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<document id="A50FAE48D5DFB20722E5355A7C8D4A4E" ID-CLB-Dataset="7588" ID-DOI="10.5852/ejt.2021.740.1283" ID-GBIF-Dataset="504278d0-5689-4adb-9350-3e97392bfbf0" ID-ISSN="2118-9773" ID-Zenodo-Dep="4643194" ID-ZooBank="07F1B593-9F4F-4B32-88D9-ADC5CA0BEB84" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1617000866870" checkinUser="plazi" docAuthor="Silva-Morales, Itzahí &amp; Gómez-Vásquez, Julio D." docDate="2021" docId="03CA87A4D366803A79E44083FE4D6477" docLanguage="en" docName="ejt-740_77-117.pdf" docOrigin="European Journal of Taxonomy 740 (1)" docSource="http://dx.doi.org/10.5852/ejt.2021.740.1283" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Aspidosiphon (Paraspidosiphon) cutleri Silva-Morales &amp; Gómez-Vásquez 2021, sp. nov." docType="treatment" docVersion="7" lastPageNumber="101" masterDocId="FFF3FFDCD3708022781D441FFFC86728" masterDocTitle="First records and two new species of sipunculans (Sipuncula) from the Southern Mexican Pacific" masterLastPageNumber="117" masterPageNumber="77" pageNumber="99" updateTime="1698935294745" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="1134596008BAE1FC6E583C2B5593D505">First records and two new species of sipunculans (Sipuncula) from the Southern Mexican Pacific</mods:title>
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<mods:namePart id="4EABB511043D0E1A48F066CA23AFBA75">Silva-Morales, Itzahí</mods:namePart>
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<mods:affiliation id="7E90EAA340FDF8968D34C27B309605F3">División de Posgrado, El Colegio de la Frontera Sur, Unidad Chetumal, Quintana Roo, Mexico.</mods:affiliation>
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<mods:namePart id="4FCB84250B33F556C5C79E7E95B5F700">Gómez-Vásquez, Julio D.</mods:namePart>
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<mods:affiliation id="57A9C6978C0A32C10293D393381EB36A">Laboratorio de Sistemática de Invertebrados Marinos (LABSIM), Universidad del Mar campus Puerto Ángel, Ciudad Universitaria, Puerto Ángel, Pochutla, Oaxaca 70902, Mexico.</mods:affiliation>
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<mods:date id="9A688C225A88DD721694281D44B7C6D7">2021</mods:date>
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<treatment id="03CA87A4D366803A79E44083FE4D6477" ID-DOI="http://doi.org/10.5281/zenodo.4643212" ID-GBIF-Taxon="180777744" ID-Zenodo-Dep="4643212" LSID="urn:lsid:plazi:treatment:03CA87A4D366803A79E44083FE4D6477" httpUri="http://treatment.plazi.org/id/03CA87A4D366803A79E44083FE4D6477" lastPageId="24" lastPageNumber="101" pageId="22" pageNumber="99">
<subSubSection id="C3796539D366803479E44083FBF3639F" box="[505,1083,1180,1207]" pageId="22" pageNumber="99" type="nomenclature">
<paragraph id="8BDC36B2D366803479E44083FBF3639F" blockId="22.[357,1230,1180,1277]" box="[505,1083,1180,1207]" pageId="22" pageNumber="99">
<heading id="D09481DED366803479E44083FBF3639F" box="[505,1083,1180,1207]" centered="true" fontSize="11" level="2" pageId="22" pageNumber="99" reason="2">
<taxonomicName id="4C634D31D366803479E44083FC11639F" authority="Silva-Morales &amp; Gómez-Vásquez, 2021" authorityName="Silva-Morales &amp; Gómez-Vásquez" authorityYear="2021" box="[505,985,1180,1207]" class="Phascolosomatidea" family="Aspidosiphonidae" genus="Aspidosiphon" kingdom="Animalia" order="Aspidosiphoniformes" pageId="22" pageNumber="99" phylum="Sipuncula" rank="species" species="cutleri" status="sp. nov." subGenus="Paraspidosiphon">
<emphasis id="B917EAA0D366803479E44083FC11639F" bold="true" box="[505,985,1180,1207]" pageId="22" pageNumber="99">
<emphasis id="B917EAA0D366803479E44083FD56639F" bold="true" box="[505,670,1180,1207]" italics="true" pageId="22" pageNumber="99">Aspidosiphon</emphasis>
(
<emphasis id="B917EAA0D36680347AB34083FCB2639F" bold="true" box="[686,890,1180,1207]" italics="true" pageId="22" pageNumber="99">Paraspidosiphon</emphasis>
)
<emphasis id="B917EAA0D36680347B964083FC11639F" bold="true" box="[907,985,1180,1207]" italics="true" pageId="22" pageNumber="99">cutleri</emphasis>
</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22457DBD36680347BFC4082FBF3639F" box="[993,1083,1181,1207]" pageId="22" pageNumber="99" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3796539D3668034797840A0FC8B63D5" pageId="22" pageNumber="99" type="description">
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urn:lsid:zoobank.org:act:
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<paragraph id="8BDC36B2D36680347AED40FDFC8B63D5" blockId="22.[357,1230,1180,1277]" box="[752,835,1250,1277]" pageId="22" pageNumber="99">
<figureCitation id="13582A37D36680347AED40FDFC8B63D5" box="[752,835,1250,1277]" captionStart="Fig" captionStartId="23.[189,232,1828,1854]" captionTargetBox="[189,1399,265,1795]" captionTargetId="figure-74@23.[189,1399,265,1795]" captionTargetPageId="23" captionText="Fig. 12. Aspidosiphon (Aspidosiphon) cutleri sp. nov., holotype (UMAR-SIPU 082), from the Southern Mexican Pacific. A. External morphology. B. Internal morphology. C. Anal shield, dorsolateral view. D. Anal shield, dorsal view. E. Anal shield, lateral view. F. Distal unidentate hooks. Abbreviations: I = intestine; LM = longitudinal muscle; N = nephridium; RM = retractor muscles." figureDoi="http://doi.org/10.5281/zenodo.4643226" httpUri="https://zenodo.org/record/4643226/files/figure.png" pageId="22" pageNumber="99">Fig. 12</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C3796539D366803478A0413BFABF6244" box="[189,1399,1316,1389]" pageId="22" pageNumber="99" type="etymology">
<paragraph id="8BDC36B2D366803478A0413BFE8C6216" blockId="22.[189,324,1316,1342]" box="[189,324,1316,1342]" pageId="22" pageNumber="99">
<heading id="D09481DED366803478A0413BFE8C6216" bold="true" box="[189,324,1316,1342]" fontSize="11" level="3" pageId="22" pageNumber="99" reason="3">
<emphasis id="B917EAA0D366803478A0413BFE8C6216" bold="true" box="[189,324,1316,1342]" pageId="22" pageNumber="99">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="8BDC36B2D366803478A0414CFABF6244" blockId="22.[189,1399,1362,1389]" box="[189,1399,1362,1389]" pageId="22" pageNumber="99">In memory of Edward Cutler, expert in sipunculans and the principal source of inspiration for this work.</paragraph>
</subSubSection>
<subSubSection id="C3796539D366803478A0418BFE5161EE" pageId="22" pageNumber="99" type="materials_examined">
<paragraph id="8BDC36B2D366803478A0418BFE626286" blockId="22.[189,426,1428,1454]" box="[189,426,1428,1454]" pageId="22" pageNumber="99">
<heading id="D09481DED366803478A0418BFE626286" bold="true" box="[189,426,1428,1454]" fontSize="11" level="3" pageId="22" pageNumber="99" reason="3">
<emphasis id="B917EAA0D366803478A0418BFE626286" bold="true" box="[189,426,1428,1454]" pageId="22" pageNumber="99">Material examined</emphasis>
</heading>
</paragraph>
<paragraph id="8BDC36B2D366803478F741DCFDDD610B" blockId="22.[189,1398,1475,1571]" pageId="22" pageNumber="99">
<materialsCitation id="3B0B3CEFD366803478F741DCFDDD610B" ID-GBIF-Occurrence="3062266373" collectingDate="2013-04-06" country="Mexico" latitude="15.662499" location="Camaron Beach" longLatPrecision="21" longitude="-96.52583" pageId="22" pageNumber="99" specimenCount="1" stateProvince="Oaxaca" typeStatus="holotype">
<emphasis id="B917EAA0D366803478F741DCFE9462F5" bold="true" box="[234,348,1475,1501]" pageId="22" pageNumber="99">
<typeStatus id="54D88810D366803478F741DCFE9462F5" box="[234,348,1475,1501]" pageId="22" pageNumber="99" type="holotype">Holotype</typeStatus>
</emphasis>
<collectingCountry id="F3747622D366803478A041F9FEF96128" box="[189,305,1510,1536]" name="Mexico" pageId="22" pageNumber="99">MEXICO</collectingCountry>
<collectingRegion id="49A7F850D3668034795641F9FE6E6128" box="[331,422,1510,1536]" country="Mexico" name="Oaxaca" pageId="22" pageNumber="99">Oaxaca</collectingRegion>
,
<location id="8EBC6069D366803479AF41F9FDBA6128" LSID="urn:lsid:plazi:treatment:03CA87A4D366803A79E44083FE4D6477:8EBC6069D366803479AF41F9FDBA6128" box="[434,626,1510,1536]" country="Mexico" latitude="15.662499" longLatPrecision="21" longitude="-96.52583" name="Camaron Beach" pageId="22" pageNumber="99" stateProvince="Oaxaca">Camarón Beach</location>
;
<geoCoordinate id="EE575075D36680347A6341FBFCDD6128" box="[638,789,1508,1536]" degrees="15" direction="north" minutes="39" orientation="latitude" pageId="22" pageNumber="99" precision="15" seconds="45" value="15.662499">15°3945″ N</geoCoordinate>
,
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;
<date id="FFDD1072D36680347BD441F9FB9F6128" box="[969,1111,1510,1536]" pageId="22" pageNumber="99" value="2013-04-06">
<collectingDate id="EF99E99AD36680347BD441F9FB9F6128" box="[969,1111,1510,1536]" pageId="22" pageNumber="99" value="2013-04-06">6 Apr. 2013</collectingDate>
</date>
; in dead coral; RXP and VAR leg.; UMAR-SIPU 082.
</materialsCitation>
</paragraph>
<paragraph id="8BDC36B2D366803478F7425CFE5161EE" blockId="22.[189,1398,1603,1734]" pageId="22" pageNumber="99">
<materialsCitation id="3B0B3CEFD366803478F7425CFF21618B" ID-GBIF-Occurrence="3062266317" collectingDate="2016-11-16" collectionCode="JGV" country="Mexico" elevation="2" latitude="15.662499" location="Camaron Beach" longLatPrecision="21" longitude="-96.52583" pageId="22" pageNumber="99" specimenCount="1" stateProvince="Oaxaca" typeStatus="paratype">
<emphasis id="B917EAA0D366803478F7425CFEAF6175" bold="true" box="[234,359,1603,1629]" pageId="22" pageNumber="99">
<typeStatus id="54D88810D366803478F7425CFEAF6175" box="[234,359,1603,1629]" pageId="22" pageNumber="99" type="paratype">Paratypes</typeStatus>
</emphasis>
<collectingCountry id="F3747622D366803478A04279FEF961A8" box="[189,305,1638,1664]" name="Mexico" pageId="22" pageNumber="99">
<collectingRegion id="49A7F850D366803478A04279FEF961A8" box="[189,305,1638,1664]" country="Mexico" name="Mexico" pageId="22" pageNumber="99">MEXICO</collectingRegion>
</collectingCountry>
• 1; same locality as for
<typeStatus id="54D88810D36680347A4D4279FD7261A8" box="[592,698,1638,1664]" pageId="22" pageNumber="99" type="holotype">holotype</typeStatus>
;
<date id="FFDD1072D36680347AD84279FCAE61A8" box="[709,870,1638,1664]" pageId="22" pageNumber="99" value="2016-11-16">
<collectingDate id="EF99E99AD36680347AD84279FCAE61A8" box="[709,870,1638,1664]" pageId="22" pageNumber="99" value="2016-11-16">16 Nov. 2016</collectingDate>
</date>
;
<collectionCode id="ED72AE77D36680347B6F4279FC6F61A8" box="[882,935,1638,1664]" pageId="22" pageNumber="99">JGV</collectionCode>
leg.; depth
<quantity id="4C9B9B57D36680347C2D4279FB9661A8" box="[1072,1118,1638,1664]" metricMagnitude="0" metricUnit="m" metricValue="2.0" pageId="22" pageNumber="99" unit="m" value="2.0">
<elevation id="004ED181D36680347C2D4279FB9661A8" box="[1072,1118,1638,1664]" metricMagnitude="0" metricUnit="m" metricValue="2.0" pageId="22" pageNumber="99" unit="m" value="2.0">2 m</elevation>
</quantity>
, in rocks, UMAR-SIPU 083
</materialsCitation>
<materialsCitation id="3B0B3CEFD366803479194296FE5D61EE" ID-GBIF-Occurrence="3062266363" collectingDate="2018-03-18" country="Mexico" elevation="2" latitude="15.689195" location="San Agustin Bay" longLatPrecision="1" longitude="-96.23641" pageId="22" pageNumber="99" specimenCount="1" stateProvince="Oaxaca" typeStatus="paratype">
1;
<collectingRegion id="49A7F850D3668034793E4296FEB6618B" box="[291,382,1673,1699]" country="Mexico" name="Oaxaca" pageId="22" pageNumber="99">Oaxaca</collectingRegion>
,
<location id="8EBC6069D366803479974296FD9D618C" LSID="urn:lsid:plazi:treatment:03CA87A4D366803A79E44083FE4D6477:8EBC6069D366803479974296FD9D618C" box="[394,597,1673,1700]" country="Mexico" latitude="15.689195" longLatPrecision="1" longitude="-96.23641" name="San Agustin Bay" pageId="22" pageNumber="99" stateProvince="Oaxaca">San Agustin Bay</location>
;
<geoCoordinate id="EE575075D36680347A7F4297FCC7618C" box="[610,783,1672,1700]" degrees="15" direction="north" minutes="41" orientation="latitude" pageId="22" pageNumber="99" precision="1" seconds="21.1" value="15.689195">15°4121.1″ N</geoCoordinate>
,
<geoCoordinate id="EE575075D36680347B064297FC04618C" box="[795,972,1672,1700]" degrees="96" direction="west" minutes="14" orientation="longitude" pageId="22" pageNumber="99" precision="1" seconds="11.1" value="-96.23641">96°1411.1″ W</geoCoordinate>
;
<date id="FFDD1072D36680347BC44296FBB4618B" box="[985,1148,1673,1700]" pageId="22" pageNumber="99" value="2018-03-18">
<collectingDate id="EF99E99AD36680347BC44296FBB4618B" box="[985,1148,1673,1700]" pageId="22" pageNumber="99" value="2018-03-18">18 Mar. 2018</collectingDate>
</date>
; depth
<quantity id="4C9B9B57D36680347CCF4296FACA618C" box="[1234,1282,1673,1700]" metricMagnitude="0" metricUnit="m" metricValue="2.0" pageId="22" pageNumber="99" unit="m" value="2.0">
<elevation id="004ED181D36680347CCF4296FACA618C" box="[1234,1282,1673,1700]" metricMagnitude="0" metricUnit="m" metricValue="2.0" pageId="22" pageNumber="99" unit="m" value="2.0">2 m</elevation>
</quantity>
, in rocks; UMAR-SIPU 107
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C3796539D366803478A042F1FC2860CE" pageId="22" pageNumber="99" type="description">
<paragraph id="8BDC36B2D366803478A042F1FE866020" blockId="22.[189,334,1774,1800]" box="[189,334,1774,1800]" pageId="22" pageNumber="99">
<heading id="D09481DED366803478A042F1FE866020" bold="true" box="[189,334,1774,1800]" fontSize="11" level="3" pageId="22" pageNumber="99" reason="3">
<emphasis id="B917EAA0D366803478A042F1FE866020" bold="true" box="[189,334,1774,1800]" pageId="22" pageNumber="99">Description</emphasis>
</heading>
</paragraph>
<paragraph id="8BDC36B2D366803478A04303FC2860CE" blockId="22.[187,1399,1820,2023]" pageId="22" pageNumber="99">
Trunk
<quantity id="4C9B9B57D366803479174303FE93601F" box="[266,347,1820,1847]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="22" pageNumber="99" unit="mm" value="30.0">30 mm</quantity>
in length, white (
<figureCitation id="13582A37D36680347A384303FD59601E" box="[549,657,1820,1846]" captionStart="Fig" captionStartId="23.[189,232,1828,1854]" captionTargetBox="[189,1399,265,1795]" captionTargetId="figure-74@23.[189,1399,265,1795]" captionTargetPageId="23" captionText="Fig. 12. Aspidosiphon (Aspidosiphon) cutleri sp. nov., holotype (UMAR-SIPU 082), from the Southern Mexican Pacific. A. External morphology. B. Internal morphology. C. Anal shield, dorsolateral view. D. Anal shield, dorsal view. E. Anal shield, lateral view. F. Distal unidentate hooks. Abbreviations: I = intestine; LM = longitudinal muscle; N = nephridium; RM = retractor muscles." figureDoi="http://doi.org/10.5281/zenodo.4643226" httpUri="https://zenodo.org/record/4643226/files/figure.png" pageId="22" pageNumber="99">Fig. 12A</figureCitation>
). Anal and caudal shield brown. Sixteen longitudinal grooves in anal shield. Caudal shield also with grooves (
<figureCitation id="13582A37D36680347ADC4320FC876072" box="[705,847,1855,1882]" captionStart="Fig" captionStartId="23.[189,232,1828,1854]" captionTargetBox="[189,1399,265,1795]" captionTargetId="figure-74@23.[189,1399,265,1795]" captionTargetPageId="23" captionText="Fig. 12. Aspidosiphon (Aspidosiphon) cutleri sp. nov., holotype (UMAR-SIPU 082), from the Southern Mexican Pacific. A. External morphology. B. Internal morphology. C. Anal shield, dorsolateral view. D. Anal shield, dorsal view. E. Anal shield, lateral view. F. Distal unidentate hooks. Abbreviations: I = intestine; LM = longitudinal muscle; N = nephridium; RM = retractor muscles." figureDoi="http://doi.org/10.5281/zenodo.4643226" httpUri="https://zenodo.org/record/4643226/files/figure.png" pageId="22" pageNumber="99">Fig. 12CD</figureCitation>
). Units of anal region distributed in longitudinal lines (
<figureCitation id="13582A37D3668034791F437CFEA36055" box="[258,363,1891,1917]" captionStart="Fig" captionStartId="23.[189,232,1828,1854]" captionTargetBox="[189,1399,265,1795]" captionTargetId="figure-74@23.[189,1399,265,1795]" captionTargetPageId="23" captionText="Fig. 12. Aspidosiphon (Aspidosiphon) cutleri sp. nov., holotype (UMAR-SIPU 082), from the Southern Mexican Pacific. A. External morphology. B. Internal morphology. C. Anal shield, dorsolateral view. D. Anal shield, dorsal view. E. Anal shield, lateral view. F. Distal unidentate hooks. Abbreviations: I = intestine; LM = longitudinal muscle; N = nephridium; RM = retractor muscles." figureDoi="http://doi.org/10.5281/zenodo.4643226" httpUri="https://zenodo.org/record/4643226/files/figure.png" pageId="22" pageNumber="99">Fig. 12E</figureCitation>
). More than 100 rings of unidentate proximal hooks, smaller than distal hooks (
<figureCitation id="13582A37D36680347D1A437CFAA46055" box="[1287,1388,1891,1917]" captionStart="Fig" captionStartId="23.[189,232,1828,1854]" captionTargetBox="[189,1399,265,1795]" captionTargetId="figure-74@23.[189,1399,265,1795]" captionTargetPageId="23" captionText="Fig. 12. Aspidosiphon (Aspidosiphon) cutleri sp. nov., holotype (UMAR-SIPU 082), from the Southern Mexican Pacific. A. External morphology. B. Internal morphology. C. Anal shield, dorsolateral view. D. Anal shield, dorsal view. E. Anal shield, lateral view. F. Distal unidentate hooks. Abbreviations: I = intestine; LM = longitudinal muscle; N = nephridium; RM = retractor muscles." figureDoi="http://doi.org/10.5281/zenodo.4643226" httpUri="https://zenodo.org/record/4643226/files/figure.png" pageId="22" pageNumber="99">Fig. 12F</figureCitation>
) followed by scattered pyramidal hooks. Longitudinal muscles of body wall gathered into anastomosing bands. A pair of retractor muscles, fused for most of their length. Nephridia unilobed, occupying 50% of the trunk. Spindle muscle bifurcated near its anterior end (
<figureCitation id="13582A37D36680347B7A43D3FC1B60CE" box="[871,979,1996,2022]" captionStart="Fig" captionStartId="23.[189,232,1828,1854]" captionTargetBox="[189,1399,265,1795]" captionTargetId="figure-74@23.[189,1399,265,1795]" captionTargetPageId="23" captionText="Fig. 12. Aspidosiphon (Aspidosiphon) cutleri sp. nov., holotype (UMAR-SIPU 082), from the Southern Mexican Pacific. A. External morphology. B. Internal morphology. C. Anal shield, dorsolateral view. D. Anal shield, dorsal view. E. Anal shield, lateral view. F. Distal unidentate hooks. Abbreviations: I = intestine; LM = longitudinal muscle; N = nephridium; RM = retractor muscles." figureDoi="http://doi.org/10.5281/zenodo.4643226" httpUri="https://zenodo.org/record/4643226/files/figure.png" pageId="22" pageNumber="99">Fig. 12B</figureCitation>
).
</paragraph>
</subSubSection>
<caption id="DF1C663AD367803578A0433BFB94608F" ID-DOI="http://doi.org/10.5281/zenodo.4643226" ID-Zenodo-Dep="4643226" httpUri="https://zenodo.org/record/4643226/files/figure.png" pageId="23" pageNumber="100" startId="23.[189,232,1828,1854]" targetBox="[189,1399,265,1795]" targetPageId="23">
<paragraph id="8BDC36B2D367803578A0433BFB94608F" blockId="23.[189,1399,1828,1960]" pageId="23" pageNumber="100">
<emphasis id="B917EAA0D367803578A0433BFED16016" bold="true" box="[189,281,1828,1854]" pageId="23" pageNumber="100">Fig. 12.</emphasis>
<taxonomicName id="4C634D31D3678035793D433BFD066016" authority="Silva-Morales &amp; Gómez-Vásquez, 2021" authorityName="Silva-Morales &amp; Gómez-Vásquez" authorityYear="2021" box="[288,718,1828,1854]" class="Phascolosomatidea" family="Aspidosiphonidae" genus="Aspidosiphon" kingdom="Animalia" order="Aspidosiphoniformes" pageId="23" pageNumber="100" phylum="Sipuncula" rank="species" species="cutleri" status="sp. nov." subGenus="Aspidosiphon">
<emphasis id="B917EAA0D3678035793D433BFE086016" box="[288,448,1828,1854]" italics="true" pageId="23" pageNumber="100">Aspidosiphon</emphasis>
(
<emphasis id="B917EAA0D367803579CC433BFDB96016" box="[465,625,1828,1854]" italics="true" pageId="23" pageNumber="100">Aspidosiphon</emphasis>
)
<emphasis id="B917EAA0D36780357A9C433BFD066016" box="[641,718,1828,1854]" italics="true" pageId="23" pageNumber="100">cutleri</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22457DBD36780357AC8433BFCFA6016" box="[725,818,1828,1854]" pageId="23" pageNumber="100" rank="species">sp. nov.</taxonomicNameLabel>
, holotype (UMAR-SIPU 082), from the Southern Mexican Pacific.
<emphasis id="B917EAA0D367803579934358FE6B6049" bold="true" box="[398,419,1863,1889]" pageId="23" pageNumber="100">A</emphasis>
. External morphology.
<emphasis id="B917EAA0D36780357ADC4358FD1A6049" bold="true" box="[705,722,1863,1889]" pageId="23" pageNumber="100">B</emphasis>
. Internal morphology.
<emphasis id="B917EAA0D36780357BF54358FC336049" bold="true" box="[1000,1019,1863,1889]" pageId="23" pageNumber="100">C</emphasis>
. Anal shield, dorsolateral view.
<emphasis id="B917EAA0D367803578A24375FF1A60AC" bold="true" box="[191,210,1898,1924]" pageId="23" pageNumber="100">D</emphasis>
. Anal shield, dorsal view.
<emphasis id="B917EAA0D36780357A114375FDD760AC" bold="true" box="[524,543,1898,1924]" pageId="23" pageNumber="100">E</emphasis>
. Anal shield, lateral view.
<emphasis id="B917EAA0D36780357B474375FCA360AC" bold="true" box="[858,875,1898,1924]" pageId="23" pageNumber="100">F</emphasis>
. Distal unidentate hooks. Abbreviations: I = intestine; LM = longitudinal muscle; N = nephridium; RM = retractor muscles.
</paragraph>
</caption>
<subSubSection id="C3796539D368803A78A04516FE1665A6" pageId="24" pageNumber="101" type="discussion">
<paragraph id="8BDC36B2D368803A78A04516FEE7660B" blockId="24.[189,303,265,291]" box="[189,303,265,291]" pageId="24" pageNumber="101">
<heading id="D09481DED368803A78A04516FEE7660B" bold="true" box="[189,303,265,291]" fontSize="11" level="3" pageId="24" pageNumber="101" reason="3">
<emphasis id="B917EAA0D368803A78A04516FEE7660B" bold="true" box="[189,303,265,291]" pageId="24" pageNumber="101">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="8BDC36B2D368803A78A04528FE1665A6" blockId="24.[187,1401,311,654]" pageId="24" pageNumber="101">
The species that are most similar to
<taxonomicName id="4C634D31D368803A7A7E4528FBF36679" authority="Silva-Morales &amp; Gómez-Vásquez, 2021" authorityName="Silva-Morales &amp; Gómez-Vásquez" authorityYear="2021" box="[611,1083,311,338]" class="Phascolosomatidea" family="Aspidosiphonidae" genus="Aspidosiphon" kingdom="Animalia" order="Aspidosiphoniformes" pageId="24" pageNumber="101" phylum="Sipuncula" rank="species" species="cutleri" status="sp. nov." subGenus="Paraspidosiphon">
<emphasis id="B917EAA0D368803A7A7E4528FCCB6679" box="[611,771,311,337]" italics="true" pageId="24" pageNumber="101">Aspidosiphon</emphasis>
(
<emphasis id="B917EAA0D368803A7B094528FC146679" box="[788,988,311,337]" italics="true" pageId="24" pageNumber="101">Paraspidosiphon</emphasis>
)
<emphasis id="B917EAA0D368803A7BF34528FBF36679" box="[1006,1083,311,337]" italics="true" pageId="24" pageNumber="101">cutleri</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22457DBD368803A7C5F4527FB54667A" box="[1090,1180,312,338]" pageId="24" pageNumber="101" rank="species">sp. nov.</taxonomicNameLabel>
are
<emphasis id="B917EAA0D368803A7CD34528FB286679" box="[1230,1248,311,337]" italics="true" pageId="24" pageNumber="101">A</emphasis>
.
<taxonomicName id="4C634D31D368803A7CF24528FE5E665D" authority="de Quatrefages, 1865" authorityName="de Quatrefages" authorityYear="1865" class="Phascolosomatidea" family="Aspidosiphonidae" genus="Aspidosiphon" kingdom="Animalia" order="Aspidosiphoniformes" pageId="24" pageNumber="101" phylum="Sipuncula" rank="species" species="coyi" subGenus="Paraspidosiphon">
(
<emphasis id="B917EAA0D368803A7CE54527FAC26679" box="[1272,1290,312,337]" italics="true" pageId="24" pageNumber="101">P</emphasis>
.)
<emphasis id="B917EAA0D368803A7D3E4527FA9C6679" box="[1315,1364,312,337]" italics="true" pageId="24" pageNumber="101">coyi</emphasis>
de
<bibRefCitation id="EFF24B43D368803A78A04545FE5E665D" author="Quatrefages M. A. de" box="[189,406,346,373]" pageId="24" pageNumber="101" refId="ref16589" refString="Quatrefages M. A. de. 1865. Annelides et gephyriens. In: Histoire naturelle des Anneles marins et d'Eau douce. Libraire Encyclopedique de Roret, Paris. Available from https: // www. biodiversitylibrary. org / page / 52110858 [accessed 4 Mar. 2021]." type="url" year="1865">Quatrefages, 1865</bibRefCitation>
</taxonomicName>
, described from the Indian Ocean, and
<emphasis id="B917EAA0D368803A7B7C4544FCBB665D" box="[865,883,347,373]" italics="true" pageId="24" pageNumber="101">A</emphasis>
.
<taxonomicName id="4C634D31D368803A7B9F4545FACD665D" authority="de Quatrefages, 1865" authorityName="de Quatrefages" authorityYear="1865" box="[898,1285,346,373]" class="Phascolosomatidea" family="Aspidosiphonidae" genus="Aspidosiphon" kingdom="Animalia" order="Aspidosiphoniformes" pageId="24" pageNumber="101" phylum="Sipuncula" rank="species" species="laevis" subGenus="Paraspidosiphon">
(
<emphasis id="B917EAA0D368803A7B964544FC55665C" box="[907,925,347,372]" italics="true" pageId="24" pageNumber="101">P</emphasis>
.)
<emphasis id="B917EAA0D368803A7BA14545FBC8665C" box="[956,1024,346,372]" italics="true" pageId="24" pageNumber="101">laevis</emphasis>
de
<bibRefCitation id="EFF24B43D368803A7C364545FACD665D" author="Quatrefages M. A. de" box="[1067,1285,346,373]" pageId="24" pageNumber="101" refId="ref16589" refString="Quatrefages M. A. de. 1865. Annelides et gephyriens. In: Histoire naturelle des Anneles marins et d'Eau douce. Libraire Encyclopedique de Roret, Paris. Available from https: // www. biodiversitylibrary. org / page / 52110858 [accessed 4 Mar. 2021]." type="url" year="1865">Quatrefages, 1865</bibRefCitation>
</taxonomicName>
. The
<typeStatus id="54D88810D368803A7D594544FABF665D" box="[1348,1399,347,373]" pageId="24" pageNumber="101">type</typeStatus>
material of these two species was described by
<bibRefCitation id="EFF24B43D368803A7AFC4562FC0366B0" author="Saiz-Salinas J. I." box="[737,971,381,408]" pageId="24" pageNumber="101" refId="ref16642" refString="Saiz-Salinas J. I. 1983. Redescripcion de los antiguos Tipos de Sipunculidos (Sipuncula) descritos por el Prof. Jean-Louis-Armand de Quatrefages de Breau en 1865 y encontrados en las Colecciones de Laboratorio de los Gusanos del Museo Nacional de Historia Natural de Paris. Dissertation. Universidad del Pais Vaco, Bilbao, Spain." type="book" year="1983">Saiz-Salinas (1983)</bibRefCitation>
. The main differences between these species are the following:
<taxonomicName id="4C634D31D368803A79E945BEFD356692" authorityName="de Quatrefages" authorityYear="1865" box="[500,765,417,443]" class="Phascolosomatidea" family="Aspidosiphonidae" genus="Aspidosiphon" kingdom="Animalia" order="Aspidosiphoniformes" pageId="24" pageNumber="101" phylum="Sipuncula" rank="species" species="coyi" subGenus="Paraspidosiphon">
<emphasis id="B917EAA0D368803A79E945BEFD5C6693" box="[500,660,417,443]" italics="true" pageId="24" pageNumber="101">Aspidosiphon</emphasis>
(
<emphasis id="B917EAA0D368803A7AB845BEFD736692" box="[677,699,417,442]" italics="true" pageId="24" pageNumber="101">P.</emphasis>
)
<emphasis id="B917EAA0D368803A7AD145BEFD356692" box="[716,765,417,442]" italics="true" pageId="24" pageNumber="101">coyi</emphasis>
</taxonomicName>
has bidentate hooks and disperse units in the anterior region of the trunk;
<taxonomicName id="4C634D31D368803A79AC45DBFD5666F6" authorityName="de Quatrefages" authorityYear="1865" box="[433,670,452,478]" class="Phascolosomatidea" family="Aspidosiphonidae" genus="Aspidosiphon" kingdom="Animalia" order="Aspidosiphoniformes" pageId="24" pageNumber="101" phylum="Sipuncula" rank="species" species="laevis">
<emphasis id="B917EAA0D368803A79AC45DBFD5666F6" box="[433,670,452,478]" italics="true" pageId="24" pageNumber="101">Aspidosiphon laevis</emphasis>
</taxonomicName>
lacks bidentate hooks and the units on the anterior region of the trunk are dispersed; nephridiopores are at the same level as the anus in both these species; on the other hand,
<taxonomicName id="4C634D31D368803A79554614FE2D650C" authority="Silva-Morales &amp; Gómez-Vásquez, 2021" authorityName="Silva-Morales &amp; Gómez-Vásquez" authorityYear="2021" box="[328,485,522,549]" class="Phascolosomatidea" family="Aspidosiphonidae" genus="Aspidosiphon" kingdom="Animalia" order="Aspidosiphoniformes" pageId="24" pageNumber="101" phylum="Sipuncula" rank="species" species="cutleri" status="sp. nov." subGenus="Paraspidosiphon">
<emphasis id="B917EAA0D368803A79554614FE2D650C" box="[328,485,522,549]" italics="true" pageId="24" pageNumber="101">A. (P.) cutleri</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22457DBD368803A79F14614FD8F650D" box="[492,583,523,549]" pageId="24" pageNumber="101" rank="species">sp. nov.</taxonomicNameLabel>
only has unidentate hooks and the units are distributed in lines on the anterior region of the trunk; the nephridiopores are posterior to the anus. It is likely that the record of
<emphasis id="B917EAA0D368803A78A0464EFF076543" box="[189,207,593,619]" italics="true" pageId="24" pageNumber="101">A</emphasis>
.
<taxonomicName id="4C634D31D368803A78C1464EFE9A6543" authorityName="de Quatrefages" authorityYear="1865" box="[220,338,593,619]" class="Phascolosomatidea" family="Aspidosiphonidae" genus="Aspidosiphon" kingdom="Animalia" order="Aspidosiphoniformes" pageId="24" pageNumber="101" phylum="Sipuncula" rank="species" species="laevis" subGenus="Paraspidosiphon">
(
<emphasis id="B917EAA0D368803A78F8464EFF3F6542" box="[229,247,593,618]" italics="true" pageId="24" pageNumber="101">P</emphasis>
.)
<emphasis id="B917EAA0D368803A7913464EFE9A6543" box="[270,338,593,619]" italics="true" pageId="24" pageNumber="101">laevis</emphasis>
</taxonomicName>
from
<collectingCountry id="F3747622D368803A798B464EFDDC6543" box="[406,532,593,619]" name="Costa Rica" pageId="24" pageNumber="101">Costa Rica</collectingCountry>
(
<bibRefCitation id="EFF24B43D368803A7A3C464EFD286543" author="Dean H. K. &amp; Sibaja &amp; Cordero J. A. &amp; Cortes J. &amp; Vargas R. &amp; Kawauchi G. Y." box="[545,736,593,619]" pageId="24" pageNumber="101" pagination="60 - 68" refId="ref15142" refString="Dean H. K., Sibaja - Cordero J. A., Cortes J., Vargas R. &amp; Kawauchi G. Y. 2010. Sipunculans and echiurans of Isla del Coco (Cocos Island), Costa Rica. Zootaxa 2557 (1): 60 - 68. https: // doi. org / 10.11646 / zootaxa. 2557.1.6" type="journal article" year="2010">
Dean
<emphasis id="B917EAA0D368803A7A79464EFD5E6543" box="[612,662,593,619]" italics="true" pageId="24" pageNumber="101">et al</emphasis>
. 2010
</bibRefCitation>
) corresponds to this new species; however, it is necessary to review the specimens.
</paragraph>
</subSubSection>
<subSubSection id="C3796539D368803A78A046B2FDDD65DE" box="[189,533,685,759]" pageId="24" pageNumber="101" type="description">
<paragraph id="8BDC36B2D368803A78A046B2FED565EF" blockId="24.[189,285,685,711]" box="[189,285,685,711]" pageId="24" pageNumber="101">
<heading id="D09481DED368803A78A046B2FED565EF" bold="true" box="[189,285,685,711]" fontSize="11" level="3" pageId="24" pageNumber="101" reason="3">
<emphasis id="B917EAA0D368803A78A046B2FED565EF" bold="true" box="[189,285,685,711]" pageId="24" pageNumber="101">Habitat</emphasis>
</heading>
</paragraph>
<paragraph id="8BDC36B2D368803A78A046C3FDDD65DE" blockId="24.[189,533,732,759]" box="[189,533,732,759]" pageId="24" pageNumber="101">
Subtidal (
<quantity id="4C9B9B57D368803A793246C3FEA965DF" box="[303,353,732,759]" metricMagnitude="0" metricUnit="m" metricValue="2.0" pageId="24" pageNumber="101" unit="m" value="2.0">2 m</quantity>
); in dead coral.
</paragraph>
</subSubSection>
<subSubSection id="C3796539D368803A78A04709FE4D6477" box="[189,389,790,863]" pageId="24" pageNumber="101" type="distribution">
<paragraph id="8BDC36B2D368803A78A04709FE9E6418" blockId="24.[189,342,790,816]" box="[189,342,790,816]" pageId="24" pageNumber="101">
<heading id="D09481DED368803A78A04709FE9E6418" bold="true" box="[189,342,790,816]" fontSize="11" level="3" pageId="24" pageNumber="101" reason="3">
<emphasis id="B917EAA0D368803A78A04709FE9E6418" bold="true" box="[189,342,790,816]" pageId="24" pageNumber="101">Distribution</emphasis>
</heading>
</paragraph>
<paragraph id="8BDC36B2D368803A78A0475AFE4D6477" blockId="24.[189,389,837,863]" box="[189,389,837,863]" pageId="24" pageNumber="101">
<collectingRegion id="49A7F850D368803A78A0475AFED06477" box="[189,280,837,863]" country="Mexico" name="Oaxaca" pageId="24" pageNumber="101">Oaxaca</collectingRegion>
,
<collectingCountry id="F3747622D368803A7939475AFE496477" box="[292,385,837,863]" name="Mexico" pageId="24" pageNumber="101">Mexico</collectingCountry>
.
</paragraph>
</subSubSection>
</treatment>
</document>