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<document id="E9337130E235FAFFF01055DF0AAA45D7" ID-DOI="10.5281/zenodo.13620317" ID-ISSN="1732-2421" ID-Zenodo-Dep="13620317" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="karina" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="karina" checkinTime="1723143827172" checkinUser="felipe" docAuthor="Zhan, Renbin &amp; Jin, Jisuo" docDate="2005" docId="4043A47707611016FFACB9C8FB8D9105" docLanguage="en" docName="ActaPalaeontolPol.50.2.365-393.pdf" docOrigin="Acta Palaeontologica Polonica 50 (2)" docStyle="DocumentStyle:93F5927C23D90727DE855278A6F17B37.1:ActaPalaeontolPol.2002-2009.journal_article" docStyleId="93F5927C23D90727DE855278A6F17B37" docStyleName="ActaPalaeontolPol.2002-2009.journal_article" docStyleVersion="1" docTitle="Leptestiina veturna Zhan &amp; Jin, 2005, sp. nov." docType="treatment" docVersion="3" lastPageNumber="385" masterDocId="BC7ADC0F07751002FFCABA5AFFC9976F" masterDocTitle="Brachiopods from the Middle Ordovician Shihtzupu Formation of Yunnan Province, China" masterLastPageNumber="393" masterPageNumber="365" pageNumber="385" updateTime="1725041684825" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="F168EA380AE3374AB3D13F386CC9EAF3">Brachiopods from the Middle Ordovician Shihtzupu Formation of Yunnan Province, China</mods:title>
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<mods:namePart id="F058F76EF7E57E1C6FFCB8921FD41893">Zhan, Renbin</mods:namePart>
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<mods:namePart id="B7E1EDA9D1394AE62267B0AD82302F1B">Jin, Jisuo</mods:namePart>
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<mods:title id="9E859B32817EC5FA82CA3F03169C3FD3">Acta Palaeontologica Polonica</mods:title>
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<mods:date id="F85AC2CF72125F9638B6AA6A67CB8F65">2005</mods:date>
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<treatment id="4043A47707611016FFACB9C8FB8D9105" LSID="urn:lsid:plazi:treatment:4043A47707611016FFACB9C8FB8D9105" httpUri="http://treatment.plazi.org/id/4043A47707611016FFACB9C8FB8D9105" lastPageNumber="385" pageId="20" pageNumber="385">
<subSubSection id="80F046EA07611016FFACB9C8FE0394C2" box="[102,458,913,942]" pageId="20" pageNumber="385" type="nomenclature">
<paragraph id="C855156107611016FFACB9C8FE0394C2" blockId="20.[102,537,836,974]" box="[102,458,913,942]" pageId="20" pageNumber="385">
<heading id="931DA20D07611016FFACB9C8FE0394C2" box="[102,458,913,942]" fontSize="12" level="2" pageId="20" pageNumber="385" reason="9">
<taxonomicName id="0FEA6EE207611016FFACB9C8FE9794C1" authorityName="Zhan &amp; Jin" authorityYear="2005" box="[102,350,914,942]" class="Strophomenata" family="Leptestiidae" genus="Leptestiina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Strophomenatida" pageId="20" pageNumber="385" phylum="Brachiopoda" rank="species" species="veturna" status="sp. nov.">
<emphasis id="FA9EC97307611016FFACB9C8FE9794C1" box="[102,350,914,942]" italics="true" pageId="20" pageNumber="385">Leptestiina veturna</emphasis>
</taxonomicName>
<taxonomicNameLabel id="E1AD740807611016FEAFB9CBFE0394C2" box="[357,458,913,941]" pageId="20" pageNumber="385" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="80F046EA07611016FFACB9E3FB8D9105" pageId="20" pageNumber="385" type="description">
<paragraph id="C855156107611016FFACB9E3FEBC94A1" blockId="20.[102,537,836,974]" box="[102,373,953,974]" pageId="20" pageNumber="385">
<figureCitation id="50D109E407611016FFACB9E3FF0F94A1" box="[102,198,953,974]" captionStart="Fig" captionStartId="17.[102,135,1843,1863]" captionText="Fig. 12. A. Leptellinidae gen. et sp. nov. (to be erected by Zhan and Jin in press); NIGP139131, ventral internal mould (A) and latex cast (A) preserved to + 1 2 gether with a bryozoan colony (top left). BD. Leptellinidae gen. nov., sp. B. NIGP139132, dorsal internal mould (B1) and latex cast (B2). C. NIGP139133, ventral external mould (C1) and latex cast (C2). D. NIGP139134, ventral external mould. EM. Calyptolepta huanghuaensis (Chang, 1983). E. NIGP139135, ventral internal mould. F. NIGP139136, broken ventral internal mould. G. NIGP139137, dorsal internal mould. H. NIGP139138, holotype, dorsal internal mould (H1) and latex cast (H2) with local enlargement (H3) showing cardinalia and bema. I. NIGP139139, dorsal external mould. J. NIGP139140, dorsal internal mould of a juvenile shell. K. NIGP139141, dorsal internal mould. L. NIGP139142, two dorsal internal moulds. M. NIGP139143, dorsal internal mould. N. Leptestiina veturna sp. nov.; NIGP139144, paratype, ventral internal mould." pageId="20" pageNumber="385">Figs. 12N</figureCitation>
,
<figureCitation id="50D109E407611016FF1AB9E3FED994A1" box="[208,272,953,974]" captionStart="Fig" captionStartId="21.[102,135,1426,1446]" captionTargetBox="[102,1485,219,1398]" captionTargetId="figure-161@21.[102,1484,219,1392]" captionTargetPageId="21" captionText="Fig. 13. AI. Leptestiina veturna sp. nov. A. NIGP139145, paratype, ventral internal mould. B. NIGP139146, paratype, ventral internal mould. C. NIGP139147, holotype, ventral internal mould (C1) and latex cast (C2). D. NIGP139148, paratype, ventral internal mould. E. NIGP139149, paratype, ventral internal mould (E1) and latex cast (E2). F. NIGP139150, paratype, dorsal internal mould. G. NIGP139151, paratype, three dorsal external moulds, with dorsal external mould of Leptellinidae gen. et sp. nov. (to be erected by Zhan and Jin in press) (second from right). H. NIGP139152, paratype, dorsal external mould (H1) and latex cast (H2); note also ventral interarea. I. NIGP139153, paratype, broken dorsal internal mould. J. Strophomenid gen. et sp. indeterminate; NIGP139154, dorsal internal mould (J1) and latex cast (J2), together with a dorsal internal mould of Leptellina spatiosa sp. nov. (top)." figureDoi="http://doi.org/10.5281/zenodo.13620331" httpUri="https://zenodo.org/record/13620331/files/figure.png" pageId="20" pageNumber="385">13AI</figureCitation>
;
<tableCitation id="856820DA07611016FED0B9E3FEB894A1" box="[282,369,953,974]" captionStart="Table 13" captionStartId="20.[812,867,232,253]" captionText="Table 13. Shell measurements (mm) of Leptestiina veturna sp. nov." pageId="20" pageNumber="385">Table 13</tableCitation>
.
</paragraph>
<paragraph id="C855156107611016FFACB9BAFD5D937E" blockId="20.[102,775,992,1169]" pageId="20" pageNumber="385">
<emphasis id="FA9EC97307611016FFACB9BAFED5949A" box="[102,284,992,1013]" italics="true" pageId="20" pageNumber="385">Derivation of name</emphasis>
: From the Latin
<emphasis id="FA9EC97307611016FE7FB9BAFDCE949A" box="[437,519,992,1013]" italics="true" pageId="20" pageNumber="385">veturnus</emphasis>
, old, referring to the lowest known range of the genus represented by the new species.
</paragraph>
<paragraph id="C855156107611016FFACBE47FD6B935D" blockId="20.[102,775,992,1169]" box="[102,674,1053,1074]" pageId="20" pageNumber="385">
<materialsCitation id="78821F3C07611016FFACBE47FD6B935D" box="[102,674,1053,1074]" collectionCode="NIGP" pageId="20" pageNumber="385" specimenCode="NIGP 139147" specimenCount="1" typeStatus="holotype">
<emphasis id="FA9EC97307611016FFACBE47FF77935D" box="[102,190,1053,1074]" italics="true" pageId="20" pageNumber="385">
<typeStatus id="1751ABC307611016FFACBE47FF77935D" box="[102,190,1053,1074]" pageId="20" pageNumber="385" type="holotype">Holotype</typeStatus>
</emphasis>
:
<specimenCode id="984CBD1A07611016FF00BE47FE99935D" box="[202,336,1053,1074]" collectionCode="NIGP" country="China" httpUri="http://grbio.org/cool/j51y-avsb" name="Naking Institute of Geology and Palaeontology" pageId="20" pageNumber="385">NIGP 139147</specimenCode>
(
<figureCitation id="50D109E407611016FE97BE47FE7C935D" box="[349,437,1053,1074]" captionStart="Fig" captionStartId="21.[102,135,1426,1446]" captionTargetBox="[102,1485,219,1398]" captionTargetId="figure-161@21.[102,1484,219,1392]" captionTargetPageId="21" captionText="Fig. 13. AI. Leptestiina veturna sp. nov. A. NIGP139145, paratype, ventral internal mould. B. NIGP139146, paratype, ventral internal mould. C. NIGP139147, holotype, ventral internal mould (C1) and latex cast (C2). D. NIGP139148, paratype, ventral internal mould. E. NIGP139149, paratype, ventral internal mould (E1) and latex cast (E2). F. NIGP139150, paratype, dorsal internal mould. G. NIGP139151, paratype, three dorsal external moulds, with dorsal external mould of Leptellinidae gen. et sp. nov. (to be erected by Zhan and Jin in press) (second from right). H. NIGP139152, paratype, dorsal external mould (H1) and latex cast (H2); note also ventral interarea. I. NIGP139153, paratype, broken dorsal internal mould. J. Strophomenid gen. et sp. indeterminate; NIGP139154, dorsal internal mould (J1) and latex cast (J2), together with a dorsal internal mould of Leptellina spatiosa sp. nov. (top)." figureDoi="http://doi.org/10.5281/zenodo.13620331" httpUri="https://zenodo.org/record/13620331/files/figure.png" pageId="20" pageNumber="385">Fig. 13C</figureCitation>
), ventral internal mould.
</materialsCitation>
</paragraph>
<paragraph id="C855156107611016FFACBE65FF0B931F" blockId="20.[102,775,992,1169]" pageId="20" pageNumber="385">
<emphasis id="FA9EC97307611016FFACBE65FF2A933B" box="[102,227,1087,1108]" italics="true" pageId="20" pageNumber="385">Type locality</emphasis>
:
<materialsCitation id="78821F3C07611016FF3ABE65FF77931F" location="Weixin County town" municipality="Shizigou Valley" pageId="20" pageNumber="385" specimenCount="1" stateProvince="Yunnan">
<collectingMunicipality id="28318F1B07611016FF3ABE65FE42933B" box="[240,395,1087,1108]" pageId="20" pageNumber="385">Shizigou Valley</collectingMunicipality>
near the
<location id="CD3543BA07611016FE2EBE65FD79933B" LSID="urn:lsid:plazi:treatment:4043A47707611016FFACB9C8FB8D9105:CD3543BA07611016FE2EBE65FD79933B" box="[484,688,1087,1108]" municipality="Shizigou Valley" name="Weixin County town" pageId="20" pageNumber="385" stateProvince="Yunnan">Weixin County town</location>
,
<collectingRegion id="0A2EDB8307611016FD71BE65FF77931F" country="China" name="Yunnan" pageId="20" pageNumber="385">Yunnan Province</collectingRegion>
</materialsCitation>
.
</paragraph>
<paragraph id="C855156107611016FFACBE26FD8393FE" blockId="20.[102,775,992,1169]" box="[102,586,1148,1169]" pageId="20" pageNumber="385">
<emphasis id="FA9EC97307611016FFACBE26FF2A93FE" box="[102,227,1148,1169]" italics="true" pageId="20" pageNumber="385">Type horizon</emphasis>
: Upper part of Shihtzupu Formation.
</paragraph>
<paragraph id="C855156107611016FFACBEFBFCCB93B5" blockId="20.[102,774,1185,1343]" pageId="20" pageNumber="385">
<emphasis id="FA9EC97307611016FFACBEFBFF0F93D6" box="[102,198,1185,1209]" italics="true" pageId="20" pageNumber="385">Material</emphasis>
.—Thirteen ventral internal and four external, two dorsal internal and nine external moulds. Collection AFI1680.
</paragraph>
<paragraph id="C855156107611016FFACBEB0FDC890E6" blockId="20.[102,774,1185,1343]" lastBlockId="20.[102,775,1362,2026]" pageId="20" pageNumber="385">
<emphasis id="FA9EC97307611016FFACBEB0FF11926E" box="[102,216,1258,1281]" italics="true" pageId="20" pageNumber="385">Diagnosis</emphasis>
.—Small, weakly transverse, strongly concavoconvex shells of
<taxonomicName id="0FEA6EE207611016FEEFBF50FE68924E" authorityName="Havlicek" authorityYear="1952" box="[293,417,1290,1313]" class="Strophomenata" family="Leptestiidae" genus="Leptestiina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Strophomenatida" pageId="20" pageNumber="385" phylum="Brachiopoda" rank="genus">
<emphasis id="FA9EC97307611016FEEFBF50FE68924E" box="[293,417,1290,1313]" italics="true" pageId="20" pageNumber="385">Leptestiina</emphasis>
</taxonomicName>
, with relatively sparse accentuated costae.
<emphasis id="FA9EC97307611016FFACBF08FF239206" box="[102,234,1362,1385]" italics="true" pageId="20" pageNumber="385">Description</emphasis>
.—Shell small, concavoconvex, subsemicircular to subcircular; maximum width along hinge line. Cardinal extremities acute to rounded. Anterior commissure rectimarginate. Ventral valve about threequarters as long as wide, strongly convex, deepest in central part; visceral area more convex than marginal area of shell; interarea high, about oneeighth length of shell, apsacline with planar or slightly curved surface; delthyrium relatively wide, covered by weakly arched pseudodeltidium in its posterior twothirds (
<figureCitation id="50D109E407611016FFA4BC2BFF1B91E5" box="[110,210,1649,1674]" captionStart="Fig" captionStartId="21.[102,135,1426,1446]" captionTargetBox="[102,1485,219,1398]" captionTargetId="figure-161@21.[102,1484,219,1392]" captionTargetPageId="21" captionText="Fig. 13. AI. Leptestiina veturna sp. nov. A. NIGP139145, paratype, ventral internal mould. B. NIGP139146, paratype, ventral internal mould. C. NIGP139147, holotype, ventral internal mould (C1) and latex cast (C2). D. NIGP139148, paratype, ventral internal mould. E. NIGP139149, paratype, ventral internal mould (E1) and latex cast (E2). F. NIGP139150, paratype, dorsal internal mould. G. NIGP139151, paratype, three dorsal external moulds, with dorsal external mould of Leptellinidae gen. et sp. nov. (to be erected by Zhan and Jin in press) (second from right). H. NIGP139152, paratype, dorsal external mould (H1) and latex cast (H2); note also ventral interarea. I. NIGP139153, paratype, broken dorsal internal mould. J. Strophomenid gen. et sp. indeterminate; NIGP139154, dorsal internal mould (J1) and latex cast (J2), together with a dorsal internal mould of Leptellina spatiosa sp. nov. (top)." figureDoi="http://doi.org/10.5281/zenodo.13620331" httpUri="https://zenodo.org/record/13620331/files/figure.png" pageId="20" pageNumber="385">Fig. 13C</figureCitation>
<figureCitation id="50D109E407611016FF18BC27FF1291E2" box="[210,219,1661,1677]" captionStart="Fig" captionStartId="2.[102,135,1189,1209]" captionTargetBox="[119,1466,226,1162]" captionTargetId="graphics-319@2.[152,1466,243,1162]" captionTargetPageId="2" captionText="Fig. 2. Middle Ordovician sedimentary facies on the Yangtze Platform, South China palaeoplate (modified from Zhang et al. 2002), with three fossil localities discussed in the text: 1, Shihtzupu Formation at Shizigou Valley near the Weixin County town, Yunnan Province; 2, Type area of Shihtzupu Formation at Donggongsi, Zunyi, Guizhou Province; 3, Dashaba Formation at Shuanghe, Changning, Sichuan Province." figureDoi="http://doi.org/10.5281/zenodo.13620321" httpUri="https://zenodo.org/record/13620321/files/figure.png" pageId="20" pageNumber="385">
<subScript id="546E172407611016FF18BC27FF1291E2" attach="left" box="[210,219,1661,1677]" fontSize="7" pageId="20" pageNumber="385">2</subScript>
</figureCitation>
). Dorsal valve about threefifths as long as wide, deeply concave, with greatest concavity at junction between visceral area and geniculation; interarea low, shorter than onetenth length of shell, anacline; notothyrium narrow, short, covered by arched chilidium (
<figureCitation id="50D109E407611016FDDDBCABFD489065" box="[535,641,1777,1802]" captionStart="Fig" captionStartId="21.[102,135,1426,1446]" captionTargetBox="[102,1485,219,1398]" captionTargetId="figure-161@21.[102,1484,219,1392]" captionTargetPageId="21" captionText="Fig. 13. AI. Leptestiina veturna sp. nov. A. NIGP139145, paratype, ventral internal mould. B. NIGP139146, paratype, ventral internal mould. C. NIGP139147, holotype, ventral internal mould (C1) and latex cast (C2). D. NIGP139148, paratype, ventral internal mould. E. NIGP139149, paratype, ventral internal mould (E1) and latex cast (E2). F. NIGP139150, paratype, dorsal internal mould. G. NIGP139151, paratype, three dorsal external moulds, with dorsal external mould of Leptellinidae gen. et sp. nov. (to be erected by Zhan and Jin in press) (second from right). H. NIGP139152, paratype, dorsal external mould (H1) and latex cast (H2); note also ventral interarea. I. NIGP139153, paratype, broken dorsal internal mould. J. Strophomenid gen. et sp. indeterminate; NIGP139154, dorsal internal mould (J1) and latex cast (J2), together with a dorsal internal mould of Leptellina spatiosa sp. nov. (top)." figureDoi="http://doi.org/10.5281/zenodo.13620331" httpUri="https://zenodo.org/record/13620331/files/figure.png" pageId="20" pageNumber="385">Fig. 13H</figureCitation>
<figureCitation id="50D109E407611016FD4BBCA7FD439062" box="[641,650,1789,1805]" captionStart="Fig" captionStartId="2.[102,135,1189,1209]" captionTargetBox="[119,1466,226,1162]" captionTargetId="graphics-319@2.[152,1466,243,1162]" captionTargetPageId="2" captionText="Fig. 2. Middle Ordovician sedimentary facies on the Yangtze Platform, South China palaeoplate (modified from Zhang et al. 2002), with three fossil localities discussed in the text: 1, Shihtzupu Formation at Shizigou Valley near the Weixin County town, Yunnan Province; 2, Type area of Shihtzupu Formation at Donggongsi, Zunyi, Guizhou Province; 3, Dashaba Formation at Shuanghe, Changning, Sichuan Province." figureDoi="http://doi.org/10.5281/zenodo.13620321" httpUri="https://zenodo.org/record/13620321/files/figure.png" pageId="20" pageNumber="385">
<subScript id="546E172407611016FD4BBCA7FD439062" attach="left" box="[641,650,1789,1805]" fontSize="7" pageId="20" pageNumber="385">2</subScript>
</figureCitation>
). Unequal parvicostellae; 79 accentuated costae, with finer costellae inserting three times; about 911 fine costellae between two adjacent costae at shell anterior margin. Concentric fila evenly spaced, about 1516 per mm.
</paragraph>
<paragraph id="C855156107611016FF46BDCBFB6C93C5" blockId="20.[102,775,1362,2026]" lastBlockId="20.[812,1485,1042,1642]" pageId="20" pageNumber="385">
Teeth small, wedgeshaped; dental plates short, high, subparallel, continuous with anterior bounding ridge of muscle field. Muscle field subtriangular to subpentagonal, about onefifth length and width of shell, elevated anteriorly; adductor scars small, narrow, mainly in posteromedial part of muscle field, separated from diductor scars by pair of thin plates in some shells (
<figureCitation id="50D109E407611016FBEBB973FB41942D" box="[1057,1160,809,834]" captionStart="Fig" captionStartId="21.[102,135,1426,1446]" captionTargetBox="[102,1485,219,1398]" captionTargetId="figure-161@21.[102,1484,219,1392]" captionTargetPageId="21" captionText="Fig. 13. AI. Leptestiina veturna sp. nov. A. NIGP139145, paratype, ventral internal mould. B. NIGP139146, paratype, ventral internal mould. C. NIGP139147, holotype, ventral internal mould (C1) and latex cast (C2). D. NIGP139148, paratype, ventral internal mould. E. NIGP139149, paratype, ventral internal mould (E1) and latex cast (E2). F. NIGP139150, paratype, dorsal internal mould. G. NIGP139151, paratype, three dorsal external moulds, with dorsal external mould of Leptellinidae gen. et sp. nov. (to be erected by Zhan and Jin in press) (second from right). H. NIGP139152, paratype, dorsal external mould (H1) and latex cast (H2); note also ventral interarea. I. NIGP139153, paratype, broken dorsal internal mould. J. Strophomenid gen. et sp. indeterminate; NIGP139154, dorsal internal mould (J1) and latex cast (J2), together with a dorsal internal mould of Leptellina spatiosa sp. nov. (top)." figureDoi="http://doi.org/10.5281/zenodo.13620331" httpUri="https://zenodo.org/record/13620331/files/figure.png" pageId="20" pageNumber="385">Fig. 13D</figureCitation>
); diductor scars much larger, subcircular, surrounding adductor scars laterally and anteriorly. Mantle canal system saccate; vascula media originating from anterior ends of diductor scars, with long, straight, weakly divergent main trunks. Bema relatively large, welldeveloped; dorsal platform marked by weak, discrete septules.
<emphasis id="FA9EC97307611016FCE6BE49FC6E9345" box="[812,935,1043,1066]" italics="true" pageId="20" pageNumber="385">Discussion</emphasis>
.—The convexity of ventral valves has a certain degree of variation: the visceral area is usually much more convex than the shell marginal area, giving the valve a galeate shape (e.g.,
<figureCitation id="50D109E407611016FBD8BE2BFBBF93E5" box="[1042,1142,1137,1162]" captionStart="Fig" captionStartId="21.[102,135,1426,1446]" captionTargetBox="[102,1485,219,1398]" captionTargetId="figure-161@21.[102,1484,219,1392]" captionTargetPageId="21" captionText="Fig. 13. AI. Leptestiina veturna sp. nov. A. NIGP139145, paratype, ventral internal mould. B. NIGP139146, paratype, ventral internal mould. C. NIGP139147, holotype, ventral internal mould (C1) and latex cast (C2). D. NIGP139148, paratype, ventral internal mould. E. NIGP139149, paratype, ventral internal mould (E1) and latex cast (E2). F. NIGP139150, paratype, dorsal internal mould. G. NIGP139151, paratype, three dorsal external moulds, with dorsal external mould of Leptellinidae gen. et sp. nov. (to be erected by Zhan and Jin in press) (second from right). H. NIGP139152, paratype, dorsal external mould (H1) and latex cast (H2); note also ventral interarea. I. NIGP139153, paratype, broken dorsal internal mould. J. Strophomenid gen. et sp. indeterminate; NIGP139154, dorsal internal mould (J1) and latex cast (J2), together with a dorsal internal mould of Leptellina spatiosa sp. nov. (top)." figureDoi="http://doi.org/10.5281/zenodo.13620331" httpUri="https://zenodo.org/record/13620331/files/figure.png" pageId="20" pageNumber="385">Fig. 13E</figureCitation>
<figureCitation id="50D109E407611016FBBCBE27FBB693E2" box="[1142,1151,1149,1165]" captionStart="Fig" captionStartId="1.[102,135,1706,1726]" captionTargetBox="[102,773,226,1679]" captionTargetId="graphics-523@1.[102,773,226,1679]" captionTargetPageId="1" captionText="Fig. 1. Location map of the study area. A. Map of China, with the South China palaeoplate outlined by thick line; inset box enlarged as B. B. The border region between Yunnan, Guizhou and Sichuan provinces; inset enlarged as C. C. Detailed map of the Shizigou Valley section near the Weixin County town, with the fossil locality marked by solid triangle." figureDoi="http://doi.org/10.5281/zenodo.13620319" httpUri="https://zenodo.org/record/13620319/files/figure.png" pageId="20" pageNumber="385">
<subScript id="546E172407611016FBBCBE27FBB693E2" attach="left" box="[1142,1151,1149,1165]" fontSize="7" pageId="20" pageNumber="385">1</subScript>
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), but some shells are almost evenly convex (
<figureCitation id="50D109E407611016FC14BECBFB9893C5" box="[990,1105,1169,1194]" captionStart="Fig" captionStartId="17.[102,135,1843,1863]" captionText="Fig. 12. A. Leptellinidae gen. et sp. nov. (to be erected by Zhan and Jin in press); NIGP139131, ventral internal mould (A) and latex cast (A) preserved to + 1 2 gether with a bryozoan colony (top left). BD. Leptellinidae gen. nov., sp. B. NIGP139132, dorsal internal mould (B1) and latex cast (B2). C. NIGP139133, ventral external mould (C1) and latex cast (C2). D. NIGP139134, ventral external mould. EM. Calyptolepta huanghuaensis (Chang, 1983). E. NIGP139135, ventral internal mould. F. NIGP139136, broken ventral internal mould. G. NIGP139137, dorsal internal mould. H. NIGP139138, holotype, dorsal internal mould (H1) and latex cast (H2) with local enlargement (H3) showing cardinalia and bema. I. NIGP139139, dorsal external mould. J. NIGP139140, dorsal internal mould of a juvenile shell. K. NIGP139141, dorsal internal mould. L. NIGP139142, two dorsal internal moulds. M. NIGP139143, dorsal internal mould. N. Leptestiina veturna sp. nov.; NIGP139144, paratype, ventral internal mould." pageId="20" pageNumber="385">Figs. 12N</figureCitation>
,
<figureCitation id="50D109E407611016FB96BECBFB4293C5" box="[1116,1163,1169,1194]" captionStart="Fig" captionStartId="21.[102,135,1426,1446]" captionTargetBox="[102,1485,219,1398]" captionTargetId="figure-161@21.[102,1484,219,1392]" captionTargetPageId="21" captionText="Fig. 13. AI. Leptestiina veturna sp. nov. A. NIGP139145, paratype, ventral internal mould. B. NIGP139146, paratype, ventral internal mould. C. NIGP139147, holotype, ventral internal mould (C1) and latex cast (C2). D. NIGP139148, paratype, ventral internal mould. E. NIGP139149, paratype, ventral internal mould (E1) and latex cast (E2). F. NIGP139150, paratype, dorsal internal mould. G. NIGP139151, paratype, three dorsal external moulds, with dorsal external mould of Leptellinidae gen. et sp. nov. (to be erected by Zhan and Jin in press) (second from right). H. NIGP139152, paratype, dorsal external mould (H1) and latex cast (H2); note also ventral interarea. I. NIGP139153, paratype, broken dorsal internal mould. J. Strophomenid gen. et sp. indeterminate; NIGP139154, dorsal internal mould (J1) and latex cast (J2), together with a dorsal internal mould of Leptellina spatiosa sp. nov. (top)." figureDoi="http://doi.org/10.5281/zenodo.13620331" httpUri="https://zenodo.org/record/13620331/files/figure.png" pageId="20" pageNumber="385">13C</figureCitation>
<figureCitation id="50D109E407611016FB41BEC7FB5D93C2" box="[1163,1172,1181,1197]" captionStart="Fig" captionStartId="1.[102,135,1706,1726]" captionTargetBox="[102,773,226,1679]" captionTargetId="graphics-523@1.[102,773,226,1679]" captionTargetPageId="1" captionText="Fig. 1. Location map of the study area. A. Map of China, with the South China palaeoplate outlined by thick line; inset box enlarged as B. B. The border region between Yunnan, Guizhou and Sichuan provinces; inset enlarged as C. C. Detailed map of the Shizigou Valley section near the Weixin County town, with the fossil locality marked by solid triangle." figureDoi="http://doi.org/10.5281/zenodo.13620319" httpUri="https://zenodo.org/record/13620319/files/figure.png" pageId="20" pageNumber="385">
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).
</paragraph>
<paragraph id="C855156107611016FC98BEEBFB8D9105" blockId="20.[812,1485,1042,1642]" pageId="20" pageNumber="385">
There are seven species assigned to
<taxonomicName id="0FEA6EE207611016FB26BEE9FAA193A5" authorityName="Havlicek" authorityYear="1952" box="[1260,1384,1203,1226]" class="Strophomenata" family="Leptestiidae" genus="Leptestiina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Strophomenatida" pageId="20" pageNumber="385" phylum="Brachiopoda" rank="genus">
<emphasis id="FA9EC97307611016FB26BEE9FAA193A5" box="[1260,1384,1203,1226]" italics="true" pageId="20" pageNumber="385">Leptestiina</emphasis>
</taxonomicName>
, ranging from early Caradocian to midAshgillian (
<bibRefCitation id="AC7B689007611016FAC4BE8BFCAE9265" author="Cocks, L. R. M. &amp; Rong Jia-yu" pageId="20" pageNumber="385" pagination="77 - 163" refId="ref17978" refString="Cocks, L. R. M. and Rong Jia-yu 1989. Classification and review of the brachiopod superfamily Plectambonitacea. Bulletin of the British Museum (Natural History), Geology 45: 77 - 163." type="journal article" year="1989">Cocks and Rong 1989</bibRefCitation>
,
<bibRefCitation id="AC7B689007611016FCB8BEABFC669265" author="Cocks, L. R. M. &amp; Rong Jia-yu" box="[882,943,1265,1290]" pageId="20" pageNumber="385" pagination="216 - 349" refId="ref18017" refString="Cocks, L. R. M. and Rong Jia-yu 2000. Strophomenida. In: R. L. Kaesler (ed.), Treatise on Invertebrate Paleontology, Part H. Brachiopoda (revised), Vol. 2, 216 - 349. Geological Society of America and University of Kansas Press, Lawrence." type="book chapter" year="2000">2000</bibRefCitation>
). In
<collectingCountry id="B0FD55F107611016FC14BEABFBED9265" box="[990,1060,1265,1290]" name="China" pageId="20" pageNumber="385">China</collectingCountry>
, previously known forms of the genus are associated with the
<taxonomicName id="0FEA6EE207611016FBFDBF48FB799245" box="[1079,1200,1298,1322]" class="Strophomenata" family="Foliomenidae" genus="Foliomena" higherTaxonomySource="GBIF" kingdom="Animalia" order="Strophomenida" pageId="20" pageNumber="385" phylum="Brachiopoda" rank="genus">
<emphasis id="FA9EC97307611016FBFDBF48FB799245" box="[1079,1200,1298,1322]" italics="true" pageId="20" pageNumber="385">Foliomena</emphasis>
</taxonomicName>
fauna in the upper Pingliang (upper Caradocian) and the Linhsiang (lower Ashgillian) formations (
<bibRefCitation id="AC7B689007611016FC3ABF0BFB9B9205" author="Fu Li-pu" box="[1008,1106,1361,1386]" pageId="20" pageNumber="385" pagination="95 - 178" refId="ref18403" refString="Fu Li-pu 1982. Brachiopoda [in Chinese]. In: Xian Institute of Geology and Mineral Resources (ed.), Paleontological Atlas of Northwest China, Shaanxi-Gansu-Ningxia Volume, pt. 1, Precambrian and Early Palaeozoic, 95 - 178. Geological Publishing House, Beijing." type="book chapter" year="1982">Fu 1982</bibRefCitation>
; Rong et al. 1994). The new species of late Darriwilian age is probably the oldest known of the genus. In comparison, the
<typeStatus id="1751ABC307611016FB65BFC8FB1692C5" box="[1199,1247,1426,1450]" pageId="20" pageNumber="385">type</typeStatus>
species,
<taxonomicName id="0FEA6EE207611016FA93BFC9FC1592A5" authority="Havlicek, 1952" authorityName="Havlicek" authorityYear="1952" class="Strophomenata" family="Leptestiidae" genus="Leptestiina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Strophomenatida" pageId="20" pageNumber="385" phylum="Brachiopoda" rank="species" species="prantli">
<emphasis id="FA9EC97307611016FA93BFC9FA0492C5" box="[1369,1485,1426,1450]" italics="true" pageId="20" pageNumber="385">L. prantli</emphasis>
<bibRefCitation id="AC7B689007611016FCE6BFEBFC1592A5" author="Havlicek, V." box="[812,988,1457,1482]" pageId="20" pageNumber="385" pagination="397 - 428" refId="ref18712" refString="Havlicek, V. 1952. On the Ordovician representatives of the family Plectambonitidae (Brachiopoda). Sbornik Ustredniho ustavu geologickeho 19: 397 - 428." type="book chapter" year="1952">Havlíček, 1952</bibRefCitation>
</taxonomicName>
from the Králův Dvůr Formation (middle Ashgillian) of
<collectingCountry id="B0FD55F107611016FC12BF8BFB899285" box="[984,1088,1489,1514]" name="Czech Republic" pageId="20" pageNumber="385">Bohemia</collectingCountry>
, can be distinguished by its more transverse shell, more numerous costae, and lower shell convexity.
<taxonomicName id="0FEA6EE207611016FC4ABC49FBBA9145" authorityName="Havlicek" authorityYear="1952" box="[896,1139,1553,1578]" class="Strophomenata" family="Leptestiidae" genus="Leptestiina" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" order="Strophomenatida" pageId="20" pageNumber="385" phylum="Brachiopoda" rank="species" species="prantli">
<emphasis id="FA9EC97307611016FC4ABC49FC359145" box="[896,1020,1555,1578]" italics="true" pageId="20" pageNumber="385">Leptestiina</emphasis>
cf.
<emphasis id="FA9EC97307611016FBEDBC48FBBA9145" box="[1063,1139,1554,1578]" italics="true" pageId="20" pageNumber="385">prantli</emphasis>
</taxonomicName>
from the Linhsiang Formation of western Guizhou Province (Rong et al. 1994) has a strongly transverse shell.
</paragraph>
</subSubSection>
</treatment>
</document>