230 lines
27 KiB
XML
230 lines
27 KiB
XML
<document id="EEF7E8D9028941CEC8793CF34D6BAB8B" ID-DOI="10.5281/zenodo.155975" ID-GBIF-Dataset="54273fc2-af37-410a-9576-e14493a48ff1" ID-ISSN="11755326" ID-Zenodo-Dep="155975" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459445034186" checkinUser="plazi" docAuthor="Shelley, Rowland M." docDate="2002" docId="03E087E4B11DFF94B36A4C69FB8640EC" docLanguage="en" docName="zt00115.pdf" docOrigin="Zootaxa 115" docStyle="DocumentStyle:FA7E419B012A62B0FC3AC15A186C3DAF.3:Zootaxa.2001-2006.journal_article" docStyleId="FA7E419B012A62B0FC3AC15A186C3DAF" docStyleName="Zootaxa.2001-2006.journal_article" docStyleVersion="3" docTitle="Myrmecodesmus mundus Chamberlin 1943" docType="treatment" docVersion="12" lastPageNumber="5" masterDocId="FFD9FF9CB11CFF90B262493DFFEF4552" masterDocTitle="Redescription of the milliped Myrmecodesmus mundus (Chamberlin) (Polydesmida: Pyrgodesmidae)" masterLastPageNumber="6" masterPageNumber="1" pageNumber="2" updateTime="1698190235259" updateUser="plazi">
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<mods:titleInfo id="A8226F9F2337521E488D5D94D81677A1">
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<mods:title id="85263D126040E50140DD2DA073178274">Redescription of the milliped Myrmecodesmus mundus (Chamberlin) (Polydesmida: Pyrgodesmidae)</mods:title>
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<mods:name id="BD3FFC488EB2C964B2F2661150CD8E8A" type="personal">
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<mods:roleTerm id="9FC0F9895113DA72D7A1D33603C5C358">Author</mods:roleTerm>
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<mods:namePart id="6E027D21EF3CA97EC922725243889C49">Shelley, Rowland M.</mods:namePart>
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<mods:typeOfResource id="DF2752ECC0E6316BD52A050657AAE490">text</mods:typeOfResource>
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<mods:title id="0DFD3E5E06DE067AC47D41A7F7A0B87B">Zootaxa</mods:title>
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<mods:part id="847C85EAE1CCAEE68E3B623E9321351E">
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<mods:date id="3A5B47A040B9C00DB5D2AD662BFB0140">2002</mods:date>
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<mods:detail id="48750353E0C1AD53780542386B59B21D" type="volume">
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<mods:number id="13E339938F56B69DFEC33CC043E40284">115</mods:number>
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<mods:start id="61C8D82071E5076993FFD37ECF0D3C1F">1</mods:start>
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<mods:classification id="FC0E7649EC1DA77230D7435327018155">journal article</mods:classification>
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<mods:identifier id="3AD11157B54918F2B684CEFDDE75027B" type="DOI">10.5281/zenodo.155975</mods:identifier>
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<treatment id="03E087E4B11DFF94B36A4C69FB8640EC" ID-DOI="http://doi.org/10.5281/zenodo.6279024" ID-GBIF-Taxon="119330587" ID-Zenodo-Dep="6279024" LSID="urn:lsid:plazi:treatment:03E087E4B11DFF94B36A4C69FB8640EC" httpUri="http://treatment.plazi.org/id/03E087E4B11DFF94B36A4C69FB8640EC" lastPageId="4" lastPageNumber="5" pageId="1" pageNumber="2">
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<subSubSection id="C3536579B11DFF91B36A4C69FE9740C2" pageId="1" pageNumber="2" type="nomenclature">
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<paragraph id="8BF636F2B11DFF91B36A4C69FCD7403F" blockId="1.[264,824,1363,1424]" box="[264,824,1363,1390]" pageId="1" pageNumber="2">
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<heading id="D0BE819EB11DFF91B36A4C69FCD7403F" bold="true" box="[264,824,1363,1390]" fontSize="11" level="1" pageId="1" pageNumber="2" reason="1">
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<taxonomicName id="4C494D71B11DFF91B36A4C69FCD7403F" ID-CoL="73TCT" authority="Chamberlin, 1943" authorityName="Chamberlin" authorityYear="1943" box="[264,824,1363,1390]" class="Diplopoda" family="Pyrgodesmidae" genus="Myrmecodesmus" kingdom="Animalia" order="Polydesmida" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="mundus">
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<emphasis id="B93DEAE0B11DFF91B36A4C69FCD7403F" bold="true" box="[264,824,1363,1390]" pageId="1" pageNumber="2">
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<emphasis id="B93DEAE0B11DFF91B36A4C69FDD2403C" bold="true" box="[264,573,1364,1390]" italics="true" pageId="1" pageNumber="2">Myrmecodesmus mundus</emphasis>
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(
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<bibRefCitation id="EFD84B03B11DFF91B02E4C6EFCDF403F" author="Chamberlin" box="[588,816,1363,1389]" pageId="1" pageNumber="5" refString="Chamberlin, R. V. (1943) On Mexican millipeds. Bulletin of the University of Utah, 34 (7) [Biological Series, 8 (3)], 1 - 103." type="journal article" year="1943">Chamberlin, 1943</bibRefCitation>
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)
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8BF636F2B11DFF91B36A4C4BFE9740C2" blockId="1.[264,824,1363,1424]" box="[264,376,1398,1424]" pageId="1" pageNumber="2">Figs. 16</paragraph>
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</subSubSection>
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<subSubSection id="C3536579B11DFF91B36A4CFAFC5140AC" pageId="1" pageNumber="2" type="reference_group">
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<paragraph id="8BF636F2B11DFF91B36A4CFAFC5140AC" blockId="1.[264,1119,1479,1534]" pageId="1" pageNumber="2">
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<treatmentCitationGroup id="AB5911DCB11DFF91B36A4CFAFC5140AC" pageId="1" pageNumber="2">
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<taxonomicName id="4C494D71B11DFF91B36A4CFAFD45408C" ID-CoL="38W3K" authority="Chamberlin, 1943:67" authorityName="Chamberlin" authorityPageNumber="67" authorityYear="1943" box="[264,682,1479,1502]" class="Diplopoda" family="Pyrgodesmidae" genus="Eirenyma" higherTaxonomySource="CoL" kingdom="Animalia" order="Polydesmida" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="munda">
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<emphasis id="B93DEAE0B11DFF91B36A4CFAFE51408C" box="[264,446,1479,1502]" italics="true" pageId="1" pageNumber="2">Eirenyma munda</emphasis>
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<treatmentCitation id="0AE810E3B11DFF91B3A74CFAFD45408C" author="Chamberlin" box="[453,682,1479,1502]" page="67" pageId="1" pageNumber="2" year="1943">
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<bibRefCitation id="EFD84B03B11DFF91B3A74CFAFD66408C" author="Chamberlin" box="[453,649,1479,1502]" pageId="1" pageNumber="5" refString="Chamberlin, R. V. (1943) On Mexican millipeds. Bulletin of the University of Utah, 34 (7) [Biological Series, 8 (3)], 1 - 103." type="journal article" year="1943">Chamberlin, 1943</bibRefCitation>
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:67
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</treatmentCitation>
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</taxonomicName>
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, pl. 16, figs. 162164.
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<treatmentCitation id="0AE810E3B11DFF91B1C34CFAFBB4408C" author="Loomis" box="[929,1115,1479,1502]" page="49" pageId="1" pageNumber="2" year="1968">
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<bibRefCitation id="EFD84B03B11DFF91B1C34CFAFBD6408C" author="Loomis" box="[929,1081,1479,1502]" pageId="1" pageNumber="6" refString="Loomis, H. F. (1968) A checklist of the millipeds of Mexico and Central America. Bulletin of the United States National Museum, No. 266, 1 - 137." type="book chapter" year="1968">Loomis, 1968</bibRefCitation>
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:49
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</treatmentCitation>
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.
