treatments-xml/data/00/78/D1/0078D113631AFFCFFF0B8DF5FA1AF9CF.xml
2024-06-21 12:18:41 +02:00

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<mods:title id="3412AC22AEF1B7DA1884A02B334DC575">New species of Ilanga (Gastropoda: Trochoidea: Solariellidae) from the Indo-West Pacific</mods:title>
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<mods:namePart id="03106538EE845BE493DD9F0E1AE07898">Williams, Suzanne T.</mods:namePart>
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<treatment id="0078D113631AFFCFFF0B8DF5FA1AF9CF" ID-DOI="http://doi.org/10.5281/zenodo.3664713" ID-GBIF-Taxon="162077086" ID-Zenodo-Dep="3664713" LSID="urn:lsid:plazi:treatment:0078D113631AFFCFFF0B8DF5FA1AF9CF" httpUri="http://treatment.plazi.org/id/0078D113631AFFCFFF0B8DF5FA1AF9CF" lastPageId="15" lastPageNumber="216" pageId="14" pageNumber="215">
<subSubSection id="C0CB338E631AFFCEFF0B8DF5FC70FA56" box="[151,1014,1493,1520]" pageId="14" pageNumber="215" type="nomenclature">
<paragraph id="886E6005631AFFCEFF0B8DF5FC70FA56" blockId="14.[151,1014,1493,1520]" box="[151,1014,1493,1520]" pageId="14" pageNumber="215">
<heading id="D326D769631AFFCEFF0B8DF5FC70FA56" bold="true" box="[151,1014,1493,1520]" fontSize="11" level="1" pageId="14" pageNumber="215" reason="1">
<emphasis id="BAA5BC17631AFFCEFF0B8DF5FC70FA56" bold="true" box="[151,1014,1493,1520]" pageId="14" pageNumber="215">
Key 2: Key to
<taxonomicName id="4FD11B86631AFFCEFED68DF6FE1CFA56" ID-CoL="7P5P9" authority="Herbert, 1987" box="[330,410,1493,1520]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="14" pageNumber="215" phylum="Mollusca" rank="genus">
<emphasis id="BAA5BC17631AFFCEFED68DF6FE1CFA56" bold="true" box="[330,410,1493,1520]" italics="true" pageId="14" pageNumber="215">Ilanga</emphasis>
</taxonomicName>
species of Indo-Pacific area studied in this work
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C0CB338E631AFFCFFF0B8E39FA1AF9CF" lastPageId="15" lastPageNumber="216" pageId="14" pageNumber="215" type="key">
<paragraph id="886E6005631AFFCEFF0B8E39FA1AF965" blockId="14.[151,1436,1562,1731]" pageId="14" pageNumber="215">
<keyLead id="3320C330631AFFCEFF0B8E39FA1AF965" pageId="14" pageNumber="215">
<keyStep id="332578A0631AFFCEFF0B8E39FA1AF965" pageId="14" pageNumber="215">1. subsutural axial pleats visible on second or third whorl........................................................ 2 - no obvious subsutural axial pleats on whorls.............................................................. 13 2 (1). umbilical rim rounded to weakly subangulate............................................................... 3 - umbilical rim angulate................................................................................. 6 3 (2). no axial threads inside umbilicus........................................................................ 4 - axial threads inside umbilicus........................................................................... 5</keyStep>
</keyLead>
</paragraph>
<keyStep id="332578A0631AFFCEFF0B8F26FA8FF8D4" pageId="14" pageNumber="215">
<paragraph id="886E6005631AFFCEFF0B8F26FA8FF8BC" blockId="14.[151,1289,1797,1819]" box="[151,1289,1797,1819]" pageId="14" pageNumber="215">
<keyLead id="3320C330631AFFCEFF0B8F26FA8FF8BC" box="[151,1289,1797,1819]" pageId="14" pageNumber="215">
4 (3). conical shape with nearly flat whorls...................................................
<taxonomicName id="4FD11B86631AFFCEFB328F26FA8FF8BC" ID-CoL="7RQLK" authorityName="Vilvens &amp; Williams" authorityYear="2020" box="[1198,1289,1797,1818]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="14" pageNumber="215" phylum="Mollusca" rank="species" species="cosmia">
<emphasis id="BAA5BC17631AFFCEFB328F26FA8FF8BC" bold="true" box="[1198,1289,1797,1818]" italics="true" pageId="14" pageNumber="215">I. cosmia</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="886E6005631AFFCEFF0B8F7EFA8FF8D4" blockId="14.[151,1289,1885,1907]" box="[151,1289,1885,1907]" pageId="14" pageNumber="215">
<keyLead id="3320C330631AFFCEFF0B8F7EFA8FF8D4" box="[151,1289,1885,1907]" pageId="14" pageNumber="215">
- conical to slightly cyrtoconoidal shape, convex whorls..................................
<taxonomicName id="4FD11B86631AFFCEFB098F7EFA8FF8D4" ID-CoL="7RQLJ" authorityName="Vilvens &amp; Williams" authorityYear="2020" box="[1173,1289,1885,1906]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="14" pageNumber="215" phylum="Mollusca" rank="species" species="corrineae">
<emphasis id="BAA5BC17631AFFCEFB098F7EFA8FF8D4" bold="true" box="[1173,1289,1885,1906]" italics="true" pageId="14" pageNumber="215">I. corrineae</emphasis>
</taxonomicName>
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</paragraph>
</keyStep>
<paragraph id="886E6005631AFFCFFF0B8F96FA99FF4C" blockId="14.[151,1297,1973,1995]" lastBlockId="15.[151,1311,212,234]" lastPageId="15" lastPageNumber="216" pageId="14" pageNumber="215">
<keyStep id="332578A0631AFFCFFF0B8F96FA99FF4C" lastPageId="15" lastPageNumber="216" pageId="14" pageNumber="215">
<keyLead id="3320C330631AFFCFFF0B8F96FA99FF4C" lastPageId="15" lastPageNumber="216" pageId="14" pageNumber="215">
5 (3) rather depressed spire, 4 Pi, very large umbilicus...........................................
<taxonomicName id="4FD11B86631AFFCEFB238F96FA97F86C" ID-CoL="7RQLH" authorityName="Vilvens &amp; Williams" authorityYear="2020" box="[1215,1297,1973,1994]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="14" pageNumber="215" phylum="Mollusca" rank="species" species="comes">
<emphasis id="BAA5BC17631AFFCEFB238F96FA97F86C" bold="true" box="[1215,1297,1973,1994]" italics="true" pageId="14" pageNumber="215">I. comes</emphasis>
</taxonomicName>
- rather elevated spire, 5 Pi, moderately large umbilicus..................................
<taxonomicName id="4FD11B86631BFFCFFB1988F7FA99FF4C" ID-CoL="7RQLL" authorityName="Vilvens &amp; Williams" authorityYear="2020" box="[1157,1311,212,234]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="15" pageNumber="216" phylum="Mollusca" rank="species" species="dongshaensis">
<emphasis id="BAA5BC17631BFFCFFB1988F7FA99FF4C" bold="true" box="[1157,1311,212,234]" italics="true" pageId="15" pageNumber="216">I. dongshaensis</emphasis>
</taxonomicName>
</keyLead>
</keyStep>
</paragraph>
<keyStep id="332578A0631BFFCFFF0B890FFA1AFE3F" pageId="15" pageNumber="216">
<paragraph id="886E6005631BFFCFFF0B890FFA1AFEE4" blockId="15.[151,1436,300,322]" box="[151,1436,300,322]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B890FFA1AFEE4" box="[151,1436,300,322]" pageId="15" pageNumber="216">6 (2). always axial threads inside the umbilicus.................................................................. 7</keyLead>
</paragraph>
<paragraph id="886E6005631BFFCFFF0B89A6FA1AFE3F" blockId="15.[151,1436,388,410]" box="[151,1436,388,410]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B89A6FA1AFE3F" box="[151,1436,388,410]" pageId="15" pageNumber="216">- no axial threads always present inside the umbilicus.......................................................... 9</keyLead>
</paragraph>
</keyStep>
<keyStep id="332578A0631BFFCFFF0B89FEFA1AFD8A" pageId="15" pageNumber="216">
<paragraph id="886E6005631BFFCFFF0B89FEFB7DFE57" blockId="15.[151,1275,476,498]" box="[151,1275,476,498]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B89FEFB7DFE57" box="[151,1275,476,498]" pageId="15" pageNumber="216">
7 (6). ± 3 spiral cords around umbilicus, central base area reticulate...............................
<taxonomicName id="4FD11B86631BFFCFFB2C89FFFB7DFE57" ID-CoL="7RQLY" authorityName="Vilvens &amp; Williams" authorityYear="2020" box="[1200,1275,476,497]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="15" pageNumber="216" phylum="Mollusca" rank="species" species="oxeia">
<emphasis id="BAA5BC17631BFFCFFB2C89FFFB7DFE57" bold="true" box="[1200,1275,476,497]" italics="true" pageId="15" pageNumber="216">I. oxeia</emphasis>
</taxonomicName>
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</paragraph>
<paragraph id="886E6005631BFFCFFF0B8A34FA1AFD8A" blockId="15.[151,1436,535,557]" box="[151,1436,535,557]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B8A34FA1AFD8A" box="[151,1436,535,557]" pageId="15" pageNumber="216">- usually one single spiral cord around the umbilicus.......................................................... 8</keyLead>
</paragraph>
</keyStep>
<keyStep id="332578A0631BFFCFFF0B8AAFFA9CFD5C" pageId="15" pageNumber="216">
<paragraph id="886E6005631BFFCFFF0B8AAFFA81FD07" blockId="15.[151,1287,652,674]" box="[151,1287,652,674]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B8AAFFA81FD07" box="[151,1287,652,674]" pageId="15" pageNumber="216">
8 (7). rounded periphery without spiral cords..............................................
<taxonomicName id="4FD11B86631BFFCFFB168AAFFA81FD07" ID-CoL="7RQLN" authorityName="Vilvens &amp; Williams" authorityYear="2020" box="[1162,1287,652,673]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="15" pageNumber="216" phylum="Mollusca" rank="species" species="eurystoma">
<emphasis id="BAA5BC17631BFFCFFB168AAFFA81FD07" bold="true" box="[1162,1287,652,673]" italics="true" pageId="15" pageNumber="216">I. eurystoma</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="886E6005631BFFCFFF0B8AC6FA9CFD5C" blockId="15.[151,1306,740,762]" box="[151,1306,740,762]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B8AC6FA9CFD5C" box="[151,1306,740,762]" pageId="15" pageNumber="216">
- subangulate periphery, faint spiral cords on periphery....................................
<taxonomicName id="4FD11B86631BFFCFFB128AC7FA9CFD5C" ID-CoL="7RQLQ" authorityName="Vilvens &amp; Williams" authorityYear="2020" box="[1166,1306,740,762]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="15" pageNumber="216" phylum="Mollusca" rank="species" species="harrytaylori">
<emphasis id="BAA5BC17631BFFCFFB128AC7FA9CFD5C" bold="true" box="[1166,1306,740,762]" italics="true" pageId="15" pageNumber="216">I. harrytaylori</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="332578A0631BFFCFFF0B8B3CFA1AFCC9" pageId="15" pageNumber="216">
<paragraph id="886E6005631BFFCFFF0B8B3CFA1AFC92" blockId="15.[151,1436,799,821]" box="[151,1436,799,821]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B8B3CFA1AFC92" box="[151,1436,799,821]" pageId="15" pageNumber="216">9 (6). depressed, lenticular................................................................................. 10</keyLead>
</paragraph>
<paragraph id="886E6005631BFFCFFF0B8B79FA1AFCC9" blockId="15.[151,1436,857,879]" box="[151,1436,857,879]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B8B79FA1AFCC9" box="[151,1436,857,879]" pageId="15" pageNumber="216">- at most moderately depressed........................................................................... 11</keyLead>
</paragraph>
</keyStep>
<keyStep id="332578A0631BFFCFFF0B8B91FA8FFB9A" pageId="15" pageNumber="216">
<paragraph id="886E6005631BFFCFFF0B8B91FA80FC60" blockId="15.[151,1286,945,968]" box="[151,1286,945,968]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B8B91FA80FC60" box="[151,1286,945,968]" pageId="15" pageNumber="216">
10 (9). strongly depressed, spiral cords around the umbilicus, up to
<quantity id="4F29CDE0631BFFCFFCB88B91FCE1FC61" box="[804,871,946,967]" metricMagnitude="-2" metricUnit="m" metricValue="1.9" pageId="15" pageNumber="216" unit="mm" value="19.0">19 mm</quantity>
.............................
<taxonomicName id="4FD11B86631BFFCFFB5C8B91FA80FC60" ID-CoL="6MV58" baseAuthorityName="Poppe, Tagaro &amp; Dekker" baseAuthorityYear="2006" box="[1216,1286,945,967]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="15" pageNumber="216" phylum="Mollusca" rank="species" species="gotoi">
<emphasis id="BAA5BC17631BFFCFFB5C8B91FA80FC60" bold="true" box="[1216,1286,945,967]" italics="true" pageId="15" pageNumber="216">I. gotoi</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="886E6005631BFFCFFF0B8C04FA8FFB9A" blockId="15.[151,1289,1062,1085]" box="[151,1289,1062,1085]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B8C04FA8FFB9A" box="[151,1289,1062,1085]" pageId="15" pageNumber="216">
- a single spiral cord around the umbilicus..........................................
<taxonomicName id="4FD11B86631BFFCFFBF48C04FA8FFB9A" ID-CoL="7RQLM" authorityName="Vilvens &amp; Williams" authorityYear="2020" box="[1128,1289,1062,1084]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="15" pageNumber="216" phylum="Mollusca" rank="species" species="euryomphalos">
<emphasis id="BAA5BC17631BFFCFFBF48C04FA8FFB9A" bold="true" box="[1128,1289,1062,1084]" italics="true" pageId="15" pageNumber="216">I. euryomphalos</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="332578A0631BFFCFFF0B8CBFFA1AFB4A" pageId="15" pageNumber="216">
<paragraph id="886E6005631BFFCFFF0B8CBFFA88FB14" blockId="15.[151,1294,1180,1202]" box="[151,1294,1180,1202]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B8CBFFA88FB14" box="[151,1294,1180,1202]" pageId="15" pageNumber="216">
11 (9). rather elevated spire............................................................
<taxonomicName id="4FD11B86631BFFCFFB1C8CBFFA88FB14" ID-CoL="7RQLX" baseAuthorityName="Ladd" baseAuthorityYear="1982" box="[1152,1294,1180,1202]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="15" pageNumber="216" phylum="Mollusca" rank="species" species="navakaensis">
<emphasis id="BAA5BC17631BFFCFFB1C8CBFFA88FB14" bold="true" box="[1152,1294,1180,1202]" italics="true" pageId="15" pageNumber="216">I. navakaensis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="886E6005631BFFCFFF0B8CF4FA1AFB4A" blockId="15.[151,1436,1239,1261]" box="[151,1436,1239,1261]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B8CF4FA1AFB4A" box="[151,1436,1239,1261]" pageId="15" pageNumber="216">- moderately depressed spire only........................................................................ 12</keyLead>
</paragraph>
</keyStep>
<keyStep id="332578A0631BFFCFFF0B8D0CFA8FFA1C" pageId="15" pageNumber="216">
<paragraph id="886E6005631BFFCFFF0B8D0CFA94FAE2" blockId="15.[151,1298,1326,1349]" box="[151,1298,1326,1349]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B8D0CFA94FAE2" box="[151,1298,1326,1349]" pageId="15" pageNumber="216">
12 (11).5 Pi.......................................................................
<taxonomicName id="4FD11B86631BFFCFFBF48D0CFA94FAE2" ID-CoL="7RQM4" authorityName="Vilvens &amp; Williams" authorityYear="2020" box="[1128,1298,1326,1348]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="15" pageNumber="216" phylum="Mollusca" rank="species" species="stephanophora">
<emphasis id="BAA5BC17631BFFCFFBF48D0CFA94FAE2" bold="true" box="[1128,1298,1326,1348]" italics="true" pageId="15" pageNumber="216">I. stephanophora</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="886E6005631BFFCFFF0B8D86FA8FFA1C" blockId="15.[151,1289,1444,1466]" box="[151,1289,1444,1466]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B8D86FA8FFA1C" box="[151,1289,1444,1466]" pageId="15" pageNumber="216">
- 4 Pi.........................................................................
<taxonomicName id="4FD11B86631BFFCFFBE28D87FA8FFA1C" ID-CoL="7RQM2" authorityName="Vilvens &amp; Williams" authorityYear="2020" box="[1150,1289,1444,1466]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="15" pageNumber="216" phylum="Mollusca" rank="species" species="polygramma">
<emphasis id="BAA5BC17631BFFCFFBE28D87FA8FFA1C" bold="true" box="[1150,1289,1444,1466]" italics="true" pageId="15" pageNumber="216">I.polygramma</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="332578A0631BFFCFFF0B8E39FA1AF9CF" pageId="15" pageNumber="216">
<paragraph id="886E6005631BFFCFFF0B8E39FA91F989" blockId="15.[151,1303,1561,1584]" box="[151,1303,1561,1584]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B8E39FA91F989" box="[151,1303,1561,1584]" pageId="15" pageNumber="216">
13 (1). umbilical rim only weakly subangulate..................................................
<taxonomicName id="4FD11B86631BFFCFFB248E39FA91F989" ID-CoL="7S5K4" box="[1208,1303,1561,1583]" class="Gastropoda" family="Solariellidae" genus="Microgaza" higherTaxonomySource="CoL" kingdom="Animalia" order="Trochida" pageId="15" pageNumber="216" phylum="Mollusca" rank="species" species="fulgens">
<emphasis id="BAA5BC17631BFFCFFB248E39FA91F989" bold="true" box="[1208,1303,1561,1583]" italics="true" pageId="15" pageNumber="216">I. fulgens</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="886E6005631BFFCFFF0B8E76FA1AF9CF" blockId="15.[151,1436,1620,1642]" box="[151,1436,1620,1642]" pageId="15" pageNumber="216">
<keyLead id="3320C330631BFFCFFF0B8E76FA1AF9CF" box="[151,1436,1620,1642]" pageId="15" pageNumber="216">- umbilical rim angulate or at least subangulate.............................................................. 14</keyLead>
</paragraph>
</keyStep>
</subSubSection>
</treatment>
</document>