155 lines
26 KiB
XML
155 lines
26 KiB
XML
<document id="EF5A16733DA1C18FDEAB9BCCF4CF58A1" ID-CLB-Dataset="61601" ID-DOI="10.1093/zoolinnean/zlab027" ID-GBIF-Dataset="507433fb-c54c-4c3a-9872-748cd6417b9d" ID-ISSN="0024-4082" ID-Zenodo-Dep="6599779" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1653990477549" checkinUser="plazi" docAuthor="Guo, Xiangbo, Selden, Paul A. & Ren, Dong" docDate="2022" docId="03A687EAFFDFFF91FC60F9BCFA7FFCA4" docLanguage="en" docName="zlab027.pdf" docOrigin="Zoological Journal of the Linnean Society 195" docSource="https://www.mendeley.com/catalogue/e9144677-a36a-374f-9b9f-ef35c5f8cd3c/" docStyle="DocumentStyle:36B3BD6A90C22AB4F7F465C853188CC8.7:ZoolJLinnSoc.2017-2023.journal_article" docStyleId="36B3BD6A90C22AB4F7F465C853188CC8" docStyleName="ZoolJLinnSoc.2017-2023.journal_article" docStyleVersion="7" docTitle="Scopomegops fax Guo & Selden & Ren 2022" docType="treatment" docVersion="6" lastPageNumber="404" masterDocId="FF9FFF92FFDCFF94FFE4FFDEFFDDFFC4" masterDocTitle="New specimens from Mid-Cretaceous Myanmar amber illuminate the phylogenetic placement of Lagonomegopidae (Arachnida: Araneae)" masterLastPageNumber="416" masterPageNumber="399" pageNumber="402" updateTime="1699338379358" updateUser="ExternalLinkService">
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<mods:title id="6099EEBD3964D6DC67BDE3173ED779FE">New specimens from Mid-Cretaceous Myanmar amber illuminate the phylogenetic placement of Lagonomegopidae (Arachnida: Araneae)</mods:title>
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<mods:namePart id="57914C2F87E92C5D7A1682D54C64E3A7">Guo, Xiangbo</mods:namePart>
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<mods:namePart id="2A205DB25D034CC42E74B3F836EF0F7E">Selden, Paul A.</mods:namePart>
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<mods:roleTerm id="D3EF09ADBEADB25DCF73A59CDBCFD509">Author</mods:roleTerm>
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<mods:namePart id="88FA387325871BAE3737C522FA69854B">Ren, Dong</mods:namePart>
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<mods:typeOfResource id="B324932A972EF16A417EA743575EBC9B">text</mods:typeOfResource>
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<mods:title id="EBFDD15E3B6B33AC29CB098AC62EF3C0">Zoological Journal of the Linnean Society</mods:title>
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<mods:part id="D504F68683281FE236F2C7F980E443D8">
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<mods:date id="385212B4D588BF8CC459488125562174">2022</mods:date>
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<mods:number id="3439C3F66C91F9A9FECEF376DEF7D085">2021-06-16</mods:number>
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<mods:number id="7931E38E696ABB11A4BE9D55EF98ACC0">195</mods:number>
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<treatment id="03A687EAFFDFFF91FC60F9BCFA7FFCA4" ID-DOI="http://doi.org/10.5281/zenodo.6599793" ID-GBIF-Taxon="195705139" ID-Zenodo-Dep="6599793" LSID="urn:lsid:plazi:treatment:03A687EAFFDFFF91FC60F9BCFA7FFCA4" httpUri="http://treatment.plazi.org/id/03A687EAFFDFFF91FC60F9BCFA7FFCA4" lastPageId="5" lastPageNumber="404" pageId="3" pageNumber="402">
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<subSubSection id="C3156577FFDFFF97FC60F9BCFA87F9BF" box="[900,1370,1634,1659]" pageId="3" pageNumber="402" type="nomenclature">
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<paragraph id="8BB036FCFFDFFF97FC60F9BCFA87F9BF" blockId="3.[900,1370,1634,1659]" box="[900,1370,1634,1659]" pageId="3" pageNumber="402">
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<heading id="D0F88190FFDFFF97FC60F9BCFA87F9BF" box="[900,1370,1634,1659]" centered="true" fontSize="9" level="2" pageId="3" pageNumber="402" reason="2">
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<taxonomicName id="4C0F4D7FFFDFFF97FC60F9BCFBB4F9BD" authorityName="Guo & Selden & Ren" authorityYear="2022" box="[900,1129,1634,1658]" class="Arachnida" family="Lagonomegopidae" genus="Scopomegops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="412" phylum="Arthropoda" rank="species" species="fax">
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<emphasis id="B97BEAEEFFDFFF97FC60F9BCFBB4F9BD" bold="true" box="[900,1129,1634,1658]" italics="true" pageId="3" pageNumber="402">SCOPOMEGOPS FAX</emphasis>
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</taxonomicName>
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GUO
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<emphasis id="B97BEAEEFFDFFF97FB4FF9B8FB37F9BE" box="[1195,1258,1638,1658]" italics="true" pageId="3" pageNumber="402">ET AL</emphasis>
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.
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<emphasis id="B97BEAEEFFDFFF97FB13F9BCFA8FF9BE" bold="true" box="[1271,1362,1634,1658]" pageId="3" pageNumber="402">sp. nov</emphasis>
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.
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3156577FFDFFF91FBA0F957FA7FFCA4" lastPageId="5" lastPageNumber="404" pageId="3" pageNumber="402" type="description">
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<paragraph id="8BB036FCFFDFFF97FBA0F957FB44F966" blockId="3.[1092,1177,1673,1698]" box="[1092,1177,1673,1698]" pageId="3" pageNumber="402">
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(
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<figureCitation id="13342A79FFDFFF97FBA9F957FB4CF966" box="[1101,1169,1673,1698]" captionStart="Figure 2" captionStartId="6.[145,225,1678,1700]" captionTargetBox="[191,1379,197,1637]" captionTargetId="figure-24@6.[189,1381,195,1638]" captionTargetPageId="6" captionText="Figure 2. Scopomegops fax, holotype CNU-ARA-MA2020001: A, habitus, lateral view; B, schematic drawing of lateral habitus; C, distal part of chelicerae, dorsal view, showing peg teeth; D, tibia and male palp of right pedipalp, dorsal view, showing retrolateral tibial apophysis (arrow); E, tarsus of left leg IV, lateral view, showing trichobothria (asterisks); F, metatarsus of left leg IV, lateral view, showing trichobothria (asterisks) and preening comb (arrow); G, cephalothorax, lateral view, showing eyes and abnormal left leg I; H, tibia of left pedipalp, lateral view, showing trichobothria (asterisks) and retrolateral tibial apophysis (arrow); I, left male palp, retrolateral view; J, left male palp, ventral view; K, 3D CT reconstruction of left male palp, ventral view; L, reconstruction of left male palp, ventral view. Scale bars represent 1 mm (A, B) 0.5 mm (G), 0.2 mm (D, E, F) and 0.1 mm (C, H, I, J, K, L)." figureDoi="http://doi.org/10.5281/zenodo.6599783" httpUri="https://zenodo.org/record/6599783/files/figure.png" pageId="3" pageNumber="402">FIG. 2</figureCitation>
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)
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</paragraph>
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<paragraph id="8BB036FCFFDFFF97FCDFF96FFA4EF922" blockId="3.[827,1443,1713,1766]" pageId="3" pageNumber="402">
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<emphasis id="B97BEAEEFFDFFF97FCDFF96FFBA1F903" box="[827,1148,1713,1735]" italics="true" pageId="3" pageNumber="402">Zoobank registration</emphasis>
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: u r n: l s i d: z o o b a n k. org:act:
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<uuid id="FFA90C29FFDFFF97FC6CF90EFA4EF922" box="[904,1427,1744,1766]" pageId="3" pageNumber="402">A897B322-B55F-4652-AF1C-FAD42209F78C</uuid>
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</paragraph>
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<paragraph id="8BB036FCFFDFFF97FCDFF920FA79F8F7" blockId="3.[827,1444,1790,1843]" pageId="3" pageNumber="402">
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<emphasis id="B97BEAEEFFDFFF97FCDFF920FC60F8D7" box="[827,957,1790,1811]" italics="true" pageId="3" pageNumber="402">Etymology:</emphasis>
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The specific name is the Latin noun
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<taxonomicName id="4C0F4D7FFFDFFF97FA9CF921FA41F8D0" authorityName="Guo & Selden & Ren" authorityYear="2022" box="[1400,1436,1791,1812]" class="Arachnida" family="Lagonomegopidae" genus="Scopomegops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="402" phylum="Arthropoda" rank="species" species="fax">
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<emphasis id="B97BEAEEFFDFFF97FA9CF921FA41F8D0" box="[1400,1436,1791,1812]" italics="true" pageId="3" pageNumber="402">fax</emphasis>
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</taxonomicName>
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, meaning torch, referring to the shape of the male palp.
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</paragraph>
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<paragraph id="8BB036FCFFDFFF97FCDFF882FA46F8B5" blockId="3.[827,1435,1884,1906]" box="[827,1435,1884,1906]" pageId="3" pageNumber="402">
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<emphasis id="B97BEAEEFFDFFF97FCDFF882FC78F8B5" box="[827,933,1884,1905]" italics="true" pageId="3" pageNumber="402">
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<typeStatus id="54B4885EFFDFFF97FCDFF882FC42F8B5" box="[827,927,1884,1905]" pageId="3" pageNumber="402" type="holotype">Holotype</typeStatus>
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:
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</emphasis>
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Male, specimen no. CNU-ARA-MA2020001.
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</paragraph>
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<caption id="DF706674FFD8FF90FF75F97CFE72F8D5" ID-DOI="http://doi.org/10.5281/zenodo.6599781" ID-Zenodo-Dep="6599781" httpUri="https://zenodo.org/record/6599781/files/figure.png" pageId="4" pageNumber="403" startId="4.[145,223,1698,1720]" targetBox="[147,1419,198,1647]" targetPageId="4">
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<paragraph id="8BB036FCFFD8FF90FF75F97CFE72F8D5" blockId="4.[145,1425,1698,1809]" pageId="4" pageNumber="403">
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<emphasis id="B97BEAEEFFD8FF90FF75F97CFF24F97C" bold="true" box="[145,249,1698,1720]" pageId="4" pageNumber="403">Figure 1.</emphasis>
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Strict consensus of ten trees obtained under implied weights analysis with
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<emphasis id="B97BEAEEFFD8FF90FBF3F97DFBF5F97C" box="[1047,1064,1699,1720]" italics="true" pageId="4" pageNumber="403">K</emphasis>
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values of 3.505 (topology identical to
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<emphasis id="B97BEAEEFFD8FF90FF49F91FFF63F912" box="[173,190,1729,1750]" italics="true" pageId="4" pageNumber="403">K</emphasis>
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values of 4.075, 4.793, 5.727, 6.991, 8.795 and 11.585). Symmetric resampling values are shown above branches, Bremer supports below branches. Sensitivity to weighting regimes: black squares are recovered topologies, white squares are unrecovered topologies.
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</paragraph>
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</caption>
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<paragraph id="8BB036FCFFD9FF91FF47FF1BFE83FEDC" blockId="5.[163,778,197,280]" pageId="5" pageNumber="404">
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<emphasis id="B97BEAEEFFD9FF91FF47FF1BFE60FF1E" box="[163,445,197,218]" italics="true" pageId="5" pageNumber="404">Locality and horizon:</emphasis>
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Hukawng Valley,
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<collectingRegion id="49CBF81EFFD9FF91FD54FF1BFF39FF3D" country="Myanmar" name="Kachin" pageId="5" pageNumber="404">Kachin State</collectingRegion>
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, northern
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<collectingCountry id="F318766CFFD9FF91FE81FF3AFE06FF3D" box="[357,475,228,249]" name="Myanmar" pageId="5" pageNumber="404">Myanmar</collectingCountry>
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; lowermost Cenomanian, Mid-Cretaceous.
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</paragraph>
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<paragraph id="8BB036FCFFD9FF91FF47FE9CFE3DFE93" blockId="5.[163,480,321,343]" box="[163,480,321,343]" pageId="5" pageNumber="404">
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<emphasis id="B97BEAEEFFD9FF91FF47FE9CFEC7FE93" box="[163,282,322,343]" italics="true" pageId="5" pageNumber="404">Diagnosis:</emphasis>
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As for the genus.
