broad as the distal segment. Nevertheless, the males of this trio can easily be distinguished by the structure of the apical part of the colpocoxite. The latter ends up in a pointed curved hook in
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<taxonomicName lsidName="S. uncus" pageId="6" pageNumber="17" rank="species" species="uncus">S. uncus</taxonomicName>
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, versus a pointed straight tip in
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<taxonomicName lsidName="S. beroni" pageId="6" pageNumber="17" rank="species" species="beroni">S. beroni</taxonomicName>
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or a rounded tip in
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<taxonomicName lsidName="S. pullulus" pageId="6" pageNumber="17" rank="species" species="pullulus">S. pullulus</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="17" type="distribution">
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<paragraph pageId="6" pageNumber="17">Distribution.</paragraph>
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<paragraph pageId="6" pageNumber="17">Known only from the type locality.</paragraph>
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</subSubSection>
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</treatment>
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</document> |