257 lines
31 KiB
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257 lines
31 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.325.5932" ID-GBIF-Dataset="7c41b42c-38db-41cb-9b64-70c67fdef194" ID-PMC="PMC3760138" ID-Pensoft-Pub="1313-2970-325-33" ID-PubMed="24003320" ModsDocAuthor="" ModsDocDate="2013" ModsDocID="1313-2970-325-33" ModsDocOrigin="ZooKeys 325" ModsDocTitle="New species of Agathodesmus Silvestri, 1910 from Australia (Diplopoda, Polydesmida, Haplodesmidae)" checkinTime="1451247015060" checkinUser="pensoft" docAuthor="Mesibov, Robert" docDate="2013" docId="BF5BF344727A0DBA7BAD1EA1741421F7" docLanguage="en" docName="ZooKeys 325: 33-64" docOrigin="ZooKeys 325" docSource="http://dx.doi.org/10.3897/zookeys.325.5932" docTitle="Agathodesmus Silvestri 1910" docType="treatment" docVersion="3" lastPageNumber="39" masterDocId="49483314FFA6FFCD5955856EFFA90845" masterDocTitle="New species of Agathodesmus Silvestri, 1910 from Australia (Diplopoda, Polydesmida, Haplodesmidae)" masterLastPageNumber="64" masterPageNumber="33" pageNumber="35" updateTime="1668156338249" 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>New species of Agathodesmus Silvestri, 1910 from Australia (Diplopoda, Polydesmida, Haplodesmidae)</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:namePart>Mesibov, Robert</mods:namePart>
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<mods:typeOfResource>text</mods:typeOfResource>
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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>325</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>64</mods:end>
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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.325.5932</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.325.5932</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-325-33</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152047281" LSID="urn:lsid:plazi:treatment:BF5BF344727A0DBA7BAD1EA1741421F7" httpUri="http://treatment.plazi.org/id/BF5BF344727A0DBA7BAD1EA1741421F7" lastPageId="6" lastPageNumber="39" pageId="2" pageNumber="35">
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<subSubSection pageId="2" pageNumber="35" type="nomenclature">
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<paragraph pageId="2" pageNumber="35">
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<taxonomicName LSID="http://species-id.net/wiki/Agathodesmus" authority="Silvestri, 1910" authorityName="Silvestri" authorityYear="1910" class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus" order="Polydesmida" pageId="2" pageNumber="35" phylum="Arthropoda" rank="genus">Agathodesmus Silvestri, 1910</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="35" type="reference_group">
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<paragraph pageId="2" pageNumber="35">
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus" order="Polydesmida" pageId="2" pageNumber="35" phylum="Arthropoda" rank="genus">Agathodesmus</taxonomicName>
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:
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<bibRefCitation author="Silvestri, F" journalOrPublisher="Zoologischer Anzeiger" pageId="30" pageNumber="63" pagination="357 - 364" title="Descrizioni preliminari di nuovi generi di Diplopodi. I. Polydesmoidea." url="http://www.biodiversitylibrary.org" volume="35" year="1910">Silvestri 1910</bibRefCitation>
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:362. Attems 1914:282, 1940:487.
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<normalizedToken originalValue="Brölemann">Broelemann</normalizedToken>
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1916:547, 587.
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<bibRefCitation author="Jeekel, CAW" journalOrPublisher="Monografieen van de Nederlandse Entomologische Vereniging" pageId="30" pageNumber="63" pagination="1 - 412" title="Nomenclator generum et familiarum Diplopodorum: a list of the genus and family-group names in the Class Diplopoda from the 10 th edition of Linnaeus, 1758, to the end of 1957." volume="5" year="1971">Jeekel 1971</bibRefCitation>
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:310; 1982:11; 1983:146; 1985:50, 51; 1986:46.
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<bibRefCitation author="Hoffman, RL" journalOrPublisher="Museum d'Histoire Naturelle, Geneve" pageId="30" pageNumber="63" title="Classification of the Diplopoda." year="1980">Hoffman 1980</bibRefCitation>
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:184. Simonsen 1990:57.