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</paragraph>
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<paragraph id="8BB036FCFFD9FF91FF47FE5EFCD1FDA8" blockId="5.[163,780,384,620]" pageId="5" pageNumber="404">
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<emphasis id="B97BEAEEFFD9FF91FF47FE5EFE41FE51" box="[163,412,384,405]" italics="true" pageId="5" pageNumber="404">Taphonomic features:</emphasis>
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CNU-ARA-MA2020001: femur, patella, tibia, metatarsus, tarsus of left leg II and metatarsus, tarsus of right leg I are missing; left leg I, caused by developmental malformation or autotomy, is much smaller than right leg I; the abdomen is compressed; there is a large bubble on the left side of the abdomen, and several small bubbles around the spider. A thrips near the left leg IV is present as a syninclusion.
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</paragraph>
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<paragraph id="8BB036FCFFD9FF91FF47FD46FD5DFAAB" blockId="5.[163,780,664,1882]" pageId="5" pageNumber="404">
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<emphasis id="B97BEAEEFFD9FF91FF47FD46FEF6FD69" box="[163,299,664,685]" italics="true" pageId="5" pageNumber="404">Description:</emphasis>
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Body length 4.97, carapace light-coloured medially, dark-coloured laterally, a pair of indistinct dark longitudinal stripes on abdomen dorsally. Carapace piriform in outline, length 2.44, width 1.54 at widest point, covered with short, dense, feathery setae pressed flat against the cuticle. Cephalic region of carapace slightly raised, with a pair of distinct protrusions beneath the inner side of PME (
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<figureCitation id="13342A79FFD9FF91FE53FCB0FDD1FC40" box="[439,524,878,900]" captionStart="Figure 2" captionStartId="6.[145,225,1678,1700]" captionTargetBox="[191,1379,197,1637]" captionTargetId="figure-24@6.[189,1381,195,1638]" captionTargetPageId="6" captionText="Figure 2. Scopomegops fax, holotype CNU-ARA-MA2020001: A, habitus, lateral view; B, schematic drawing of lateral habitus; C, distal part of chelicerae, dorsal view, showing peg teeth; D, tibia and male palp of right pedipalp, dorsal view, showing retrolateral tibial apophysis (arrow); E, tarsus of left leg IV, lateral view, showing trichobothria (asterisks); F, metatarsus of left leg IV, lateral view, showing trichobothria (asterisks) and preening comb (arrow); G, cephalothorax, lateral view, showing eyes and abnormal left leg I; H, tibia of left pedipalp, lateral view, showing trichobothria (asterisks) and retrolateral tibial apophysis (arrow); I, left male palp, retrolateral view; J, left male palp, ventral view; K, 3D CT reconstruction of left male palp, ventral view; L, reconstruction of left male palp, ventral view. Scale bars represent 1 mm (A, B) 0.5 mm (G), 0.2 mm (D, E, F) and 0.1 mm (C, H, I, J, K, L)." figureDoi="http://doi.org/10.5281/zenodo.6599783" httpUri="https://zenodo.org/record/6599783/files/figure.png" pageId="5" pageNumber="404">Fig. 2G</figureCitation>
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). Fovea oval, shallow, situated in the centre of carapace, next to the posterior margin of cephalic region. Eight eyes present; PME enormous,
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<quantity id="4CF79B19FFD9FF91FEC4FC15FEB2FC24" box="[288,367,970,992]" metricMagnitude="-2" metricUnit="m" metricValue="1.0922" pageId="5" pageNumber="404" unit="in" value="0.43">0.43 in</quantity>