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<taxonomicName id="4C494D71B11DFF91B36A4CDAFD3B40AC" ID-CoL="73TCT" authority="Shear, 1977:255" authorityName="Shear" authorityPageNumber="255" authorityYear="1977" box="[264,724,1511,1534]" class="Diplopoda" family="Pyrgodesmidae" genus="Myrmecodesmus" kingdom="Animalia" order="Polydesmida" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="mundus">
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<emphasis id="B93DEAE0B11DFF91B36A4CDAFDFA40AC" box="[264,533,1511,1534]" italics="true" pageId="1" pageNumber="2">Myrmecodesmus mundus</emphasis>
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:
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<treatmentCitation id="0AE810E3B11DFF91B0414CDAFD3B40AC" author="Shear" box="[547,724,1511,1534]" page="255" pageId="1" pageNumber="2" year="1977">
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<bibRefCitation id="EFD84B03B11DFF91B0414CDAFD4A40AC" author="Shear" box="[547,677,1511,1534]" pageId="1" pageNumber="6" refString="Shear, W. A. (1977) Millipeds (Diplopoda) from caves in Mexico, Belize and Guatemala. III. Accaemia Nazionale dei Lincei, Roma, Problemi Attuali di Scienza e di Cultura, Quaderno 171, Subterranean Fauna of Mexico - Part III, Volume for 1977, 235 - 265." type="journal article" year="1977">Shear, 1977</bibRefCitation>
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:255
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</treatmentCitation>
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</taxonomicName>
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.
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<treatmentCitation id="0AE810E3B11DFF91B0874CDAFC5540AC" author="Hoffman" box="[741,954,1511,1534]" page="494" pageId="1" pageNumber="2" year="1999">
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<bibRefCitation id="EFD84B03B11DFF91B0874CDAFC6540AC" author="Hoffman" box="[741,906,1511,1534]" pageId="1" pageNumber="6" refString="Hoffman, R. L. (1999) Checklist of the millipeds of North and Middle America. Virginia Museum of Natural History Special Publication, No. 8, 1 - 584." type="book chapter" year="1999">Hoffman, 1999</bibRefCitation>
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:494
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</treatmentCitation>
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.
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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||
<subSubSection id="C3536579B11DFF93B36A4F12FB8844D4" lastPageId="3" lastPageNumber="4" pageId="1" pageNumber="2" type="materials_examined">
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<paragraph id="8BF636F2B11DFF91B36A4F12FB6E4243" blockId="1.[264,1325,1583,1889]" pageId="1" pageNumber="2">
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<emphasis id="B93DEAE0B11DFF91B36A4F12FE25431A" box="[264,458,1583,1608]" italics="true" pageId="1" pageNumber="2">
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<typeStatus id="54F28850B11DFF91B36A4F12FED0431A" box="[264,319,1583,1608]" pageId="1" pageNumber="2">Type</typeStatus>
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specimens.
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</emphasis>
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Male
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<typeStatus id="54F28850B11DFF91B0444F12FD63431B" box="[550,652,1583,1609]" pageId="1" pageNumber="2" type="holotype">holotype</typeStatus>
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(
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<collectionCode id="ED58AE37B11DFF91B0FD4F12FD13431B" box="[671,764,1583,1609]" httpUri="http://grbio.org/cool/142r-0w94" name="Smithsonian Institution, National Museum of Natural History" pageId="1" pageNumber="2">NMNH</collectionCode>
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) collected by F. Bonet,
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<date id="FFF71032B11DFF91B6464F12FB26431B" box="[1060,1225,1583,1609]" pageId="1" pageNumber="2" value="1941-05-31">31 May 1941</date>
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, at Veracruz, Veracruz state,
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<collectingCountry id="F35E7662B11DFF91B0684F6AFD874323" box="[522,616,1623,1649]" name="Mexico" pageId="1" pageNumber="2">Mexico</collectingCountry>
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. Two male and two female
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<typeStatus id="54F28850B11DFF91B1D34F6AFBCE4323" box="[945,1057,1623,1649]" pageId="1" pageNumber="2" type="paratype">paratypes</typeStatus>
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(
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<collectionCode id="ED58AE37B11DFF91B6524F6AFB624323" box="[1072,1165,1623,1649]" httpUri="http://grbio.org/cool/142r-0w94" name="Smithsonian Institution, National Museum of Natural History" pageId="1" pageNumber="2">NMNH</collectionCode>
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) collected by C. Bolivar and F. Bonet,
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<date id="FFF71032B11DFF91B0504F42FCF743CB" box="[562,792,1663,1689]" pageId="1" pageNumber="2" value="1941-11-11">11 November 1941</date>
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, at Atoyac, a town ca.