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<bibRefCitation author="Golovatch, SI" journalOrPublisher="ZooKeys" pageId="30" pageNumber="63" pagination="1 - 53" title="Review of the millipede family Haplodesmidae Cook, 1895, with descriptions of some new or poorly-known species (Diplopoda, Polydesmida)." url="10.3897/zookeys.7.117" volume="7" year="2009">Golovatch et al. 2009</bibRefCitation>
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:2.
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<bibRefCitation author="Mesibov, R" journalOrPublisher="ZooKeys" pageId="30" pageNumber="63" pagination="87 - 110" title="Revision of Agathodesmus Silvestri, 1910 (Diplopoda: Polydesmida: Haplodesmidae)." url="10.3897/zookeys.12.206" volume="12" year="2009">Mesibov 2009</bibRefCitation>
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:92.
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</paragraph>
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<paragraph pageId="2" pageNumber="35">
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Atopogonus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Atopogonus" order="Polydesmida" pageId="2" pageNumber="35" phylum="Arthropoda" rank="genus">Atopogonus</taxonomicName>
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:
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<bibRefCitation author="Carl, J" journalOrPublisher="C. W. Kreidel's Verlag, Munich" pageId="30" pageNumber="63" pagination="369 - 462" title="Diplopoden von Neu-Caledonien und den Loyalty-Inseln. In: Sarasin F, Roux J (Eds) Nova Caledonia. Forschungen in Neu-Caledonien und auf den Loyalty-Inseln." url="http://www.biodiversitylibrary.org" volumeTitle="A. Zoologie" year="1926">Carl 1926</bibRefCitation>
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:386. Attems 1940:477.
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<bibRefCitation author="Verhoeff, KW" journalOrPublisher="Archiv fuer Naturgeschichte (ns)" pageId="30" pageNumber="63" pagination="399 - 415" title="Ueber Gruppen der Leptodesmiden und neues System der Ordo Polydesmoidea." volume="10" year="1941">Verhoeff 1941</bibRefCitation>
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:406.
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<bibRefCitation author="Jeekel, CAW" journalOrPublisher="Monografieen van de Nederlandse Entomologische Vereniging" pageId="30" pageNumber="63" pagination="1 - 412" title="Nomenclator generum et familiarum Diplopodorum: a list of the genus and family-group names in the Class Diplopoda from the 10 th edition of Linnaeus, 1758, to the end of 1957." volume="5" year="1971">Jeekel 1971</bibRefCitation>
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:314,
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<bibRefCitation author="Jeekel, CAW" journalOrPublisher="Papers and Proceedings of the Royal Society of Tasmania" pageId="30" pageNumber="63" pagination="85 - 101" title="Millipedes from Australia, 7: The identity of the genus Lissodesmus Chamberlin, with the description of four new species from Tasmania (Diplopoda, Polydesmida, Dalodesmidae)." volume="118" year="1984">1984</bibRefCitation>
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:88,
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<bibRefCitation author="Jeekel, CAW" journalOrPublisher="Beaufortia" pageId="30" pageNumber="63" pagination="35 - 50" title="Millipedes from Australia, 10: Three interesting new species and a new genus (Diplopoda: Sphaerotheriida, Spirobolida, Polydesmida)." volume="36" year="1986">1986</bibRefCitation>
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:46.
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<bibRefCitation author="Hoffman, RL" journalOrPublisher="Museum d'Histoire Naturelle, Geneve" pageId="30" pageNumber="63" title="Classification of the Diplopoda." year="1980">Hoffman 1980</bibRefCitation>
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:186, 1999:480. Simonsen 1990:57. Golovatch et al. 2001:185, 2009:2, 44.
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<bibRefCitation author="Mesibov, R" journalOrPublisher="ZooKeys" pageId="30" pageNumber="63" pagination="87 - 110" title="Revision of Agathodesmus Silvestri, 1910 (Diplopoda: Polydesmida: Haplodesmidae)." url="10.3897/zookeys.12.206" volume="12" year="2009">Mesibov 2009</bibRefCitation>
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:92 (synonymised).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="3" lastPageNumber="36" pageId="2" pageNumber="35" type="type species">
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<paragraph pageId="2" pageNumber="35">Type species.</paragraph>
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<paragraph pageId="2" pageNumber="35">
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus steeli" order="Polydesmida" pageId="2" pageNumber="35" phylum="Arthropoda" rank="species" species="steeli">Agathodesmus steeli</taxonomicName>
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Silvestri, 1910, by original designation; of
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Atopogonus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Atopogonus" order="Polydesmida" pageId="2" pageNumber="35" phylum="Arthropoda" rank="genus">Atopogonus</taxonomicName>
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,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Atopogonus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Atopogonus baccatus" order="Polydesmida" pageId="2" pageNumber="35" phylum="Arthropoda" rank="species" species="baccatus">Atopogonus baccatus</taxonomicName>
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(Carl, 1926), by monotypy.
