161 lines
24 KiB
XML
161 lines
24 KiB
XML
<document id="5589AB4C97C5E094B4021D02D635DBC9" ID-DOI="10.1080/00222933.2012.691996" ID-ISSN="1464-5262" ID-Zenodo-Dep="5200265" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1628906149156" checkinUser="felipe" docAuthor="Grau, José Horacio, Sluys, Ronald, Froehlich, Eudóxia Maria & Carbayo, Fernando" docDate="2012" docId="03B787AAFFA23A16FE6762F2FD8CC1BB" docLanguage="en" docName="JNatHist.46.25-26.1529-1546.pdf" docOrigin="Journal of Natural History 46 (25 - 26)" docSource="http://dx.doi.org/10.1080/00222933.2012.691996" docStyle="DocumentStyle:DE8A86AD4006EFA56F95B2AAEFBF2813.5:JNatHist.2008-2012.journal_article.2cover" docStyleId="DE8A86AD4006EFA56F95B2AAEFBF2813" docStyleName="JNatHist.2008-2012.journal_article.2cover" docStyleVersion="5" docTitle="Amaga amagensis" docType="treatment" docVersion="3" lastPageNumber="1533" masterDocId="FF8EFFD2FFA63A11FF816706FF8BC430" masterDocTitle="Reflections on the genus Amaga Ogren and Kawakatsu 1990, and description of a new genus of land planarian (Platyhelminthes: Tricladida: Geoplanidae)" masterLastPageNumber="1546" masterPageNumber="1529" pageNumber="1531" updateTime="1699056197280" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="4A698EA54327EDEF6C38DE0557394130">Reflections on the genus Amaga Ogren and Kawakatsu 1990, and description of a new genus of land planarian (Platyhelminthes: Tricladida: Geoplanidae)</mods:title>
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<mods:namePart id="6B000AEAFFA53D269EA35AB7482D9211">Grau, José Horacio</mods:namePart>
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<mods:namePart id="6229FABD6929794924F0D30771160899">Sluys, Ronald</mods:namePart>
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<mods:namePart id="8CAD8BDEE8ECFE8E68901A0AD8045193">Froehlich, Eudóxia Maria</mods:namePart>
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<mods:roleTerm id="FBA22FA26FEBB35877D8AEE3FAA9B2F3">Author</mods:roleTerm>
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<mods:namePart id="5DDCB2BAEB06F16A5672EBFE0973CCAE">Carbayo, Fernando</mods:namePart>
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<mods:typeOfResource id="830A85774EA5AD4FB015986D365B612F">text</mods:typeOfResource>
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<mods:title id="12172B317D0E221C7035F92AC68AD725">Journal of Natural History</mods:title>
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<mods:date id="BFC1E98C9E1631F299B8DA486BC0E757">2012</mods:date>
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<mods:number id="6E5A025341AE2142BA4D09C358535779">2012-07-31</mods:number>
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<mods:detail id="75D734EB052E93062EF0540A63ABEF97" type="volume">
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<mods:number id="468A678B7F821B3AAB6B3EFA177A5700">46</mods:number>
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<mods:number id="0CC729243944056B072EBAC907F60A1E">25 - 26</mods:number>
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<mods:start id="20747709C3A022A99CCB9CC676DC35AE">1529</mods:start>
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<mods:url id="637EFC4E27C42750FCB51131C52C2492">http://dx.doi.org/10.1080/00222933.2012.691996</mods:url>
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<mods:classification id="824A30D3C067D05A94ADCBB9649639C2">journal article</mods:classification>
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<mods:identifier id="CCF2F696571F190961B2CC42622CE76A" type="DOI">10.1080/00222933.2012.691996</mods:identifier>
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<mods:identifier id="48954D311DCAED1D4716367ABA533922" type="ISSN">1464-5262</mods:identifier>
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<treatment id="03B787AAFFA23A16FE6762F2FD8CC1BB" LSID="urn:lsid:plazi:treatment:03B787AAFFA23A16FE6762F2FD8CC1BB" httpUri="http://treatment.plazi.org/id/03B787AAFFA23A16FE6762F2FD8CC1BB" lastPageId="7" lastPageNumber="1533" pageId="4" pageNumber="1531">
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<subSubSection id="C3046537FFA23A15FE6762F2FC0AC23C" box="[486,897,1524,1548]" pageId="4" pageNumber="1531" type="nomenclature">
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<paragraph id="8BA136BCFFA23A15FE6762F2FC0AC23C" blockId="4.[486,897,1524,1548]" box="[486,897,1524,1548]" pageId="4" pageNumber="1531">
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<heading id="D0E981D0FFA23A15FE6762F2FC0AC23C" box="[486,897,1524,1548]" centered="true" fontSize="36" level="2" pageId="4" pageNumber="1531" reason="7">
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<taxonomicName id="4C1E4D3FFFA23A15FE6762F2FC0AC23C" ID-CoL="CDB8" authority="(Fuhrmann, 1914)" baseAuthorityName="Fuhrmann" baseAuthorityYear="1914" box="[486,897,1524,1548]" family="Geoplanidae" genus="Amaga" kingdom="Animalia" order="Tricladida" pageId="4" pageNumber="1531" phylum="Platyhelminthes" rank="species" species="amagensis">
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<emphasis id="B96AEAAEFFA23A15FE6762F2FD20C23C" bold="true" box="[486,683,1524,1548]" italics="true" pageId="4" pageNumber="1531">Amaga amagensis</emphasis>
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(
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<bibRefCitation id="EF8F4B4DFFA23A15FD3B62F2FCF2C23C" author="Fuhrmann O" box="[698,889,1524,1548]" pageId="4" pageNumber="1531" pagination="748 - 792" refId="ref7990" refString="Fuhrmann O. 1914. Planaires terrestres de Colombie. In: Fuhrmann O, Mayor E. editors. " Voyage d'Exploration Scientifique en Colombie ". Mem Soc Sci Natur de Neuchatel. 5 (2): 748 - 792 + 3 pls." type="book chapter" year="1914">Fuhrmann, 1914</bibRefCitation>
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)
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3046537FFA23A14FF52613DFF72C56F" lastPageId="5" lastPageNumber="1532" pageId="4" pageNumber="1531" type="materials_examined">
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<paragraph id="8BA136BCFFA23A15FF52613DFE2EC264" blockId="4.[211,421,1595,1620]" box="[211,421,1595,1620]" pageId="4" pageNumber="1531">
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<emphasis id="B96AEAAEFFA23A15FF52613DFE2EC264" bold="true" box="[211,421,1595,1620]" italics="true" pageId="4" pageNumber="1531">Material examined</emphasis>
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</paragraph>
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<paragraph id="8BA136BCFFA23A14FF526162FF72C56F" blockId="4.[211,1172,1635,1723]" lastBlockId="5.[143,1104,167,351]" lastPageId="5" lastPageNumber="1532" pageId="4" pageNumber="1531">
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<materialsCitation id="3B763CE1FFA23A14FF526162FF7EC56F" country="Colombia" elevation="1700" lastPageId="5" lastPageNumber="1532" location="Cafetal la Camelia" pageId="4" pageNumber="1531" specimenCount="1" typeStatus="holotype">
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<typeStatus id="54A5881EFFA23A15FF526162FE81C24C" box="[211,266,1636,1660]" pageId="4" pageNumber="1531">Type</typeStatus>
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material: NHM 1928.1.4.83–88 + 1928.1.4.90–91 + 1928.1.4.112 + 1928.1. 4.92–95, sagittal sections of the pharynx and copulatory organs; 1928.1.4.110–111 + 1928.1.4.113 + 1928.1.4.89 + 1928.1.4.114–115, sagittal sections of the posterior end of a second animal; 1928.1.4.96–109, transversal section of pre-pharyngeal region; 1928.1.4.116–120, horizontal sections of the anterior end;
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<location id="8EC16067FFA33A14FC9767C1FC62C4EF" LSID="urn:lsid:plazi:treatment:03B787AAFFA23A16FE6762F2FD8CC1BB:8EC16067FFA33A14FC9767C1FC62C4EF" box="[790,1001,199,223]" country="Colombia" name="Cafetal la Camelia" pageId="5" pageNumber="1532">Cafetal la Camelia</location>
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, south of the
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<taxonomicName id="4C1E4D3FFFA33A14FF3B67E1FE87C4CF" authorityName="Ogren and Kawakatsu" authorityYear="1990" box="[186,268,231,255]" family="Geoplanidae" genus="Amaga" kingdom="Animalia" order="Tricladida" pageId="5" pageNumber="1532" phylum="Platyhelminthes" rank="genus">Amagá</taxonomicName>
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river valley,
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<collectingCountry id="F309762CFFA33A14FE1F67E1FD99C4CF" box="[414,530,231,255]" name="Colombia" pageId="5" pageNumber="1532">Colombia</collectingCountry>
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, altitude
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<quantity id="4CE69B59FFA33A14FDFD67E1FC9AC4CF" box="[636,785,231,255]" metricMagnitude="3" metricUnit="m" metricValue="1.7" metricValueMax="1.8" metricValueMin="1.6" pageId="5" pageNumber="1532" unit="m" value="1700.0" valueMax="1800.0" valueMin="1600.0">
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<elevation id="0033D18FFFA33A14FDFD67E1FC9AC4CF" box="[636,785,231,255]" metricMagnitude="3" metricUnit="m" metricValue="1.7" metricValueMax="1.8" metricValueMin="1.6" pageId="5" pageNumber="1532" unit="m" value="1700.0" valueMax="1800.0" valueMin="1600.0">1600–1800 m</elevation>
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</quantity>
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(note that there is a mix up in the numbering and assignment of slides to specimens concerning the two sagittally sectioned animals; the order given above represents the original, continuous series of sections)
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3046537FFA33A16FF0E6689FD8CC1BB" lastPageId="7" lastPageNumber="1534" pageId="5" pageNumber="1532" type="description">
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<paragraph id="8BA136BCFFA33A14FF0E6689FE85C597" blockId="5.[143,270,399,423]" box="[143,270,399,423]" pageId="5" pageNumber="1532">
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<emphasis id="B96AEAAEFFA33A14FF0E6689FE85C597" bold="true" box="[143,270,399,423]" italics="true" pageId="5" pageNumber="1532">Description</emphasis>
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</paragraph>
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<paragraph id="8BA136BCFFA33A14FF0E66B0FE78C5DE" blockId="5.[143,1104,438,781]" pageId="5" pageNumber="1532">
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Body height 1800 µm. Creeping sole wide and ciliated, up to 90% of the body width in transverse sections (
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<figureCitation id="13252A39FFA33A14FEEE66D0FE6DC5DE" box="[367,486,470,494]" captionStart="Figure 1" captionStartId="5.[143,210,1609,1631]" captionTargetBox="[143,1102,827,1573]" captionTargetId="figure-203@5.[143,1102,826,1573]" captionTargetPageId="5" captionText="Figure 1. Amaga amagensis. NHM 1928. (A) Transverse reconstruction of pre-pharyngeal region. (B) Transverse section of pre-pharyngeal region, showing dorsal position of testes. (C) Transverse section of glandular ridge. See text for abbreviations." figureDoi="http://doi.org/10.5281/zenodo.5200267" httpUri="https://zenodo.org/record/5200267/files/figure.png" pageId="5" pageNumber="1532">Figure 1A</figureCitation>
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).
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</paragraph>
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<paragraph id="8BA136BCFFA33A14FF3B66F1FD7DC65E" blockId="5.[143,1104,438,781]" pageId="5" pageNumber="1532">Eye cups distributed anteriorly in a single row; diameter of the pigment cup ranging from 40 to 60 µm. In the pre-pharyngeal region the eyes extend marginally in irregular rows. Sensory pits inconspicuous in anterior part, absent in pre-pharyngeal region. Nervous system arranged in a flat nerve plexus.</paragraph>
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<paragraph id="8BA136BCFFA33A14FF3B6570FCE9C73D" blockId="5.[143,1104,438,781]" pageId="5" pageNumber="1532">
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Xanthophil secretions open to the exterior at the margins of the body, forming a glandular ridge or margin (
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<figureCitation id="13252A39FFA33A14FE5B6593FDE7C69D" box="[474,620,661,685]" captionStart="Figure 1" captionStartId="5.[143,210,1609,1631]" captionTargetBox="[143,1102,827,1573]" captionTargetId="figure-203@5.[143,1102,826,1573]" captionTargetPageId="5" captionText="Figure 1. Amaga amagensis. NHM 1928. (A) Transverse reconstruction of pre-pharyngeal region. (B) Transverse section of pre-pharyngeal region, showing dorsal position of testes. (C) Transverse section of glandular ridge. See text for abbreviations." figureDoi="http://doi.org/10.5281/zenodo.5200267" httpUri="https://zenodo.org/record/5200267/files/figure.png" pageId="5" pageNumber="1532">Figure 1A,C</figureCitation>
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). Rhabdite-forming cells are distributed in the dorsal parenchyma. Epidermal cells of the dorsal body surface densely packed with rhabdites; ventral epidermis sparsely provided with small rhabdites. The dorsal epidermis (30 µm) is thicker than the ventral epidermis (20 µm).
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</paragraph>
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<caption id="DF616634FFA33A14FF0E614FFC9FC2AA" ID-DOI="http://doi.org/10.5281/zenodo.5200267" ID-Zenodo-Dep="5200267" httpUri="https://zenodo.org/record/5200267/files/figure.png" pageId="5" pageNumber="1532" startId="5.[143,210,1609,1631]" targetBox="[143,1102,827,1573]" targetPageId="5">
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<paragraph id="8BA136BCFFA33A14FF0E614FFC9FC2AA" blockId="5.[143,1104,1609,1690]" pageId="5" pageNumber="1532">
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Figure 1.
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<emphasis id="B96AEAAEFFA33A14FF7D614CFE31C26F" box="[252,442,1610,1631]" italics="true" pageId="5" pageNumber="1532">
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<taxonomicName id="4C1E4D3FFFA33A14FF7D614CFE3DC26F" baseAuthorityName="Fuhrmann" baseAuthorityYear="1914" box="[252,438,1610,1631]" family="Geoplanidae" genus="Amaga" kingdom="Animalia" order="Tricladida" pageId="5" pageNumber="1532" phylum="Platyhelminthes" rank="species" species="amagensis">Amaga amagensis</taxonomicName>
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.
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</emphasis>
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NHM 1928. (A) Transverse reconstruction of pre-pharyngeal region. (B) Transverse section of pre-pharyngeal region, showing dorsal position of testes. (C) Transverse section of glandular ridge. See text for abbreviations.
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</paragraph>
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</caption>
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<paragraph id="8BA136BCFFA03A17FF7F67A1FCBEC5AE" blockId="6.[211,1172,167,1690]" pageId="6" pageNumber="1533">Subepidermal musculature tripartite, composed of circular, double diagonal and longitudinal layers. Longitudinal layer packed in small, separate bundles, stronger dorsally (60–75 µm high) than ventrally (40–50 µm high). In the anterior region the subepidermal musculature has the same arrangement as in the rest of the body, so does not exhibit any specialization. Parenchymal musculature weak, composed of a few thin, obliquely running fibres, and other fibres arranged in three layers: supraintestinal and subintestinal transversal layers, and a dorsal double layer of diagonal fibres. Longitudinal parenchymal muscle fibres absent.</paragraph>
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<paragraph id="8BA136BCFFA03A17FF7F66A0FCF5C6AE" blockId="6.[211,1172,167,1690]" pageId="6" pageNumber="1533">
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Pharynx incompletely present in the
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<typeStatus id="54A5881EFFA03A17FD1866A1FD42C58F" box="[665,713,423,447]" pageId="6" pageNumber="1533">type</typeStatus>
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material. Mouth located at least
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||
<quantity id="4CE69B59FFA03A17FBBE66A0FB1FC58E" box="[1087,1172,422,446]" metricMagnitude="-3" metricUnit="m" metricValue="5.6" pageId="6" pageNumber="1533" unit="mm" value="5.6">5.6 mm</quantity>
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from the posterior end of the pharyngeal pouch. Pharynx of the collar-type, long and flat and highly folded. Oesophagus not observed, as the root of the pharynx was not present in the slides of the
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<typeStatus id="54A5881EFFA03A17FD046501FD3EC62F" box="[645,693,519,543]" pageId="6" pageNumber="1533">type</typeStatus>
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material. Pharyngeal pouch mainly surrounded by circular muscle fibres, with a few interspersed longitudinal fibres. Outer pharynx epithelium ciliated. Outer pharyngeal musculature composed of thin layers of intermingled longitudinal and circular muscles. Inner pharyngeal musculature not observed, as only the external pharynx layers were sectioned.
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</paragraph>
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<paragraph id="8BA136BCFFA03A17FF7F65A3FD61C12B" blockId="6.[211,1172,167,1690]" pageId="6" pageNumber="1533">
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The globular testes measure about 200 × 320 µm. The testes are located dorsally and placed above the parenchymal supra-intestinal transversal muscle layer (
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<figureCitation id="13252A39FFA03A17FF5A65E3FEE1C6CD" box="[219,362,741,765]" captionStart="Figure 1" captionStartId="5.[143,210,1609,1631]" captionTargetBox="[143,1102,827,1573]" captionTargetId="figure-203@5.[143,1102,826,1573]" captionTargetPageId="5" captionText="Figure 1. Amaga amagensis. NHM 1928. (A) Transverse reconstruction of pre-pharyngeal region. (B) Transverse section of pre-pharyngeal region, showing dorsal position of testes. (C) Transverse section of glandular ridge. See text for abbreviations." figureDoi="http://doi.org/10.5281/zenodo.5200267" httpUri="https://zenodo.org/record/5200267/files/figure.png" pageId="6" pageNumber="1533">Figure 1A,B</figureCitation>
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). The follicles are arranged in multiple irregular rows on each side of the pre-pharyngeal region of the body. Vasa deferentia densely filled with spermatozoa. Each vas deferens communicates terminally with one of the branches of the bifurcated prostatic vesicle (
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<figureCitation id="13252A39FFA03A17FE196443FDA0C76D" box="[408,555,837,861]" captionStart="Figure 2" captionStartId="7.[143,210,1009,1031]" captionTargetBox="[143,1102,168,976]" captionTargetId="figure-5@7.[143,1102,168,976]" captionTargetPageId="7" captionText="Figure 2. Amaga amagensis. NHM 1928. (A) Sagittal reconstruction of copulatory apparatus of specimen B. (B) Sagittal reconstruction of copulatory apparatus of specimen A. See text for abbreviations." figureDoi="http://doi.org/10.5281/zenodo.5200269" httpUri="https://zenodo.org/record/5200269/files/figure.png" pageId="6" pageNumber="1533">Figure 2A,B</figureCitation>
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||
). Prostatic vesicle anteriorly bifurcated with two long branches (about
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<quantity id="4CE69B59FFA03A17FE116463FE6FC74D" box="[400,484,869,893]" metricMagnitude="-3" metricUnit="m" metricValue="2.1" pageId="6" pageNumber="1533" unit="mm" value="2.1">2.1 mm</quantity>
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long) (
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||
<figureCitation id="13252A39FFA03A17FDB56463FD4EC74D" box="[564,709,869,893]" captionStart="Figure 2" captionStartId="7.[143,210,1009,1031]" captionTargetBox="[143,1102,168,976]" captionTargetId="figure-5@7.[143,1102,168,976]" captionTargetPageId="7" captionText="Figure 2. Amaga amagensis. NHM 1928. (A) Sagittal reconstruction of copulatory apparatus of specimen B. (B) Sagittal reconstruction of copulatory apparatus of specimen A. See text for abbreviations." figureDoi="http://doi.org/10.5281/zenodo.5200269" httpUri="https://zenodo.org/record/5200269/files/figure.png" pageId="6" pageNumber="1533">Figure 2A,B</figureCitation>
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). From the point where the two branches unite, the prostatic vesicle curves anteriad and subsequently posteriad and penetrates the common muscular coat of the copulatory apparatus. The tubular prostatic vesicle is lined with a cuboidal, nucleated and ciliated epithelium. It is surrounded by a thick (20–25 µm) layer of intermingled longitudinal and circular muscle fibres (
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<figureCitation id="13252A39FFA03A17FB9064E2FB0CC7CC" box="[1041,1159,996,1020]" captionStart="Figure 6" captionStartId="14.[211,278,924,946]" captionTargetBox="[211,1170,168,889]" captionTargetId="figure-5@14.[211,1170,168,890]" captionTargetPageId="14" captionText="Figure 6. (A) Bogga bogotensis. ZMA V.Pl. 6904.1, sagittal section of secretory papillae. (B) Amaga amagensis. NHM 1928, sagittal section of branch of prostatic vesicle. (C) Bogga bogotensis. Holotype, sagittal reconstruction drawing of position of the ovaries. (D) Bogga bogotensis, ZMA V.Pl. 6904.1, sagittal section of secretory papillae. See text for abbreviations." figureDoi="http://doi.org/10.5281/zenodo.5200278" httpUri="https://zenodo.org/record/5200278/files/figure.png" pageId="6" pageNumber="1533">Figure 6B</figureCitation>
|
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). The prostatic vesicle is surrounded also by brownish, granular secretions, which are discharged into its proximal section. Upon penetrating the muscular coat of the copulatory apparatus, the prostatic vesicle communicates with the ejaculatory duct. The latter is lined with cuboidal, nucleated and ciliated cells and is surrounded by a thin layer of circular muscles. The penis is of the eversible
|
||
<typeStatus id="54A5881EFFA03A17FCB66382FCE2C0AC" box="[823,873,1156,1180]" pageId="6" pageNumber="1533">type</typeStatus>
|
||
, consisting of an irregular fold traversed by the ejaculatory duct and is covered by a cuboidal, nucleated epithelium, which is underlain by a layer of circular muscle. In
|
||
<specimenCount id="9D18FD35FFA03A17FCEF63C2FB83C0EB" box="[878,1032,1219,1243]" pageId="6" pageNumber="1533" type="generic">one specimen</specimenCount>
|
||
the penis is everted (
|
||
<figureCitation id="13252A39FFA03A17FEB563E5FE23C0CB" box="[308,424,1251,1275]" captionStart="Figure 2" captionStartId="7.[143,210,1009,1031]" captionTargetBox="[143,1102,168,976]" captionTargetId="figure-5@7.[143,1102,168,976]" captionTargetPageId="7" captionText="Figure 2. Amaga amagensis. NHM 1928. (A) Sagittal reconstruction of copulatory apparatus of specimen B. (B) Sagittal reconstruction of copulatory apparatus of specimen A. See text for abbreviations." figureDoi="http://doi.org/10.5281/zenodo.5200269" httpUri="https://zenodo.org/record/5200269/files/figure.png" pageId="6" pageNumber="1533">Figure 2B</figureCitation>
|
||
) and has a globular shape. In the other specimen the penis is not everted and has a small penial fold (
|
||
<figureCitation id="13252A39FFA03A17FDE46205FD56C12B" box="[613,733,1283,1307]" captionStart="Figure 2" captionStartId="7.[143,210,1009,1031]" captionTargetBox="[143,1102,168,976]" captionTargetId="figure-5@7.[143,1102,168,976]" captionTargetPageId="7" captionText="Figure 2. Amaga amagensis. NHM 1928. (A) Sagittal reconstruction of copulatory apparatus of specimen B. (B) Sagittal reconstruction of copulatory apparatus of specimen A. See text for abbreviations." figureDoi="http://doi.org/10.5281/zenodo.5200269" httpUri="https://zenodo.org/record/5200269/files/figure.png" pageId="6" pageNumber="1533">Figure 2A</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BA136BCFFA03A17FF7F6225FCFCC22A" blockId="6.[211,1172,167,1690]" pageId="6" pageNumber="1533">The male atrium consists of an irregularly and elaborately folded cavity, with most folds located at the dorsal side of the atrium. Male atrium about 1.5 times longer than female atrium and surrounded by orange–brown granular secretions that are discharged through its epithelium. Male atrium lined with a squamous, non-ciliated and nucleated epithelium, which is underlain by a weak layer of circular muscles. Glands that are stained dark purple discharge their secretion through the epithelial lining of the gonopore. The common muscular coat that envelopes the male and female copulatory apparatus is composed of loosely arranged fibres</paragraph>
|
||
<paragraph id="8BA136BCFFA03A16FF7F6124FD8CC1BB" blockId="6.[211,1172,167,1690]" lastBlockId="7.[143,1104,1172,1419]" lastPageId="7" lastPageNumber="1534" pageId="6" pageNumber="1533">
|
||
The vitellarian follicles are located dorsally and ventrally to the intestinal branches. Ovaries are placed
|
||
<quantity id="4CE69B59FFA03A17FE246144FE73C26A" box="[421,504,1602,1626]" metricMagnitude="-3" metricUnit="m" metricValue="1.1" pageId="6" pageNumber="1533" unit="mm" value="1.1">1.1 mm</quantity>
|
||
from the anterior tip, measuring about 500 µm in dorsoventral direction and 250 µm in width. Ovaries embedded in the transversal subintestinal parenchymatic muscle layer. Oviducal tubes not conspicuous. Ovovitelline duct emerges from the ventrolateral part of each ovary. At the level of the gonopore the ovovitelline ducts ascend at a 45
|
||
<superScript id="7C6B9BF4FFA13A16FD8663B6FD9BC0F1" attach="left" box="[519,528,1200,1217]" fontSize="7" pageId="7" pageNumber="1534">◦</superScript>
|
||
angle towards the dorsal body surface and eventually open separately into the vagina. Just before communicating with the vagina, the oviducts receive the secretion of shell glands. The nucleated epithelium of the oviducts is surrounded by a thin layer of circular muscles. The female atrium consists of a cavity lined with a nucleated, non-ciliated epithelium. The vagina emerges from the posterodorsal section of the female atrium and curves anterodorsally, attaining a somewhat horizontal orientation.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |