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<document id="5DFC7049E2E9499D11DD3E2FFFA2788A" ID-DOI="10.11646/zootaxa.3888.1.1" ID-ISSN="1175-5326" ID-Zenodo-Dep="10086415" ID-ZooBank="1B437AE1-CF28-4C1B-95B6-C31A295905A0" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1623730057475" checkinUser="felipe" docAuthor="Schwarzhans, Werner" docDate="2014" docId="463A8F36FF8FFFB812979A96E456FDC5" docLanguage="en" docName="zt03888p073.pdf.imf" docOrigin="Zootaxa 3888 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Hymenocephalus neglectissimus Sazonov &amp; Iwamoto 1992" docType="treatment" docVersion="2" lastPageNumber="65" masterDocId="BA03F74EFFB0FFF812009814E16BFFF8" masterDocTitle="Head and otolith morphology of the genera Hymenocephalus, Hymenogadus and Spicomacrurus (Macrouridae), with the description of three new species" masterLastPageNumber="73" masterPageNumber="1" pageNumber="64" updateTime="1699488604623" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-3.0">
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<mods:title id="61BB122E19CA104B07418115C8C77FD6">Head and otolith morphology of the genera Hymenocephalus, Hymenogadus and Spicomacrurus (Macrouridae), with the description of three new species</mods:title>
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<mods:namePart id="F53859AF6B6944912BF6A76B156B27C9">Schwarzhans, Werner</mods:namePart>
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<heading id="9564894CFF8FFFC712979A96E204FD64" bold="true" box="[151,879,642,668]" fontSize="11" level="2" pageId="63" pageNumber="64" reason="4">
<taxonomicName id="099345A3FF8FFFC712979A96E204FD64" ID-CoL="3NJ9G" authority="Sazonov &amp; Iwamoto, 1992" authorityName="Sazonov &amp; Iwamoto" authorityYear="1992" box="[151,879,642,668]" class="Actinopterygii" family="Macrouridae" genus="Hymenocephalus" kingdom="Animalia" order="Gadiformes" pageId="63" pageNumber="64" phylum="Chordata" rank="species" species="neglectissimus">
<emphasis id="FCE7E232FF8FFFC712979A96E204FD64" bold="true" box="[151,879,642,668]" pageId="63" pageNumber="64">
<emphasis id="FCE7E232FF8FFFC712979A96E34BFD64" bold="true" box="[151,544,642,668]" italics="true" pageId="63" pageNumber="64">Hymenocephalus neglectissimus</emphasis>
<bibRefCitation id="AA0243D1FF8FFFC710279A96E204FD64" author="Sazonov, Y. I. &amp; Iwamoto, T." box="[551,879,642,668]" pageId="63" pageNumber="64" pagination="27 - 95" refId="ref51836" refString="Sazonov, Y. I. &amp; Iwamoto, T. (1992) Grenadiers (Pisces, Gadiformes) of the Nazca and Sala y Gomez Ridges, southeastern Pacific. Proceedings of the California Academy of Sciences, 48 (2), 27 - 95." type="journal article" year="1992">Sazonov &amp; Iwamoto, 1992</bibRefCitation>
</emphasis>
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</heading>
</paragraph>
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<paragraph id="CE2C3E20FF8FFFC712979AB1E03BFD46" blockId="63.[151,879,642,702]" box="[151,336,677,702]" pageId="63" pageNumber="64">
<figureCitation id="56A822A5FF8FFFC712979AB1E042FD46" box="[151,297,677,702]" captionStart="FIGURE 35" captionStartId="63.[151,250,1939,1961]" captionTargetBox="[192,1395,1263,1912]" captionTargetId="figure-448@63.[185,1400,1257,1918]" captionTargetPageId="63" captionText="FIGURE 35. AC: Hymenocephalus neglectissimus: AC—ZMMGU-P 18221, A—Lateral view of head, B—Dorsal view of head, C—Schematic outline drawing of formalin eroded otolith. DH: Hymenocephalus semipellucidus, ZMMGU-P 18205: D—Lateral view of head, E—Anterior view of otolith, F, H—Inner faces of otoliths, G—Ventral view of otolith." figureDoi="http://doi.org/10.5281/zenodo.10086489" httpUri="https://zenodo.org/record/10086489/files/figure.png" pageId="63" pageNumber="64">Figs. 35AC</figureCitation>
,
<figureCitation id="56A822A5FF8FFFC713349AB1E03BFD46" box="[308,336,677,702]" captionStart="FIGURE 37" captionStartId="66.[151,250,976,998]" captionTargetBox="[158,1430,272,949]" captionTargetId="figure-236@66.[152,1435,265,954]" captionTargetPageId="66" captionText="FIGURE 37. Geographical distribution of Hymenocephalus aeger, H. megalops, H. striatissimus, H. torvus, H. grimaldii, H. neglectissimus, H. semipellucidus, H. sp. 1 and H." figureDoi="http://doi.org/10.5281/zenodo.10086493" httpUri="https://zenodo.org/record/10086493/files/figure.png" pageId="63" pageNumber="64">37</figureCitation>
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<subSubSection id="86896DABFF8FFFC712979AF2E577FCC2" pageId="63" pageNumber="64" type="reference_group">
<paragraph id="CE2C3E20FF8FFFC712979AF2E062FCE3" blockId="63.[151,1436,742,826]" pageId="63" pageNumber="64">
<treatmentCitationGroup id="EE83190EFF8FFFC712979AF2E062FCE3" pageId="63" pageNumber="64">
<treatmentCitation id="4F321831FF8FFFC712979AF2E270FD04" author="Sazonov, Y. I. &amp; Iwamoto, T." box="[151,795,742,764]" page="56" pageId="63" pageNumber="64" year="1992">
<taxonomicName id="099345A3FF8FFFC712979AF2E270FD04" ID-CoL="3NJ9G" authority="Sazonov &amp; Iwamoto, 1992: 56" authorityName="Sazonov &amp; Iwamoto" authorityPageNumber="56" authorityYear="1992" box="[151,795,742,764]" class="Actinopterygii" family="Macrouridae" genus="Hymenocephalus" kingdom="Animalia" order="Gadiformes" pageId="63" pageNumber="64" phylum="Chordata" rank="species" species="neglectissimus">
<emphasis id="FCE7E232FF8FFFC712979AF2E0B4FD04" box="[151,479,742,764]" italics="true" pageId="63" pageNumber="64">Hymenocephalus neglectissimus</emphasis>
<bibRefCitation id="AA0243D1FF8FFFC713E59AF2E270FD04" author="Sazonov, Y. I. &amp; Iwamoto, T." box="[485,795,742,764]" pageId="63" pageNumber="64" pagination="27 - 95" refId="ref51836" refString="Sazonov, Y. I. &amp; Iwamoto, T. (1992) Grenadiers (Pisces, Gadiformes) of the Nazca and Sala y Gomez Ridges, southeastern Pacific. Proceedings of the California Academy of Sciences, 48 (2), 27 - 95." type="journal article" year="1992">Sazonov &amp; Iwamoto, 1992: 56</bibRefCitation>
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(
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locality: Sala y Gomez Ridge, Prof. Shtokman cr. 18, sta. 1964).
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</paragraph>
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<treatmentCitationGroup id="EE83190EFF8FFFC712979B30E577FCC2" box="[151,1052,804,826]" pageId="63" pageNumber="64">
<treatmentCitation id="4F321831FF8FFFC712979B30E24EFCC2" author="Iwamoto, T. &amp; Merrett, N. R." box="[151,805,804,826]" page="523" pageId="63" pageNumber="64" year="1997">
<taxonomicName id="099345A3FF8FFFC712979B30E24EFCC2" ID-CoL="3NJ9G" authority=": Iwamoto &amp; Merrett, 1997: 523" authorityName=": Iwamoto &amp; Merrett" authorityPageNumber="523" authorityYear="1997" box="[151,805,804,826]" class="Actinopterygii" family="Macrouridae" genus="Hymenocephalus" kingdom="Animalia" order="Gadiformes" pageId="63" pageNumber="64" phylum="Chordata" rank="species" species="neglectissimus">
<emphasis id="FCE7E232FF8FFFC712979B30E08BFCC2" box="[151,480,804,826]" italics="true" pageId="63" pageNumber="64">Hymenocephalus neglectissimus</emphasis>
:
<bibRefCitation id="AA0243D1FF8FFFC713EC9B30E24EFCC2" author="Iwamoto, T. &amp; Merrett, N. R." box="[492,805,804,826]" pageId="63" pageNumber="64" pagination="473 - 570" refId="ref51103" refString="Iwamoto, T. &amp; Merrett, N. R. (1997) Pisces Gadiformes: Taxonomy of grenadiers of the New Caledonian region, southwest Pacific. Memoires du Museum national d'Histoire naturelle, 176, 473 - 570." type="journal article" year="1997">Iwamoto &amp; Merrett, 1997: 523</bibRefCitation>
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(reference values only).
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</paragraph>
</subSubSection>
<subSubSection id="86896DABFF8FFFC712979B4BE427FC8F" box="[151,1356,863,888]" pageId="63" pageNumber="64" type="materials_examined">
<paragraph id="CE2C3E20FF8FFFC712979B4BE427FC8F" blockId="63.[151,1437,863,1213]" box="[151,1356,863,888]" pageId="63" pageNumber="64">
<emphasis id="FCE7E232FF8FFFC712979B4BE0EAFC80" bold="true" box="[151,385,863,888]" pageId="63" pageNumber="64">Material examined.</emphasis>
<materialsCitation id="7EFB347DFF8FFFC713879B4BE423FC8F" box="[391,1352,863,888]" collectionCode="ZMMGU" elevation="577" latitude="-23.55" longLatPrecision="1255" longitude="-89.183334" pageId="63" pageNumber="64" specimenCount="2">
<specimenCount id="D895F5A9FF8FFFC713879B4BE37AFC80" box="[391,529,863,888]" pageId="63" pageNumber="64" type="generic">2 specimens</specimenCount>
<collectionCode id="A882A6E5FF8FFFC710189B4BE3E8FC80" box="[536,643,863,888]" country="Russia" httpUri="http://grbio.org/cool/dvrf-d2q9" name="Zoological Museum" pageId="63" pageNumber="64">ZMMGU</collectionCode>
P-18221, 105 and
<quantity id="096B93C5FF8FFFC711579B4BE2DFFC8F" box="[855,948,863,888]" metricMagnitude="-1" metricUnit="m" metricValue="1.1199999999999999" pageId="63" pageNumber="64" unit="mm" value="112.0">112 mm</quantity>
TL,
<geoCoordinate id="ABA758E7FF8FFFC711EA9B4BE523FC80" box="[1002,1096,863,888]" degrees="23" direction="south" minutes="33" orientation="latitude" pageId="63" pageNumber="64" precision="925" value="-23.55">23°33S</geoCoordinate>
,
<geoCoordinate id="ABA758E7FF8FFFC716549B4BE5D1FC80" box="[1108,1210,863,888]" degrees="89" direction="west" minutes="11" orientation="longitude" pageId="63" pageNumber="64" precision="925" value="-89.183334">89°11W</geoCoordinate>
,
<quantity id="096B93C5FF8FFFC716C69B4BE423FC8F" box="[1222,1352,863,888]" metricMagnitude="2" metricUnit="m" metricValue="5.765" metricValueMax="5.9" metricValueMin="5.63" pageId="63" pageNumber="64" unit="m" value="576.5" valueMax="590.0" valueMin="563.0">
<elevation id="45BED913FF8FFFC716C69B4BE423FC8F" box="[1222,1352,863,888]" metricMagnitude="2" metricUnit="m" metricValue="5.765" metricValueMax="5.9" metricValueMin="5.63" pageId="63" pageNumber="64" unit="m" value="576.5" valueMax="590.0" valueMin="563.0">
563
<specimenCount id="D895F5A9FF8FFFC716FD9B4BE423FC8F" box="[1277,1352,863,888]" pageId="63" pageNumber="64" type="generic">590 m</specimenCount>
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.
</paragraph>
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<subSubSection id="86896DABFF8FFFC712C79B90E55AFB45" pageId="63" pageNumber="64" type="diagnosis">
<paragraph id="CE2C3E20FF8FFFC712C79B90E2B5FBD5" blockId="63.[151,1437,863,1213]" pageId="63" pageNumber="64">
<emphasis id="FCE7E232FF8FFFC712C79B90E051FC65" bold="true" box="[199,314,900,925]" pageId="63" pageNumber="64">Diagnosis</emphasis>
(after Sazonov &amp; Iwamoto with additions). Pelvic fin rays 8; pectoral fin rays 1315; gill rakers 1621. Barbel moderately long, 1528% HL. Black blotch on dorsum short, with clear-cut outline. Orbit very large, 4455% HL along the longest diameter, slightly oblique. Snout rounded, not protruding, 1015% HL. Ventral striae extending to about ⅔ the distance from pelvic fin bases to periproct. Infraorbital width 58% HL. Otolith very compressed with broad, pointed predorsal lobe, OL:OH = 0.8.
</paragraph>
<paragraph id="CE2C3E20FF8FFFC712C79C23E55AFB45" blockId="63.[151,1437,863,1213]" pageId="63" pageNumber="64">
<emphasis id="FCE7E232FF8FFFC712C79C23E009FBA8" bold="true" box="[199,354,1079,1104]" pageId="63" pageNumber="64">Comparison.</emphasis>
<taxonomicName id="099345A3FF8FFFC713699C23E3BEFBA8" authorityName=": Iwamoto &amp; Merrett" authorityYear="1997" box="[361,725,1079,1104]" class="Actinopterygii" family="Macrouridae" genus="Hymenocephalus" kingdom="Animalia" order="Gadiformes" pageId="63" pageNumber="64" phylum="Chordata" rank="species" species="neglectissimus">
<emphasis id="FCE7E232FF8FFFC713699C23E3BEFBA8" box="[361,725,1079,1104]" italics="true" pageId="63" pageNumber="64">Hymenocephalus neglectissimus</emphasis>
</taxonomicName>
is a small species that is characterized by its large orbit size in combination with a long barbel and a narrow infraorbital width and narrow infraorbital supporter. Sazonov &amp; Iwamoto used the sharp edged, short black blotch on the dorsum as a further character to distinguish
<taxonomicName id="099345A3FF8FFFC717819C95E051FB45" authorityName=": Iwamoto &amp; Merrett" authorityYear="1997" class="Actinopterygii" family="Macrouridae" genus="Hymenocephalus" kingdom="Animalia" order="Gadiformes" pageId="63" pageNumber="64" phylum="Chordata" rank="species" species="neglectissimus">
<emphasis id="FCE7E232FF8FFFC717819C95E051FB45" italics="true" pageId="63" pageNumber="64">H. neglectissimus</emphasis>
</taxonomicName>
from the co-occurring
<taxonomicName id="099345A3FF8FFFC7103E9CB1E26DFB45" authorityName="Sazonov &amp; Iwamoto" authorityYear="1992" box="[574,774,1188,1213]" class="Actinopterygii" family="Macrouridae" genus="Hymenocephalus" kingdom="Animalia" order="Gadiformes" pageId="63" pageNumber="64" phylum="Chordata" rank="species" species="semipellucidus">
<emphasis id="FCE7E232FF8FFFC7103E9CB1E26DFB45" box="[574,774,1188,1213]" italics="true" pageId="63" pageNumber="64">H. semipellucidus</emphasis>
</taxonomicName>
(long and eroded outline).
</paragraph>
</subSubSection>
<caption id="9AEC6EA8FF8FFFC712979F87E47AF814" ID-DOI="http://doi.org/10.5281/zenodo.10086489" ID-Zenodo-Dep="10086489" httpUri="https://zenodo.org/record/10086489/files/figure.png" pageId="63" pageNumber="64" startId="63.[151,250,1939,1961]" targetBox="[192,1395,1263,1912]" targetPageId="63">
<paragraph id="CE2C3E20FF8FFFC712979F87E47AF814" blockId="63.[151,1437,1939,2028]" pageId="63" pageNumber="64">
<emphasis id="FCE7E232FF8FFFC712979F87E04BF850" bold="true" box="[151,288,1939,1961]" pageId="63" pageNumber="64">FIGURE 35.</emphasis>
AC:
<taxonomicName id="099345A3FF8FFFC713649F87E3C5F851" authorityName=": Iwamoto &amp; Merrett" authorityYear="1997" box="[356,686,1939,1961]" class="Actinopterygii" family="Macrouridae" genus="Hymenocephalus" kingdom="Animalia" order="Gadiformes" pageId="63" pageNumber="64" phylum="Chordata" rank="species" species="neglectissimus">
<emphasis id="FCE7E232FF8FFFC713649F87E3C5F851" box="[356,686,1939,1961]" italics="true" pageId="63" pageNumber="64">Hymenocephalus neglectissimus</emphasis>
</taxonomicName>
: AC—ZMMGU-P 18221, A—Lateral view of head, B—Dorsal view of head, C—Schematic outline drawing of formalin eroded otolith. DH:
<taxonomicName id="099345A3FF8FFFC711799FA0E5ACF832" authorityName="Sazonov &amp; Iwamoto" authorityYear="1992" box="[889,1223,1972,1994]" class="Actinopterygii" family="Macrouridae" genus="Hymenocephalus" kingdom="Animalia" order="Gadiformes" pageId="63" pageNumber="64" phylum="Chordata" rank="species" species="semipellucidus">
<emphasis id="FCE7E232FF8FFFC711799FA0E5ACF832" box="[889,1223,1972,1994]" italics="true" pageId="63" pageNumber="64">Hymenocephalus semipellucidus</emphasis>
</taxonomicName>
, ZMMGU-P 18205: D—Lateral view of head, E—Anterior view of otolith, F, H—Inner faces of otoliths, G—Ventral view of otolith.
</paragraph>
</caption>
<subSubSection id="86896DABFFF0FFB812C79883E236FDE0" pageId="64" pageNumber="65" type="description">
<paragraph id="CE2C3E20FFF0FFB812C79883E04BFE55" blockId="64.[151,1437,151,573]" pageId="64" pageNumber="65">
<emphasis id="FCE7E232FFF0FFB812C79883E033FF48" bold="true" box="[199,344,151,176]" pageId="64" pageNumber="65">Description.</emphasis>
Head morphology (n = 1) (
<figureCitation id="56A822A5FFF0FFB810909883E270FF48" box="[656,795,151,176]" captionStart="FIGURE 35" captionStartId="63.[151,250,1939,1961]" captionTargetBox="[192,1395,1263,1912]" captionTargetId="figure-448@63.[185,1400,1257,1918]" captionTargetPageId="63" captionText="FIGURE 35. AC: Hymenocephalus neglectissimus: AC—ZMMGU-P 18221, A—Lateral view of head, B—Dorsal view of head, C—Schematic outline drawing of formalin eroded otolith. DH: Hymenocephalus semipellucidus, ZMMGU-P 18205: D—Lateral view of head, E—Anterior view of otolith, F, H—Inner faces of otoliths, G—Ventral view of otolith." figureDoi="http://doi.org/10.5281/zenodo.10086489" httpUri="https://zenodo.org/record/10086489/files/figure.png" pageId="64" pageNumber="65">Fig. 35AB</figureCitation>
): snout short, rounded, not projecting, 1015% HL, orbit diameter very large, 4250% HL, 4455% HL along the longest diameter, slightly obliquely oriented, interorbital width about 4050% HW. Barbel moderately long, 1520% HL (up to 28% HL according to Sazonov &amp; Iwamoto), reaching slightly beyond vertical through anterior margin of orbit. Head canals well developed, infraorbital width 58% HL, supraorbital canal with 4 segments, width 6% HL, supratemporal canal indistinct, above segment 3 of supraorbital canal, preopercular canal width 10% HL, postorbital-preopercular interspace 4% HL. Infranasal supporter short; infraorbital very short and narrow, 25% OD; preopercular supporter short, 4% HL, with straight rear margin.
</paragraph>
<paragraph id="CE2C3E20FFF0FFB812C799A3E236FDE0" blockId="64.[151,1437,151,573]" pageId="64" pageNumber="65">
Otolith morphology (n = 1) (
<figureCitation id="56A822A5FFF0FFB8100B99A3E318FE28" box="[523,627,439,464]" captionStart="FIGURE 35" captionStartId="63.[151,250,1939,1961]" captionTargetBox="[192,1395,1263,1912]" captionTargetId="figure-448@63.[185,1400,1257,1918]" captionTargetPageId="63" captionText="FIGURE 35. AC: Hymenocephalus neglectissimus: AC—ZMMGU-P 18221, A—Lateral view of head, B—Dorsal view of head, C—Schematic outline drawing of formalin eroded otolith. DH: Hymenocephalus semipellucidus, ZMMGU-P 18205: D—Lateral view of head, E—Anterior view of otolith, F, H—Inner faces of otoliths, G—Ventral view of otolith." figureDoi="http://doi.org/10.5281/zenodo.10086489" httpUri="https://zenodo.org/record/10086489/files/figure.png" pageId="64" pageNumber="65">Fig. 35C</figureCitation>
): otolith large; OL:OH = 0.8. No sufficiently well preserved otolith was retrieved from any of the studied specimens. An outline could be reconstructed from one otolith, which has a very compressed shape and a broad, dorsally pointed predorsal lobe.
</paragraph>
</subSubSection>
<subSubSection id="86896DABFFF0FFB812C79A30E456FDC5" box="[199,1341,548,573]" pageId="64" pageNumber="65" type="distribution">
<paragraph id="CE2C3E20FFF0FFB812C79A30E456FDC5" blockId="64.[151,1437,151,573]" box="[199,1341,548,573]" pageId="64" pageNumber="65">
<emphasis id="FCE7E232FFF0FFB812C79A30E032FDC5" bold="true" box="[199,345,548,573]" pageId="64" pageNumber="65">Distribution</emphasis>
(
<figureCitation id="56A822A5FFF0FFB813689A30E0D7FDC5" box="[360,444,548,573]" captionStart="FIGURE 37" captionStartId="66.[151,250,976,998]" captionTargetBox="[158,1430,272,949]" captionTargetId="figure-236@66.[152,1435,265,954]" captionTargetPageId="66" captionText="FIGURE 37. Geographical distribution of Hymenocephalus aeger, H. megalops, H. striatissimus, H. torvus, H. grimaldii, H. neglectissimus, H. semipellucidus, H. sp. 1 and H." figureDoi="http://doi.org/10.5281/zenodo.10086493" httpUri="https://zenodo.org/record/10086493/files/figure.png" pageId="64" pageNumber="65">Fig. 37</figureCitation>
).
<taxonomicName id="099345A3FFF0FFB813D09A30E257FDC5" authorityName=": Iwamoto &amp; Merrett" authorityYear="1997" box="[464,828,548,573]" class="Actinopterygii" family="Macrouridae" genus="Hymenocephalus" kingdom="Animalia" order="Gadiformes" pageId="64" pageNumber="65" phylum="Chordata" rank="species" species="neglectissimus">
<emphasis id="FCE7E232FFF0FFB813D09A30E257FDC5" box="[464,828,548,573]" italics="true" pageId="64" pageNumber="65">Hymenocephalus neglectissimus</emphasis>
</taxonomicName>
is only known from the Sala y Gomez Ridge.
</paragraph>
</subSubSection>
</treatment>
</document>