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||
<quantity id="4CB19B17B11DFF91B64B4F42FB8143CB" box="[1065,1134,1663,1689]" metricMagnitude="4" metricUnit="m" metricValue="1.609344" pageId="1" pageNumber="2" unit="mi" value="10.0">10 mi</quantity>
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(
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<quantity id="4CB19B17B11DFF91B61D4F42FB2243CB" box="[1151,1229,1663,1689]" metricMagnitude="4" metricUnit="m" metricValue="1.6" pageId="1" pageNumber="2" unit="km" value="16.0">16 km</quantity>
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) E Cordoba or about
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<quantity id="4CB19B17B11DFF91B3CD4F9AFE1D4393" box="[431,498,1703,1729]" metricMagnitude="4" metricUnit="m" metricValue="7.242048" pageId="1" pageNumber="2" unit="mi" value="45.0">45 mi</quantity>
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(
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<quantity id="4CB19B17B11DFF91B0634F9AFDA14393" box="[513,590,1703,1729]" metricMagnitude="4" metricUnit="m" metricValue="7.2" pageId="1" pageNumber="2" unit="km" value="72.0">72 km</quantity>
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) W Veracruz City; coordinates for Atoyac are
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<geoCoordinate id="EE7D5035B11DFF91B60F4F9AFAC84393" box="[1133,1319,1703,1729]" direction="west" orientation="longitude" pageId="1" pageNumber="2" precision="1" value="-96.76967">96° 46' 10.8" W</geoCoordinate>
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,
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<geoCoordinate id="EE7D5035B11DFF91B36A4FF2FE5543BB" box="[264,442,1743,1769]" direction="north" orientation="latitude" pageId="1" pageNumber="2" precision="1" value="18.920416">
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18°55' 13.5"
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<bibRefCitation id="EFD84B03B11DFF91B3C34FF2FE5543BB" author="Chamberlin" box="[417,442,1743,1769]" pageId="1" pageNumber="5" refString="Chamberlin, R. V. (1943) On Mexican millipeds. Bulletin of the University of Utah, 34 (7) [Biological Series, 8 (3)], 1 - 103." type="journal article" year="1943">N</bibRefCitation>
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</geoCoordinate>
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. Chamberlin (1943) stated that this sample contained six specimens, one male and five females, but today there are four, two males and two females.
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</paragraph>
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<paragraph id="8BF636F2B11DFF92B35A4E22FD3E47CC" blockId="1.[264,1325,1583,1889]" lastBlockId="2.[264,1324,284,670]" lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2">
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||
<emphasis id="B93DEAE0B11DFF91B35A4E22FE44426A" box="[312,427,1823,1848]" italics="true" pageId="1" pageNumber="2">
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<typeStatus id="54F28850B11DFF91B35A4E22FE48426A" box="[312,423,1823,1848]" pageId="1" pageNumber="2" type="holotype">Holotype</typeStatus>
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.
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</emphasis>
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20 segments including epiproct. Length ca.
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<quantity id="4CB19B17B11DFF91B1B04E22FBDE426B" box="[978,1073,1823,1849]" metricMagnitude="-3" metricUnit="m" metricValue="3.4" pageId="1" pageNumber="2" unit="mm" value="3.4">3.4 mm</quantity>
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||
, maximum width ca.
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||
<quantity id="4CB19B17B11DFF91B36A4E7AFE884233" box="[264,359,1863,1889]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="1" pageNumber="2" unit="mm" value="0.6">0.6 mm</quantity>
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||
. Dorsum relatively light brown in color, paranota colorless; body heavily sclerotized. Collum with low, rounded, indistinct pustules, anterior margin relatively flat, not appreciably upturned, scallops shallowly separated, indistinct (Fig. 1). Tergite 2 with typical threelobed paranota (Fig. 2, top), paramedian tubercles coalesced into low, indistinct carinae, caudal segmental margin smooth and sublinear, slightly crenulated laterad. Remaining tergites more strongly crenulated laterad, carinae becoming progressively more distinct caudad, those on segment 19 moderately elongated into two broad lobes, overhanging and extending beyond epiproct, obscuring latter in dorsal view. Paranota with two indistinct, subequal lobes on segments 318, broadly rounded on 19 (Fig. 2); porosteles totally absent. Epiproct small and smoothly rounded, without lobes or crenulations. Legs and sterna without modifications.
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||
</paragraph>
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||
<paragraph id="8BF636F2B11EFF92B36A4F47FD0543E6" blockId="2.[264,1323,1658,1716]" pageId="2" pageNumber="3">
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||
<emphasis id="B93DEAE0B11EFF92B36A4F47FE5643C0" bold="true" box="[264,441,1658,1682]" pageId="2" pageNumber="3">FIGURES. 12.</emphasis>
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<taxonomicName id="4C494D71B11EFF92B3A24F46FD2043C0" box="[448,719,1659,1682]" class="Diplopoda" family="Pyrgodesmidae" genus="Myrmecodesmus" kingdom="Animalia" order="Polydesmida" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="mundus">
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||
<emphasis id="B93DEAE0B11EFF92B3A24F46FD2043C0" box="[448,719,1659,1682]" italics="true" pageId="2" pageNumber="3">Myrmecodesmus mundus</emphasis>
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</taxonomicName>
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||
<typeStatus id="54F28850B11EFF92B0B54F47FCD743C3" box="[727,824,1658,1681]" pageId="2" pageNumber="3" type="holotype">holotype</typeStatus>
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. 1, profile of collum margin, dorsal view. 2, profiles of paranota of segments 3, 5, and 19.
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</paragraph>
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<paragraph id="8BF636F2B11EFF93B35A4E2DFB8844D4" blockId="2.[264,1324,1808,1874]" lastBlockId="3.[264,1323,284,590]" lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3">
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||
Gonopod (
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||
<figureCitation id="13722A77B11EFF92B3D44E2DFDCE4278" box="[438,545,1808,1834]" captionStart="FIGURES 3 6" captionStartId="3.[264,383,1667,1691]" captionTargetBox="[424,1159,668,1651]" captionTargetId="figure@3.[423,1159,665,1655]" captionTargetPageId="3" captionText="FIGURES 3 6. Gonopods (480 x magnification). 3, telopodite of left gonopod of holotype, caudal view. 4, the same, anterior view. 5, telopodite of left gonopod of paratype, caudal view. 6, the same, anterior view. P, prefemoral process; T, telopodite." httpUri="https://zenodo.org/record/155976/files/figure.png" pageId="2" pageNumber="3">Figs. 34</figureCitation>
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||
) minute, details visible only under high magnification; telopodite a simple, broadly curved blade, without branches, with slight flange distad on caudal side, tip curving slightly dorsad, acuminate. Prefemoral process short, divided into two branches, caudal one longer, closely appressed to base of telopodite, bending abruptly ventrad distally, narrowing apically; anterior branch short and broad, upright.
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C3536579B11FFF93B35A48A9FC8D420E" pageId="3" pageNumber="4" type="description">
|
||
<paragraph id="8BF636F2B11FFF93B35A48A9FB62471C" blockId="3.[264,1323,284,590]" pageId="3" pageNumber="4">
|
||
<emphasis id="B93DEAE0B11FFF93B35A48A9FE0444FF" box="[312,491,404,429]" italics="true" pageId="3" pageNumber="4">
|
||
Male
|
||
<typeStatus id="54F28850B11FFF93B3E248A9FE0444FF" box="[384,491,404,429]" pageId="3" pageNumber="4" type="paratype">Paratype</typeStatus>
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||
</emphasis>
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||
. Agreeing closely with
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<typeStatus id="54F28850B11FFF93B14748A9FC6344FC" box="[805,908,404,430]" pageId="3" pageNumber="4" type="holotype">holotype</typeStatus>
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in somatic features but paranotal lobes slightly more distinct and caudally projecting crests on segment 19 shorter and narrower. Gonopod (
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<figureCitation id="13722A77B11FFF93B3BE48D9FDAA44AC" box="[476,581,484,510]" captionStart="FIGURES 3 6" captionStartId="3.[264,383,1667,1691]" captionTargetBox="[424,1159,668,1651]" captionTargetId="figure@3.[423,1159,665,1655]" captionTargetPageId="3" captionText="FIGURES 3 6. Gonopods (480 x magnification). 3, telopodite of left gonopod of holotype, caudal view. 4, the same, anterior view. 5, telopodite of left gonopod of paratype, caudal view. 6, the same, anterior view. P, prefemoral process; T, telopodite." httpUri="https://zenodo.org/record/155976/files/figure.png" pageId="3" pageNumber="4">Figs. 56</figureCitation>
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||
) with telopodite upright basally, bending abruptly anteriad near midlength. Prefemoral process with caudal branch slightly sinuate but generally upright, anterior branch redivided into two sharply acuminate, subequal subbranches.
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</paragraph>
|
||
<caption id="DF36667AB11FFF93B36A4FBEFC82438D" httpUri="https://zenodo.org/record/155976/files/figure.png" pageId="3" pageNumber="4" targetBox="[424,1159,668,1651]" targetPageId="3">
|
||
<paragraph id="8BF636F2B11FFF93B36A4FBEFC82438D" blockId="3.[264,1323,1667,1759]" pageId="3" pageNumber="4">
|
||
<emphasis id="B93DEAE0B11FFF93B36A4FBEFE4043C9" bold="true" box="[264,431,1667,1691]" pageId="3" pageNumber="4">FIGURES 36.</emphasis>
|
||
Gonopods (480x magnification). 3, telopodite of left gonopod of holotype, caudal view. 4, the same, anterior view. 5, telopodite of left gonopod of paratype, caudal view. 6, the same, anterior view. P, prefemoral process; T, telopodite.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BF636F2B11FFF93B35A4E1CFC8D420E" blockId="3.[264,1322,1824,1890]" pageId="3" pageNumber="4">
|
||
<emphasis id="B93DEAE0B11FFF93B35A4E1CFE794268" box="[312,406,1825,1850]" italics="true" pageId="3" pageNumber="4">Ecology</emphasis>
|
||
. The
|
||
<typeStatus id="54F28850B11FFF93B3814E1DFDA54268" box="[483,586,1824,1850]" pageId="3" pageNumber="4" type="holotype">holotype</typeStatus>
|
||
was collected from under $leaves of Camarina#; the
|
||
<typeStatus id="54F28850B11FFF93B6D84E1DFAC54268" box="[1210,1322,1824,1850]" pageId="3" pageNumber="4" type="paratype">paratypes</typeStatus>
|
||
were encountered in $tropical woods under leaves.#
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3536579B118FF94B35A4821FBC44464" box="[312,1067,284,310]" pageId="4" pageNumber="5" type="distribution">
|
||
<paragraph id="8BF636F2B118FF94B35A4821FBC44464" blockId="4.[264,1324,284,1470]" box="[312,1067,284,310]" pageId="4" pageNumber="5">
|
||
<emphasis id="B93DEAE0B118FF94B35A4821FE284467" box="[312,455,284,309]" italics="true" pageId="4" pageNumber="5">Distribution</emphasis>
|
||
. Known only from the
|
||
<typeStatus id="54F28850B118FF94B0834821FCFB4464" box="[737,788,284,310]" pageId="4" pageNumber="5">type</typeStatus>
|
||
and
|
||
<typeStatus id="54F28850B118FF94B12F4821FC5D4464" box="[845,946,284,310]" pageId="4" pageNumber="5" type="paratype">paratype</typeStatus>
|
||
localities.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3536579B118FF94B35A4879FB8640EC" pageId="4" pageNumber="5" type="discussion">
|
||
<paragraph id="8BF636F2B118FF94B35A4879FB8640EC" blockId="4.[264,1324,284,1470]" pageId="4" pageNumber="5">
|
||
<emphasis id="B93DEAE0B118FF94B35A4879FE49440F" box="[312,422,324,349]" italics="true" pageId="4" pageNumber="5">Remarks.</emphasis>
|
||
I cannot improve on Chamberlin s drawing (1943, fig. 163) of the caudal segments, but his illustration of the gonopodal telopodite of the
|
||
<typeStatus id="54F28850B118FF94B19E4851FB8C44D4" box="[1020,1123,364,390]" pageId="4" pageNumber="5" type="holotype">holotype</typeStatus>
|
||
(1943, fig. 164), a simple, uncinate blade (a $hook#) without a prefemoral process, is wholly inadequate and misleading. While the telopodite lacks secondary projections, it possesses a distal flange on the caudal margin, and there is a minute prefemoral process consisting of two branches (figs. 34); the
|
||
<typeStatus id="54F28850B118FF94B3A14B31FDC74774" box="[451,552,524,550]" pageId="4" pageNumber="5" type="paratype">paratype</typeStatus>
|
||
prefemoral process consists of three branches, the anterior one redivided. Thus in this short distance of only
|
||
<quantity id="4CB19B17B118FF94B1414B09FC88471C" box="[803,871,564,590]" metricMagnitude="4" metricUnit="m" metricValue="7.242048" pageId="4" pageNumber="5" unit="mi" value="45.0">45 mi</quantity>
|
||
(
|
||
<quantity id="4CB19B17B118FF94B1144B09FC2C471C" box="[886,963,564,590]" metricMagnitude="4" metricUnit="m" metricValue="7.2" pageId="4" pageNumber="5" unit="km" value="72.0">72 km</quantity>
|
||
) there is seemingly significant variation in the structure of the prefemoral process, and the
|
||
<typeStatus id="54F28850B118FF94B1B64B61FBD64724" box="[980,1081,604,630]" pageId="4" pageNumber="5" type="paratype">paratype</typeStatus>
|
||
s telopodite is more upright and bends abruptly, though still possessing a distocaudal flange. This difference may justify specific recognition of the
|
||
<typeStatus id="54F28850B118FF94B0BC4B91FCBE4794" box="[734,849,684,710]" pageId="4" pageNumber="5" type="paratype">paratypes</typeStatus>
|
||
, but more material and further study is needed to determine this definitely. However, the division of the prefemoral process becomes significant when it is noted that the structure in the Texas species, some
|
||
<quantity id="4CB19B17B118FF94B6B54BC1FAC44644" box="[1239,1323,764,790]" metricMagnitude="6" metricUnit="m" metricValue="1.2874752" pageId="4" pageNumber="5" unit="mi" value="800.0">800 mi</quantity>
|
||
(
|
||
<quantity id="4CB19B17B118FF94B3724A19FE68466C" box="[272,391,804,830]" metricMagnitude="6" metricUnit="m" metricValue="1.28" pageId="4" pageNumber="5" unit="km" value="1280.0">1,280 km</quantity>
|
||
) to the north in Kendall County, is similarly divided into two ultra minute, acuminate banches (
|
||
<bibRefCitation id="EFD84B03B118FF94B3954A71FCCA4634" author="Shelley" box="[503,805,844,870]" pageId="4" pageNumber="6" refString="Shelley, R. M. (2003) The milliped family Pyrgodesmidae in the continental United States, with the first record of Poratia digitata (Porat) from the Bahamas (Diplopoda: Polydesmida). Journal of Natural History, in press." type="book" year="2003">Shelley 2003, figs. 1920</bibRefCitation>
|
||
), basically the configuration in the
|
||
<typeStatus id="54F28850B118FF94B6A44A71FAC44634" box="[1222,1323,844,870]" pageId="4" pageNumber="5" type="paratype">paratype</typeStatus>
|
||
of
|
||
<taxonomicName id="4C494D71B118FF94B34E4A49FE5C46DF" box="[300,435,884,909]" class="Diplopoda" family="Pyrgodesmidae" genus="Myrmecodesmus" kingdom="Animalia" order="Polydesmida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="mundus">
|
||
<emphasis id="B93DEAE0B118FF94B34E4A49FE5C46DF" box="[300,435,884,909]" italics="true" pageId="4" pageNumber="5">M. mundus</emphasis>
|
||
</taxonomicName>
|
||
minus the caudal branch. Likewise, the telopodite in the Texas species appears to be a simple, uncinate $hook# under low magnification, but high power reveals that it curves more strongly and is structurally complex, with a side branch, the presumed solenomere, and a divided and redivided tip. Consequently, the basic gonopodal pattern in both species is a simple, curvilinear, bladelike telopodite and divided prefemoral process. The affinities of the Texas species therefore appear to lie with
|
||
<taxonomicName id="4C494D71B118FF94B18B4D01FB834107" box="[1001,1132,1084,1109]" class="Diplopoda" family="Pyrgodesmidae" genus="Myrmecodesmus" kingdom="Animalia" order="Polydesmida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="mundus">
|
||
<emphasis id="B93DEAE0B118FF94B18B4D01FB834107" box="[1001,1132,1084,1109]" italics="true" pageId="4" pageNumber="5">M. mundus</emphasis>
|
||
</taxonomicName>
|
||
, and both are at the low end of the generic size spectrum, being about
|
||
<quantity id="4CB19B17B118FF94B1E84D59FC20412C" box="[906,975,1124,1150]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="4" pageNumber="5" unit="mm" value="3.0">3 mm</quantity>
|
||
in total length. Innumerable additional species of
|
||
<taxonomicName id="4C494D71B118FF94B0674DB1FD2541F7" box="[517,714,1164,1189]" class="Diplopoda" family="Pyrgodesmidae" genus="Myrmecodesmus" kingdom="Animalia" order="Polydesmida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B93DEAE0B118FF94B0674DB1FD2541F7" box="[517,714,1164,1189]" italics="true" pageId="4" pageNumber="5">Myrmecodesmus</emphasis>
|
||
</taxonomicName>
|
||
probably await discovery in Texas and
|
||
<collectingCountry id="F35E7662B118FF94B6C54DB1FAEB41F4" box="[1191,1284,1164,1190]" name="Mexico" pageId="4" pageNumber="5">Mexico</collectingCountry>
|
||
, so while we are likely only beginning to catalog the genus, we may be seeing the basis for delineating one $species group# that ranges at least from central Veracruz to the vicinity of San Antonio, Texas & minute forms with the aforementioned gonopodal pattern in which there may be telopodal elaborations and the caudal or possibly the anterior prefemoral branch may be lost. While the trend in diplopodology is not to recognize species groups taxonomically, it should be noted that the name,
|
||
<taxonomicName id="4C494D71B118FF94B12A4C41FB7740C4" authority="Chamberlin, 1943" authorityName="Chamberlin" authorityYear="1943" box="[840,1176,1404,1430]" class="Diplopoda" family="Pyrgodesmidae" genus="Eirenyma" higherTaxonomySource="CoL" kingdom="Animalia" order="Polydesmida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B93DEAE0B118FF94B12A4C41FC5740C7" box="[840,952,1404,1429]" italics="true" pageId="4" pageNumber="5">Eirenyma</emphasis>
|
||
<bibRefCitation id="EFD84B03B118FF94B1A34C41FB7740C4" author="Chamberlin" box="[961,1176,1404,1430]" pageId="4" pageNumber="5" refString="Chamberlin, R. V. (1943) On Mexican millipeds. Bulletin of the University of Utah, 34 (7) [Biological Series, 8 (3)], 1 - 103." type="journal article" year="1943">Chamberlin, 1943</bibRefCitation>
|
||
</taxonomicName>
|
||
, is available to denote a subgeneric entity if a future student decides such is warranted.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |