338 lines
39 KiB
XML
338 lines
39 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/fr.25.e84604" ID-Pensoft-Pub="2193-0074-1-147" ID-Pensoft-UUID="78E78880F4095BA2B0F947505C456D99" ID-ZooBank="91C70EDD7ACE492EAA7F1CE884018AE6" ModsDocID="2193-0074-25-1-147" checkinTime="1667366264315" checkinUser="pensoft" docAuthor="Wang, He, Matzke-Karasz, Renate & Horne, David J." docDate="2022" docId="507D0072630955BCB0084C46DC525DE8" docLanguage="en" docName="FossilRecord 25(1): 147-172" docOrigin="Fossil Record 25 (1)" docPubDate="2022-06-02" docSource="http://dx.doi.org/10.3897/fr.25.e84604" docTitle="Sanyuania sp." docType="treatment" docVersion="1" id="78E78880F4095BA2B0F947505C456D99" lastPageNumber="147" masterDocId="78E78880F4095BA2B0F947505C456D99" masterDocTitle="Mid-Cretaceous coastal amber forest palaeoenvironment revealed by exceptionally preserved ostracods from an extant lineage" masterLastPageNumber="172" masterPageNumber="147" pageNumber="147" updateTime="1667366264315" updateUser="pensoft">
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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>Mid-Cretaceous coastal amber forest palaeoenvironment revealed by exceptionally preserved ostracods from an extant lineage</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wang, He</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-5822-3309</mods:nameIdentifier>
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<mods:affiliation>Nanjing Institute of Geology and Palaeontology Chinese Academy of Sciences, 39 East Beijing Road, Nanjing 210008, China</mods:affiliation>
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<mods:nameIdentifier type="email">wanghe0701@163.com</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Matzke-Karasz, Renate</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-8010-2028</mods:nameIdentifier>
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<mods:affiliation>Department of Earth and Environmental Sciences, Palaeontology and Geobiology, Ludwig-Maximilians-Universitaet Muenchen, Richard-Wagner-Strasse 10, 80333 Muenchen, Germany</mods:affiliation>
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<mods:nameIdentifier type="email">r.matzke@lrz.uni-muenchen.de</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Horne, David J.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-2148-437X</mods:nameIdentifier>
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<mods:affiliation>School of Geography, Queen Mary University of London, Mile End Road, London E 1 4 NS, UK</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>Fossil Record</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-06-02</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>25</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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||
<mods:number>1</mods:number>
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</mods:detail>
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||
<mods:extent unit="page">
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<mods:start>147</mods:start>
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<mods:end>172</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/fr.25.e84604</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/fr.25.e84604</mods:identifier>
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<mods:identifier type="Pensoft-Pub">2193-0074-1-147</mods:identifier>
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<mods:identifier type="ZooBank">91C70EDD7ACE492EAA7F1CE884018AE6</mods:identifier>
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<mods:identifier type="Pensoft-UUID">78E78880F4095BA2B0F947505C456D99</mods:identifier>
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</mods:mods>
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<subSection pageId="0" pageNumber="147" type="3. systematic palaeontology">
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<treatment LSID="urn:lsid:plazi:treatment:507D0072630955BCB0084C46DC525DE8" httpUri="http://treatment.plazi.org/id/507D0072630955BCB0084C46DC525DE8" lastPageNumber="147" pageId="0" pageNumber="147">
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<subSubSection pageId="0" pageNumber="147" type="nomenclature">
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<paragraph pageId="0" pageNumber="147">
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<taxonomicName LSID="507D0072-6309-55BC-B008-4C46DC525DE8" authority="sp." authorityName="sp." class="Ostracoda" family="Loxoconchidae" genus="Sanyuania" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Sanyuania" order="Podocopida" pageId="0" pageNumber="147" phylum="Arthropoda" rank="genus">Sanyuania sp.</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="147" type="description">
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<paragraph pageId="0" pageNumber="147">
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<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Microtomographic reconstruction of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8), surface rendering and soft parts of BA 19005 - 8, surface renderings. A-E. With same scale, carapace; F-R. With same scale, soft parts. A. RV external; B. RV internal; C. LV external; D. LV internal; E. Dorsal view, anterior to left; F. A 1, right; G. A 1, left; H. A 2, right; I. A 2, left; J. Md, right; K. Md, lef; L. Mxl, right; M. Mxl, left; N. L 5, right; O. L 5, left; P. L 6, right; Q. L 6, left; R. L 7, right." figureDoi="10.3897/fr.25.e84604.figure14" httpUri="https://binary.pensoft.net/fig/691514" pageId="0" pageNumber="147">Figs 14</figureCitation>
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<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Drawings of appendages of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8). A. A 1; B. A 2; C. Mxl; D. HP; E. Md; F. L 5; G. L 6; H. L 7. Scale bar: 10 µm." figureDoi="10.3897/fr.25.e84604.figure15" httpUri="https://binary.pensoft.net/fig/691515" pageId="0" pageNumber="147">, 15</figureCitation>
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<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Microtomographic reconstruction of Sanyuania sp., based on data of adult male (BA 19005 - 8), volume rendering. A. Oblique ventral view into gaping carapace with flaps for improved valve overlap (arrows); B. Mouth area from ventral, with labrum (la), labium (lb), mandible (Md) and maxillula (Mxl); C. Cross section in posterior region, with very thick and robust valves; D. Anterior body region with A 1 and A 2 and presumed sac of spinneret gland (highlighted); E. Mandible (highlighted); F. Soft body with L 5, L 6 and L 7 and HP; G. HP in dorsal view (highlighted). Scale bars 100 µm (A, C, D, F); 10 µm (B, E, G)." figureDoi="10.3897/fr.25.e84604.figure16" httpUri="https://binary.pensoft.net/fig/691516" pageId="0" pageNumber="147">, 16</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="147" type="materials_examined">
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<paragraph pageId="0" pageNumber="147">Material.</paragraph>
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<paragraph pageId="0" pageNumber="147">Single male specimen; BA19005-8.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="147" type="description">
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<paragraph pageId="0" pageNumber="147">Dimensions.</paragraph>
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<paragraph pageId="0" pageNumber="147">
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L = 245
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, H = 116
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, W ≈ 120
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<normalizedToken originalValue="μm">μm</normalizedToken>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="147" type="description">
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<paragraph pageId="0" pageNumber="147">Description.</paragraph>
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<paragraph pageId="0" pageNumber="147">
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Carapace (Figs
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<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Microtomographic reconstruction of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8), surface rendering and soft parts of BA 19005 - 8, surface renderings. A-E. With same scale, carapace; F-R. With same scale, soft parts. A. RV external; B. RV internal; C. LV external; D. LV internal; E. Dorsal view, anterior to left; F. A 1, right; G. A 1, left; H. A 2, right; I. A 2, left; J. Md, right; K. Md, lef; L. Mxl, right; M. Mxl, left; N. L 5, right; O. L 5, left; P. L 6, right; Q. L 6, left; R. L 7, right." figureDoi="10.3897/fr.25.e84604.figure14" httpUri="https://binary.pensoft.net/fig/691514" pageId="0" pageNumber="147">14A-E</figureCitation>
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,
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<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Microtomographic reconstruction of Sanyuania sp., based on data of adult male (BA 19005 - 8), volume rendering. A. Oblique ventral view into gaping carapace with flaps for improved valve overlap (arrows); B. Mouth area from ventral, with labrum (la), labium (lb), mandible (Md) and maxillula (Mxl); C. Cross section in posterior region, with very thick and robust valves; D. Anterior body region with A 1 and A 2 and presumed sac of spinneret gland (highlighted); E. Mandible (highlighted); F. Soft body with L 5, L 6 and L 7 and HP; G. HP in dorsal view (highlighted). Scale bars 100 µm (A, C, D, F); 10 µm (B, E, G)." figureDoi="10.3897/fr.25.e84604.figure16" httpUri="https://binary.pensoft.net/fig/691516" pageId="0" pageNumber="147">16A, C</figureCitation>
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) small subtriangular shape in lateral view. Greatest height at
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<normalizedToken originalValue="¼">1/4</normalizedToken>
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of length. Anterior margin broadly rounded. Posterior margin narrowly rounded. Dorsal margin straight, moderately sloping down from the greatest height to the posterior margin. Ventral margin straight in middle part in both valves, with slightly concave regions in the very middle, forming distinct flaps as an area of valve overlap (LV>RV) (Fig.
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<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Microtomographic reconstruction of Sanyuania sp., based on data of adult male (BA 19005 - 8), volume rendering. A. Oblique ventral view into gaping carapace with flaps for improved valve overlap (arrows); B. Mouth area from ventral, with labrum (la), labium (lb), mandible (Md) and maxillula (Mxl); C. Cross section in posterior region, with very thick and robust valves; D. Anterior body region with A 1 and A 2 and presumed sac of spinneret gland (highlighted); E. Mandible (highlighted); F. Soft body with L 5, L 6 and L 7 and HP; G. HP in dorsal view (highlighted). Scale bars 100 µm (A, C, D, F); 10 µm (B, E, G)." figureDoi="10.3897/fr.25.e84604.figure16" httpUri="https://binary.pensoft.net/fig/691516" pageId="0" pageNumber="147">16A</figureCitation>
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). From posterior third, ventral margin ascending towards posterior end. Carapace in dorsal view elliptical, with posterior and anterior part compressed and central region strongly protruding. The
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<normalizedToken originalValue="valve’s">valve's</normalizedToken>
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lateral surface punctate in the flat anterior and posterior marginal regions, while pitted (i.e., covered with wider and deeper depressions) in the central region and dorsally. Valves thick in cross section (Fig.
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<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Microtomographic reconstruction of Sanyuania sp., based on data of adult male (BA 19005 - 8), volume rendering. A. Oblique ventral view into gaping carapace with flaps for improved valve overlap (arrows); B. Mouth area from ventral, with labrum (la), labium (lb), mandible (Md) and maxillula (Mxl); C. Cross section in posterior region, with very thick and robust valves; D. Anterior body region with A 1 and A 2 and presumed sac of spinneret gland (highlighted); E. Mandible (highlighted); F. Soft body with L 5, L 6 and L 7 and HP; G. HP in dorsal view (highlighted). Scale bars 100 µm (A, C, D, F); 10 µm (B, E, G)." figureDoi="10.3897/fr.25.e84604.figure16" httpUri="https://binary.pensoft.net/fig/691516" pageId="0" pageNumber="147">16C</figureCitation>
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). Inflated central region with distinct sulcus mid-dorsally. Inner calcified lamella wide. Central muscular scar pattern, pore morphology and detailed hinge elements not preserved.
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</paragraph>
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<caption doi="10.3897/fr.25.e84604.figure14" httpUri="https://binary.pensoft.net/fig/691514" pageId="0" pageNumber="147" start="Figure 14" startId="F14">
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<paragraph pageId="0" pageNumber="147">
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<emphasis bold="true" pageId="0" pageNumber="147">Figure 14.</emphasis>
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Microtomographic reconstruction of
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<taxonomicName class="Ostracoda" family="Loxoconchidae" genus="Sanyuania" kingdom="Animalia" lsidName="Sanyuania" order="Podocopida" pageId="0" pageNumber="147" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="147">Sanyuania</emphasis>
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</taxonomicName>
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sp., based on microtomography of adult male (BA19005-8), surface rendering and soft parts of BA19005-8, surface renderings.
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<emphasis bold="true" pageId="0" pageNumber="147">A-E.</emphasis>
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With same scale, carapace;
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<emphasis bold="true" pageId="0" pageNumber="147">F-R.</emphasis>
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With same scale, soft parts.
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<emphasis bold="true" pageId="0" pageNumber="147">A.</emphasis>
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RV external;
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<emphasis bold="true" pageId="0" pageNumber="147">B.</emphasis>
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RV internal;
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<emphasis bold="true" pageId="0" pageNumber="147">C.</emphasis>
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LV external;
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<emphasis bold="true" pageId="0" pageNumber="147">D.</emphasis>
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LV internal;
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<emphasis bold="true" pageId="0" pageNumber="147">E.</emphasis>
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Dorsal view, anterior to left;
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<emphasis bold="true" pageId="0" pageNumber="147">F.</emphasis>
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A1, right;
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<emphasis bold="true" pageId="0" pageNumber="147">G.</emphasis>
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A1, left;
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<emphasis bold="true" pageId="0" pageNumber="147">H.</emphasis>
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A2, right;
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<emphasis bold="true" pageId="0" pageNumber="147">I.</emphasis>
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A2, left;
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<emphasis bold="true" pageId="0" pageNumber="147">J.</emphasis>
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Md, right;
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<emphasis bold="true" pageId="0" pageNumber="147">K.</emphasis>
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Md, lef;
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<emphasis bold="true" pageId="0" pageNumber="147">L.</emphasis>
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Mxl, right;
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<emphasis bold="true" pageId="0" pageNumber="147">M.</emphasis>
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Mxl, left;
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<emphasis bold="true" pageId="0" pageNumber="147">N.</emphasis>
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L5, right;
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<emphasis bold="true" pageId="0" pageNumber="147">O.</emphasis>
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L5, left;
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<emphasis bold="true" pageId="0" pageNumber="147">P.</emphasis>
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L6, right;
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<emphasis bold="true" pageId="0" pageNumber="147">Q.</emphasis>
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L6, left;
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<emphasis bold="true" pageId="0" pageNumber="147">R.</emphasis>
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L7, right.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="147">Soft parts almost all preserved, but with a low degree of detail.</paragraph>
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<paragraph pageId="0" pageNumber="147">
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A1 (Figs
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<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Microtomographic reconstruction of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8), surface rendering and soft parts of BA 19005 - 8, surface renderings. A-E. With same scale, carapace; F-R. With same scale, soft parts. A. RV external; B. RV internal; C. LV external; D. LV internal; E. Dorsal view, anterior to left; F. A 1, right; G. A 1, left; H. A 2, right; I. A 2, left; J. Md, right; K. Md, lef; L. Mxl, right; M. Mxl, left; N. L 5, right; O. L 5, left; P. L 6, right; Q. L 6, left; R. L 7, right." figureDoi="10.3897/fr.25.e84604.figure14" httpUri="https://binary.pensoft.net/fig/691514" pageId="0" pageNumber="147">14F, G</figureCitation>
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,
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<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Drawings of appendages of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8). A. A 1; B. A 2; C. Mxl; D. HP; E. Md; F. L 5; G. L 6; H. L 7. Scale bar: 10 µm." figureDoi="10.3897/fr.25.e84604.figure15" httpUri="https://binary.pensoft.net/fig/691515" pageId="0" pageNumber="147">15A</figureCitation>
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,
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<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Microtomographic reconstruction of Sanyuania sp., based on data of adult male (BA 19005 - 8), volume rendering. A. Oblique ventral view into gaping carapace with flaps for improved valve overlap (arrows); B. Mouth area from ventral, with labrum (la), labium (lb), mandible (Md) and maxillula (Mxl); C. Cross section in posterior region, with very thick and robust valves; D. Anterior body region with A 1 and A 2 and presumed sac of spinneret gland (highlighted); E. Mandible (highlighted); F. Soft body with L 5, L 6 and L 7 and HP; G. HP in dorsal view (highlighted). Scale bars 100 µm (A, C, D, F); 10 µm (B, E, G)." figureDoi="10.3897/fr.25.e84604.figure16" httpUri="https://binary.pensoft.net/fig/691516" pageId="0" pageNumber="147">16D</figureCitation>
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) rod-shaped. Segmentation and setation not preserved.
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</paragraph>
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<caption doi="10.3897/fr.25.e84604.figure15" httpUri="https://binary.pensoft.net/fig/691515" pageId="0" pageNumber="147" start="Figure 15" startId="F15">
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<paragraph pageId="0" pageNumber="147">
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<emphasis bold="true" pageId="0" pageNumber="147">Figure 15.</emphasis>
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Drawings of appendages of
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<taxonomicName class="Ostracoda" family="Loxoconchidae" genus="Sanyuania" kingdom="Animalia" lsidName="Sanyuania" order="Podocopida" pageId="0" pageNumber="147" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="147">Sanyuania</emphasis>
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</taxonomicName>
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sp., based on microtomography of adult male (BA19005-8).
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<emphasis bold="true" pageId="0" pageNumber="147">A.</emphasis>
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A1;
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<emphasis bold="true" pageId="0" pageNumber="147">B.</emphasis>
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A2;
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<emphasis bold="true" pageId="0" pageNumber="147">C.</emphasis>
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Mxl;
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<emphasis bold="true" pageId="0" pageNumber="147">D.</emphasis>
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HP;
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<emphasis bold="true" pageId="0" pageNumber="147">E.</emphasis>
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Md;
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<emphasis bold="true" pageId="0" pageNumber="147">F.</emphasis>
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L5;
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<emphasis bold="true" pageId="0" pageNumber="147">G.</emphasis>
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L6;
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<emphasis bold="true" pageId="0" pageNumber="147">H.</emphasis>
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L7. Scale bar: 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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.
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</paragraph>
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</caption>
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<caption doi="10.3897/fr.25.e84604.figure16" httpUri="https://binary.pensoft.net/fig/691516" pageId="0" pageNumber="147" start="Figure 16" startId="F16">
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<paragraph pageId="0" pageNumber="147">
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<emphasis bold="true" pageId="0" pageNumber="147">Figure 16.</emphasis>
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Microtomographic reconstruction of
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<taxonomicName class="Ostracoda" family="Loxoconchidae" genus="Sanyuania" kingdom="Animalia" lsidName="Sanyuania" order="Podocopida" pageId="0" pageNumber="147" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="147">Sanyuania</emphasis>
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</taxonomicName>
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sp., based on data of adult male (BA19005-8), volume rendering.
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<emphasis bold="true" pageId="0" pageNumber="147">A.</emphasis>
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Oblique ventral view into gaping carapace with flaps for improved valve overlap (arrows);
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<emphasis bold="true" pageId="0" pageNumber="147">B.</emphasis>
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||
Mouth area from ventral, with labrum (la), labium (lb), mandible (Md) and maxillula (Mxl);
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<emphasis bold="true" pageId="0" pageNumber="147">C.</emphasis>
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Cross section in posterior region, with very thick and robust valves;
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||
<emphasis bold="true" pageId="0" pageNumber="147">D.</emphasis>
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Anterior body region with A1 and A2 and presumed sac of spinneret gland (highlighted);
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<emphasis bold="true" pageId="0" pageNumber="147">E.</emphasis>
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Mandible (highlighted);
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<emphasis bold="true" pageId="0" pageNumber="147">F.</emphasis>
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Soft body with L5, L6 and L7 and HP;
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<emphasis bold="true" pageId="0" pageNumber="147">G.</emphasis>
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HP in dorsal view (highlighted). Scale bars 100
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="147">A, C, D, F</emphasis>
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||
); 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="147">B, E, G</emphasis>
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).
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="147">
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A2 (Figs
|
||
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Microtomographic reconstruction of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8), surface rendering and soft parts of BA 19005 - 8, surface renderings. A-E. With same scale, carapace; F-R. With same scale, soft parts. A. RV external; B. RV internal; C. LV external; D. LV internal; E. Dorsal view, anterior to left; F. A 1, right; G. A 1, left; H. A 2, right; I. A 2, left; J. Md, right; K. Md, lef; L. Mxl, right; M. Mxl, left; N. L 5, right; O. L 5, left; P. L 6, right; Q. L 6, left; R. L 7, right." figureDoi="10.3897/fr.25.e84604.figure14" httpUri="https://binary.pensoft.net/fig/691514" pageId="0" pageNumber="147">14H, I</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Drawings of appendages of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8). A. A 1; B. A 2; C. Mxl; D. HP; E. Md; F. L 5; G. L 6; H. L 7. Scale bar: 10 µm." figureDoi="10.3897/fr.25.e84604.figure15" httpUri="https://binary.pensoft.net/fig/691515" pageId="0" pageNumber="147">15B</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Microtomographic reconstruction of Sanyuania sp., based on data of adult male (BA 19005 - 8), volume rendering. A. Oblique ventral view into gaping carapace with flaps for improved valve overlap (arrows); B. Mouth area from ventral, with labrum (la), labium (lb), mandible (Md) and maxillula (Mxl); C. Cross section in posterior region, with very thick and robust valves; D. Anterior body region with A 1 and A 2 and presumed sac of spinneret gland (highlighted); E. Mandible (highlighted); F. Soft body with L 5, L 6 and L 7 and HP; G. HP in dorsal view (highlighted). Scale bars 100 µm (A, C, D, F); 10 µm (B, E, G)." figureDoi="10.3897/fr.25.e84604.figure16" httpUri="https://binary.pensoft.net/fig/691516" pageId="0" pageNumber="147">16D</figureCitation>
|
||
) more robust than A1, number of segments unknown. With prominent knee between protopodite and endopodite, close to which the spinneret seta (exopodite) originates, the only preserved setation of both A2 in this specimen.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="147">
|
||
Between the right A2 and the internal side of RV, a roundish, disk-shaped body is preserved, which we tentatively interpret as the sac of the spinneret gland containing the secretion (Fig.
|
||
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Microtomographic reconstruction of Sanyuania sp., based on data of adult male (BA 19005 - 8), volume rendering. A. Oblique ventral view into gaping carapace with flaps for improved valve overlap (arrows); B. Mouth area from ventral, with labrum (la), labium (lb), mandible (Md) and maxillula (Mxl); C. Cross section in posterior region, with very thick and robust valves; D. Anterior body region with A 1 and A 2 and presumed sac of spinneret gland (highlighted); E. Mandible (highlighted); F. Soft body with L 5, L 6 and L 7 and HP; G. HP in dorsal view (highlighted). Scale bars 100 µm (A, C, D, F); 10 µm (B, E, G)." figureDoi="10.3897/fr.25.e84604.figure16" httpUri="https://binary.pensoft.net/fig/691516" pageId="0" pageNumber="147">16D</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="147">
|
||
Md (Figs
|
||
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Microtomographic reconstruction of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8), surface rendering and soft parts of BA 19005 - 8, surface renderings. A-E. With same scale, carapace; F-R. With same scale, soft parts. A. RV external; B. RV internal; C. LV external; D. LV internal; E. Dorsal view, anterior to left; F. A 1, right; G. A 1, left; H. A 2, right; I. A 2, left; J. Md, right; K. Md, lef; L. Mxl, right; M. Mxl, left; N. L 5, right; O. L 5, left; P. L 6, right; Q. L 6, left; R. L 7, right." figureDoi="10.3897/fr.25.e84604.figure14" httpUri="https://binary.pensoft.net/fig/691514" pageId="0" pageNumber="147">14J, K</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Drawings of appendages of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8). A. A 1; B. A 2; C. Mxl; D. HP; E. Md; F. L 5; G. L 6; H. L 7. Scale bar: 10 µm." figureDoi="10.3897/fr.25.e84604.figure15" httpUri="https://binary.pensoft.net/fig/691515" pageId="0" pageNumber="147">15E</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Microtomographic reconstruction of Sanyuania sp., based on data of adult male (BA 19005 - 8), volume rendering. A. Oblique ventral view into gaping carapace with flaps for improved valve overlap (arrows); B. Mouth area from ventral, with labrum (la), labium (lb), mandible (Md) and maxillula (Mxl); C. Cross section in posterior region, with very thick and robust valves; D. Anterior body region with A 1 and A 2 and presumed sac of spinneret gland (highlighted); E. Mandible (highlighted); F. Soft body with L 5, L 6 and L 7 and HP; G. HP in dorsal view (highlighted). Scale bars 100 µm (A, C, D, F); 10 µm (B, E, G)." figureDoi="10.3897/fr.25.e84604.figure16" httpUri="https://binary.pensoft.net/fig/691516" pageId="0" pageNumber="147">16B, E</figureCitation>
|
||
) Masticatory process of coxa preserved, reaching into the oral opening, but teeth only weakly preserved. The
|
||
<normalizedToken originalValue="palp’s">palp's</normalizedToken>
|
||
segmentation and setation not preserved. Vibratory plate not preserved.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="147">
|
||
Mxl (Figs
|
||
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Microtomographic reconstruction of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8), surface rendering and soft parts of BA 19005 - 8, surface renderings. A-E. With same scale, carapace; F-R. With same scale, soft parts. A. RV external; B. RV internal; C. LV external; D. LV internal; E. Dorsal view, anterior to left; F. A 1, right; G. A 1, left; H. A 2, right; I. A 2, left; J. Md, right; K. Md, lef; L. Mxl, right; M. Mxl, left; N. L 5, right; O. L 5, left; P. L 6, right; Q. L 6, left; R. L 7, right." figureDoi="10.3897/fr.25.e84604.figure14" httpUri="https://binary.pensoft.net/fig/691514" pageId="0" pageNumber="147">14L, M</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Drawings of appendages of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8). A. A 1; B. A 2; C. Mxl; D. HP; E. Md; F. L 5; G. L 6; H. L 7. Scale bar: 10 µm." figureDoi="10.3897/fr.25.e84604.figure15" httpUri="https://binary.pensoft.net/fig/691515" pageId="0" pageNumber="147">15C</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Microtomographic reconstruction of Sanyuania sp., based on data of adult male (BA 19005 - 8), volume rendering. A. Oblique ventral view into gaping carapace with flaps for improved valve overlap (arrows); B. Mouth area from ventral, with labrum (la), labium (lb), mandible (Md) and maxillula (Mxl); C. Cross section in posterior region, with very thick and robust valves; D. Anterior body region with A 1 and A 2 and presumed sac of spinneret gland (highlighted); E. Mandible (highlighted); F. Soft body with L 5, L 6 and L 7 and HP; G. HP in dorsal view (highlighted). Scale bars 100 µm (A, C, D, F); 10 µm (B, E, G)." figureDoi="10.3897/fr.25.e84604.figure16" httpUri="https://binary.pensoft.net/fig/691516" pageId="0" pageNumber="147">16B</figureCitation>
|
||
) Protopod with three masticatory lobes (endites 1-3) and two-segmented palp, without any claws/setae preserved; branchial plate preserved.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="147">
|
||
L5 (Figs
|
||
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Microtomographic reconstruction of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8), surface rendering and soft parts of BA 19005 - 8, surface renderings. A-E. With same scale, carapace; F-R. With same scale, soft parts. A. RV external; B. RV internal; C. LV external; D. LV internal; E. Dorsal view, anterior to left; F. A 1, right; G. A 1, left; H. A 2, right; I. A 2, left; J. Md, right; K. Md, lef; L. Mxl, right; M. Mxl, left; N. L 5, right; O. L 5, left; P. L 6, right; Q. L 6, left; R. L 7, right." figureDoi="10.3897/fr.25.e84604.figure14" httpUri="https://binary.pensoft.net/fig/691514" pageId="0" pageNumber="147">14N, O</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Drawings of appendages of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8). A. A 1; B. A 2; C. Mxl; D. HP; E. Md; F. L 5; G. L 6; H. L 7. Scale bar: 10 µm." figureDoi="10.3897/fr.25.e84604.figure15" httpUri="https://binary.pensoft.net/fig/691515" pageId="0" pageNumber="147">15F</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Microtomographic reconstruction of Sanyuania sp., based on data of adult male (BA 19005 - 8), volume rendering. A. Oblique ventral view into gaping carapace with flaps for improved valve overlap (arrows); B. Mouth area from ventral, with labrum (la), labium (lb), mandible (Md) and maxillula (Mxl); C. Cross section in posterior region, with very thick and robust valves; D. Anterior body region with A 1 and A 2 and presumed sac of spinneret gland (highlighted); E. Mandible (highlighted); F. Soft body with L 5, L 6 and L 7 and HP; G. HP in dorsal view (highlighted). Scale bars 100 µm (A, C, D, F); 10 µm (B, E, G)." figureDoi="10.3897/fr.25.e84604.figure16" httpUri="https://binary.pensoft.net/fig/691516" pageId="0" pageNumber="147">16F</figureCitation>
|
||
) Walking leg, elongate, with long endopodite consisting of indeterminate number of segments.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="147">
|
||
L6 (Figs
|
||
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Microtomographic reconstruction of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8), surface rendering and soft parts of BA 19005 - 8, surface renderings. A-E. With same scale, carapace; F-R. With same scale, soft parts. A. RV external; B. RV internal; C. LV external; D. LV internal; E. Dorsal view, anterior to left; F. A 1, right; G. A 1, left; H. A 2, right; I. A 2, left; J. Md, right; K. Md, lef; L. Mxl, right; M. Mxl, left; N. L 5, right; O. L 5, left; P. L 6, right; Q. L 6, left; R. L 7, right." figureDoi="10.3897/fr.25.e84604.figure14" httpUri="https://binary.pensoft.net/fig/691514" pageId="0" pageNumber="147">14P, Q</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Drawings of appendages of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8). A. A 1; B. A 2; C. Mxl; D. HP; E. Md; F. L 5; G. L 6; H. L 7. Scale bar: 10 µm." figureDoi="10.3897/fr.25.e84604.figure15" httpUri="https://binary.pensoft.net/fig/691515" pageId="0" pageNumber="147">15G</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Microtomographic reconstruction of Sanyuania sp., based on data of adult male (BA 19005 - 8), volume rendering. A. Oblique ventral view into gaping carapace with flaps for improved valve overlap (arrows); B. Mouth area from ventral, with labrum (la), labium (lb), mandible (Md) and maxillula (Mxl); C. Cross section in posterior region, with very thick and robust valves; D. Anterior body region with A 1 and A 2 and presumed sac of spinneret gland (highlighted); E. Mandible (highlighted); F. Soft body with L 5, L 6 and L 7 and HP; G. HP in dorsal view (highlighted). Scale bars 100 µm (A, C, D, F); 10 µm (B, E, G)." figureDoi="10.3897/fr.25.e84604.figure16" httpUri="https://binary.pensoft.net/fig/691516" pageId="0" pageNumber="147">16F</figureCitation>
|
||
) Presumed walking leg, protopodite elongate, endopod not well preserved.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="147">
|
||
L7 (Figs
|
||
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Microtomographic reconstruction of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8), surface rendering and soft parts of BA 19005 - 8, surface renderings. A-E. With same scale, carapace; F-R. With same scale, soft parts. A. RV external; B. RV internal; C. LV external; D. LV internal; E. Dorsal view, anterior to left; F. A 1, right; G. A 1, left; H. A 2, right; I. A 2, left; J. Md, right; K. Md, lef; L. Mxl, right; M. Mxl, left; N. L 5, right; O. L 5, left; P. L 6, right; Q. L 6, left; R. L 7, right." figureDoi="10.3897/fr.25.e84604.figure14" httpUri="https://binary.pensoft.net/fig/691514" pageId="0" pageNumber="147">14R</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Drawings of appendages of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8). A. A 1; B. A 2; C. Mxl; D. HP; E. Md; F. L 5; G. L 6; H. L 7. Scale bar: 10 µm." figureDoi="10.3897/fr.25.e84604.figure15" httpUri="https://binary.pensoft.net/fig/691515" pageId="0" pageNumber="147">15H</figureCitation>
|
||
) Walking leg, elongate protopodite and long endopodite, the latter with at least three segments.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="147">
|
||
HP (Figs
|
||
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Drawings of appendages of Sanyuania sp., based on microtomography of adult male (BA 19005 - 8). A. A 1; B. A 2; C. Mxl; D. HP; E. Md; F. L 5; G. L 6; H. L 7. Scale bar: 10 µm." figureDoi="10.3897/fr.25.e84604.figure15" httpUri="https://binary.pensoft.net/fig/691515" pageId="0" pageNumber="147">15D</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Microtomographic reconstruction of Sanyuania sp., based on data of adult male (BA 19005 - 8), volume rendering. A. Oblique ventral view into gaping carapace with flaps for improved valve overlap (arrows); B. Mouth area from ventral, with labrum (la), labium (lb), mandible (Md) and maxillula (Mxl); C. Cross section in posterior region, with very thick and robust valves; D. Anterior body region with A 1 and A 2 and presumed sac of spinneret gland (highlighted); E. Mandible (highlighted); F. Soft body with L 5, L 6 and L 7 and HP; G. HP in dorsal view (highlighted). Scale bars 100 µm (A, C, D, F); 10 µm (B, E, G)." figureDoi="10.3897/fr.25.e84604.figure16" httpUri="https://binary.pensoft.net/fig/691516" pageId="0" pageNumber="147">16F, G</figureCitation>
|
||
) almost triangular in shape, apically forming distinct tip, shaped like an arrowhead.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="147" type="remarks">
|
||
<paragraph pageId="0" pageNumber="147">Remarks.</paragraph>
|
||
<paragraph pageId="0" pageNumber="147">
|
||
We assign the studied specimen to the genus
|
||
<taxonomicName class="Ostracoda" family="Loxoconchidae" genus="Sanyuania" kingdom="Animalia" lsidName="Sanyuania" order="Podocopida" pageId="0" pageNumber="147" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="147">Sanyuania</emphasis>
|
||
</taxonomicName>
|
||
within the
|
||
<taxonomicName class="Ostracoda" family="Loxoconchidae" kingdom="Animalia" lsidName="" order="Podocopida" pageId="0" pageNumber="147" phylum="Arthropoda" rank="family">Loxoconchidae</taxonomicName>
|
||
, mainly based on shape, ornamentation and morphology of its carapace. Preserved soft parts, although with little detail, and without genus-specific features being observable, at least do not oppose this assignment. The morphology of the preserved hemipenes is clearly in line with
|
||
<bibRefCitation author="Hartmann, G" journalOrPublisher="Internationale Revue der gesamten Hydrobiologie, Systematische Beihefte" pageId="0" pageNumber="147" refId="B14" refString="Hartmann, G, 1966. Ostracoda (1. Lieferung). Dr. H.G. Bronns Klassen und Ordnungen des Tierreichs: Band 5 (Arthropoda), Abteilung I (Crustacea), Buch 2, Teil IV (Ostracoda): Lieferung 4. Geest and Portig, Leipzig." title="Ostracoda (1. Lieferung). Dr. H. G. Bronns Klassen und Ordnungen des Tierreichs: Band 5 (Arthropoda), Abteilung I (Crustacea), Buch 2, Teil IV (Ostracoda): Lieferung 4. Geest and Portig, Leipzig." year="1966">
|
||
<normalizedToken originalValue="Hartmann’s">Hartmann's</normalizedToken>
|
||
(1966
|
||
</bibRefCitation>
|
||
: 758) description of hemipenes typical of
|
||
<taxonomicName authorityName="Sars" authorityYear="1926" lsidName="" pageId="0" pageNumber="147" rank="subFamily" subFamily="Loxoconchinae">Loxoconchinae</taxonomicName>
|
||
as consisting of a voluminous capsule and a triangular, distally rounded top piece. A direct comparison of our
|
||
<normalizedToken originalValue="specimens’">specimens'</normalizedToken>
|
||
hemipenis with that of
|
||
<taxonomicName authorityName="Savatenalinton & Martens" authorityYear="2009" class="Ostracoda" family="Loxoconchidae" genus="Sanyuania" kingdom="Animalia" lsidName="Sanyuania segersi" order="Podocopida" pageId="0" pageNumber="147" phylum="Arthropoda" rank="species" species="segersi">
|
||
<emphasis italics="true" pageId="0" pageNumber="147">Sanyuania segersi</emphasis>
|
||
</taxonomicName>
|
||
Savatenalinton & Martens, 2009a shows a high degree of similarity (
|
||
<bibRefCitation DOI="https://doi.org/10.1080/00222930802590885" author="Savatenalinton, S" journalOrPublisher="Journal of Natural History" pageId="0" pageNumber="147" pagination="259 - 285" refId="B46" refString="Savatenalinton, S, Martens, K, 2009a. On a freshwater species of the genus Sanyuania Zhao and Han, 1980 (Crustacea, Ostracoda, Loxoconchidae) from Thailand, with a discussion on morphological evolution of the freshwater Loxoconchidae. Journal of Natural History 43: 259 - 285, DOI: https://doi.org/10.1080/00222930802590885" title="On a freshwater species of the genus Sanyuania Zhao and Han, 1980 (Crustacea, Ostracoda, Loxoconchidae) from Thailand, with a discussion on morphological evolution of the freshwater Loxoconchidae." url="https://doi.org/10.1080/00222930802590885" volume="43" year="2009 a">Savatenalinton and Martens 2009a</bibRefCitation>
|
||
: fig. 5A) with its triangular (arrow-head-like) distal tip on a broad, rounded main body. Regarding the shape of the carapace, as well as the flattened anterior and posterior margins, our specimen is most similar to
|
||
<taxonomicName lsidName="S. cuneata" pageId="0" pageNumber="147" rank="species" species="cuneata">
|
||
<emphasis italics="true" pageId="0" pageNumber="147">S. cuneata</emphasis>
|
||
</taxonomicName>
|
||
Zhao & Whatley, 1992. However, the surface ornamentation of the valves with broader pits centrally and smaller ones marginally, comes closer to that of
|
||
<taxonomicName lsidName="S. wangi" pageId="0" pageNumber="147" rank="species" species="wangi">
|
||
<emphasis italics="true" pageId="0" pageNumber="147">S. wangi</emphasis>
|
||
</taxonomicName>
|
||
Zhao & Whatley, 1992. None of the known
|
||
<taxonomicName class="Ostracoda" family="Loxoconchidae" genus="Sanyuania" kingdom="Animalia" lsidName="Sanyuania" order="Podocopida" pageId="0" pageNumber="147" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="147">Sanyuania</emphasis>
|
||
</taxonomicName>
|
||
species, however, possess the mid-dorsal sulcus featured in our specimen. Clearly our data on this single specimen are too limited for more certainty; more specimens are needed for a full taxonomic assessment. We therefore present this specimen in open nomenclature here.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</subSection>
|
||
</document> |