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</paragraph>
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<paragraph pageId="3" pageNumber="36">
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<pageBreakToken pageId="3" pageNumber="36" start="start">Other</pageBreakToken>
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assigned species:
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus adelphus" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="adelphus">Agathodesmus adelphus</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus aenigmaticus" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="aenigmaticus">Agathodesmus aenigmaticus</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus agnus" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="agnus">Agathodesmus agnus</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus anici" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="anici">Agathodesmus anici</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus bonang" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="bonang">Agathodesmus bonang</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus bucculentus" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="bucculentus">Agathodesmus bucculentus</taxonomicName>
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(Jeekel, 1986),
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus carorum" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="carorum">Agathodesmus carorum</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus chandleri" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="chandleri">Agathodesmus chandleri</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus gayundah" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="gayundah">Agathodesmus gayundah</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus hahnensis" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="hahnensis">Agathodesmus hahnensis</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus johnsi" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="johnsi">Agathodesmus johnsi</taxonomicName>
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Mesibov, 2009,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus kerensis" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="kerensis">Agathodesmus kerensis</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus kirrama" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="kirrama">Agathodesmus kirrama</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus millaa" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="millaa">Agathodesmus millaa</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus morwellensis" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="morwellensis">Agathodesmus morwellensis</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus parapholeus" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="parapholeus">Agathodesmus parapholeus</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus quintanus" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="quintanus">Agathodesmus quintanus</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus sagma" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="sagma">Agathodesmus sagma</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus summus" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="summus">Agathodesmus summus</taxonomicName>
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sp. n.,
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus yuccabinensis" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="yuccabinensis">Agathodesmus yuccabinensis</taxonomicName>
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sp. n.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="36" type="diagnosis">
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<paragraph pageId="3" pageNumber="36">Diagnosis.</paragraph>
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<paragraph pageId="3" pageNumber="36">
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Small
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<taxonomicName genus="Polydesmida" lsidName="Polydesmida" pageId="3" pageNumber="36" rank="genus">Polydesmida</taxonomicName>
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with head and 19 or 20 rings; body not curling in spiral; head and telson facing downwards; metatergites with numerous tubercles of varying sizes, sometimes bearing a single seta; ring 2 tergite extended laterally, basally and anteriorly, and edged with large tubercles; no paranota on posterior rings, but 'pseudo-paranota' of metatergal tubercles sometimes present above leg bases; gonopod with neither cannula nor prostatic groove, telopodites separate, each consisting of a more or less cylindrical proximal portion tipped with a thin tab, and a lamellar distal portion arising near the apex of the proximal portion and directed posterobasally or laterobasally.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="6" lastPageNumber="39" pageId="3" pageNumber="36" type="remarks">
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<paragraph pageId="3" pageNumber="36">Remarks.</paragraph>
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<paragraph pageId="3" pageNumber="36">
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The diagnosis above slightly amends the one given in
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<bibRefCitation author="Mesibov, R" journalOrPublisher="ZooKeys" pageId="30" pageNumber="63" pagination="87 - 110" title="Revision of Agathodesmus Silvestri, 1910 (Diplopoda: Polydesmida: Haplodesmidae)." url="10.3897/zookeys.12.206" volume="12" year="2009">Mesibov (2009)</bibRefCitation>
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.
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="genus">Agathodesmus</taxonomicName>
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as a genus is easily recognised by the distinctive structure of the gonopod telopodite (Fig. 2). The proximal portion (pp) is typically straight and usually more or less cylindrical, but with the medial and posterior surfaces flattened. The pp arises from the distomedial corner of the small, oblong gonocoxa, where its base is partly contained in a small concavity. The telopodite base may extend basally as a short, rounded projection (be) to overlap the apex of the gonocoxa in ventral or posterior view. The apex of the pp extends distally as a thin tab (at), and on or just below the tab on the posterior surface there are three long, closely adjacent, apical setae (as) in a row; scattered smaller setae may be present on the posterior surface of the pp. Arising just basal to the as on the posterodistal surface of the pp is the distal portion (dp) of the telopodite.
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<bibRefCitation author="Jeekel, CAW" journalOrPublisher="Beaufortia" pageId="30" pageNumber="63" pagination="35 - 50" title="Millipedes from Australia, 10: Three interesting new species and a new genus (Diplopoda: Sphaerotheriida, Spirobolida, Polydesmida)." volume="36" year="1986">Jeekel (1986)</bibRefCitation>
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used the word 'complicated' three times in his description of the dp ('acropodite') in
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus bucculentus" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="species" species="bucculentus">Agathodesmus bucculentus</taxonomicName>
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, and while the details of its structure can be very hard to put into words, some generalities are clear and are applicable to all known Australian
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="genus">Agathodesmus</taxonomicName>
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species. The dp is always directed posterobasally or laterobasally, giving the telopodite as a whole the appearance of a leg tightly bent at the knee. The main branch (mab) of the dp is flattened into a lamella and is usually divided into lobes. The lamella is typically curved so that the surface seen in posterior view is slightly convex, and the distal margin of the mab and portions of its inner, concave surface may be thickened or folded. A smaller, medial branch (meb) of the dp arises near the base of the dp on its medial side and usually curves laterally so that its tip is hidden behind the mab in ventral view. Portions of the meb are sometimes densely covered with fine, hair-like structures.
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</paragraph>
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<caption pageId="3" pageNumber="36">
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<paragraph pageId="3" pageNumber="36">
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Figure 2. Generalised gonopods of
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus" order="Polydesmida" pageId="3" pageNumber="36" phylum="Arthropoda" rank="genus">Agathodesmus</taxonomicName>
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spp., posterior view. as = apical setae, at = apical tab, be = basal extension of telopodite, dp = distal portion of telopodite, mab = main branch of distal portion of telopodite, meb = median branch of distal portion of telopodite, pp = proximal portion of telopodite.
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</paragraph>
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</caption>
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<paragraph lastPageId="4" lastPageNumber="37" pageId="3" pageNumber="36">
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In this paper I provide posterior or posterolateral gonopod views of all species described here. These views are convenient when examining males with tightly flexed telopodites, and with careful attention to shape and position, a posterior or posterolateral view is diagnostic. However, readers should be aware that important diagnostic details of the telopodites may be hidden in these views, and that in the SEM views published here, thin portions of the mab may have been distorted by drying.
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus" order="Polydesmida" pageId="4" pageNumber="37" phylum="Arthropoda" rank="genus">
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<pageBreakToken pageId="4" pageNumber="37" start="start">Agathodesmus</pageBreakToken>
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</taxonomicName>
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spp. are unusual among Australian
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<taxonomicName genus="Polydesmida" lsidName="Polydesmida" pageId="4" pageNumber="37" rank="genus">Polydesmida</taxonomicName>
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in their 'hidden' gonopod complexity, and manipulation of the telopodite to partially unbend it and separate the meb is often necessary for a positive identification.