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diameter, situated on anterolateral corner of carapace; PLE small, placed at the mediolateral margin of cephalic region, separated 0.50 from the PME centre; AME and ALE contiguous, situated between the PME and the clypeal margin (
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<figureCitation id="13342A79FFD9FF91FE14FB9BFDE2FB9E" box="[496,575,1093,1115]" captionStart="Figure 2" captionStartId="6.[145,225,1678,1700]" captionTargetBox="[191,1379,197,1637]" captionTargetId="figure-24@6.[189,1381,195,1638]" captionTargetPageId="6" captionText="Figure 2. Scopomegops fax, holotype CNU-ARA-MA2020001: A, habitus, lateral view; B, schematic drawing of lateral habitus; C, distal part of chelicerae, dorsal view, showing peg teeth; D, tibia and male palp of right pedipalp, dorsal view, showing retrolateral tibial apophysis (arrow); E, tarsus of left leg IV, lateral view, showing trichobothria (asterisks); F, metatarsus of left leg IV, lateral view, showing trichobothria (asterisks) and preening comb (arrow); G, cephalothorax, lateral view, showing eyes and abnormal left leg I; H, tibia of left pedipalp, lateral view, showing trichobothria (asterisks) and retrolateral tibial apophysis (arrow); I, left male palp, retrolateral view; J, left male palp, ventral view; K, 3D CT reconstruction of left male palp, ventral view; L, reconstruction of left male palp, ventral view. Scale bars represent 1 mm (A, B) 0.5 mm (G), 0.2 mm (D, E, F) and 0.1 mm (C, H, I, J, K, L)." figureDoi="http://doi.org/10.5281/zenodo.6599783" httpUri="https://zenodo.org/record/6599783/files/figure.png" pageId="5" pageNumber="404">Fig. 2G</figureCitation>
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). Chelicera length 0.96, and width 0.36 at base, cheliceral insertion close to mouthparts, stridulatory files absent. Fang length 0.33. Chelicera with about six peg teeth on promargin (
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<figureCitation id="13342A79FFD9FF91FD04FB7FFF1CFB11" captionStart="Figure 2" captionStartId="6.[145,225,1678,1700]" captionTargetBox="[191,1379,197,1637]" captionTargetId="figure-24@6.[189,1381,195,1638]" captionTargetPageId="6" captionText="Figure 2. Scopomegops fax, holotype CNU-ARA-MA2020001: A, habitus, lateral view; B, schematic drawing of lateral habitus; C, distal part of chelicerae, dorsal view, showing peg teeth; D, tibia and male palp of right pedipalp, dorsal view, showing retrolateral tibial apophysis (arrow); E, tarsus of left leg IV, lateral view, showing trichobothria (asterisks); F, metatarsus of left leg IV, lateral view, showing trichobothria (asterisks) and preening comb (arrow); G, cephalothorax, lateral view, showing eyes and abnormal left leg I; H, tibia of left pedipalp, lateral view, showing trichobothria (asterisks) and retrolateral tibial apophysis (arrow); I, left male palp, retrolateral view; J, left male palp, ventral view; K, 3D CT reconstruction of left male palp, ventral view; L, reconstruction of left male palp, ventral view. Scale bars represent 1 mm (A, B) 0.5 mm (G), 0.2 mm (D, E, F) and 0.1 mm (C, H, I, J, K, L)." figureDoi="http://doi.org/10.5281/zenodo.6599783" httpUri="https://zenodo.org/record/6599783/files/figure.png" pageId="5" pageNumber="404">Fig. 2C</figureCitation>
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); retromargin unrecognizable. Labium ligulate, longer than wide, not fused to sternum. Endites elongated, converging and meeting in midline; apex and prolateral margin of endites brushy with dense setae; serrula as a single row of teeth. Sternum shield shaped, covered with setae, slightly convex and without tubercles.
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</paragraph>
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<paragraph id="8BB036FCFFD9FF91FF5FFAA6FED9F904" blockId="5.[163,780,664,1882]" pageId="5" pageNumber="404">
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Palpal podomere lengths: fe 1.01, pa 0.40, ti 0.43, ta 0.98. Palp hairy, feathery setae at least present on tibia. Tibia with at least three dorsal trichobothria in a single row; a small apophysis present on the distal retrolateral surface of tibia, several clustered clavate spicules situated on the top of retrolateral apophysis (
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<figureCitation id="13342A79FFD9FF91FF4FF9EEFEFCF981" box="[171,289,1584,1606]" captionStart="Figure 2" captionStartId="6.[145,225,1678,1700]" captionTargetBox="[191,1379,197,1637]" captionTargetId="figure-24@6.[189,1381,195,1638]" captionTargetPageId="6" captionText="Figure 2. Scopomegops fax, holotype CNU-ARA-MA2020001: A, habitus, lateral view; B, schematic drawing of lateral habitus; C, distal part of chelicerae, dorsal view, showing peg teeth; D, tibia and male palp of right pedipalp, dorsal view, showing retrolateral tibial apophysis (arrow); E, tarsus of left leg IV, lateral view, showing trichobothria (asterisks); F, metatarsus of left leg IV, lateral view, showing trichobothria (asterisks) and preening comb (arrow); G, cephalothorax, lateral view, showing eyes and abnormal left leg I; H, tibia of left pedipalp, lateral view, showing trichobothria (asterisks) and retrolateral tibial apophysis (arrow); I, left male palp, retrolateral view; J, left male palp, ventral view; K, 3D CT reconstruction of left male palp, ventral view; L, reconstruction of left male palp, ventral view. Scale bars represent 1 mm (A, B) 0.5 mm (G), 0.2 mm (D, E, F) and 0.1 mm (C, H, I, J, K, L)." figureDoi="http://doi.org/10.5281/zenodo.6599783" httpUri="https://zenodo.org/record/6599783/files/figure.png" pageId="5" pageNumber="404">Fig. 2D, H</figureCitation>
|
||
). Male palp torch-like, cymbium elongate; embolus curved, slightly embraced by the long sheet conductor; median apophysis horn-like; subtegulum round, with a distally curved apophysis (
|
||
<figureCitation id="13342A79FFD9FF91FD72F952FCD9F965" box="[662,772,1676,1698]" captionStart="Figure 2" captionStartId="6.[145,225,1678,1700]" captionTargetBox="[191,1379,197,1637]" captionTargetId="figure-24@6.[189,1381,195,1638]" captionTargetPageId="6" captionText="Figure 2. Scopomegops fax, holotype CNU-ARA-MA2020001: A, habitus, lateral view; B, schematic drawing of lateral habitus; C, distal part of chelicerae, dorsal view, showing peg teeth; D, tibia and male palp of right pedipalp, dorsal view, showing retrolateral tibial apophysis (arrow); E, tarsus of left leg IV, lateral view, showing trichobothria (asterisks); F, metatarsus of left leg IV, lateral view, showing trichobothria (asterisks) and preening comb (arrow); G, cephalothorax, lateral view, showing eyes and abnormal left leg I; H, tibia of left pedipalp, lateral view, showing trichobothria (asterisks) and retrolateral tibial apophysis (arrow); I, left male palp, retrolateral view; J, left male palp, ventral view; K, 3D CT reconstruction of left male palp, ventral view; L, reconstruction of left male palp, ventral view. Scale bars represent 1 mm (A, B) 0.5 mm (G), 0.2 mm (D, E, F) and 0.1 mm (C, H, I, J, K, L)." figureDoi="http://doi.org/10.5281/zenodo.6599783" httpUri="https://zenodo.org/record/6599783/files/figure.png" pageId="5" pageNumber="404">Fig. 2I–L</figureCitation>
|
||
; File S4).
|
||
</paragraph>
|
||
<paragraph id="8BB036FCFFD9FF91FF5FF917FB9FFD8F" blockId="5.[163,780,664,1882]" lastBlockId="5.[827,1444,197,587]" pageId="5" pageNumber="404">
|
||
Legs long but no legs enlarged; metatarsus distinctly much longer than tarsus in all legs. Leg formula II> I> IV> III: leg I cx 0.64, tr 0.11, fe 2.81, pa 0.92, ti> 2.69; leg II cx 0.60, tr 0.11, fe 2.95, pa 0.84, ti 3.42, mt 2.42, ta 0.87; leg III cx 0.60, tr 0.10, fe 1.94, pa 0.65, ti 1.92, mt 1.13, ta 0.63; leg IV cx 0.65, tr 0.12, fe 2.51, pa 0.77, ti 2.28, mt 2.01, ta 0.82. Metatarsus and tarsus without scopulae. Distal preening comb composed of eight short macrosetae, present on metatarsus of posterior legs ventrally (
|
||
<figureCitation id="13342A79FFD9FF91FA9CFE9EFCA6FEB0" captionStart="Figure 2" captionStartId="6.[145,225,1678,1700]" captionTargetBox="[191,1379,197,1637]" captionTargetId="figure-24@6.[189,1381,195,1638]" captionTargetPageId="6" captionText="Figure 2. Scopomegops fax, holotype CNU-ARA-MA2020001: A, habitus, lateral view; B, schematic drawing of lateral habitus; C, distal part of chelicerae, dorsal view, showing peg teeth; D, tibia and male palp of right pedipalp, dorsal view, showing retrolateral tibial apophysis (arrow); E, tarsus of left leg IV, lateral view, showing trichobothria (asterisks); F, metatarsus of left leg IV, lateral view, showing trichobothria (asterisks) and preening comb (arrow); G, cephalothorax, lateral view, showing eyes and abnormal left leg I; H, tibia of left pedipalp, lateral view, showing trichobothria (asterisks) and retrolateral tibial apophysis (arrow); I, left male palp, retrolateral view; J, left male palp, ventral view; K, 3D CT reconstruction of left male palp, ventral view; L, reconstruction of left male palp, ventral view. Scale bars represent 1 mm (A, B) 0.5 mm (G), 0.2 mm (D, E, F) and 0.1 mm (C, H, I, J, K, L)." figureDoi="http://doi.org/10.5281/zenodo.6599783" httpUri="https://zenodo.org/record/6599783/files/figure.png" pageId="5" pageNumber="404">Fig. 2E, F</figureCitation>
|
||
). Feathery setae at least present on all tibia. Tibiae with about 14, metatarsi with about ten, tarsi with about ten trichobothria (
|
||
<figureCitation id="13342A79FFD9FF91FB74FE42FB22FE75" box="[1168,1279,412,434]" captionStart="Figure 2" captionStartId="6.[145,225,1678,1700]" captionTargetBox="[191,1379,197,1637]" captionTargetId="figure-24@6.[189,1381,195,1638]" captionTargetPageId="6" captionText="Figure 2. Scopomegops fax, holotype CNU-ARA-MA2020001: A, habitus, lateral view; B, schematic drawing of lateral habitus; C, distal part of chelicerae, dorsal view, showing peg teeth; D, tibia and male palp of right pedipalp, dorsal view, showing retrolateral tibial apophysis (arrow); E, tarsus of left leg IV, lateral view, showing trichobothria (asterisks); F, metatarsus of left leg IV, lateral view, showing trichobothria (asterisks) and preening comb (arrow); G, cephalothorax, lateral view, showing eyes and abnormal left leg I; H, tibia of left pedipalp, lateral view, showing trichobothria (asterisks) and retrolateral tibial apophysis (arrow); I, left male palp, retrolateral view; J, left male palp, ventral view; K, 3D CT reconstruction of left male palp, ventral view; L, reconstruction of left male palp, ventral view. Scale bars represent 1 mm (A, B) 0.5 mm (G), 0.2 mm (D, E, F) and 0.1 mm (C, H, I, J, K, L)." figureDoi="http://doi.org/10.5281/zenodo.6599783" httpUri="https://zenodo.org/record/6599783/files/figure.png" pageId="5" pageNumber="404">Fig. 2E, F</figureCitation>
|
||
). Three tarsal claws, paired claws with about four to five teeth, distal two teeth distinctly larger than others, median claw hook-like. Abdomen length 2.17, width> 0.66, densely covered with short setae. Four spinnerets visible, details unrecognizable.
|
||
</paragraph>
|
||
<paragraph id="8BB036FCFFD9FF91FCDFFDADFA7FFCA4" blockId="5.[827,1443,627,864]" pageId="5" pageNumber="404">
|
||
<emphasis id="B97BEAEEFFD9FF91FCDFFDADFC6DFD4C" box="[827,944,627,648]" italics="true" pageId="5" pageNumber="404">Remarks:</emphasis>
|
||
<typeStatus id="54B4885EFFD9FF91FC5FFDADFBF6FD4D" box="[955,1067,627,649]" pageId="5" pageNumber="404" type="holotype">Holotype</typeStatus>
|
||
with left leg I much smaller than right leg I. It was caused by developmental malformation or autotomy. Autotomy is a voluntary act allowing most spiders to amputate one of their own legs to escape from a perilous situation. Although the lost legs can be replaced by new ones regenerated after the next moult, these are usually smaller, and need further moults to grow into normal size (
|
||
<bibRefCitation id="EF9E4B0DFFD9FF91FAEFFC94FA4EFC9B" author="Foelix RF" box="[1291,1427,842,864]" pageId="5" pageNumber="404" refId="ref10860" refString="Foelix RF. 2011. Biology of spiders, 3 rd edn. New York: Oxford University Press." type="book" year="2011">Foelix, 2011</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |