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<mods:title id="3332A00A456FD5CBD9ED6B4F7EE17152">Diversification in ancient Lake Biwa: integrative taxonomy reveals overlooked species diversity of the Japanese freshwater snail genus Semisulcospira (Mollusca: Semisulcospiridae)</mods:title>
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<treatment id="BE0D87E1FFF7AD5C38DFF12AEED1C821" ID-DOI="http://doi.org/10.5281/zenodo.8349628" ID-GBIF-Taxon="213153331" ID-Zenodo-Dep="8349628" LSID="urn:lsid:plazi:treatment:BE0D87E1FFF7AD5C38DFF12AEED1C821" httpUri="http://treatment.plazi.org/id/BE0D87E1FFF7AD5C38DFF12AEED1C821" lastPageId="29" lastPageNumber="30" pageId="27" pageNumber="28">
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<paragraph id="361B36F7FFF7AD5A38DFF12AE910C941" blockId="27.[645,1098,817,844]" box="[645,1098,817,844]" pageId="27" pageNumber="28">
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<emphasis id="04D0EAE5FFF7AD5A38DFF12AE910C941" bold="true" box="[645,1098,817,844]" pageId="27" pageNumber="28">
<taxonomicName id="F1A44D74FFF7AD5A38DFF12AEEABC946" ID-CoL="9GJGL" ID-ENA="2931989" authority="Sawada" authorityName="Sawada" authorityYear="2023" box="[645,1009,817,844]" class="Gastropoda" family="Semisulcospiridae" genus="Semisulcospira" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="nakanoi" status="sp. nov.">
<emphasis id="04D0EAE5FFF7AD5A38DFF12AEECFC941" bold="true" box="[645,917,817,844]" italics="true" pageId="27" pageNumber="28">Semisulcospira nakanoi</emphasis>
Sawada
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<taxonomicNameLabel id="1FE3579EFFF7AD5A39ACF129E910C941" box="[1014,1098,818,844]" pageId="27" pageNumber="28" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
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<paragraph id="361B36F7FFF7AD5A38DFF14DEE92C9D1" blockId="27.[645,1157,853,1742]" pageId="27" pageNumber="28">
[New Japanese name: Chikubu-kawanina] (
<tableCitation id="7B26034CFFF7AD5A38D7F162EF82C999" box="[653,728,889,916]" captionStart="TABLE 2" captionStartId="10.[129,189,166,187]" captionTargetBox="[129,1171,243,1709]" captionText="TABLE 2 Morphometric characters of five Semisulcospira species examined in the present study.Measurements and counts: minimummaximum value (mean ± SD)" httpUri="http://table.plazi.org/id/62DB667FFFE6AD4B3ADBF2BDEF87CAD5" pageId="27" pageNumber="28" tableUuid="62DB667FFFE6AD4B3ADBF2BDEF87CAD5">table 2</tableCitation>
, supplementary
<tableCitation id="7B26034CFFF7AD5A39D1F162EEBAC999" box="[907,992,889,916]" captionStart="TABLE 2" captionStartId="10.[129,189,166,187]" captionTargetBox="[129,1171,243,1709]" captionText="TABLE 2 Morphometric characters of five Semisulcospira species examined in the present study.Measurements and counts: minimummaximum value (mean ± SD)" httpUri="http://table.plazi.org/id/62DB667FFFE6AD4B3ADBF2BDEF87CAD5" pageId="27" pageNumber="28" tableUuid="62DB667FFFE6AD4B3ADBF2BDEF87CAD5">table S2</tableCitation>
;
<figureCitation id="AE9F2A72FFF7AD5A39B3F162E970C999" box="[1001,1066,889,916]" captionStart="FIGURE 10" captionStartId="20.[130,197,497,518]" captionTargetBox="[322,994,164,478]" captionTargetId="figure-388@20.[322,994,164,478]" captionTargetPageId="20" captionText="FIGURE 10 Shells of Semisulcospira nakanoi sp. nov. AG,Holotype, KUZ Z4122.HJ, Paratype, KUZ Z4125. KL, Paratype, KUZ Z4126.MQ, Specimens from Onoe Port, KUZ Z4129, Z4130.AC, H, K, M, P, Adult shell. AC, H, M, Female.K, P,Male.D, I, L, N, Q, Operculum.EG, J, O, Embryonic shell.Scale bars: 10 mm (AD, HI, KL, MN, PQ), 1 mm (EG, J, O). All specimens were treated with 3% sodium hypochlorite" figureDoi="http://doi.org/10.5281/zenodo.8349640" httpUri="https://zenodo.org/record/8349640/files/figure.png" pageId="27" pageNumber="28">figs 10</figureCitation>
,
<figureCitation id="AE9F2A72FFF7AD5A3E69F161E927C999" box="[1075,1149,890,916]" captionStart="FIGURE 12" captionStartId="21.[98,165,1257,1278]" captionTargetBox="[291,963,724,1238]" captionTargetId="figure-189@21.[291,963,724,1238]" captionTargetPageId="21" captionText="FIGURE 12 Radulae of Semisulcospira species.AG, Semisulcospira niponica: A, Oura Port, KUZ Z4091; B, Nagahama Port, KUZ Z4093; C, Iso, KUZ Z4095; D, Kitakomatsu Port, KUZ Z4097; E, Katata Port, KUZ Z4099; F, Otsu Port, KUZ Z4101; G, Nango, KUZ Z4103.HJ, Semisulcospira fuscata: H, Lake Yogo, KUZ Z4103; I, Oura, KUZ Z4105; J, Nihonmatsu, KUZ Z4107.KL, Semisulcospira watanabei sp. nov.:K, Kitakomatsu Port, KUZ Z4115;L, Horikiri Port, KUZ Z4120.MN, Semisulcospira nakanoi sp. nov.: M, Onoe Port, KUZ Z4129;N, Chikubu-shima Island, KUZ Z4127.OP, Semisulcospira salebrosa sp. nov.:O, Take-shima Island, KUZ Z4138;P, Shiraishi-jima Island, KUZ Z4136.Scale bars:100 Μm" figureDoi="http://doi.org/10.5281/zenodo.8349644" httpUri="https://zenodo.org/record/8349644/files/figure.png" pageId="27" pageNumber="28">12M, N</figureCitation>
)
<uri id="42353AF5FFF7AD5A38DFF186EE92C9D1" pageId="27" pageNumber="28">
urn:lsid:zoobank.org:act:
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<taxonomicName id="F1A44D74FFF7AD5A38DFF1FEEE1DC9F2" authorityName="Smith" authorityYear="1876" box="[645,839,997,1023]" class="Gastropoda" family="Cochliopidae" genus="Melania" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="niponica">Melania niponica</taxonomicName>
</emphasis>
<treatmentCitation id="B70510E6FFF7AD5A393EF1FEE919CE0D" author="Annandale, N." box="[868,1091,997,1024]" page="45" pageId="27" pageNumber="28" year="1916">
<bibRefCitation id="52354B06FFF7AD5A393EF1FEE919CE0D" author="Annandale, N." box="[868,1091,997,1024]" pageId="27" pageNumber="28" pagination="41 - 74" refId="ref20403" refString="Annandale, N. (1916) Zoological results of a tour in the far east. The Mollusca of Lake Biwa, Japan. Records of the Indian Museum, 6, 41 - 74." type="journal article" year="1916">Annandale, 1916: 45</bibRefCitation>
</treatmentCitation>
, pl. 3,
<figureCitation id="AE9F2A72FFF7AD5A38DFF612EF93CE2E" box="[645,713,1033,1059]" captionStart="FIGURE 3" captionStartId="7.[98,165,1691,1712]" captionTargetBox="[211,1036,1246,1673]" captionTargetId="figure-399@7.[211,1043,1246,1673]" captionTargetPageId="7" captionText="FIGURE 3 Results of principal components analysis based on 738 SNPs conducted for five Semisulcospira species. A, Principal component (PC) 1 vs PC2.B, PC2 vs PC3. C, PC3 vs PC4. D, PC4 vs PC5" figureDoi="http://doi.org/10.5281/zenodo.8349620" httpUri="https://zenodo.org/record/8349620/files/figure.png" pageId="27" pageNumber="28">fig. 3B</figureCitation>
(part).
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<treatmentCitationGroup id="16B411D9FFF7AD5A38DFF636EE14CF6B" pageId="27" pageNumber="28">
<emphasis id="04D0EAE5FFF7AD5A38DFF636EE6ECE4A" box="[645,820,1069,1095]" italics="true" pageId="27" pageNumber="28">
<taxonomicName id="F1A44D74FFF7AD5A38DFF636EE7BCE4A" box="[645,801,1069,1095]" class="Gastropoda" family="Cochliopidae" genus="Melania" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="biwae">Melania biwae</taxonomicName>
</emphasis>
<treatmentCitation id="B70510E6FFF7AD5A3962F636E957CE45" author="Annandale, N." box="[824,1037,1069,1096]" page="45" pageId="27" pageNumber="28" year="1916">
<bibRefCitation id="52354B06FFF7AD5A3962F636E957CE45" author="Annandale, N." box="[824,1037,1069,1096]" pageId="27" pageNumber="28" pagination="41 - 74" refId="ref20403" refString="Annandale, N. (1916) Zoological results of a tour in the far east. The Mollusca of Lake Biwa, Japan. Records of the Indian Museum, 6, 41 - 74." type="journal article" year="1916">Annandale, 1916: 45</bibRefCitation>
</treatmentCitation>
, pl. 3,
<figureCitation id="AE9F2A72FFF7AD5A3E17F636E9DBCE4A" box="[1101,1153,1069,1095]" captionStart="FIGURE 4" captionStartId="8.[130,197,1691,1712]" captionTargetBox="[259,1057,1136,1671]" captionTargetId="figure-385@8.[258,1058,1135,1672]" captionTargetPageId="8" captionText="FIGURE 4 Results of ADMIXTURE analysis based on 738 SNPs conducted for five Semisulcospira species.Bar colours of the species in K = 5 correspond to the colour coding in fig.3" figureDoi="http://doi.org/10.5281/zenodo.8349624" httpUri="https://zenodo.org/record/8349624/files/figure.png" pageId="27" pageNumber="28">fig. 4</figureCitation>
.
<taxonomicName id="F1A44D74FFF7AD5A38DFF64AEEC8CE66" ID-CoL="4WHDH" baseAuthorityName="Smith" baseAuthorityYear="1876" box="[645,914,1105,1131]" class="Gastropoda" family="Semisulcospiridae" genus="Semisulcospira" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="niponica">
<emphasis id="04D0EAE5FFF7AD5A38DFF64AEEC8CE66" box="[645,914,1105,1131]" italics="true" pageId="27" pageNumber="28">Semisulcospira niponica</emphasis>
</taxonomicName>
<treatmentCitation id="B70510E6FFF7AD5A39EDF64AE9DBCE66" author="Kuroda, T." box="[951,1153,1105,1131]" page="186" pageId="27" pageNumber="28" year="1929">
<bibRefCitation id="52354B06FFF7AD5A39EDF64AE9DBCE66" author="Kuroda, T." box="[951,1153,1105,1131]" pageId="27" pageNumber="28" pagination="179 - 193" refId="ref21864" refString="Kuroda, T. (1929) On Japanese Melanians. Venus, 1, 179 - 193." type="journal article" year="1929">Kuroda, 1929: 186</bibRefCitation>
</treatmentCitation>
, 189, pl. 5, fig. 31 (part);
<bibRefCitation id="52354B06FFF7AD5A39D2F66EE904CE9D" author="Hirase, S. &amp; Taki, I." box="[904,1118,1141,1168]" pageId="27" pageNumber="28" refId="ref21316" refString="Hirase, S. &amp; Taki, I. (1951) An Illustrated handbook of shells in natural colors from the Japanese islands and adjacent territory. Bunkyokaku, Tokyo." type="book" year="1951">Hirase &amp; Taki, 1951</bibRefCitation>
: pl. 82, fig. 15;
<treatmentCitation id="B70510E6FFF7AD5A38ABF682EEFFCEBE" author="Kuroda, T." box="[753,933,1177,1203]" page="86" pageId="27" pageNumber="28" year="1962">
<bibRefCitation id="52354B06FFF7AD5A38ABF682EEFFCEBE" author="Kuroda, T." box="[753,933,1177,1203]" pageId="27" pageNumber="28" pagination="86 - 91" refId="ref21883" refString="Kuroda, T. (1962) Mollusca in Lake Biwa. Venus, 22, 86 - 91." type="journal article" year="1962">Kuroda, 1962: 86</bibRefCitation>
</treatmentCitation>
(part; TAU);
<treatmentCitation id="B70510E6FFF7AD5A3E68F682EE65CEDA" author="Kuroda, T. &amp; Habe, T." page="57" pageId="27" pageNumber="28" year="1965">
<bibRefCitation id="52354B06FFF7AD5A3E68F682EE65CEDA" author="Kuroda, T. &amp; Habe, T." pageId="27" pageNumber="28" pagination="57" refId="ref21903" refString="Kuroda, T. &amp; Habe, T. (1965) Semisulcospira niponica. In: Okada, K. (Ed) New illuscrated encyclopedia of the fauna of Japan, p. 57. Hukuryu-kan Publishing Co. Ltd., Tokyo." type="book chapter" year="1965">Kuroda &amp; Habe, 1965: 57</bibRefCitation>
</treatmentCitation>
(part);
<treatmentCitation id="B70510E6FFF7AD5A39C9F6A7EFFBCEF6" author="Habe, T. &amp; Kosuge, S." page="28" pageId="27" pageNumber="28" year="1967">
<bibRefCitation id="52354B06FFF7AD5A39C9F6A7EFFBCEF6" author="Habe, T. &amp; Kosuge, S." pageId="27" pageNumber="28" refId="ref21186" refString="Habe, T. &amp; Kosuge, S. (1967) Common Shells of Japan in Color. 21 th Edition. Hoikusha Publishing Co., Ltd., Osaka." type="book" year="1967">Habe &amp; Kosuge, 1967: 28</bibRefCitation>
</treatmentCitation>
, pl. 11, fig. 21 (part);
<bibRefCitation id="52354B06FFF7AD5A392EF6FBE979CEF6" author="Watanabe, N. C." box="[884,1059,1248,1275]" pageId="27" pageNumber="28" pagination="194 - 203" refId="ref23837" refString="Watanabe, N. C. (1984) Studies on taxonomy and distribution of the freshwater snails, genus Semisulcospira in the three islands inside Lake Biwa. Venus, 45, 194 - 203. https: // doi. org / 10.3739 / rikusui. 45.194." type="journal article" year="1984">Watanabe, 1984</bibRefCitation>
:
<figureCitation id="AE9F2A72FFF7AD5A3E71F6FBE9DBCEF7" box="[1067,1153,1248,1274]" captionStart="FIGURE 3" captionStartId="7.[98,165,1691,1712]" captionTargetBox="[211,1036,1246,1673]" captionTargetId="figure-399@7.[211,1043,1246,1673]" captionTargetPageId="7" captionText="FIGURE 3 Results of principal components analysis based on 738 SNPs conducted for five Semisulcospira species. A, Principal component (PC) 1 vs PC2.B, PC2 vs PC3. C, PC3 vs PC4. D, PC4 vs PC5" figureDoi="http://doi.org/10.5281/zenodo.8349620" httpUri="https://zenodo.org/record/8349620/files/figure.png" pageId="27" pageNumber="28">fig. 3b, f</figureCitation>
;
<treatmentCitation id="B70510E6FFF7AD5A38DFF71FEE2CCF13" author="Watanabe, N. C." box="[645,886,1284,1310]" page="11" pageId="27" pageNumber="28" year="1989">
<bibRefCitation id="52354B06FFF7AD5A38DFF71FEE2CCF13" author="Watanabe, N. C." box="[645,886,1284,1310]" pageId="27" pageNumber="28" refId="ref23887" refString="Watanabe, N. C. (1989) Report on research commissioned by the Lake Biwa Research Institute. Studies on the taxonomic reconsideration of the major benthic fauna. Otsu, Lake Biwa Research Institute." type="book" year="1989">Watanabe, 1989: 1113</bibRefCitation>
</treatmentCitation>
, 47,
<figureCitation id="AE9F2A72FFF7AD5A39FFF71FEEB0CF13" box="[933,1002,1284,1310]" captionStart="FIGURE 10" captionStartId="20.[130,197,497,518]" captionTargetBox="[322,994,164,478]" captionTargetId="figure-388@20.[322,994,164,478]" captionTargetPageId="20" captionText="FIGURE 10 Shells of Semisulcospira nakanoi sp. nov. AG,Holotype, KUZ Z4122.HJ, Paratype, KUZ Z4125. KL, Paratype, KUZ Z4126.MQ, Specimens from Onoe Port, KUZ Z4129, Z4130.AC, H, K, M, P, Adult shell. AC, H, M, Female.K, P,Male.D, I, L, N, Q, Operculum.EG, J, O, Embryonic shell.Scale bars: 10 mm (AD, HI, KL, MN, PQ), 1 mm (EG, J, O). All specimens were treated with 3% sodium hypochlorite" figureDoi="http://doi.org/10.5281/zenodo.8349640" httpUri="https://zenodo.org/record/8349640/files/figure.png" pageId="27" pageNumber="28">figs 10</figureCitation>
, 27, 28 (part).
<taxonomicName id="F1A44D74FFF7AD5A38DFF733E95BCF4F" box="[645,1025,1320,1347]" class="Gastropoda" family="Semisulcospiridae" genus="Semisulcospira" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="variety" species="niponica" variety="biwae">
<emphasis id="04D0EAE5FFF7AD5A38DFF733EED4CF4F" box="[645,910,1320,1346]" italics="true" pageId="27" pageNumber="28">Semisulcospira niponica</emphasis>
var.
<emphasis id="04D0EAE5FFF7AD5A3998F733E95BCF4F" box="[962,1025,1320,1346]" italics="true" pageId="27" pageNumber="28">biwae</emphasis>
</taxonomicName>
<treatmentCitation id="B70510E6FFF7AD5A3E47F733EFBBCF6B" author="Fukuoka, G." page="114" pageId="27" pageNumber="28" year="1933">
<bibRefCitation id="52354B06FFF7AD5A3E47F733EFBBCF6B" author="Fukuoka, G." pageId="27" pageNumber="28" pagination="114 - 118" refId="ref21005" refString="Fukuoka, G. (1933) Ecological distribution of the freshwater snail Semisulcospira in the environs of Kyoto. Venus, 4, 114 - 118." type="journal article" year="1933">
<collectingRegion id="F460F815FFF7AD5A3E47F733E9DBCF4F" box="[1053,1153,1320,1346]" country="Japan" name="Fukuoka" pageId="27" pageNumber="28">Fukuoka</collectingRegion>
, 1933: 114
</bibRefCitation>
</treatmentCitation>
, 117,
<figureCitation id="AE9F2A72FFF7AD5A3949F757EE10CF6B" box="[787,842,1356,1382]" captionStart="FIGURE 6" captionStartId="12.[129,196,1445,1466]" captionTargetBox="[226,1090,728,1426]" captionTargetId="figure-76@12.[226,1090,728,1426]" captionTargetPageId="12" captionText="FIGURE 6 Map of Lake Biwa indicating geographical variation in the frequency of sculpture types in the adult females of five Semisulcospira species.Colours of locality names correspond to the colour coding in fig.1" figureDoi="http://doi.org/10.5281/zenodo.8349630" httpUri="https://zenodo.org/record/8349630/files/figure.png" pageId="27" pageNumber="28">fig. 6</figureCitation>
.
</treatmentCitationGroup>
</paragraph>
<paragraph id="361B36F7FFF7AD5A38DFF76BE968CFDF" blockId="27.[645,1157,853,1742]" pageId="27" pageNumber="28">
<treatmentCitationGroup id="16B411D9FFF7AD5A38DFF76BE968CFDF" pageId="27" pageNumber="28">
<taxonomicName id="F1A44D74FFF7AD5A38DFF76BE907CF87" ID-CoL="4WHDH" baseAuthorityName="Smith" baseAuthorityYear="1876" box="[645,1117,1392,1419]" class="Gastropoda" family="Semisulcospiridae" genus="Semisulcospira" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="niponica" subGenus="Biwamelania">
<emphasis id="04D0EAE5FFF7AD5A38DFF76BEE73CF87" box="[645,809,1392,1418]" italics="true" pageId="27" pageNumber="28">Semisulcospira</emphasis>
(
<emphasis id="04D0EAE5FFF7AD5A3916F76BEE81CF87" box="[844,987,1392,1418]" italics="true" pageId="27" pageNumber="28">Biwamelania</emphasis>
)
<emphasis id="04D0EAE5FFF7AD5A39A4F76AE907CF87" box="[1022,1117,1393,1418]" italics="true" pageId="27" pageNumber="28">niponica</emphasis>
</taxonomicName>
<treatmentCitation id="B70510E6FFF7AD5A38DFF78FEE2CCFA3" author="Nishino, M." box="[645,886,1428,1454]" page="9" pageId="27" pageNumber="28" year="1991">
<bibRefCitation id="52354B06FFF7AD5A38DFF78FEE2CCFA3" author="Nishino, M." box="[645,886,1428,1454]" pageId="27" pageNumber="28" refId="ref22453" refString="Nishino, M. (1991) Benthos in Lake Biwa. Life in watersides. Lake Biwa Research Institute, Otsu." type="book" year="1991">Nishino, 1991: 910</bibRefCitation>
</treatmentCitation>
, unnumbered figures (part);
<treatmentCitation id="B70510E6FFF7AD5A3889F7A3EEBECFDE" author="Kihira, H. &amp; Matsuda, M. &amp; Uchiyama, R." box="[723,996,1464,1491]" page="24" pageId="27" pageNumber="28" year="2009">
<bibRefCitation id="52354B06FFF7AD5A3889F7A3EEBECFDE" author="Kihira, H. &amp; Matsuda, M. &amp; Uchiyama, R." box="[723,996,1464,1491]" pageId="27" pageNumber="28" refId="ref21635" refString="Kihira, H., Matsuda, M. &amp; Uchiyama, R. (2009) Guide of Japanese freshwater shellfishes (1). Freshwater shellfishes in Lake Biwa and Yodo River. Revised edition. Pieces Publishers, Yokohama." type="book" year="2009">Kihira et al., 2009: 2425</bibRefCitation>
</treatmentCitation>
(part).
</treatmentCitationGroup>
</paragraph>
<paragraph id="361B36F7FFF7AD5A38DFF7C7EEA6CC17" blockId="27.[645,1157,853,1742]" pageId="27" pageNumber="28">
<treatmentCitationGroup id="16B411D9FFF7AD5A38DFF7C7EEA6CC17" pageId="27" pageNumber="28">
<taxonomicName id="F1A44D74FFF7AD5A38DFF7C7EE84CFFB" box="[645,990,1500,1526]" class="Gastropoda" family="Semisulcospiridae" genus="Semisulcospira" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="subSpecies" species="nipponica" subSpecies="biwae">
<emphasis id="04D0EAE5FFF7AD5A38DFF7C7EE84CFFB" box="[645,990,1500,1526]" italics="true" pageId="27" pageNumber="28">Semisulcospira nipponica biwae</emphasis>
</taxonomicName>
<treatmentCitation id="B70510E6FFF7AD5A39ACF7C7EF87CC17" author="Higo, S. &amp; Goto, Y." page="97" pageId="27" pageNumber="28" year="1993">
<bibRefCitation id="52354B06FFF7AD5A39ACF7C7EF87CC17" author="Higo, S. &amp; Goto, Y." pageId="27" pageNumber="28" refId="ref21282" refString="Higo, S. &amp; Goto, Y. (1993) A systematic list of molluscan shells from the Japanese Is. and the adjacent area. Elle Scientific Publications, Yao." type="book" year="1993">Higo &amp; Goto, 1993: 97</bibRefCitation>
</treatmentCitation>
;
<treatmentCitation id="B70510E6FFF7AD5A38BDF41BEEA2CC17" author="Goto, Y. &amp; Poppe, G." box="[743,1016,1536,1562]" page="204" pageId="27" pageNumber="28" year="1996">
<bibRefCitation id="52354B06FFF7AD5A38BDF41BEEA2CC17" author="Goto, Y. &amp; Poppe, G." box="[743,1016,1536,1562]" pageId="27" pageNumber="28" refId="ref21069" refString="Goto, Y. &amp; Poppe, G. (1996) A listing of living mollusca. Part II. Volume I. L'Informatore Piceno, Ancona." type="book" year="1996">Goto &amp; Poppe, 1996: 204</bibRefCitation>
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
<paragraph id="361B36F7FFF7AD5A38DFF43FEE4FCC8B" blockId="27.[645,1157,853,1742]" pageId="27" pageNumber="28">
<treatmentCitationGroup id="16B411D9FFF7AD5A38DFF43FEE4FCC8B" pageId="27" pageNumber="28">
<taxonomicName id="F1A44D74FFF7AD5A38DFF43FE9DECC33" ID-CoL="4WHDH" baseAuthorityName="Smith" baseAuthorityYear="1876" box="[645,1156,1572,1598]" class="Gastropoda" family="Semisulcospiridae" genus="Semisulcospira" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="niponica" subGenus="Biwamelania">
<emphasis id="04D0EAE5FFF7AD5A38DFF43FEE73CC33" box="[645,809,1572,1598]" italics="true" pageId="27" pageNumber="28">Semisulcospira</emphasis>
(
<emphasis id="04D0EAE5FFF7AD5A3963F43FEE92CC33" box="[825,968,1572,1598]" italics="true" pageId="27" pageNumber="28">Biwamelania</emphasis>
)
<emphasis id="04D0EAE5FFF7AD5A398DF43FE96CCC30" box="[983,1078,1572,1597]" italics="true" pageId="27" pageNumber="28">niponica</emphasis>
(
<emphasis id="04D0EAE5FFF7AD5A3E1FF43FE9DECC33" box="[1093,1156,1572,1598]" italics="true" pageId="27" pageNumber="28">biwae</emphasis>
</taxonomicName>
<typeStatus id="E91F8855FFF7AD5A38DFF453EFE2CC6F" box="[645,696,1608,1634]" pageId="27" pageNumber="28">type</typeStatus>
)
<treatmentCitation id="B70510E6FFF7AD5A38B4F45CE9DBCC6F" author="Watanabe, N. C. &amp; Nishino, M." box="[750,1153,1607,1634]" page="17" pageId="27" pageNumber="28" year="1995">
<bibRefCitation id="52354B06FFF7AD5A38B4F45CE9DBCC6F" author="Watanabe, N. C. &amp; Nishino, M." box="[750,1153,1607,1634]" pageId="27" pageNumber="28" pagination="1 - 36" refId="ref23925" refString="Watanabe, N. C. &amp; Nishino, M. (1995) A study on taxonomy and distribution of the freshwater snail, genus Semisulcospira in Lake Biwa, with descriptions of eight new species. Lake Biwa Study Monographs, 6, 1 - 36." type="journal article" year="1995">Watanabe &amp; Nishino, 1995: 1718</bibRefCitation>
</treatmentCitation>
,
<figureCitation id="AE9F2A72FFF7AD5A38DFF470EF92CC8B" box="[645,712,1643,1670]" captionStart="FIGURE 5" captionStartId="9.[98,165,923,944]" captionTargetBox="[211,1043,164,904]" captionTargetId="figure-304@9.[211,1043,164,904]" captionTargetPageId="9" captionText="FIGURE 5 Phylogenetic relationships of five Semisulcospira species estimated by the Neighbor-Net reconstructed based on uncorrected p-distances of 738 SNPs" figureDoi="http://doi.org/10.5281/zenodo.8349626" httpUri="https://zenodo.org/record/8349626/files/figure.png" pageId="27" pageNumber="28">fig. 5b</figureCitation>
(part).
</treatmentCitationGroup>
</paragraph>
<paragraph id="361B36F7FFF7AD5A38DFF494EE02CCC0" blockId="27.[645,1157,853,1742]" pageId="27" pageNumber="28">
<treatmentCitationGroup id="16B411D9FFF7AD5A38DFF494EE02CCC0" pageId="27" pageNumber="28">
<taxonomicName id="F1A44D74FFF7AD5A38DFF494EEDACCA4" ID-CoL="64fb42af-fa93-4311-abf7-4c0dc18f793b" baseAuthorityName="E. A. Smith" baseAuthorityYear="1876" box="[645,896,1679,1705]" class="Gastropoda" family="Semisulcospiridae" genus="Biwamelania" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="niponica">
<emphasis id="04D0EAE5FFF7AD5A38DFF494EEDACCA4" box="[645,896,1679,1705]" italics="true" pageId="27" pageNumber="28">Biwamelania niponica</emphasis>
</taxonomicName>
<treatmentCitation id="B70510E6FFF7AD5A39F1F494EF84CCC3" author="Nishino, M. &amp; Tanida, K." page="56" pageId="27" pageNumber="28" year="2018">
<bibRefCitation id="52354B06FFF7AD5A39F1F494EF84CCC3" author="Nishino, M. &amp; Tanida, K." pageId="27" pageNumber="28" refId="ref22534" refString="Nishino, M. &amp; Tanida, K. (2018) Illustration of benthic fauna in Lake Biwa. Second edition. Incorporated Administrative Agency Japan Water Agency Lake Biwa Development Integrated Operation &amp; Maintenance Office, Otsu." type="book" year="2018">Nishino &amp; Tanida, 2018: 56</bibRefCitation>
</treatmentCitation>
, 251 (part).
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="7EBE657CFFF0AD5C3ADBF2B0EED1C821" lastPageId="29" lastPageNumber="30" pageId="28" pageNumber="29" type="materials_examined">
<paragraph id="361B36F7FFF0AD5D3ADBF2B0EF48CBCC" blockId="28.[128,640,171,1741]" pageId="28" pageNumber="29">
<emphasis id="04D0EAE5FFF0AD5D3ADBF2B0EC06CAC8" box="[129,348,171,197]" italics="true" pageId="28" pageNumber="29">Material examined</emphasis>
:
<materialsCitation id="86CC3CAAFFF0AD5D3B2CF2B0EF26CB74" ID-GBIF-Occurrence="4411658302" collectingDate="2020-09-09" country="Japan" county="Nagahama City" location="Lake Biwa" municipality="Chikubu-shima" pageId="28" pageNumber="29" specimenCount="1" stateProvince="Shiga" typeStatus="holotype">
<typeStatus id="E91F8855FFF0AD5D3B2CF2B0ECBBCAC8" box="[374,481,171,197]" pageId="28" pageNumber="29" type="holotype">Holotype</typeStatus>
: KUZ Z4122, adult female with embryonic shells treated with sodium hypochlorite, collected from depth of 3.0 m of
<location id="337B602CFFF0AD5D3B36F30CECBCCB3C" LSID="urn:lsid:plazi:treatment:BE0D87E1FFF7AD5C38DFF12AEED1C821:337B602CFFF0AD5D3B36F30CECBCCB3C" box="[364,486,279,305]" country="Japan" county="Nagahama City" municipality="Chikubu-shima" name="Lake Biwa" pageId="28" pageNumber="29" stateProvince="Shiga">Lake Biwa</location>
at
<collectingMunicipality id="D67FAC8DFFF0AD5D384CF30CED9DCB58" pageId="28" pageNumber="29">Chikubu-shima</collectingMunicipality>
,
<collectingCounty id="DF7A4E7BFFF0AD5D3ABAF320ECC1CB58" box="[224,411,315,341]" pageId="28" pageNumber="29">Nagahama City</collectingCounty>
,
<collectingRegion id="F460F815FFF0AD5D3BEEF320EF26CB58" box="[436,636,315,341]" country="Japan" name="Shiga" pageId="28" pageNumber="29">Shiga Prefecture</collectingRegion>
,
<collectingCountry id="4EB37667FFF0AD5D3ADBF344ED99CB74" box="[129,195,351,377]" name="Japan" pageId="28" pageNumber="29">Japan</collectingCountry>
, on
<date id="421A1037FFF0AD5D3AA2F344EC90CB74" box="[248,458,351,377]" pageId="28" pageNumber="29" value="2020-09-09">
<collectingDate id="525EE9DFFFF0AD5D3AA2F344EC90CB74" box="[248,458,351,377]" pageId="28" pageNumber="29" value="2020-09-09">9 September 2020</collectingDate>
</date>
by first author
</materialsCitation>
.
<materialsCitation id="86CC3CAAFFF0AD5D3ADBF398EF54CBCC" ID-GBIF-Occurrence="4411658308" collectingDate="2020-09-09" country="Japan" county="Nagahama City" location="Lake Biwa" municipality="Chikubu-shima" pageId="28" pageNumber="29" specimenCount="4" specimenCount-adult="4" stateProvince="Shiga" typeStatus="paratype">
<typeStatus id="E91F8855FFF0AD5D3ADBF398EDAACB90" box="[129,240,387,413]" pageId="28" pageNumber="29" type="paratype">Paratypes</typeStatus>
: KUZ Z4123Z4126,
<specimenCount id="20A2FD7EFFF0AD5D3B9FF398EF4BCB90" box="[453,529,387,413]" pageId="28" pageNumber="29" type="adult">3 adult</specimenCount>
females,
<specimenCount id="20A2FD7EFFF0AD5D382DF398EDE1CBCC" pageId="28" pageNumber="29" type="adult">1 adult</specimenCount>
male, collected with holotype
</materialsCitation>
.
</paragraph>
<paragraph id="361B36F7FFF0AD5D3AC5F3D0EDEDC879" blockId="28.[128,640,171,1741]" pageId="28" pageNumber="29">
<materialsCitation id="86CC3CAAFFF0AD5D3AC5F3D0EDEEC879" ID-GBIF-Occurrence="4411658311" collectingDate="2021-07-25" pageId="28" pageNumber="29" specimenCount="34" specimenCount-female="27" specimenCount-male="7">
Additional materials: KUZ Z4127,
<specimenCount id="20A2FD7EFFF0AD5D3857F3D0EF26CBE8" box="[525,636,459,485]" pageId="28" pageNumber="29" type="female">11 females</specimenCount>
, KUZ Z4128,
<specimenCount id="20A2FD7EFFF0AD5D3B5FF3F4EC01C805" box="[261,347,494,521]" pageId="28" pageNumber="29" type="male">2 males</specimenCount>
, collected with type specimens; KUZ Z4129,
<specimenCount id="20A2FD7EFFF0AD5D3B3AF009EC83C821" box="[352,473,530,556]" pageId="28" pageNumber="29" type="female">16 females</specimenCount>
, KUZ Z4130,
<specimenCount id="20A2FD7EFFF0AD5D3829F009ED9EC85D" pageId="28" pageNumber="29" type="male">5 males</specimenCount>
, collected from Onoe Port on
<date id="421A1037FFF0AD5D386AF02DEDEEC879" pageId="28" pageNumber="29" value="2021-07-25">
<collectingDate id="525EE9DFFFF0AD5D386AF02DEDEEC879" pageId="28" pageNumber="29" value="2021-07-25">25 July 2021</collectingDate>
</date>
</materialsCitation>
.
</paragraph>
<paragraph id="361B36F7FFF0AD5D3AC5F065EC71C909" blockId="28.[128,640,171,1741]" pageId="28" pageNumber="29">
<emphasis id="04D0EAE5FFF0AD5D3AC5F065EC48C895" box="[159,274,638,664]" italics="true" pageId="28" pageNumber="29">Etymology</emphasis>
: The specific name is dedicated to Dr Takafumi Nakano, who greatly supported the first authors study of Japanese
<taxonomicName id="F1A44D74FFF0AD5D3ADBF0F1EC7FC909" authorityName="Boettger" authorityYear="1886" box="[129,293,746,772]" class="Gastropoda" family="Semisulcospiridae" genus="Semisulcospira" kingdom="Animalia" order="Littorinimorpha" pageId="28" pageNumber="29" phylum="Mollusca" rank="genus">
<emphasis id="04D0EAE5FFF0AD5D3ADBF0F1EC7FC909" box="[129,293,746,772]" italics="true" pageId="28" pageNumber="29">Semisulcospira</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="361B36F7FFF0AD5D3AC5F114EF15CEF7" blockId="28.[128,640,171,1741]" pageId="28" pageNumber="29">
<emphasis id="04D0EAE5FFF0AD5D3AC5F114EC51C925" box="[159,267,783,808]" italics="true" pageId="28" pageNumber="29">Diagnosis</emphasis>
: Viviparous semisulcospirid. Adult shell medium sized (SH 30.6 ± 2.7, 23.1 ± 3.0 mm; BWL 18.9 ± 1.3, 14.8 ±
<quantity id="F15C9B12FFF0AD5D3A98F161EC48C999" box="[194,274,890,916]" metricMagnitude="-3" metricUnit="m" metricValue="1.7" pageId="28" pageNumber="29" unit="mm" value="1.7">1.7 mm</quantity>
), nearly triangular (SA 21.5 ± 2.6, 21.4 ± 3.5 degrees); color in black background; outer lip of aperture moderately swell (ASL 0.20 ± 0.05, 0.24 ±
<quantity id="F15C9B12FFF0AD5D3B10F1FEECEACE0D" box="[330,432,997,1024]" metricMagnitude="-5" metricUnit="m" metricValue="6.0" pageId="28" pageNumber="29" unit="mm" value="0.06">0.06 mm</quantity>
); 2.5 ± 0.5, 2.3 ± 0.6 BCN; longitudinal ribs relatively few, prominently nodulated on penultimate whorl (RN 11.3 ± 1.3, 9.4 ± 1.2); 3.7 ± 0.6, 3.4 ± 0.5 SCN; 1.6 ± 0.1, 1.6 ± 0.1 ASR; 2.9 ± 0.2, 3.2 ± 0.6 WER. Embryonic shell small, with distinct nodes on surface; color in black background or beige background with 3 brown or black bands.
</paragraph>
<paragraph id="361B36F7FFF0AD5D3AC5F71EED9ACCC0" blockId="28.[128,640,171,1741]" pageId="28" pageNumber="29">
<emphasis id="04D0EAE5FFF0AD5D3AC5F71EECF6CF13" box="[159,428,1284,1311]" italics="true" pageId="28" pageNumber="29">
Description of
<typeStatus id="E91F8855FFF0AD5D3B15F71FECF6CF13" box="[335,428,1284,1310]" pageId="28" pageNumber="29" type="holotype">holotype</typeStatus>
</emphasis>
: Adult shell (
<figureCitation id="AE9F2A72FFF0AD5D3806F71FED94CF4F" captionStart="FIGURE 10" captionStartId="20.[130,197,497,518]" captionTargetBox="[322,994,164,478]" captionTargetId="figure-388@20.[322,994,164,478]" captionTargetPageId="20" captionText="FIGURE 10 Shells of Semisulcospira nakanoi sp. nov. AG,Holotype, KUZ Z4122.HJ, Paratype, KUZ Z4125. KL, Paratype, KUZ Z4126.MQ, Specimens from Onoe Port, KUZ Z4129, Z4130.AC, H, K, M, P, Adult shell. AC, H, M, Female.K, P,Male.D, I, L, N, Q, Operculum.EG, J, O, Embryonic shell.Scale bars: 10 mm (AD, HI, KL, MN, PQ), 1 mm (EG, J, O). All specimens were treated with 3% sodium hypochlorite" figureDoi="http://doi.org/10.5281/zenodo.8349640" httpUri="https://zenodo.org/record/8349640/files/figure.png" pageId="28" pageNumber="29">fig. 10AC</figureCitation>
): AH
<quantity id="F15C9B12FFF0AD5D3B5DF733EC05CF4E" box="[263,351,1320,1347]" metricMagnitude="-2" metricUnit="m" metricValue="1.15" pageId="28" pageNumber="29" unit="mm" value="11.5">11.5 mm</quantity>
, AL
<quantity id="F15C9B12FFF0AD5D3BD4F733ECB0CF4E" box="[398,490,1320,1347]" metricMagnitude="-2" metricUnit="m" metricValue="1.25" pageId="28" pageNumber="29" unit="mm" value="12.5">12.5 mm</quantity>
, ASR 1.48, AW
<quantity id="F15C9B12FFF0AD5D3ADBF757ED8ECF6A" box="[129,212,1356,1383]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" pageId="28" pageNumber="29" unit="mm" value="8.5">8.5 mm</quantity>
, BCN 2, BWL
<quantity id="F15C9B12FFF0AD5D3B3FF757EC9BCF6A" box="[357,449,1356,1383]" metricMagnitude="-2" metricUnit="m" metricValue="1.97" pageId="28" pageNumber="29" unit="mm" value="19.7">19.7 mm</quantity>
, FWL
<quantity id="F15C9B12FFF0AD5D3859F757EF0DCF6A" box="[515,599,1356,1383]" metricMagnitude="-3" metricUnit="m" metricValue="4.4" pageId="28" pageNumber="29" unit="mm" value="4.4">4.4 mm</quantity>
; NL
<quantity id="F15C9B12FFF0AD5D3ADBF76BED85CF86" box="[129,223,1392,1419]" metricMagnitude="-4" metricUnit="m" metricValue="1.7999999999999998" pageId="28" pageNumber="29" unit="mm" value="0.18">0.18 mm</quantity>
; PWL
<quantity id="F15C9B12FFF0AD5D3B73F76BEC26CF86" box="[297,380,1392,1419]" metricMagnitude="-3" metricUnit="m" metricValue="7.3" pageId="28" pageNumber="29" unit="mm" value="7.3">7.3 mm</quantity>
, RN 9, SA 23.1 degrees, SCN 4, SH
<quantity id="F15C9B12FFF0AD5D3AACF78FEC08CFA2" box="[246,338,1428,1455]" metricMagnitude="-2" metricUnit="m" metricValue="3.41" pageId="28" pageNumber="29" unit="mm" value="34.1">34.1 mm</quantity>
, SW
<quantity id="F15C9B12FFF0AD5D3BDDF78FECB9CFA2" box="[391,483,1428,1455]" metricMagnitude="-2" metricUnit="m" metricValue="1.5699999999999998" pageId="28" pageNumber="29" unit="mm" value="15.7">15.7 mm</quantity>
, TWL
<quantity id="F15C9B12FFF0AD5D387DF78FEF21CFA2" box="[551,635,1428,1455]" metricMagnitude="-3" metricUnit="m" metricValue="5.9" pageId="28" pageNumber="29" unit="mm" value="5.9">5.9 mm</quantity>
, WER 2.61;
<collectionCode id="50B5AE32FFF0AD5D3AA1F7A2EC7BCFDE" box="[251,289,1465,1491]" pageId="28" pageNumber="29">WN</collectionCode>
4.75; shell nearly thick triangular; suture hardly undulating; whorl sides slightly convex; outer lip of aperture moderately swell; longitudinal ribs slightly curved, oblique, prominently nodulated in upper to body whorl; apex of shell eroded; shell colored black background without color band.
</paragraph>
<paragraph id="361B36F7FFF0AD5D3898F2B0EE7BCB3C" blockId="28.[676,1187,171,1742]" pageId="28" pageNumber="29">
Operculum (
<figureCitation id="AE9F2A72FFF0AD5D3915F2B0EEFFCAC8" box="[847,933,171,197]" captionStart="FIGURE 10" captionStartId="20.[130,197,497,518]" captionTargetBox="[322,994,164,478]" captionTargetId="figure-388@20.[322,994,164,478]" captionTargetPageId="20" captionText="FIGURE 10 Shells of Semisulcospira nakanoi sp. nov. AG,Holotype, KUZ Z4122.HJ, Paratype, KUZ Z4125. KL, Paratype, KUZ Z4126.MQ, Specimens from Onoe Port, KUZ Z4129, Z4130.AC, H, K, M, P, Adult shell. AC, H, M, Female.K, P,Male.D, I, L, N, Q, Operculum.EG, J, O, Embryonic shell.Scale bars: 10 mm (AD, HI, KL, MN, PQ), 1 mm (EG, J, O). All specimens were treated with 3% sodium hypochlorite" figureDoi="http://doi.org/10.5281/zenodo.8349640" httpUri="https://zenodo.org/record/8349640/files/figure.png" pageId="28" pageNumber="29">fig. 10D</figureCitation>
):
<quantity id="F15C9B12FFF0AD5D39ECF2B0E953CACB" box="[950,1033,171,198]" metricMagnitude="-3" metricUnit="m" metricValue="8.9" pageId="28" pageNumber="29" unit="mm" value="8.9">8.9 mm</quantity>
in long diameter; nearly egg-shaped subcircular, paucispiral, comprising around 3 whorls. Nucleus subcentral.
</paragraph>
<paragraph id="361B36F7FFF0AD5D3898F320E93DC85D" blockId="28.[676,1187,171,1742]" pageId="28" pageNumber="29">
Embryonic shells (
<figureCitation id="AE9F2A72FFF0AD5D39CFF320E954CB58" box="[917,1038,315,341]" captionStart="FIGURE 10" captionStartId="20.[130,197,497,518]" captionTargetBox="[322,994,164,478]" captionTargetId="figure-388@20.[322,994,164,478]" captionTargetPageId="20" captionText="FIGURE 10 Shells of Semisulcospira nakanoi sp. nov. AG,Holotype, KUZ Z4122.HJ, Paratype, KUZ Z4125. KL, Paratype, KUZ Z4126.MQ, Specimens from Onoe Port, KUZ Z4129, Z4130.AC, H, K, M, P, Adult shell. AC, H, M, Female.K, P,Male.D, I, L, N, Q, Operculum.EG, J, O, Embryonic shell.Scale bars: 10 mm (AD, HI, KL, MN, PQ), 1 mm (EG, J, O). All specimens were treated with 3% sodium hypochlorite" figureDoi="http://doi.org/10.5281/zenodo.8349640" httpUri="https://zenodo.org/record/8349640/files/figure.png" pageId="28" pageNumber="29">fig. 10EG</figureCitation>
): EN 62, RNE 12, SHE
<quantity id="F15C9B12FFF0AD5D395BF344EE0ECB74" box="[769,852,351,377]" metricMagnitude="-3" metricUnit="m" metricValue="2.3" pageId="28" pageNumber="29" unit="mm" value="2.3">2.3 mm</quantity>
, SWE
<quantity id="F15C9B12FFF0AD5D39C4F344EEABCB74" box="[926,1009,351,377]" metricMagnitude="-3" metricUnit="m" metricValue="2.2" pageId="28" pageNumber="29" unit="mm" value="2.2">2.2 mm</quantity>
, WNE 2.5; shell globose; suture prominently undulating; remarkable nodes on central part of whorls and weak keels on lower part of whorls; shell colored beige background with 3 brown or black bands on upper and/or lower part of each whorl and/or on basal part of shell.
</paragraph>
<paragraph id="361B36F7FFF0AD5D3898F041EE55CE82" blockId="28.[676,1187,171,1742]" pageId="28" pageNumber="29">Radula: Taenioglossa consisting of rachidian in single, lateral teeth, interior and exterior marginal teeth in double row. Rachidian roughly triangular with large central denticle and 3 minor pointed triangular cusps on each side. Lateral teeth with large central denticle, 34 inner and outer pointed cusps. Central denticle tip of rachidian and lateral teeth mostly flat; central denticle of rachidian approximately regular triangular, about 2.5 times longer than other triangular cusps; central denticle of lateral teeth irregular triangular, about 1.5 times longer than other triangular cusps. Interior and exterior marginal teeth spoon-shaped with 56 rounded denticles.</paragraph>
<paragraph id="361B36F7FFF0AD5D3898F682EEBBCC17" blockId="28.[676,1187,171,1742]" pageId="28" pageNumber="29">Reproductive organ: Female: Long narrow oviduct, entering near seminal receptacle with long protrusions. Ventral edge of spermatophore bursa with curved sperm gutter, extending toward mantle cavity. Brood pouch on dorsal side of spermatophore bursa, inflated dorsally, separated into many cells, including eggs and embryos; eggs and embryos radially developing from base of brood pouch near seminal receptacle and embryos in anterior or dorsal cells more developed.</paragraph>
<paragraph id="361B36F7FFF0AD5C3898F43FEC39CB77" blockId="28.[676,1187,171,1742]" lastBlockId="29.[98,610,171,1742]" lastPageId="29" lastPageNumber="30" pageId="28" pageNumber="29">
<emphasis id="04D0EAE5FFF0AD5D3898F43FEE72CC30" box="[706,808,1572,1597]" italics="true" pageId="28" pageNumber="29">Variation</emphasis>
: Adult shells (
<figureCitation id="AE9F2A72FFF0AD5D39A6F438E9CCCC33" box="[1020,1174,1571,1598]" captionStart="FIGURE 10" captionStartId="20.[130,197,497,518]" captionTargetBox="[322,994,164,478]" captionTargetId="figure-388@20.[322,994,164,478]" captionTargetPageId="20" captionText="FIGURE 10 Shells of Semisulcospira nakanoi sp. nov. AG,Holotype, KUZ Z4122.HJ, Paratype, KUZ Z4125. KL, Paratype, KUZ Z4126.MQ, Specimens from Onoe Port, KUZ Z4129, Z4130.AC, H, K, M, P, Adult shell. AC, H, M, Female.K, P,Male.D, I, L, N, Q, Operculum.EG, J, O, Embryonic shell.Scale bars: 10 mm (AD, HI, KL, MN, PQ), 1 mm (EG, J, O). All specimens were treated with 3% sodium hypochlorite" figureDoi="http://doi.org/10.5281/zenodo.8349640" httpUri="https://zenodo.org/record/8349640/files/figure.png" pageId="28" pageNumber="29">fig. 10M, P</figureCitation>
): Measurements and counts shown in
<tableCitation id="7B26034CFFF0AD5D3E0EF45CE9F9CC6F" box="[1108,1187,1607,1634]" captionStart="TABLE 2" captionStartId="10.[129,189,166,187]" captionTargetBox="[129,1171,243,1709]" captionText="TABLE 2 Morphometric characters of five Semisulcospira species examined in the present study.Measurements and counts: minimummaximum value (mean ± SD)" httpUri="http://table.plazi.org/id/62DB667FFFE6AD4B3ADBF2BDEF87CAD5" pageId="28" pageNumber="29" tableUuid="62DB667FFFE6AD4B3ADBF2BDEF87CAD5">table 2</tableCitation>
and supplementary
<tableCitation id="7B26034CFFF0AD5D39DBF470EE81CC8B" box="[897,987,1643,1670]" captionStart="TABLE 2" captionStartId="10.[129,189,166,187]" captionTargetBox="[129,1171,243,1709]" captionText="TABLE 2 Morphometric characters of five Semisulcospira species examined in the present study.Measurements and counts: minimummaximum value (mean ± SD)" httpUri="http://table.plazi.org/id/62DB667FFFE6AD4B3ADBF2BDEF87CAD5" pageId="28" pageNumber="29" tableUuid="62DB667FFFE6AD4B3ADBF2BDEF87CAD5">table S2</tableCitation>
. Shell nearly thick to elongated triangular; surface sculptures almost straight to slightly curved, oblique, rarely ribbed on upper whorls; shell colored black to brackish olive background with or without several color bands on upper and lower part of each whorl and basal part of shell; surface of shells covered with thin algae layer before treatment.
</paragraph>
<paragraph id="361B36F7FFF1AD5C3ADBF398EC59CBCC" blockId="29.[98,610,171,1742]" pageId="29" pageNumber="30">
Operculums (
<figureCitation id="AE9F2A72FFF1AD5C3B42F398ECEDCB90" box="[280,439,387,413]" captionStart="FIGURE 10" captionStartId="20.[130,197,497,518]" captionTargetBox="[322,994,164,478]" captionTargetId="figure-388@20.[322,994,164,478]" captionTargetPageId="20" captionText="FIGURE 10 Shells of Semisulcospira nakanoi sp. nov. AG,Holotype, KUZ Z4122.HJ, Paratype, KUZ Z4125. KL, Paratype, KUZ Z4126.MQ, Specimens from Onoe Port, KUZ Z4129, Z4130.AC, H, K, M, P, Adult shell. AC, H, M, Female.K, P,Male.D, I, L, N, Q, Operculum.EG, J, O, Embryonic shell.Scale bars: 10 mm (AD, HI, KL, MN, PQ), 1 mm (EG, J, O). All specimens were treated with 3% sodium hypochlorite" figureDoi="http://doi.org/10.5281/zenodo.8349640" httpUri="https://zenodo.org/record/8349640/files/figure.png" pageId="29" pageNumber="30">fig. 10I, L, N, Q</figureCitation>
):
<quantity id="F15C9B12FFF1AD5C3B93F398EF1FCB90" box="[457,581,387,413]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" metricValueMax="8.9" metricValueMin="7.1" pageId="29" pageNumber="30" unit="mm" value="8.0" valueMax="8.9" valueMin="7.1">7.18.9 mm</quantity>
in long diameter.
</paragraph>
<paragraph id="361B36F7FFF1AD5C3ADBF3D0EF38C8B1" blockId="29.[98,610,171,1742]" pageId="29" pageNumber="30">
Embryonic shells (
<figureCitation id="AE9F2A72FFF1AD5C3B12F3D0ECF7CBE8" box="[328,429,459,485]" captionStart="FIGURE 10" captionStartId="20.[130,197,497,518]" captionTargetBox="[322,994,164,478]" captionTargetId="figure-388@20.[322,994,164,478]" captionTargetPageId="20" captionText="FIGURE 10 Shells of Semisulcospira nakanoi sp. nov. AG,Holotype, KUZ Z4122.HJ, Paratype, KUZ Z4125. KL, Paratype, KUZ Z4126.MQ, Specimens from Onoe Port, KUZ Z4129, Z4130.AC, H, K, M, P, Adult shell. AC, H, M, Female.K, P,Male.D, I, L, N, Q, Operculum.EG, J, O, Embryonic shell.Scale bars: 10 mm (AD, HI, KL, MN, PQ), 1 mm (EG, J, O). All specimens were treated with 3% sodium hypochlorite" figureDoi="http://doi.org/10.5281/zenodo.8349640" httpUri="https://zenodo.org/record/8349640/files/figure.png" pageId="29" pageNumber="30">fig. 10J, Q</figureCitation>
): Measurements and counts shown in
<tableCitation id="7B26034CFFF1AD5C3B0DF3F4ECFEC804" box="[343,420,495,521]" captionStart="TABLE 2" captionStartId="10.[129,189,166,187]" captionTargetBox="[129,1171,243,1709]" captionText="TABLE 2 Morphometric characters of five Semisulcospira species examined in the present study.Measurements and counts: minimummaximum value (mean ± SD)" httpUri="http://table.plazi.org/id/62DB667FFFE6AD4B3ADBF2BDEF87CAD5" pageId="29" pageNumber="30" tableUuid="62DB667FFFE6AD4B3ADBF2BDEF87CAD5">table 2</tableCitation>
and supplementary
<tableCitation id="7B26034CFFF1AD5C3AC2F009EDAFC820" box="[152,245,530,557]" captionStart="TABLE 2" captionStartId="10.[129,189,166,187]" captionTargetBox="[129,1171,243,1709]" captionText="TABLE 2 Morphometric characters of five Semisulcospira species examined in the present study.Measurements and counts: minimummaximum value (mean ± SD)" httpUri="http://table.plazi.org/id/62DB667FFFE6AD4B3ADBF2BDEF87CAD5" pageId="29" pageNumber="30" tableUuid="62DB667FFFE6AD4B3ADBF2BDEF87CAD5">table S2</tableCitation>
. Shell with or without keels on lower part of whorls; shell colored blackish brown background or beige background with 3 brown or black bands on upper and/or lower part of each whorl and/or on basal part of shell.
</paragraph>
<paragraph id="361B36F7FFF1AD5C3ADBF0DDEC57C9F2" blockId="29.[98,610,171,1742]" pageId="29" pageNumber="30">
Radulae (
<figureCitation id="AE9F2A72FFF1AD5C3AB7F0DDEC36C8EC" box="[237,364,710,737]" captionStart="FIGURE 12" captionStartId="21.[98,165,1257,1278]" captionTargetBox="[291,963,724,1238]" captionTargetId="figure-189@21.[291,963,724,1238]" captionTargetPageId="21" captionText="FIGURE 12 Radulae of Semisulcospira species.AG, Semisulcospira niponica: A, Oura Port, KUZ Z4091; B, Nagahama Port, KUZ Z4093; C, Iso, KUZ Z4095; D, Kitakomatsu Port, KUZ Z4097; E, Katata Port, KUZ Z4099; F, Otsu Port, KUZ Z4101; G, Nango, KUZ Z4103.HJ, Semisulcospira fuscata: H, Lake Yogo, KUZ Z4103; I, Oura, KUZ Z4105; J, Nihonmatsu, KUZ Z4107.KL, Semisulcospira watanabei sp. nov.:K, Kitakomatsu Port, KUZ Z4115;L, Horikiri Port, KUZ Z4120.MN, Semisulcospira nakanoi sp. nov.: M, Onoe Port, KUZ Z4129;N, Chikubu-shima Island, KUZ Z4127.OP, Semisulcospira salebrosa sp. nov.:O, Take-shima Island, KUZ Z4138;P, Shiraishi-jima Island, KUZ Z4136.Scale bars:100 Μm" figureDoi="http://doi.org/10.5281/zenodo.8349644" httpUri="https://zenodo.org/record/8349644/files/figure.png" pageId="29" pageNumber="30">fig. 12M, N</figureCitation>
): Rachidian with 24 minor pointed triangular cusps on each side; lateral teeth with 24 inner and outer pointed cusps; central denticle of rachidian about 1.5 to 4 times longer than other triangular cusps; central denticle of lateral teeth about 1.5 to 4.0 times longer than other triangular cusps; 46 rounded denticles in interior and exterior marginal teeth.
</paragraph>
<paragraph id="361B36F7FFF1AD5C3ADBF612EC9BCEDA" blockId="29.[98,610,171,1742]" pageId="29" pageNumber="30">Reproductive organs: Male: Gonad consisting of testes, vas deferens, and prostate without penis. Posterior ventral part of inflated prostate with deep groove, forming U-shape in transverse section. Anterior prostate narrowly opening to mantle cavity.</paragraph>
<paragraph id="361B36F7FFF1AD5C3ADBF6FBEC9ACFFB" blockId="29.[98,610,171,1742]" pageId="29" pageNumber="30">
<emphasis id="04D0EAE5FFF1AD5C3ADBF6FBECC8CEF7" box="[129,402,1248,1274]" italics="true" pageId="29" pageNumber="30">Distribution and ecology</emphasis>
: The new species has been found only in Chikubu-shima Island and the coastal Onoe Port in Lake Biwa (
<figureCitation id="AE9F2A72FFF1AD5C3864F733ED36CF6B" captionStart="FIGURE 1" captionStartId="2.[130,197,1691,1712]" captionTargetBox="[243,1074,1002,1672]" captionTargetId="figure-303@2.[242,1074,1002,1672]" captionTargetPageId="2" captionText="FIGURE 1 Map of Lake Biwa (A) and Oura Bay (B) showing 15 sampling localities:blue, Semisulcospira niponica; green, S.fuscata; purple, S.watanabei sp.nov.; red, S.nakanoi sp.nov.; orange, S.salebrosa sp.nov; black, putative hybrid between S.fuscata and S.watanabei sp.nov." figureDoi="http://doi.org/10.5281/zenodo.8349616" httpUri="https://zenodo.org/record/8349616/files/figure.png" pageId="29" pageNumber="30">fig. 1</figureCitation>
).
<taxonomicName id="F1A44D74FFF1AD5C3A25F757ECDBCF6B" authority="Sawada &amp; Fuke, 2023" authorityName="Sawada &amp; Fuke" authorityYear="2023" box="[127,385,1356,1382]" class="Gastropoda" family="Semisulcospiridae" genus="Semisulcospira" kingdom="Animalia" order="Littorinimorpha" pageId="29" pageNumber="30" phylum="Mollusca" rank="species" species="nakanoi" status="sp. nov.">
<emphasis id="04D0EAE5FFF1AD5C3A25F757ECDBCF6B" box="[127,385,1356,1382]" italics="true" pageId="29" pageNumber="30">Semisulcospira nakanoi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1FE3579EFFF1AD5C3BDCF756EC82CF6A" box="[390,472,1357,1383]" pageId="29" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
inhabits the wharf and rocky bottom of Chikubu-shima Island and concrete blocks around Onoe Port. This species was found with
<taxonomicName id="F1A44D74FFF1AD5C3BE2F7A3EF55CFDF" authorityName="Watanabe" authorityYear="1984" box="[440,527,1464,1490]" class="Gastropoda" family="Semisulcospiridae" genus="Semisulcospira" kingdom="Animalia" order="Littorinimorpha" pageId="29" pageNumber="30" phylum="Mollusca" rank="species" species="morii">
<emphasis id="04D0EAE5FFF1AD5C3BE2F7A3EF55CFDF" box="[440,527,1464,1490]" italics="true" pageId="29" pageNumber="30">S. morii</emphasis>
</taxonomicName>
and
<taxonomicName id="F1A44D74FFF1AD5C3815F7A3EDC4CFFB" authorityName="G. M. Davis" authorityYear="1969" class="Gastropoda" family="Semisulcospiridae" genus="Semisulcospira" kingdom="Animalia" order="Littorinimorpha" pageId="29" pageNumber="30" phylum="Mollusca" rank="species" species="habei">
<emphasis id="04D0EAE5FFF1AD5C3815F7A3EDC4CFFB" italics="true" pageId="29" pageNumber="30">S. habei</emphasis>
</taxonomicName>
at Chikubu-shima Island.
</paragraph>
<paragraph id="361B36F7FFF1AD5C3ADBF41BEF3BCCA4" blockId="29.[98,610,171,1742]" pageId="29" pageNumber="30">
<emphasis id="04D0EAE5FFF1AD5C3ADBF41BEDBACC17" box="[129,224,1536,1562]" italics="true" pageId="29" pageNumber="30">Remarks</emphasis>
: The new species has been identified as
<taxonomicName id="F1A44D74FFF1AD5C3A91F43FEC72CC33" box="[203,296,1572,1598]" class="Gastropoda" family="Cochliopidae" genus="Melania" kingdom="Animalia" order="Littorinimorpha" pageId="29" pageNumber="30" phylum="Mollusca" rank="species" species="biwae">
<emphasis id="04D0EAE5FFF1AD5C3A91F43FEC72CC33" box="[203,296,1572,1598]" italics="true" pageId="29" pageNumber="30">S. biwae</emphasis>
</taxonomicName>
together with
<taxonomicName id="F1A44D74FFF1AD5C3B86F43FEF38CC33" authority="Sawada &amp; Fuke, 2023" authorityName="Sawada &amp; Fuke" authorityYear="2023" box="[476,610,1572,1598]" class="Gastropoda" family="Semisulcospiridae" genus="Semisulcospira" kingdom="Animalia" order="Littorinimorpha" pageId="29" pageNumber="30" phylum="Mollusca" rank="species" species="salebrosa" status="sp. nov.">
<emphasis id="04D0EAE5FFF1AD5C3B86F43FEF38CC33" box="[476,610,1572,1598]" italics="true" pageId="29" pageNumber="30">S. salebrosa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1FE3579EFFF1AD5C3A38F453EDE7CC6F" box="[98,189,1608,1634]" pageId="29" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
and has been treated as a junior synonym of
<taxonomicName id="F1A44D74FFF1AD5C3AA9F477EC34CC88" baseAuthorityName="E. A. Smith" baseAuthorityYear="1876" box="[243,366,1644,1670]" class="Gastropoda" family="Semisulcospiridae" genus="Biwamelania" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" pageId="29" pageNumber="30" phylum="Mollusca" rank="species" species="niponica">
<emphasis id="04D0EAE5FFF1AD5C3AA9F477EC34CC88" box="[243,366,1644,1670]" italics="true" pageId="29" pageNumber="30">S. niponica</emphasis>
</taxonomicName>
since
<bibRefCitation id="52354B06FFF1AD5C3BE6F470EF05CC8B" author="Kuroda, T." box="[444,607,1643,1670]" pageId="29" pageNumber="30" pagination="179 - 193" refId="ref21864" refString="Kuroda, T. (1929) On Japanese Melanians. Venus, 1, 179 - 193." type="journal article" year="1929">Kuroda (1929)</bibRefCitation>
.
<taxonomicName id="F1A44D74FFF1AD5C3A38F494EC2ACCA4" authority="Sawada &amp; Fuke, 2023" authorityName="Sawada &amp; Fuke" authorityYear="2023" box="[98,368,1679,1705]" class="Gastropoda" family="Semisulcospiridae" genus="Semisulcospira" kingdom="Animalia" order="Littorinimorpha" pageId="29" pageNumber="30" phylum="Mollusca" rank="species" species="nakanoi" status="sp. nov.">
<emphasis id="04D0EAE5FFF1AD5C3A38F494EC2ACCA4" box="[98,368,1679,1705]" italics="true" pageId="29" pageNumber="30">Semisulcospira nakanoi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1FE3579EFFF1AD5C3BDBF48BECBACCA7" box="[385,480,1680,1706]" pageId="29" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
resembles
</paragraph>
<paragraph id="361B36F7FFF1AD5C3A38F4AFEED1C821" blockId="29.[98,610,171,1742]" lastBlockId="29.[645,1157,171,556]" pageId="29" pageNumber="30">
<taxonomicName id="F1A44D74FFF1AD5C3A38F4AFEDB4CCC0" authority="Sawada &amp; Fuke, 2023" authorityName="Sawada &amp; Fuke" authorityYear="2023" box="[98,238,1715,1742]" class="Gastropoda" family="Semisulcospiridae" genus="Semisulcospira" kingdom="Animalia" order="Littorinimorpha" pageId="29" pageNumber="30" phylum="Mollusca" rank="species" species="salebrosa" status="sp. nov.">
<emphasis id="04D0EAE5FFF1AD5C3A38F4AFEDB4CCC0" box="[98,238,1715,1742]" italics="true" pageId="29" pageNumber="30">S. salebrosa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1FE3579EFFF1AD5C3B5AF4AFEC05CCC3" box="[256,351,1716,1742]" pageId="29" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
with well-developed nodes on the shell surface. However, the former species is distinguishable from the latter by the smaller adult and embryonic shell size and less undulating outer lip of the aperture. The new species can be discriminated from other congeners by its large, blackish, triangular adult shell, prominent granulated ribs, the moderately undulating outer lip of the aperture, and globose embryonic shells with several brown bands (supplementary
<figureCitation id="AE9F2A72FFF1AD5C3964F009EE25C821" box="[830,895,530,556]" captionStart="FIGURE 1" captionStartId="2.[130,197,1691,1712]" captionTargetBox="[243,1074,1002,1672]" captionTargetId="figure-303@2.[242,1074,1002,1672]" captionTargetPageId="2" captionText="FIGURE 1 Map of Lake Biwa (A) and Oura Bay (B) showing 15 sampling localities:blue, Semisulcospira niponica; green, S.fuscata; purple, S.watanabei sp.nov.; red, S.nakanoi sp.nov.; orange, S.salebrosa sp.nov; black, putative hybrid between S.fuscata and S.watanabei sp.nov." figureDoi="http://doi.org/10.5281/zenodo.8349616" httpUri="https://zenodo.org/record/8349616/files/figure.png" pageId="29" pageNumber="30">fig. S1</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>