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</paragraph>
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<paragraph pageId="4" pageNumber="37">
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When an
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus" order="Polydesmida" pageId="4" pageNumber="37" phylum="Arthropoda" rank="genus">Agathodesmus</taxonomicName>
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sp. gonopod is cleared with 80% lactic acid, the telopodite sometimes extends so that the angle between the pp and dp is greater than 90°. It is easy to imagine that the telopodite extends in this way during mating, and that the apical tab (at) serves as a check on the rotation of the telopodite 'knee'. A tab in a similar location is present anterior to the 'joint' in the pseudo-articulated gonopod telopodite of species in the Australian genus
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<taxonomicName class="Diplopoda" family="Dalodesmidae" genus="Ginglymodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ginglymodesmus" order="Polydesmida" pageId="4" pageNumber="37" phylum="Arthropoda" rank="genus">Ginglymodesmus</taxonomicName>
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(
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<taxonomicName family="Dalodesmidae" lsidName="" pageId="4" pageNumber="37" rank="family">Dalodesmidae</taxonomicName>
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) (
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<bibRefCitation author="Mesibov, R" journalOrPublisher="Zootaxa" pageId="30" pageNumber="63" pagination="39 - 49" title="A new genus of millipede (Diplopoda: Polydesmida: Dalodesmidae) from Tasmania with a pseudo-articulated gonopod telopodite." url="http://www.mapress.com/zootaxa/2005f/zt01064p049.pdf" volume="1064" year="2005">Mesibov 2005</bibRefCitation>
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). However, I have as yet no evidence to support the idea that the telopodite extends in living males. No
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus" order="Polydesmida" pageId="4" pageNumber="37" phylum="Arthropoda" rank="genus">Agathodesmus</taxonomicName>
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have been collected and preserved in copula, and in all of the 430+
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus" order="Polydesmida" pageId="4" pageNumber="37" phylum="Arthropoda" rank="genus">Agathodesmus</taxonomicName>
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males I have examined the uncleared gonopod telopodites are flexed.
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</paragraph>
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<paragraph pageId="4" pageNumber="37">
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Variation in most non-gonopod characters across the genus is minor and the redescription of the type species
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus steeli" order="Polydesmida" pageId="4" pageNumber="37" phylum="Arthropoda" rank="species" species="steeli">Agathodesmus steeli</taxonomicName>
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in
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<bibRefCitation author="Mesibov, R" journalOrPublisher="ZooKeys" pageId="30" pageNumber="63" pagination="87 - 110" title="Revision of Agathodesmus Silvestri, 1910 (Diplopoda: Polydesmida: Haplodesmidae)." url="10.3897/zookeys.12.206" volume="12" year="2009">Mesibov (2009)</bibRefCitation>
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applies to most details in the new species. The 'diagnostic descriptions' given below include only those characters known to vary significantly among Australian
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus" order="Polydesmida" pageId="4" pageNumber="37" phylum="Arthropoda" rank="genus">Agathodesmus</taxonomicName>
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spp.
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</paragraph>
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<paragraph pageId="5" pageNumber="38">
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<pageBreakToken pageId="5" pageNumber="38" start="start">In</pageBreakToken>
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12 of the 21 known Australian species, males and females have 19 body rings, in five species 20 rings, and in one species males have 19 rings and females 20; three species known only from males have 19, 19 and 20 rings. The smaller species generally have 19 rings and the larger 20 rings, but the correlation of ring number and body size is loose, and two of the largest Australian species have 19 rings (
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus kirrama" order="Polydesmida" pageId="5" pageNumber="38" phylum="Arthropoda" rank="species" species="kirrama">Agathodesmus kirrama</taxonomicName>
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sp. n. and
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus yuccabinensis" order="Polydesmida" pageId="5" pageNumber="38" phylum="Arthropoda" rank="species" species="yuccabinensis">Agathodesmus yuccabinensis</taxonomicName>
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sp. n.).
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</paragraph>
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<paragraph pageId="6" pageNumber="39">
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<pageBreakToken pageId="6" pageNumber="39" start="start">There</pageBreakToken>
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is also no apparent relationship between body size and the development (or absence) of the 'pseudo-paranota' formed by lateral metatergal tubercles on posterior rings (Fig. 3).
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</paragraph>
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<caption pageId="6" pageNumber="39">
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<paragraph pageId="6" pageNumber="39">
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Figure 3. 'Pseudo-paranotum' extremes. Lateral (A, C) and dorsal (B, D) views of midbody rings of
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus bucculentus" order="Polydesmida" pageId="6" pageNumber="39" phylum="Arthropoda" rank="species" species="bucculentus">Agathodesmus bucculentus</taxonomicName>
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(Jeekel, 1986) (A, B; no pseudo-paranotum; male ex ANIC 64-000332) and
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus gayundah" order="Polydesmida" pageId="6" pageNumber="39" phylum="Arthropoda" rank="species" species="gayundah">Agathodesmus gayundah</taxonomicName>
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sp. n. (C, D; wide pseudo-paranotum, p; male paratype ex QM S96038). Scale bars = 0.25 mm; A reversed (left-right) for clarity.
