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<document id="7914A8B108E87A8094825993B491DE4E" ID-CLB-Dataset="27591" ID-DOI="10.11646/zootaxa.4551.4.2" ID-GBIF-Dataset="7d3e1d74-95bf-4a81-95f8-3b12d44cc2c0" ID-ISSN="1175-5326" ID-Zenodo-Dep="2623029" ID-ZooBank="03FFCA27-5928-48D2-9E30-672A878C59A3" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1554270405156" checkinUser="plazi" docAuthor="Chira Siadén, Luis E., Wakeman, Kevin C., Webb, Stephen C., Hasegawa, Kazunori &amp; Kajihara, Hiroshi" docDate="2019" docId="03AB87DAB67C9B57FF15F952FC36FEDC" docLanguage="en" docName="zootaxa.4551.4.2.pdf" docOrigin="Zootaxa 4551 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Rissoella golikovi" docType="treatment" docVersion="9" lastPageNumber="420" masterDocId="FF92FFA2B6789B51FF82FF94FFDEFFC0" masterDocTitle="Morphological and molecular diversity of rissoellids (Mollusca, Gastropoda, Heterobranchia) from the Northwest Pacific island of Hokkaido, Japan" masterLastPageNumber="431" masterPageNumber="415" pageNumber="419" updateTime="1698716155627" updateUser="ExternalLinkService">
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<mods:title id="FAE6941CF127C1CCA6C95028FEDB57C2">Morphological and molecular diversity of rissoellids (Mollusca, Gastropoda, Heterobranchia) from the Northwest Pacific island of Hokkaido, Japan</mods:title>
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<mods:namePart id="158D8BAC59513358753D4A6F5896786F">Chira Siadén, Luis E.</mods:namePart>
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<mods:namePart id="77B826F3FC73A9E77DF4EB808CF24BD1">Wakeman, Kevin C.</mods:namePart>
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<mods:namePart id="F8AB74E67A036C23811A7C88B9353D40">Webb, Stephen C.</mods:namePart>
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<mods:namePart id="85E7E94474975DCA5F360E465D1CEA41">Hasegawa, Kazunori</mods:namePart>
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<mods:namePart id="2DD5A2F395A4B1E0E4768394A02E85DB">Kajihara, Hiroshi</mods:namePart>
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<mods:title id="C76E8B65F6339DE700F904E44C1E4CE6">Zootaxa</mods:title>
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<mods:date id="4F1D5879DDC158ACE1916CE527883F2F">2019</mods:date>
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<treatment id="03AB87DAB67C9B57FF15F952FC36FEDC" ID-DOI="http://doi.org/10.5281/zenodo.5933128" ID-GBIF-Taxon="154534025" ID-Zenodo-Dep="5933128" LSID="urn:lsid:plazi:treatment:03AB87DAB67C9B57FF15F952FC36FEDC" httpUri="http://treatment.plazi.org/id/03AB87DAB67C9B57FF15F952FC36FEDC" lastPageId="6" lastPageNumber="420" pageId="4" pageNumber="419">
<subSubSection id="C3186547B67C9B55FF15F952FDF9F921" box="[151,551,1734,1761]" pageId="4" pageNumber="419" type="nomenclature">
<paragraph id="8BBD36CCB67C9B55FF15F952FDF9F921" blockId="4.[151,551,1734,1795]" box="[151,551,1734,1761]" pageId="4" pageNumber="419">
<heading id="D0F581A0B67C9B55FF15F952FDF9F921" bold="true" box="[151,551,1734,1761]" fontSize="11" level="1" pageId="4" pageNumber="419" reason="1">
<taxonomicName id="4C024D4FB67C9B55FF15F952FDF9F921" authority="(Gulbin, 1979)" baseAuthorityName="Gulbin" baseAuthorityYear="1979" box="[151,551,1734,1761]" class="Florideophyceae" family="Rissoellaceae" genus="Rissoella" higherTaxonomySource="GBIF" kingdom="Plantae" order="Gigartinales" pageId="4" pageNumber="419" phylum="Rhodophyta" rank="species" species="golikovi">
<emphasis id="B976EADEB67C9B55FF15F952FDF9F921" bold="true" box="[151,551,1734,1761]" pageId="4" pageNumber="419">
<emphasis id="B976EADEB67C9B55FF15F952FEB5F920" bold="true" box="[151,363,1734,1760]" italics="true" pageId="4" pageNumber="419">Rissoella golikovi</emphasis>
(
<bibRefCitation id="EF934B3DB67C9B55FEF9F953FDC1F921" author="Gulbin, V. V." box="[379,543,1735,1761]" pageId="4" pageNumber="419" pagination="88 - 89" refId="ref6574" refString="Gulbin, V. V. (1979) A new species of the littoral gastropod Rissoellidae from the Far-eastern seas. Academy of Sciences of the USSR, Vladivostok. Far East Science Center. Marine Biology, 3, 88 - 89. [in Russian]" type="journal article" year="1979">Gulbin, 1979</bibRefCitation>
)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3186547B67C9B55FF15F97EFEB0F8C3" box="[151,366,1770,1795]" pageId="4" pageNumber="419" type="description">
<paragraph id="8BBD36CCB67C9B55FF15F97EFEB0F8C3" blockId="4.[151,551,1734,1795]" box="[151,366,1770,1795]" pageId="4" pageNumber="419">
(
<figureCitation id="13392A49B67C9B55FF1DF97EFF3DF8C2" box="[159,227,1770,1795]" captionStart="FIGURE 3" captionStartId="5.[151,250,1254,1276]" captionTargetBox="[179,1406,202,1239]" captionTargetId="figure@5.[173,1414,193,1248]" captionTargetPageId="5" captionText="FIGURE 3. Living specimens. (A–D) Rissoella elatior. (E–F) Rissoella golikovi. (G–I) Rissoella japonica n. sp. (J–K) Rissoella sp. 1." httpUri="https://zenodo.org/record/2623037/files/figure.png" pageId="4" pageNumber="419">Figs 3</figureCitation>
E–F, 5A–G)
</paragraph>
</subSubSection>
<subSubSection id="C3186547B67C9B55FF15F8A6FA49F8A6" pageId="4" pageNumber="419" type="reference_group">
<paragraph id="8BBD36CCB67C9B55FF15F8A6FA49F8A6" blockId="4.[151,1436,1842,1894]" pageId="4" pageNumber="419">
<treatmentCitationGroup id="AB1211E2B67C9B55FF15F8A6FA49F8A6" pageId="4" pageNumber="419">
<emphasis id="B976EADEB67C9B55FF15F8A6FEDBF888" box="[151,261,1842,1864]" italics="true" pageId="4" pageNumber="419">Jeffreysina</emphasis>
<taxonomicName id="4C024D4FB67C9B55FE8EF8A6FDCAF888" authority="Gulbin, 1979: 89" authorityName="Gulbin" authorityPageNumber="89" authorityYear="1979" box="[268,532,1842,1864]" class="Florideophyceae" family="Rissoellaceae" genus="Rissoella" higherTaxonomySource="GBIF" kingdom="Plantae" order="Gigartinales" pageId="4" pageNumber="419" phylum="Rhodophyta" rank="species" species="golikovi">
<emphasis id="B976EADEB67C9B55FE8EF8A6FE80F888" box="[268,350,1842,1864]" italics="true" pageId="4" pageNumber="419">golikovi</emphasis>
<treatmentCitation id="0AA310DDB67C9B55FEE6F8A6FDCAF888" author="Gulbin, V. V." box="[356,532,1842,1864]" page="89" pageId="4" pageNumber="419" year="1979">
<bibRefCitation id="EF934B3DB67C9B55FEE6F8A6FE30F888" author="Gulbin, V. V." box="[356,494,1842,1864]" pageId="4" pageNumber="419" pagination="88 - 89" refId="ref6574" refString="Gulbin, V. V. (1979) A new species of the littoral gastropod Rissoellidae from the Far-eastern seas. Academy of Sciences of the USSR, Vladivostok. Far East Science Center. Marine Biology, 3, 88 - 89. [in Russian]" type="journal article" year="1979">Gulbin, 1979</bibRefCitation>
: 89
</treatmentCitation>
</taxonomicName>
, figs. 1–2 (
<typeStatus id="54B9886EB67C9B55FD05F8A6FD3FF888" box="[647,737,1842,1864]" pageId="4" pageNumber="419" type="holotype">holotype</typeStatus>
ZIN 41388/1; Vanino Bay, Sea of
<collectingCountry id="F315765CB67C9B55FBC7F8A7FB5FF888" box="[1093,1153,1843,1864]" name="Japan" pageId="4" pageNumber="419">Japan</collectingCountry>
,
<collectingCountry id="F315765CB67C9B55FB0EF8A6FB0AF888" box="[1164,1236,1842,1864]" name="Russia" pageId="4" pageNumber="419">Russia</collectingCountry>
);
<treatmentCitation id="0AA310DDB67C9B55FB64F8A7FEEEF8A6" author="Kantor, Y. I. &amp; Sysoev, A. V." page="248" pageId="4" pageNumber="419" year="2006">
<bibRefCitation id="EF934B3DB67C9B55FB64F8A7FF20F8A6" author="Kantor, Y. I. &amp; Sysoev, A. V." pageId="4" pageNumber="419" refId="ref6910" refString="Kantor, Y. I. &amp; Sysoev, A. V. (2006) Marine and Brackish Water Gastropoda of Russia and Adjacent Countries: An Illustrated Catalogue. KMK Scientific Pres Ltd., Moscow, 371 pp., 140 pls." type="book" year="2006">Kantor &amp; Sysoev, 2006</bibRefCitation>
: 248
</treatmentCitation>
, pl. 123, fig. E (
<typeStatus id="54B9886EB67C9B55FE50F8C4FDF1F8A6" box="[466,559,1872,1894]" pageId="4" pageNumber="419" type="paratype">paratype</typeStatus>
);
<treatmentCitation id="0AA310DDB67C9B55FDC2F8C5FCC3F8A6" author="Hasegawa, K." box="[576,797,1872,1894]" page="398" pageId="4" pageNumber="419" year="2017">
<bibRefCitation id="EF934B3DB67C9B55FDC2F8C5FD32F8A6" author="Hasegawa, K." box="[576,748,1872,1894]" pageId="4" pageNumber="419" pagination="1063" refId="ref6660" refString="Hasegawa, K. (2017) Rissoellidae. In: Okutani, T. (Ed.), Marine Mollusks in Japan. 2 nd Edition. Tokai University Press, Tokyo, pp. 398 + 1063." type="journal article" year="2017">Hasegawa, 2017</bibRefCitation>
: 398
</treatmentCitation>
, 1063, pl. 355, fig. 7. Type material not available for analyses.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C3186547B67C9B55FF15F807FC3CF834" pageId="4" pageNumber="419" type="materials_examined">
<paragraph id="8BBD36CCB67C9B55FF15F807FC3CF834" blockId="4.[151,1436,1939,2036]" pageId="4" pageNumber="419">
<emphasis id="B976EADEB67C9B55FF15F807FE54F86C" bold="true" box="[151,394,1939,1964]" pageId="4" pageNumber="419">Material examined.</emphasis>
Fourteen mature specimens (ICHUM RT3001, RT3002, RT3003, RO3001, RO3002, RO3003, RK3001, RM3001, RM3002, RM3003, ROM3001, RA3001, RA3002, RA3003). For information on specimens collection locality and GenBank accession numbers see
<tableCitation id="C6800377B67C9B55FC0AF84FFC05F834" box="[904,987,2011,2036]" captionStart="TABLE 1" captionStartId="9.[151,239,152,175]" captionText="TABLE 1. Specimens analyzed in this study." pageId="4" pageNumber="419">Table 1</tableCitation>
.
</paragraph>
</subSubSection>
<caption id="DF7D6644B67D9B54FF15FB72FEEEFADB" httpUri="https://zenodo.org/record/2623037/files/figure.png" pageId="5" pageNumber="420" startId="5.[151,250,1254,1276]" targetBox="[179,1406,202,1239]" targetPageId="5">
<paragraph id="8BBD36CCB67D9B54FF15FB72FEEEFADB" blockId="5.[151,1436,1254,1307]" pageId="5" pageNumber="420">
<emphasis id="B976EADEB67D9B54FF15FB72FEC6FB3B" bold="true" box="[151,280,1254,1276]" pageId="5" pageNumber="420">FIGURE 3.</emphasis>
Living specimens. (A–D)
<taxonomicName id="4C024D4FB67D9B54FDB9FB72FD3BFB3C" authorityName="Golikov, Gulbin &amp; Sirenko" authorityYear="1987" box="[571,741,1254,1276]" class="Florideophyceae" family="Rissoellaceae" genus="Rissoella" higherTaxonomySource="GBIF" kingdom="Plantae" order="Gigartinales" pageId="5" pageNumber="420" phylum="Rhodophyta" rank="species" species="elatior">
<emphasis id="B976EADEB67D9B54FDB9FB72FD3BFB3C" box="[571,741,1254,1276]" italics="true" pageId="5" pageNumber="420">Rissoella elatior</emphasis>
</taxonomicName>
. (E–F)
<taxonomicName id="4C024D4FB67D9B54FCBFFB72FC29FB3C" authorityName="Gulbin" authorityYear="1979" box="[829,1015,1254,1276]" class="Florideophyceae" family="Rissoellaceae" genus="Rissoella" higherTaxonomySource="GBIF" kingdom="Plantae" order="Gigartinales" pageId="5" pageNumber="420" phylum="Rhodophyta" rank="species" species="golikovi">
<emphasis id="B976EADEB67D9B54FCBFFB72FC29FB3C" box="[829,1015,1254,1276]" italics="true" pageId="5" pageNumber="420">Rissoella golikovi</emphasis>
</taxonomicName>
. (G–I)
<taxonomicName id="4C024D4FB67D9B54FBCEFB72FAD0FB3C" authority="Chira Siadén &amp; Wakeman &amp; Webb &amp; Hasegawa &amp; Kajihara, 2019" authorityName="Chira Siadén &amp; Wakeman &amp; Webb &amp; Hasegawa &amp; Kajihara" authorityYear="2019" box="[1100,1294,1254,1276]" class="Florideophyceae" family="Rissoellaceae" genus="Rissoella" higherTaxonomySource="GBIF" kingdom="Plantae" order="Gigartinales" pageId="5" pageNumber="420" phylum="Rhodophyta" rank="species" species="japonica" status="sp. nov.">
<emphasis id="B976EADEB67D9B54FBCEFB72FAD0FB3C" box="[1100,1294,1254,1276]" italics="true" pageId="5" pageNumber="420">Rissoella japonica</emphasis>
</taxonomicName>
<emphasis id="B976EADEB67D9B54FA9BFB73FA89FB3C" bold="true" box="[1305,1367,1255,1276]" pageId="5" pageNumber="420">
<taxonomicNameLabel id="A24557A5B67D9B54FA9BFB73FA89FB3C" box="[1305,1367,1255,1276]" pageId="5" pageNumber="420" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(J–K)
<taxonomicName id="4C024D4FB67D9B54FF15FA91FF2AFADB" authorityName="Gray" authorityYear="1847" box="[151,244,1285,1307]" class="Florideophyceae" family="Rissoellaceae" genus="Rissoella" higherTaxonomySource="GBIF" kingdom="Plantae" order="Gigartinales" pageId="5" pageNumber="420" phylum="Rhodophyta" rank="genus">
<emphasis id="B976EADEB67D9B54FF15FA91FF2AFADB" box="[151,244,1285,1307]" italics="true" pageId="5" pageNumber="420">Rissoella</emphasis>
</taxonomicName>
sp. 1.
</paragraph>
</caption>
<subSubSection id="C3186547B67D9B54FF45FAD3FA5BF92C" pageId="5" pageNumber="420" type="description">
<paragraph id="8BBD36CCB67D9B54FF45FAD3FA5BF92C" blockId="5.[151,1437,1351,2025]" pageId="5" pageNumber="420">
<emphasis id="B976EADEB67D9B54FF45FAD3FE87FAA0" bold="true" box="[199,345,1351,1376]" pageId="5" pageNumber="420">Description.</emphasis>
Shell minute, smaller (296–450 µm) in comparison to other rissoellids, thin, extremely fragile, translucent or whitish opaque, skeneiform (width about 150% of length), with deep, widely perforate umbilicus (
<figureCitation id="13392A49B67D9B54FF1DFA1BFF22FA68" box="[159,252,1423,1448]" captionStart="FIGURE 5" captionStartId="7.[151,250,1962,1984]" captionTargetBox="[274,1312,248,1876]" captionTargetId="figure@7.[265,1322,240,1885]" captionTargetPageId="7" captionText="FIGURE 5. SEM micrographs of Rissoella golikovi. (A) Apertural view of the shell. (B) Apical view of the protoconch. (C) Detail of the protoconch showing suture. (D) Inner face view of the operculum. (E–F) Radula. (G) Central teeth." httpUri="https://zenodo.org/record/2623042/files/figure.png" pageId="5" pageNumber="420">Fig. 5A</figureCitation>
). Protoconch smooth, of about one whorl (
<figureCitation id="13392A49B67D9B54FD69FA1BFCAAFA68" box="[747,884,1423,1448]" captionStart="FIGURE 5" captionStartId="7.[151,250,1962,1984]" captionTargetBox="[274,1312,248,1876]" captionTargetId="figure@7.[265,1322,240,1885]" captionTargetPageId="7" captionText="FIGURE 5. SEM micrographs of Rissoella golikovi. (A) Apertural view of the shell. (B) Apical view of the protoconch. (C) Detail of the protoconch showing suture. (D) Inner face view of the operculum. (E–F) Radula. (G) Central teeth." httpUri="https://zenodo.org/record/2623042/files/figure.png" pageId="5" pageNumber="420">Figs. 5B, C</figureCitation>
). Teleoconch smooth with distinct growth lines, slightly deep suture, of about three convex whorls; aperture simple, entire, nearly circular but with margin adjacent to previous whorl flattened. Operculum typical of family (
<figureCitation id="13392A49B67D9B54FCAEFA43FC59FA30" box="[812,903,1495,1520]" captionStart="FIGURE 5" captionStartId="7.[151,250,1962,1984]" captionTargetBox="[274,1312,248,1876]" captionTargetId="figure@7.[265,1322,240,1885]" captionTargetPageId="7" captionText="FIGURE 5. SEM micrographs of Rissoella golikovi. (A) Apertural view of the shell. (B) Apical view of the protoconch. (C) Detail of the protoconch showing suture. (D) Inner face view of the operculum. (E–F) Radula. (G) Central teeth." httpUri="https://zenodo.org/record/2623042/files/figure.png" pageId="5" pageNumber="420">Fig. 5D</figureCitation>
). Head–foot brown or dark grey with colorless sole; oral lobes short; cephalic tentacles slightly longer than oral lobes; oral lobes and cephalic tentacles proximally having similar coloration to head, gradually becoming transparent in distal portion. Mantle dark brown or black pigmented, with black or darker brown patch on center of dorsal portion of body whorl; another smaller dark patch placed on left of neck (
<figureCitation id="13392A49B67D9B54FE28F9F3FDEEF940" box="[426,560,1639,1664]" captionStart="FIGURE 3" captionStartId="5.[151,250,1254,1276]" captionTargetBox="[179,1406,202,1239]" captionTargetId="figure@5.[173,1414,193,1248]" captionTargetPageId="5" captionText="FIGURE 3. Living specimens. (A–D) Rissoella elatior. (E–F) Rissoella golikovi. (G–I) Rissoella japonica n. sp. (J–K) Rissoella sp. 1." httpUri="https://zenodo.org/record/2623037/files/figure.png" pageId="5" pageNumber="420">Figs. 3E, F</figureCitation>
). Radular formula 12–13 × 1.R.1 (
<figureCitation id="13392A49B67D9B54FC45F9F3FBFFF940" box="[967,1057,1639,1664]" captionStart="FIGURE 5" captionStartId="7.[151,250,1962,1984]" captionTargetBox="[274,1312,248,1876]" captionTargetId="figure@7.[265,1322,240,1885]" captionTargetPageId="7" captionText="FIGURE 5. SEM micrographs of Rissoella golikovi. (A) Apertural view of the shell. (B) Apical view of the protoconch. (C) Detail of the protoconch showing suture. (D) Inner face view of the operculum. (E–F) Radula. (G) Central teeth." httpUri="https://zenodo.org/record/2623042/files/figure.png" pageId="5" pageNumber="420">Fig. 5E</figureCitation>
). Central tooth higher than wide (width about 52% of length), with medial narrow ridge, cutting edge with one small central sharp cusp flanked by several larger cusps (
<figureCitation id="13392A49B67D9B54FE0BF93BFDD0F908" box="[393,526,1711,1736]" captionStart="FIGURE 5" captionStartId="7.[151,250,1962,1984]" captionTargetBox="[274,1312,248,1876]" captionTargetId="figure@7.[265,1322,240,1885]" captionTargetPageId="7" captionText="FIGURE 5. SEM micrographs of Rissoella golikovi. (A) Apertural view of the shell. (B) Apical view of the protoconch. (C) Detail of the protoconch showing suture. (D) Inner face view of the operculum. (E–F) Radula. (G) Central teeth." httpUri="https://zenodo.org/record/2623042/files/figure.png" pageId="5" pageNumber="420">Figs. 5F, G</figureCitation>
). Lateral teeth triangular (width about 41% of length), each with median ridge; cutting edge with larger median cusp, flanked by 4–5 sharp cusps, consecutively decreasing in size (
<figureCitation id="13392A49B67D9B54FB7BF947FAA6F92C" box="[1273,1400,1747,1772]" captionStart="FIGURE 5" captionStartId="7.[151,250,1962,1984]" captionTargetBox="[274,1312,248,1876]" captionTargetId="figure@7.[265,1322,240,1885]" captionTargetPageId="7" captionText="FIGURE 5. SEM micrographs of Rissoella golikovi. (A) Apertural view of the shell. (B) Apical view of the protoconch. (C) Detail of the protoconch showing suture. (D) Inner face view of the operculum. (E–F) Radula. (G) Central teeth." httpUri="https://zenodo.org/record/2623042/files/figure.png" pageId="5" pageNumber="420">Figs. 5E, F</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C3186547B67D9B54FF45F963FAB4F897" pageId="5" pageNumber="420" type="distribution">
<paragraph id="8BBD36CCB67D9B54FF45F963FAB4F897" blockId="5.[151,1437,1351,2025]" pageId="5" pageNumber="420">
<emphasis id="B976EADEB67D9B54FF45F963FDE6F8D0" bold="true" box="[199,568,1783,1808]" pageId="5" pageNumber="420">Distribution and microhabitat.</emphasis>
Known from Vanino Bay, as well as middle Kurile Islands,
<collectingCountry id="F315765CB67D9B54FB66F963FAECF8D0" box="[1252,1330,1783,1808]" name="Russia" pageId="5" pageNumber="420">Russia</collectingCountry>
. Material in this study was collected from
<collectingRegion id="49C6F82EB67D9B54FE7CF88FFDB1F8F4" box="[510,623,1819,1844]" country="Japan" name="Hokkaido" pageId="5" pageNumber="420">Hokkaido</collectingRegion>
,
<collectingCountry id="F315765CB67D9B54FDF8F888FD60F8F3" box="[634,702,1820,1843]" name="Japan" pageId="5" pageNumber="420">Japan</collectingCountry>
: Otaru and Kamoenai (Sea of
<collectingCountry id="F315765CB67D9B54FB8EF888FB8EF8F4" box="[1036,1104,1820,1844]" name="Japan" pageId="5" pageNumber="420">Japan</collectingCountry>
), near Omu (Sea of Okhotsk), and Akkeshi and Muroran (Pacific). It was found on various algae including the coralline algae
<taxonomicName id="4C024D4FB67D9B54FB4AF8ABFAEBF898" box="[1224,1333,1855,1880]" class="Florideophyceae" family="Corallinaceae" genus="Corallina" higherTaxonomySource="GBIF" kingdom="Plantae" order="Corallinales" pageId="5" pageNumber="420" phylum="Rhodophyta" rank="genus">
<emphasis id="B976EADEB67D9B54FB4AF8ABFAEBF898" box="[1224,1333,1855,1880]" italics="true" pageId="5" pageNumber="420">Corallina</emphasis>
</taxonomicName>
spp.
</paragraph>
</subSubSection>
<subSubSection id="C3186547B67D9B57FF45F8F7FC36FEDC" lastPageId="6" lastPageNumber="421" pageId="5" pageNumber="420" type="discussion">
<paragraph id="8BBD36CCB67D9B57FF45F8F7FC36FEDC" blockId="5.[151,1437,1351,2025]" lastBlockId="6.[151,1436,151,285]" lastPageId="6" lastPageNumber="421" pageId="5" pageNumber="420">
<emphasis id="B976EADEB67D9B54FF45F8F7FEE5F8BC" bold="true" box="[199,315,1891,1916]" pageId="5" pageNumber="420">Remarks.</emphasis>
The
<typeStatus id="54B9886EB67D9B54FEF6F8F0FE7AF8BC" box="[372,420,1892,1916]" pageId="5" pageNumber="420">type</typeStatus>
material of
<taxonomicName id="4C024D4FB67D9B54FDAEF8F7FD2AF8BC" authorityName="Gulbin" authorityYear="1979" box="[556,756,1891,1916]" class="Florideophyceae" family="Rissoellaceae" genus="Rissoella" higherTaxonomySource="GBIF" kingdom="Plantae" order="Gigartinales" pageId="5" pageNumber="420" phylum="Rhodophyta" rank="species" species="golikovi">
<emphasis id="B976EADEB67D9B54FDAEF8F7FD2AF8BC" box="[556,756,1891,1916]" italics="true" pageId="5" pageNumber="420">Rissoella golikovi</emphasis>
</taxonomicName>
was not examined, due to restrictions on shipping biological material. However, our newly sampled material agrees with its description. The present morphospecies is nearly identical in radula morphology to
<taxonomicName id="4C024D4FB67D9B54FD96F83FFC0CF804" authority="(Forbes &amp; Hanley)" authorityName="Forbes &amp; Hanley" baseAuthorityName="Forbes &amp; Hanley" baseAuthorityYear="1853" box="[532,978,1963,1988]" class="Florideophyceae" family="Rissoellaceae" genus="Rissoella" higherTaxonomySource="GBIF" kingdom="Plantae" order="Gigartinales" pageId="5" pageNumber="420" phylum="Rhodophyta" rank="species" species="globularis">
<emphasis id="B976EADEB67D9B54FD96F83FFD2BF804" box="[532,757,1963,1988]" italics="true" pageId="5" pageNumber="420">Rissoella globularis</emphasis>
(Forbes &amp; Hanley)
</taxonomicName>
, which has been reported from
<collectingCountry id="F315765CB67D9B54FAB1F838FAA1F803" box="[1331,1407,1964,1987]" name="France" pageId="5" pageNumber="420">France</collectingCountry>
to northern
<collectingCountry id="F315765CB67D9B54FE82F845FE85F829" box="[256,347,2001,2025]" name="Norway" pageId="5" pageNumber="420">Norway</collectingCountry>
, as illustrated by
<bibRefCitation id="EF934B3DB67D9B54FDA9F844FD6DF828" author="Sars, G. O." box="[555,691,2000,2024]" pageId="5" pageNumber="420" refId="ref7637" refString="Sars, G. O. (1878) Mollusca regionis Arcticae Norvegiae. In: Bidrag til Kundskaben om Norges Arktiske Fauna. Chritiania, Brogger, 466 pp." type="book" year="1878">Sars (1878)</bibRefCitation>
. Nevertheless, these two species can clearly be distinguished by shell morphology. In
<taxonomicName id="4C024D4FB67E9B57FE14FF0DFDF3FF70" baseAuthorityName="Forbes &amp; Hanley" baseAuthorityYear="1853" box="[406,557,151,176]" class="Florideophyceae" family="Rissoellaceae" genus="Rissoella" higherTaxonomySource="GBIF" kingdom="Plantae" order="Gigartinales" pageId="6" pageNumber="421" phylum="Rhodophyta" rank="species" species="globularis">
<emphasis id="B976EADEB67E9B57FE14FF0DFDF3FF70" box="[406,557,151,176]" italics="true" pageId="6" pageNumber="421">R. globularis</emphasis>
</taxonomicName>
, the shell is depressed conical, while it is skeneiform in
<taxonomicName id="4C024D4FB67E9B57FB5DFF0DFA83FF70" authorityName="Gulbin" authorityYear="1979" box="[1247,1373,151,176]" class="Florideophyceae" family="Rissoellaceae" genus="Rissoella" higherTaxonomySource="GBIF" kingdom="Plantae" order="Gigartinales" pageId="6" pageNumber="421" phylum="Rhodophyta" rank="species" species="golikovi">
<emphasis id="B976EADEB67E9B57FB5DFF0DFA83FF70" box="[1247,1373,151,176]" italics="true" pageId="6" pageNumber="421">R. golikovi</emphasis>
</taxonomicName>
. The skeneiform shell of this species makes it easily distinguishable from other species in the family where shells are either ovate or elongate.
<taxonomicName id="4C024D4FB67E9B57FE2EFF4BFDADFF38" authorityName="Gulbin" authorityYear="1979" box="[428,627,223,248]" class="Florideophyceae" family="Rissoellaceae" genus="Rissoella" higherTaxonomySource="GBIF" kingdom="Plantae" order="Gigartinales" pageId="6" pageNumber="421" phylum="Rhodophyta" rank="species" species="golikovi">
<emphasis id="B976EADEB67E9B57FE2EFF4BFDADFF38" box="[428,627,223,248]" italics="true" pageId="6" pageNumber="421">Rissoella golikovi</emphasis>
</taxonomicName>
was first described by
<bibRefCitation id="EF934B3DB67E9B57FCF4FF4BFBCBFF38" author="Gulbin, V. V." box="[886,1045,223,248]" pageId="6" pageNumber="421" pagination="88 - 89" refId="ref6574" refString="Gulbin, V. V. (1979) A new species of the littoral gastropod Rissoellidae from the Far-eastern seas. Academy of Sciences of the USSR, Vladivostok. Far East Science Center. Marine Biology, 3, 88 - 89. [in Russian]" type="journal article" year="1979">Gulbin (1979)</bibRefCitation>
from Vanino Bay,
<collectingCountry id="F315765CB67E9B57FB6BFF4BFAE8FF38" box="[1257,1334,223,248]" name="Russia" pageId="6" pageNumber="421">Russia</collectingCountry>
, and was subsequently recorded from the eastern part of Hokkaido (
<bibRefCitation id="EF934B3DB67E9B57FCA6FE90FC02FEDC" author="Hasegawa, K." box="[804,988,260,284]" pageId="6" pageNumber="421" pagination="1063" refId="ref6660" refString="Hasegawa, K. (2017) Rissoellidae. In: Okutani, T. (Ed.), Marine Mollusks in Japan. 2 nd Edition. Tokai University Press, Tokyo, pp. 398 + 1063." type="journal article" year="2017">Hasegawa 2017</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>
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