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<mods:title id="D320712CBF2EC58C012E404EC187A230">Revision of the Alycaeidae of China, Laos and Vietnam (Gastropoda: Cyclophoroidea) II: The genera Alycaeus and Pincerna</mods:title>
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<treatment id="8B1E6842FF987327FF34FE62FC5B2726" ID-DOI="http://doi.org/10.5281/zenodo.7688584" ID-GBIF-Taxon="209384102" ID-Zenodo-Dep="7688584" LSID="urn:lsid:plazi:treatment:8B1E6842FF987327FF34FE62FC5B2726" httpUri="http://treatment.plazi.org/id/8B1E6842FF987327FF34FE62FC5B2726" lastPageNumber="266" pageId="13" pageNumber="266">
<subSubSection id="4BAD8ADFFF987327FF34FE62FC9D22BF" box="[151,815,474,501]" pageId="13" pageNumber="266" type="nomenclature">
<paragraph id="0308D954FF987327FF34FE62FC9D22BF" blockId="13.[151,815,474,537]" box="[151,815,474,501]" pageId="13" pageNumber="266">
<heading id="58406E38FF987327FF34FE62FC9D22BF" bold="true" box="[151,815,474,501]" fontSize="11" level="1" pageId="13" pageNumber="266" reason="1">
<taxonomicName id="C4B7A2D7FF987327FF34FE62FC9D22BF" ID-CoL="7PCM8" authority="(Luo, Zhang &amp; Zhuo, 2009)" authorityName="Preston" authorityYear="1907" baseAuthorityName="Luo, Zhang &amp; Zhuo" baseAuthorityYear="2009" box="[151,815,474,501]" class="Gastropoda" family="Alycaeidae" genus="Pincerna" kingdom="Animalia" order="Architaenioglossa" pageId="13" pageNumber="266" phylum="Mollusca" rank="genus">
<emphasis id="31C30546FF987327FF34FE62FC9D22BF" bold="true" box="[151,815,474,501]" pageId="13" pageNumber="266">
<emphasis id="31C30546FF987327FF34FE62FEB422BE" bold="true" box="[151,262,475,501]" italics="true" pageId="13" pageNumber="266">Pincerna</emphasis>
(?)
<emphasis id="31C30546FF987327FE94FE63FE7D22BE" bold="true" box="[311,463,474,501]" italics="true" pageId="13" pageNumber="266">maolanensis</emphasis>
(
<bibRefCitation id="6726A4A5FF987327FE7DFE63FC9522BF" author="Luo, T. - Ch. &amp; Zhang, W. - H. &amp; Zhuo, W. - C." box="[478,807,474,501]" pageId="13" pageNumber="266" pagination="862 - 864" refId="ref15026" refString="Luo, T. - Ch., Zhang, W. - H. &amp; Zhuo, W. - C. (2009) A new species of the genus Dioryx Benson from China (Prosobranchia, Mesogastropoda, Cyclophoridae). Acta Zootaxonomica Sinica, 34 (4), 862 - 864." type="journal article" year="2009">Luo, Zhang &amp; Zhuo, 2009</bibRefCitation>
)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
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<subSubSection id="4BAD8ADFFF987327FF34FE46FEA02152" box="[151,274,510,537]" pageId="13" pageNumber="266" type="description">
<paragraph id="0308D954FF987327FF34FE46FEA02152" blockId="13.[151,815,474,537]" box="[151,274,510,537]" pageId="13" pageNumber="266">
(
<figureCitation id="9B8CC5D1FF987327FF3CFE46FEB82152" box="[159,266,510,537]" captionStart="FIGURE 5" captionStartId="8.[152,255,1894,1918]" captionTargetBox="[198,1390,181,1871]" captionTargetId="figure-31@8.[198,1390,181,1871]" captionTargetPageId="8" captionText="FIGURE 5. Shells of Pincerna Preston, 1907 species.AE: Pincerna acroptychia n. sp. (holotype); FI: Pincerna maolanensis (Luo, Zhang &amp; Zhuo, 2009) (holotype); JM: Pincerna yaanensis Z.-G. Chen, 2022, holotype; NR: P. yaanensis, locality 2015/53, coll. HA. Photos: Kaibaryer Meng (FI), B. Páll-Gergely (AE, NR), photos from the original description (JM). White lines indicate length of suture." figureDoi="http://doi.org/10.5281/zenodo.7687428" httpUri="https://zenodo.org/record/7687428/files/figure.png" pageId="13" pageNumber="266">Fig. 5FI</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="4BAD8ADFFF987327FF34FDFDFC9B21D2" pageId="13" pageNumber="266" type="reference_group">
<paragraph id="0308D954FF987327FF34FDFDFCF22110" blockId="13.[151,832,579,665]" box="[151,832,579,603]" pageId="13" pageNumber="266">
<treatmentCitationGroup id="23A7FE7AFF987327FF34FDFDFCF22110" box="[151,832,579,603]" pageId="13" pageNumber="266">
<treatmentCitation id="8216FF45FF987327FF34FDFDFD6F2110" author="Luo, T. - Ch. &amp; Zhang, W. - H. &amp; Zhuo, W. - C." box="[151,733,579,603]" page="864" pageId="13" pageNumber="266" year="2009">
<taxonomicName id="C4B7A2D7FF987327FF34FDFDFD6F2110" ID-CoL="7R36W" authority="Luo, Zhang &amp; Zhuo, 2009: 862 - 864" authorityName="Luo, Zhang &amp; Zhuo" authorityPageNumber="862 - 864" authorityYear="2009" box="[151,733,579,603]" class="Gastropoda" family="Alycaeidae" genus="Dioryx" kingdom="Animalia" order="Architaenioglossa" pageId="13" pageNumber="266" phylum="Mollusca" rank="species" species="maolanensis">
<emphasis id="31C30546FF987327FF34FDFDFED12110" box="[151,355,579,603]" italics="true" pageId="13" pageNumber="266">Dioryx maolanensis</emphasis>
<bibRefCitation id="6726A4A5FF987327FECAFDFDFD6F2110" author="Luo, T. - Ch. &amp; Zhang, W. - H. &amp; Zhuo, W. - C." box="[361,733,579,603]" pageId="13" pageNumber="266" pagination="862 - 864" refId="ref15026" refString="Luo, T. - Ch., Zhang, W. - H. &amp; Zhuo, W. - C. (2009) A new species of the genus Dioryx Benson from China (Prosobranchia, Mesogastropoda, Cyclophoridae). Acta Zootaxonomica Sinica, 34 (4), 862 - 864." type="journal article" year="2009">Luo, Zhang &amp; Zhuo, 2009: 862864</bibRefCitation>
</taxonomicName>
</treatmentCitation>
, figs 16.
</treatmentCitationGroup>
</paragraph>
<paragraph id="0308D954FF987327FF34FDDBFDCE2131" blockId="13.[151,832,579,665]" box="[151,636,610,634]" pageId="13" pageNumber="266">
<emphasis id="31C30546FF987327FF34FDDBFE3D2131" box="[151,399,610,634]" italics="true" pageId="13" pageNumber="266">
<taxonomicName id="C4B7A2D7FF987327FF34FDDBFEC72131" ID-CoL="7SQ3V" baseAuthorityName="Luo, Zhang &amp; Zhuo" baseAuthorityYear="2009" box="[151,373,610,634]" class="Gastropoda" family="Alycaeidae" genus="Pincerna" kingdom="Animalia" order="Architaenioglossa" pageId="13" pageNumber="266" phylum="Mollusca" rank="species" species="maolanensis">Pincerna maolanensis</taxonomicName>
</emphasis>
Páll-Gergely, 2017: 10.
</paragraph>
<paragraph id="0308D954FF987327FF34FD38FC9B21D2" blockId="13.[151,832,579,665]" box="[151,809,640,665]" pageId="13" pageNumber="266">
<treatmentCitationGroup id="23A7FE7AFF987327FF34FD38FC9B21D2" box="[151,809,640,665]" pageId="13" pageNumber="266">
<taxonomicName id="C4B7A2D7FF987327FF34FD38FE3521D3" ID-CoL="7PCM8" authorityName="Preston" authorityYear="1907" baseAuthorityName="Luo, Zhang &amp; Zhuo" baseAuthorityYear="2009" box="[151,391,640,665]" class="Gastropoda" family="Alycaeidae" genus="Pincerna" kingdom="Animalia" order="Architaenioglossa" pageId="13" pageNumber="266" phylum="Mollusca" rank="genus">
<emphasis id="31C30546FF987327FF34FD38FF4621D3" box="[151,244,641,664]" italics="true" pageId="13" pageNumber="266">Pincerna</emphasis>
?
<emphasis id="31C30546FF987327FEAFFD39FE3521D3" box="[268,391,640,664]" italics="true" pageId="13" pageNumber="266">maolanensis</emphasis>
</taxonomicName>
<emphasis id="31C30546FF987327FE24FD39FE1321D3" box="[391,417,640,664]" italics="true" pageId="13" pageNumber="266"></emphasis>
<treatmentCitation id="8216FF45FF987327FE02FD39FD6221D2" author="Pall-Gergely, B. &amp; Sajan, S. &amp; Tripathy, B. &amp; Meng, K. &amp; Asami, T. &amp; Ablett, J. D." box="[417,720,640,665]" httpUri="http://treatment.plazi.org/id/F4D5B9103B745A36A6B977F07BCD341B" page="180" pageId="13" pageNumber="266" year="2020">
<bibRefCitation id="6726A4A5FF987327FE02FD39FD6221D2" author="Pall-Gergely, B. &amp; Sajan, S. &amp; Tripathy, B. &amp; Meng, K. &amp; Asami, T. &amp; Ablett, J. D." box="[417,720,640,665]" pageId="13" pageNumber="266" pagination="1 - 220" refId="ref15744" refString="Pall-Gergely, B., Sajan, S., Tripathy, B., Meng, K., Asami, T. &amp; Ablett, J. D. (2020) Genus-level revision of the Alycaeidae (Gastropoda: Cyclophoroidea), with an annotated species catalogue. ZooKeys, 981, 1 - 220. https: // doi. org / 10.3897 / zookeys. 981.53583" type="journal article" year="2020">
Páll-Gergely
<emphasis id="31C30546FF987327FD8BFD38FDEE21D3" box="[552,604,640,664]" italics="true" pageId="13" pageNumber="266">et al.</emphasis>
, 2020: 180
</bibRefCitation>
</treatmentCitation>
, Fig. 41.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="4BAD8ADFFF987327FF34FD7EFD56204E" pageId="13" pageNumber="266" type="materials_examined">
<paragraph id="0308D954FF987327FF34FD7EFD56204E" blockId="13.[151,1437,710,1133]" pageId="13" pageNumber="266">
<emphasis id="31C30546FF987327FF34FD7EFEF621AB" bold="true" box="[151,324,710,737]" pageId="13" pageNumber="266">Type material.</emphasis>
<materialsCitation id="B3DFD309FF987327FEE8FD7EFD6D204E" ID-GBIF-Occurrence="4039909352" collectingDate="2001-07-09" collectionCode="IZCAS" collectorName="Qian-Nan Prefecture &amp; Luo Tai-Chang" country="China" county="Libo County" location="Mao-Lan Town" pageId="13" pageNumber="266" specimenCode="TM 047081" specimenCount="1" stateProvince="Guizhou" typeStatus="holotype">
<location id="06688F8FFF987327FEE8FD7EFE4921AA" LSID="urn:lsid:plazi:treatment:8B1E6842FF987327FF34FE62FC5B2726:06688F8FFF987327FEE8FD7EFE4921AA" box="[331,507,711,737]" country="China" county="Libo County" name="Mao-Lan Town" pageId="13" pageNumber="266" stateProvince="Guizhou">Mao-Lan Town</location>
,
<collectingCounty id="EA69A1D8FF987327FDA5FD7EFD2721AA" box="[518,661,711,737]" pageId="13" pageNumber="266">Libo County</collectingCounty>
,
<collectorName id="AE42BC82FF987327FD3CFD7EFC3821AA" box="[671,906,711,737]" pageId="13" pageNumber="266">Qian-Nan Prefecture</collectorName>
,
<collectingRegion id="C17317B6FF987327FC36FD7EFBD321AA" box="[917,1121,711,737]" country="China" name="Guizhou" pageId="13" pageNumber="266">Guizhou Province</collectingRegion>
,
<collectingCountry id="7BA099C4FF987327FBCFFD7EFB0021AA" box="[1132,1202,711,737]" name="China" pageId="13" pageNumber="266">China</collectingCountry>
, leg.
<collectorName id="AE42BC82FF987327FB4FFD7EFA2A21AA" box="[1260,1432,711,737]" pageId="13" pageNumber="266">Luo Tai-Chang</collectorName>
,
<date id="7709FF94FF987327FF34FD52FF4D204E" box="[151,255,747,773]" pageId="13" pageNumber="266" value="2001-07-09">
<collectingDate id="674D067CFF987327FF34FD52FF4D204E" box="[151,255,747,773]" pageId="13" pageNumber="266" value="2001-07-09">2001.7.9</collectingDate>
</date>
.,
<collectionCode id="65A64191FF987327FEADFD52FEED204E" box="[270,351,747,773]" country="China" httpUri="http://grbio.org/cool/crjh-4ne1" name="Institute of Zoology, Chinese Academy of Sciences" pageId="13" pageNumber="266">IZCAS</collectionCode>
<specimenCode id="5311712FFF987327FEC5FD52FE59204E" box="[358,491,747,773]" collectionCode="TM" country="Germany" name="Teylers Museum, Paleontologische" pageId="13" pageNumber="266">TM 047081</specimenCode>
(
<typeStatus id="DC0C67F6FF987327FE5AFD52FDED204E" box="[505,607,747,773]" pageId="13" pageNumber="266" type="holotype">holotype</typeStatus>
,
<figureCitation id="9B8CC5D1FF987327FDC8FD52FD6A204E" box="[619,728,746,773]" captionStart="FIGURE 5" captionStartId="8.[152,255,1894,1918]" captionTargetBox="[198,1390,181,1871]" captionTargetId="figure-31@8.[198,1390,181,1871]" captionTargetPageId="8" captionText="FIGURE 5. Shells of Pincerna Preston, 1907 species.AE: Pincerna acroptychia n. sp. (holotype); FI: Pincerna maolanensis (Luo, Zhang &amp; Zhuo, 2009) (holotype); JM: Pincerna yaanensis Z.-G. Chen, 2022, holotype; NR: P. yaanensis, locality 2015/53, coll. HA. Photos: Kaibaryer Meng (FI), B. Páll-Gergely (AE, NR), photos from the original description (JM). White lines indicate length of suture." figureDoi="http://doi.org/10.5281/zenodo.7687428" httpUri="https://zenodo.org/record/7687428/files/figure.png" pageId="13" pageNumber="266">Fig. 5FI</figureCitation>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="4BAD8ADFFF987327FF64FCB7FBD92006" pageId="13" pageNumber="266" type="diagnosis">
<paragraph id="0308D954FF987327FF64FCB7FBD92006" blockId="13.[151,1437,710,1133]" pageId="13" pageNumber="266">
<emphasis id="31C30546FF987327FF64FCB7FEF02063" bold="true" box="[199,322,782,808]" pageId="13" pageNumber="266">Diagnosis.</emphasis>
A small alycaeid species with a shell that is higher than wide, R1 strongly, regularly ribbed, long, smooth, R3 or normal length, with low swelling, its ribs density is similar to that of R1.
</paragraph>
</subSubSection>
<subSubSection id="4BAD8ADFFF987327FF64FCEEFD8A2702" pageId="13" pageNumber="266" type="discussion">
<paragraph id="0308D954FF987327FF64FCEEFD8A2702" blockId="13.[151,1437,710,1133]" pageId="13" pageNumber="266">
<emphasis id="31C30546FF987327FF64FCEEFE89203A" bold="true" box="[199,315,855,881]" pageId="13" pageNumber="266">Remarks.</emphasis>
<taxonomicName id="C4B7A2D7FF987327FEE6FCEEFD83203A" baseAuthorityName="Bavay &amp; Dautzenberg" baseAuthorityYear="1900" box="[325,561,855,881]" class="Gastropoda" family="Alycaeidae" genus="Pincerna" kingdom="Animalia" order="Architaenioglossa" pageId="13" pageNumber="266" phylum="Mollusca" rank="species" species="vanbuensis">
<emphasis id="31C30546FF987327FEE6FCEEFD83203A" box="[325,561,855,881]" italics="true" pageId="13" pageNumber="266">Pincerna vanbuensis</emphasis>
</taxonomicName>
is the species most similar to
<taxonomicName id="C4B7A2D7FF987327FC34FCEEFBF3203A" baseAuthorityName="Luo, Zhang &amp; Zhuo" baseAuthorityYear="2009" box="[919,1089,855,881]" class="Gastropoda" family="Alycaeidae" genus="Pincerna" kingdom="Animalia" order="Architaenioglossa" pageId="13" pageNumber="266" phylum="Mollusca" rank="species" species="maolanensis">
<emphasis id="31C30546FF987327FC34FCEEFBF3203A" box="[919,1089,855,881]" italics="true" pageId="13" pageNumber="266">P. maolanensis</emphasis>
</taxonomicName>
in terms of shell size and the ratios or shell regions, however, it has a denser R1 ribbing. Although the rib density of
<taxonomicName id="C4B7A2D7FF987327FB27FCC2FAAF20DE" baseAuthorityName="Bavay &amp; Dautzenberg" baseAuthorityYear="1900" box="[1156,1309,891,917]" class="Gastropoda" family="Alycaeidae" genus="Pincerna" kingdom="Animalia" order="Architaenioglossa" pageId="13" pageNumber="266" phylum="Mollusca" rank="species" species="vanbuensis">
<emphasis id="31C30546FF987327FB27FCC2FAAF20DE" box="[1156,1309,891,917]" italics="true" pageId="13" pageNumber="266">P. vanbuensis</emphasis>
</taxonomicName>
is variable across populations, it is never as widely-spaced as that of
<taxonomicName id="C4B7A2D7FF987327FC8CFC26FC6A20F2" baseAuthorityName="Luo, Zhang &amp; Zhuo" baseAuthorityYear="2009" box="[815,984,927,953]" class="Gastropoda" family="Alycaeidae" genus="Pincerna" kingdom="Animalia" order="Architaenioglossa" pageId="13" pageNumber="266" phylum="Mollusca" rank="species" species="maolanensis">
<emphasis id="31C30546FF987327FC8CFC26FC6A20F2" box="[815,984,927,953]" italics="true" pageId="13" pageNumber="266">P. maolanensis</emphasis>
</taxonomicName>
. Moreover, between the main ribs of
<taxonomicName id="C4B7A2D7FF987327FA2BFC26FE912096" baseAuthorityName="Luo, Zhang &amp; Zhuo" baseAuthorityYear="2009" class="Gastropoda" family="Alycaeidae" genus="Pincerna" kingdom="Animalia" order="Architaenioglossa" pageId="13" pageNumber="266" phylum="Mollusca" rank="species" species="maolanensis">
<emphasis id="31C30546FF987327FA2BFC26FE912096" italics="true" pageId="13" pageNumber="266">P. maolanensis</emphasis>
</taxonomicName>
, there are additional, thinner, lower riblets, while the area between the R1 ribs of
<taxonomicName id="C4B7A2D7FF987327FB46FC7AFACD2096" baseAuthorityName="Bavay &amp; Dautzenberg" baseAuthorityYear="1900" box="[1253,1407,963,989]" class="Gastropoda" family="Alycaeidae" genus="Pincerna" kingdom="Animalia" order="Architaenioglossa" pageId="13" pageNumber="266" phylum="Mollusca" rank="species" species="vanbuensis">
<emphasis id="31C30546FF987327FB46FC7AFACD2096" box="[1253,1407,963,989]" italics="true" pageId="13" pageNumber="266">P. vanbuensis</emphasis>
</taxonomicName>
is smooth. It would be important to examine several samples from northern
<collectingRegion id="C17317B6FF987327FC68FC5EFB99274A" box="[971,1067,999,1025]" country="China" name="Guangxi" pageId="13" pageNumber="266">Guangxi</collectingRegion>
and southern
<collectingRegion id="C17317B6FF987327FB6BFC5EFA9A274A" box="[1224,1320,999,1025]" country="China" name="Guizhou" pageId="13" pageNumber="266">Guizhou</collectingRegion>
provinces to see whether these traits are stable across populations of
<taxonomicName id="C4B7A2D7FF987327FC8CFBB2FC65276E" baseAuthorityName="Luo, Zhang &amp; Zhuo" baseAuthorityYear="2009" box="[815,983,1035,1061]" class="Gastropoda" family="Alycaeidae" genus="Pincerna" kingdom="Animalia" order="Architaenioglossa" pageId="13" pageNumber="266" phylum="Mollusca" rank="species" species="maolanensis">
<emphasis id="31C30546FF987327FC8CFBB2FC65276E" box="[815,983,1035,1061]" italics="true" pageId="13" pageNumber="266">P. maolanensis</emphasis>
</taxonomicName>
and
<taxonomicName id="C4B7A2D7FF987327FBACFBB2FB1A276E" baseAuthorityName="Bavay &amp; Dautzenberg" baseAuthorityYear="1900" box="[1039,1192,1035,1061]" class="Gastropoda" family="Alycaeidae" genus="Pincerna" kingdom="Animalia" order="Architaenioglossa" pageId="13" pageNumber="266" phylum="Mollusca" rank="species" species="vanbuensis">
<emphasis id="31C30546FF987327FBACFBB2FB1A276E" box="[1039,1192,1035,1061]" italics="true" pageId="13" pageNumber="266">P. vanbuensis</emphasis>
</taxonomicName>
, or if the two species are connected by intermediate forms.
</paragraph>
</subSubSection>
<subSubSection id="4BAD8ADFFF987327FF64FBEBFC5B2726" box="[199,1001,1106,1133]" pageId="13" pageNumber="266" type="distribution">
<paragraph id="0308D954FF987327FF64FBEBFC5B2726" blockId="13.[151,1437,710,1133]" box="[199,1001,1106,1133]" pageId="13" pageNumber="266">
<emphasis id="31C30546FF987327FF64FBEBFED32727" bold="true" box="[199,353,1106,1132]" pageId="13" pageNumber="266">Distribution.</emphasis>
This species is known only from its
<typeStatus id="DC0C67F6FF987327FD5FFBEAFC9E2726" box="[764,812,1107,1133]" pageId="13" pageNumber="266">type</typeStatus>
locality (
<figureCitation id="9B8CC5D1FF987327FC34FBEAFC692726" box="[919,987,1107,1133]" captionStart="FIGURE 6" captionStartId="9.[152,255,1367,1391]" captionTargetBox="[151,1436,181,1343]" captionTargetId="figure-15@9.[151,1436,181,1343]" captionTargetPageId="9" captionText="FIGURE 6. Distribution of Pincerna Preston, 1907 species. Circles: Pincerna costulosus (Bavay &amp; Dautzenberg, 1912) (yellow circle indicates the type locality of Pincerna vallis Z.-Y. Chen &amp; M. Wu, 2020); Yellow triangle: Pincerna acroptychia n. sp.; Green rhomb: Pincerna yaanensis Z.-Y. Chen, 2022. The map was made using Google Earth Pro." figureDoi="http://doi.org/10.5281/zenodo.7687430" httpUri="https://zenodo.org/record/7687430/files/figure.png" pageId="13" pageNumber="266">Fig. 6</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>