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</paragraph>
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</caption>
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<paragraph pageId="6" pageNumber="39">
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Although the metatergal setae in most Australian
|
|
<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus" order="Polydesmida" pageId="6" pageNumber="39" phylum="Arthropoda" rank="genus">Agathodesmus</taxonomicName>
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spp. are short with slightly flared tips (Fig. 4A), three of the newly described species have very long setae (Fig. 4B) and appear 'hairy' at low magnification.
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|
</paragraph>
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<caption pageId="6" pageNumber="39">
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<paragraph pageId="6" pageNumber="39">
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|
Figure 4. Metatergal setae on midbody rings. A
|
|
<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus bucculentus" order="Polydesmida" pageId="6" pageNumber="39" phylum="Arthropoda" rank="species" species="bucculentus">Agathodesmus bucculentus</taxonomicName>
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|
(Jeekel, 1986), short bipartite seta with slightly flared tip (male ex ANIC 64-000332) B
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|
<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus quintanus" order="Polydesmida" pageId="6" pageNumber="39" phylum="Arthropoda" rank="species" species="quintanus">Agathodesmus quintanus</taxonomicName>
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|
sp. n., very long bipartite setae with slightly flared tips (male paratype ex QM S96066). Scale bars: A = 0.02 mm, B = 0.2 mm.
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</paragraph>
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|
</caption>
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|
<paragraph pageId="6" pageNumber="39">
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While examining the new
|
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus" order="Polydesmida" pageId="6" pageNumber="39" phylum="Arthropoda" rank="genus">Agathodesmus</taxonomicName>
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|
species I was able to identify what appear to be spiracular openings, something I failed to do earlier (
|
|
<bibRefCitation author="Mesibov, R" journalOrPublisher="ZooKeys" pageId="30" pageNumber="63" pagination="87 - 110" title="Revision of Agathodesmus Silvestri, 1910 (Diplopoda: Polydesmida: Haplodesmidae)." url="10.3897/zookeys.12.206" volume="12" year="2009">Mesibov 2009</bibRefCitation>
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|
). The openings are minute (Fig. 5) and on diplosegments are both located close to the anterior leg base.
|
|
</paragraph>
|
|
<caption pageId="6" pageNumber="39">
|
|
<paragraph pageId="6" pageNumber="39">
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|
Figure 5. Presumed spiracular openings (arrows) on midbody rings. A
|
|
<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus steeli" order="Polydesmida" pageId="6" pageNumber="39" phylum="Arthropoda" rank="species" species="steeli">Agathodesmus steeli</taxonomicName>
|
|
Silvestri, 1910, AM KS107964, anterior spiracle (anterior to left) B
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|
<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus chandleri" order="Polydesmida" pageId="6" pageNumber="39" phylum="Arthropoda" rank="species" species="chandleri">Agathodesmus chandleri</taxonomicName>
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|
sp. n., posterior spiracle (anterior to right; male paratype ex series SAM OM-2004-2018). Scale bars = 0.25 mm.
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|
</paragraph>
|
|
</caption>
|
|
<paragraph pageId="6" pageNumber="39">
|
|
Finally, included here as Fig. 10D is a close-up of a typical
|
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<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus" order="Polydesmida" pageId="6" pageNumber="39" phylum="Arthropoda" rank="genus">Agathodesmus</taxonomicName>
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|
spp. ozopore, shown at much lower magnification in the
|
|
<taxonomicName class="Diplopoda" family="Haplodesmidae" genus="Agathodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agathodesmus steeli" order="Polydesmida" pageId="6" pageNumber="39" phylum="Arthropoda" rank="species" species="steeli">Agathodesmus steeli</taxonomicName>
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redescription (fig. 4B in
|
|
<bibRefCitation author="Mesibov, R" journalOrPublisher="ZooKeys" pageId="30" pageNumber="63" pagination="87 - 110" title="Revision of Agathodesmus Silvestri, 1910 (Diplopoda: Polydesmida: Haplodesmidae)." url="10.3897/zookeys.12.206" volume="12" year="2009">Mesibov 2009</bibRefCitation>
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|
).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |