311 lines
24 KiB
XML
311 lines
24 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1159.102034" ID-Pensoft-Pub="1313-2970-1159-37" ID-Pensoft-UUID="EB91C8A721735E49858DF2F06020AAED" ID-ZooBank="8FEFD7CD4AC1484FACB842A440ADB866" ModsDocID="1313-2970-1159-37" checkinTime="1682458963350" checkinUser="pensoft" docAuthor="Durham, Elizabeth L. & White, Kristine N." docDate="2023" docId="BCECAA455BE157E7B9A283D8562C9053" docLanguage="en" docName="ZooKeys 1159: 37-50" docOrigin="ZooKeys 1159" docPubDate="2023-04-24" docSource="http://dx.doi.org/10.3897/zookeys.1159.102034" docTitle="Synchelidium purpurivitellum Durham & White 2023, sp. nov." docType="treatment" docUuid="117F5F75-7DE0-403D-8C9E-34DCB11C8EC1" docUuidSource="ZooBank" docVersion="1" id="EB91C8A721735E49858DF2F06020AAED" lastPageNumber="37" masterDocId="EB91C8A721735E49858DF2F06020AAED" masterDocTitle="Caribbean Amphipoda (Crustacea) of Panama. Part I: parvorder Oedicerotidira" masterLastPageNumber="50" masterPageNumber="37" pageNumber="37" updateTime="1682458963350" updateUser="pensoft">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Caribbean Amphipoda (Crustacea) of Panama. Part I: parvorder Oedicerotidira</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Durham, Elizabeth L.</mods:namePart>
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<mods:affiliation>Georgia College & State University, Department of Biological and Environmental Sciences, Milledgeville, GA 31061, USA</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>White, Kristine N.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-5203-1656</mods:nameIdentifier>
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<mods:affiliation>Georgia College & State University, Department of Biological and Environmental Sciences, Milledgeville, GA 31061, USA</mods:affiliation>
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<mods:nameIdentifier type="email">kristine.white@gcsu.edu</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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||
<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2023</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2023-04-24</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1159</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>37</mods:start>
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<mods:end>50</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.1159.102034</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1159.102034</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1159-37</mods:identifier>
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<mods:identifier type="ZooBank">8FEFD7CD4AC1484FACB842A440ADB866</mods:identifier>
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||
<mods:identifier type="Pensoft-UUID">EB91C8A721735E49858DF2F06020AAED</mods:identifier>
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||
</mods:mods>
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<treatment LSID="urn:lsid:zoobank.org:act:117F5F75-7DE0-403D-8C9E-34DCB11C8EC1" httpUri="http://treatment.plazi.org/id/BCECAA455BE157E7B9A283D8562C9053" lastPageNumber="37" pageId="0" pageNumber="37">
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<subSubSection pageId="0" pageNumber="37" type="nomenclature">
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<paragraph pageId="0" pageNumber="37">
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<taxonomicName LSID="https://zoobank.org/117F5F75-7DE0-403D-8C9E-34DCB11C8EC1" authority="Durham & White, 2023" authorityName="Durham & White" authorityYear="2023" class="Malacostraca" family="Oedicerotidae" genus="Synchelidium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Synchelidium purpurivitellum" order="Amphipoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="purpurivitellum" status="sp. nov.">Synchelidium purpurivitellum</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="37">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="37" type="description">
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<paragraph pageId="0" pageNumber="37">
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Synchelidium purpurivitellum sp. nov. holotype female, 2.3 mm, habitus; paratype male, 2.0 mm: head, antennae broken. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1159.102034.figure3" httpUri="https://binary.pensoft.net/fig/841937" pageId="0" pageNumber="37">Figs 3</figureCitation>
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Synchelidium purpurivitellum sp. nov. holotype female, 2.3 mm, gnathopods 1 and 2 lateral, G 1 medial palm, left mandible, maxilla 1 and 2; paratype male, 2.0 mm: pereopod 7 (dactyl broken), telson. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1159.102034.figure4" httpUri="https://binary.pensoft.net/fig/841938" pageId="0" pageNumber="37">, 4</figureCitation>
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Synchelidium purpurivitellum sp. nov. holotype female, 2.3 mm, antennae 1 and 2, pereopods 3 and 4, uropods 1 - 3; paratype male, 2.0 mm: maxilliped. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1159.102034.figure5" httpUri="https://binary.pensoft.net/fig/841939" pageId="0" pageNumber="37">, 5</figureCitation>
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Photographs of live specimens A Hartmanodes nyei, male B Synchelidium purpurivitellum sp. nov. female. Scale bar: 1.0 mm." figureDoi="10.3897/zookeys.1159.102034.figure6" httpUri="https://binary.pensoft.net/fig/841940" pageId="0" pageNumber="37">, 6B</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="37" type="type locality">
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<paragraph pageId="0" pageNumber="37">Type locality.</paragraph>
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<paragraph pageId="0" pageNumber="37">
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Bocas del Toro, Panama: Crawl Cay,
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<geoCoordinate degrees="9.2475" direction="north" orientation="latitude" precision="5" value="9.2475">9.2475°N</geoCoordinate>
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,
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<geoCoordinate degrees="82.1290" direction="west" orientation="longitude" precision="5" value="-82.129">82.1290°W</geoCoordinate>
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, depth 5 m, in sand.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="37" type="materials_examined">
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<paragraph pageId="0" pageNumber="37">Material examined.</paragraph>
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<paragraph pageId="0" pageNumber="37">
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<materialsCitation collectingDate="2021-08-12" collectorName="K. N. White" country="Panama" elevation="5" latitude="9.2475" location="Crawl Cay" longLatPrecision="7" longitude="-82.129" specimenCount="1" specimenCount-female="1" stateProvince="Bocas del Toro" typeStatus="Holotype">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="37">
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<typeStatus>Holotype</typeStatus>
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</emphasis>
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:
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<collectingCountry name="Panama">Panama</collectingCountry>
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•
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<specimenCount type="female">1 ♀</specimenCount>
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,
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="2.3" unit="mm" value="2.3">2.3 mm</quantity>
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;
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<collectingRegion country="Panama" name="Bocas del Toro">Bocas del Toro</collectingRegion>
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,
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<location LSID="urn:lsid:plazi:treatment:BCECAA455BE157E7B9A283D8562C9053:7E865B97D5C0F698290225D7C85A0D1F" country="Panama" latitude="9.2475" longLatPrecision="7" longitude="-82.129" name="Crawl Cay" stateProvince="Bocas del Toro">Crawl Cay</location>
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;
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<geoCoordinate degrees="9.2475" direction="north" orientation="latitude" precision="5" value="9.2475">9.2475°N</geoCoordinate>
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,
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<geoCoordinate degrees="82.1290" direction="west" orientation="longitude" precision="5" value="-82.129">82.1290°W</geoCoordinate>
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; depth
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<quantity metricMagnitude="0" metricUnit="m" metricValue="5.0" unit="m" value="5.0">
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<elevation metricMagnitude="0" metricUnit="m" metricValue="5.0" unit="m" value="5.0">5 m</elevation>
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</quantity>
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, in sand;
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<collectingDate value="2021-08-12">12 Aug 2021</collectingDate>
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;
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<collectorName>K.N. White</collectorName>
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leg; USNM 1522429.
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</materialsCitation>
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</paragraph>
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<paragraph pageId="0" pageNumber="37">
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<materialsCitation collectingDate="2023-01-01" collectingDateMax="2023-12-31" collectingDateMin="2023-01-01" country="Panama" location="Panama" specimenCount="1" specimenCount-male="1" typeStatus="Paratypes">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="37">
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<typeStatus>Paratypes</typeStatus>
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</emphasis>
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:
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<collectingCountry name="Panama">Panama</collectingCountry>
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•
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<specimenCount type="male">1 ♂</specimenCount>
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, 2.0 mm; same station data as for preceding; USNM 1522430
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</materialsCitation>
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•
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<materialsCitation collectingDate="2023-01-01" collectingDateMax="2023-12-31" collectingDateMin="2023-01-01" country="Panama" specimenCount="1" specimenCount-female="1" typeStatus="paratype">
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<specimenCount type="female">1 ♀</specimenCount>
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, 2.0 mm; same station data as for preceding; USNM 1522431
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</materialsCitation>
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.
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</paragraph>
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<paragraph pageId="0" pageNumber="37">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="37">Other material</emphasis>
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:
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<materialsCitation collectingDate="2023-01-01" collectingDateMax="2023-12-31" collectingDateMin="2023-01-01" country="Panama" location="Panama" specimenCount="6" specimenCount-female="2" specimenCount-juvenile="3" specimenCount-male="1">
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<collectingCountry name="Panama">Panama</collectingCountry>
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•
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<specimenCount type="female">2 ♀</specimenCount>
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,
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<specimenCount type="male">1 ♂</specimenCount>
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,
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<specimenCount type="juvenile">3 juvenile</specimenCount>
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, same station data as for preceding; USNM 1522432
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="37" type="diagnosis">
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<paragraph pageId="0" pageNumber="37">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="37">
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Gnathopod 1 propodus, palm regularly toothed. Gnathopod 2 propodus slender, 6
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<normalizedToken originalValue="×">x</normalizedToken>
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length of dactyl. Pereopod 3 propodus with anteroproximal margin longer than anterodistal margin, dactylus short, stubby. Coxa 4 posteroventral angle slightly produced. Coxa 6 posteroventral angle narrowly rounded. Pereopod 7 merus with spines on posterior margin slightly shorter than width of article. Epimeron 3 anteroventral margin narrowly produced. Telson thickened dorsoventrally, narrowing distally, apex subtruncate with two medium setae dorsolaterally, two short setae medially.
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</paragraph>
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<caption doi="10.3897/zookeys.1159.102034.figure3" httpUri="https://binary.pensoft.net/fig/841937" pageId="0" pageNumber="37" start="Figure 3" startId="F3">
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<paragraph pageId="0" pageNumber="37">
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<emphasis bold="true" pageId="0" pageNumber="37">Figure 3.</emphasis>
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<taxonomicName authorityName="Durham & White" authorityYear="2023" class="Malacostraca" family="Oedicerotidae" genus="Synchelidium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Synchelidium purpurivitellum" order="Amphipoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="purpurivitellum">
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<emphasis italics="true" pageId="0" pageNumber="37">Synchelidium purpurivitellum</emphasis>
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</taxonomicName>
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sp. nov. holotype female, 2.3 mm, habitus; paratype male, 2.0 mm: head, antennae broken. Scale bars: 0.5 mm.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="37" type="description">
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<paragraph pageId="0" pageNumber="37">Description.</paragraph>
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<paragraph pageId="0" pageNumber="37">
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<emphasis bold="true" pageId="0" pageNumber="37">Female</emphasis>
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(holotype, 2.3 mm).
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<emphasis bold="true" pageId="0" pageNumber="37">
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<emphasis italics="true" pageId="0" pageNumber="37">Head</emphasis>
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.
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</emphasis>
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Rostrum deflexed, reaching ventral margin of head, not surpassing article 1 of antenna 1. Eyes large, covering entire anterior portion of head. Antenna 1 length surpassing peduncle of antenna 2, moderately setose, peduncle segments subequal; flagellum 5-articulate. Antenna 2 is 1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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length of antenna 1, flagellum 5-articulate. Maxilliped, inner plate with four apical setae, outer plate with four or five distomedial, marginal setae. Lower lip, inner lobes rounded, outer lobes with large gape, apically setose. Maxilla 1 outer lobe with five apical plumose setae; palp bi-articulate, with three apical setae. Maxilla 2 inner plate with two apical setae, outer plate with three apical setae. Mandibles similar, incisors dentate; left mandible lacinia mobilis 6-dentate, right mandible lacinia mobilis 4-dentate; four accessory spines; molar process small; palp tri-articulate, article 2 with three setae, article 3 subequal in length with article 1, with two or three setae. Upper lip asymmetrical, apically setose.
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</paragraph>
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<caption doi="10.3897/zookeys.1159.102034.figure4" httpUri="https://binary.pensoft.net/fig/841938" pageId="0" pageNumber="37" start="Figure 4" startId="F4">
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<paragraph pageId="0" pageNumber="37">
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<emphasis bold="true" pageId="0" pageNumber="37">Figure 4.</emphasis>
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<taxonomicName authorityName="Durham & White" authorityYear="2023" class="Malacostraca" family="Oedicerotidae" genus="Synchelidium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Synchelidium purpurivitellum" order="Amphipoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="purpurivitellum">
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<emphasis italics="true" pageId="0" pageNumber="37">Synchelidium purpurivitellum</emphasis>
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</taxonomicName>
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sp. nov. holotype female, 2.3 mm, gnathopods 1 and 2 lateral, G1 medial palm, left mandible, maxilla 1 and 2; paratype male, 2.0 mm: pereopod 7 (dactyl broken), telson. Scale bars: 0.1 mm.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="37">
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<emphasis bold="true" pageId="0" pageNumber="37">
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<emphasis italics="true" pageId="0" pageNumber="37">Pereon</emphasis>
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.
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</emphasis>
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Coxae weakly setose on distal margin; coxae 1-3 subrectangular; coxa 4 subquadrate, slightly produced posterodistally. Gnathopod 1 subchelate; basis with few short setae on anterior margin; merus not expanded; carpal lobe reaching palmar angle, with two distal setae; propodus ovate, palm oblique, regularly toothed, defined by blunt tipped spine; dactylus reaching palmar angle. Gnathopod 2 chelate; basis slender, with one short seta on anterodistal margin; propodus minutely toothed on cutting edge of fixed finger, sparsely setose; total length of dactylus one-sixth of propodus, smooth. Pereopods 3 and 4 bases slender, with long plumose setae on anterodistal and posterodistal margins; propodus with anteroproximal margin longer than anterodistal margin; dactylus short, stout, one-fourth length of propodus. Pereopod 5 basis anterior margin with distally located plumose setae and a single row of medial plumose setae along the midline; propodus subequal to carpus. Pereopod 6 moderately setose; propodus subequal to carpus. Pereopod 7 basis subrectangular, lacking posterodistal lobe, posterior margin lined with short setae; dactylus styliform, at least as long as propodus (broken).
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</paragraph>
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<caption doi="10.3897/zookeys.1159.102034.figure5" httpUri="https://binary.pensoft.net/fig/841939" pageId="0" pageNumber="37" start="Figure 5" startId="F5">
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<paragraph pageId="0" pageNumber="37">
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<emphasis bold="true" pageId="0" pageNumber="37">Figure 5.</emphasis>
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<taxonomicName authorityName="Durham & White" authorityYear="2023" class="Malacostraca" family="Oedicerotidae" genus="Synchelidium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Synchelidium purpurivitellum" order="Amphipoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="purpurivitellum">
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<emphasis italics="true" pageId="0" pageNumber="37">Synchelidium purpurivitellum</emphasis>
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</taxonomicName>
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sp. nov. holotype female, 2.3 mm, antennae 1 and 2, pereopods 3 and 4, uropods 1-3; paratype male, 2.0 mm: maxilliped. Scale bars: 0.1 mm.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="37">
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<emphasis bold="true" pageId="0" pageNumber="37">
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<emphasis italics="true" pageId="0" pageNumber="37">Pleon</emphasis>
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.
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</emphasis>
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Epimera 1-3 margins smooth, bare; epimeron 3, posteroventral margin evenly rounded. Uropod 1, peduncle 1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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length of outer ramus, inner and outer rami subequal in length, inner ramus with one robust marginal seta, outer ramus with four robust setae, inner and outer rami lined with fine setae. Uropod 2 peduncle subequal in length to outer ramus, inner ramus broken, inner ramus with one robust marginal seta, outer ramus with three robust setae, inner and outer rami lined with fine setae. Uropod 3 peduncle 0.3
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<normalizedToken originalValue="×">x</normalizedToken>
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length of outer ramus, inner ramus 1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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length of outer ramus, each ramus with one robust seta, lined with fine setae. Telson thickened dorsoventrally, narrowing distally, apex subtruncate with two medium setae dorsolaterally, two short setae medially.
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</paragraph>
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<caption doi="10.3897/zookeys.1159.102034.figure6" httpUri="https://binary.pensoft.net/fig/841940" pageId="0" pageNumber="37" start="Figure 6" startId="F6">
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<paragraph pageId="0" pageNumber="37">
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<emphasis bold="true" pageId="0" pageNumber="37">Figure 6.</emphasis>
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Photographs of live specimens
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<emphasis bold="true" pageId="0" pageNumber="37">A</emphasis>
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<taxonomicName baseAuthorityName="Shoemaker" baseAuthorityYear="1933" class="Malacostraca" family="Oedicerotidae" genus="Hartmanodes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hartmanodes nyei" order="Amphipoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="nyei">
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<emphasis italics="true" pageId="0" pageNumber="37">Hartmanodes nyei</emphasis>
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</taxonomicName>
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, male
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<emphasis bold="true" pageId="0" pageNumber="37">B</emphasis>
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<taxonomicName authorityName="Durham & White" authorityYear="2023" class="Malacostraca" family="Oedicerotidae" genus="Synchelidium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Synchelidium purpurivitellum" order="Amphipoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="purpurivitellum">
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<emphasis italics="true" pageId="0" pageNumber="37">Synchelidium purpurivitellum</emphasis>
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</taxonomicName>
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sp. nov. female. Scale bar: 1.0 mm.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="37">
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<emphasis bold="true" pageId="0" pageNumber="37">Male</emphasis>
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(paratype, 2.0 mm). Similar in all aspects to the female with the exception of the following: Eye slightly larger; antenna 2 flagellum elongate, at least 0.5
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<normalizedToken originalValue="×">x</normalizedToken>
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body length (broken); gnathopods 1 and 2 bases slightly wider than in female.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="37" type="etymology">
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<paragraph pageId="0" pageNumber="37">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="37">
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After the Latin
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<emphasis italics="true" pageId="0" pageNumber="37">purpur</emphasis>
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, meaning purple and
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<emphasis italics="true" pageId="0" pageNumber="37">vitellum</emphasis>
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, meaning yolk and referring to the striking purple color of the eggs in the brood pouch of females of this species.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="37" type="distribution">
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<paragraph pageId="0" pageNumber="37">Distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="37">Panama: Bocas del Toro (present study).</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="37" type="ecology">
|
||
<paragraph pageId="0" pageNumber="37">Ecology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="37">These amphipods burrow into sand in shallow subtidal habitats.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="37" type="remarks">
|
||
<paragraph pageId="0" pageNumber="37">Remarks.</paragraph>
|
||
<paragraph pageId="0" pageNumber="37">
|
||
<taxonomicName authorityName="Durham & White" authorityYear="2023" class="Malacostraca" family="Oedicerotidae" genus="Synchelidium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Synchelidium purpurivitellum" order="Amphipoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="purpurivitellum">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">Synchelidium purpurivitellum</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. is similar to the geographically close species
|
||
<taxonomicName baseAuthorityName="Bousfield" baseAuthorityYear="1973" class="Malacostraca" family="Oedicerotidae" genus="Americhelidium" kingdom="Animalia" lsidName="Americhelidium americanum" order="Amphipoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="americanum">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">Americhelidium americanum</emphasis>
|
||
</taxonomicName>
|
||
in many aspects, but differs in having a strongly toothed gnathopod 1 propodal palm (smooth in
|
||
<taxonomicName lsidName="A. americanum" pageId="0" pageNumber="37" rank="species" species="americanum">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">A. americanum</emphasis>
|
||
</taxonomicName>
|
||
), a broadly rounded posteroventral corner of epimeron 2 (produced in
|
||
<taxonomicName lsidName="A. americanum" pageId="0" pageNumber="37" rank="species" species="americanum">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">A. americanum</emphasis>
|
||
</taxonomicName>
|
||
), and lacking the posterodistal lobe found on the basis of pereopod 7 in
|
||
<taxonomicName lsidName="A. americanum" pageId="0" pageNumber="37" rank="species" species="americanum">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">A. americanum</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="37">
|
||
Within the genus,
|
||
<taxonomicName authorityName="Durham & White" authorityYear="2023" class="Malacostraca" family="Oedicerotidae" genus="Synchelidium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Synchelidium purpurivitellum" order="Amphipoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="purpurivitellum">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">Synchelidium purpurivitellum</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. is most similar to
|
||
<taxonomicName authorityName="Stebbing" authorityYear="1906" class="Malacostraca" family="Oedicerotidae" genus="Synchelidium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Synchelidium maculatum" order="Amphipoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="maculatum">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">Synchelidium maculatum</emphasis>
|
||
</taxonomicName>
|
||
Stebbing, 1906, sharing the long gnathopod 1 carpus and toothed propodus palm, minute pereopod 3 and 4 dactyls, and rounded posteroventral corner of epimeron 2. It differs from
|
||
<taxonomicName lsidName="S. maculatum" pageId="0" pageNumber="37" rank="species" species="maculatum">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">S. maculatum</emphasis>
|
||
</taxonomicName>
|
||
in having shorter antenna 1 flagellum, subrectangular gnathopod 1 propodus (ovate in
|
||
<taxonomicName lsidName="S. maculatum" pageId="0" pageNumber="37" rank="species" species="maculatum">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">S. maculatum</emphasis>
|
||
</taxonomicName>
|
||
), and subtruncate telson (rounded in
|
||
<taxonomicName lsidName="S. maculatum" pageId="0" pageNumber="37" rank="species" species="maculatum">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">S. maculatum</emphasis>
|
||
</taxonomicName>
|
||
). The subtruncate telson distinguishes
|
||
<taxonomicName lsidName="S. purpurivitellum" pageId="0" pageNumber="37" rank="species" species="purpurivitellum">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">S. purpurivitellum</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. from all other
|
||
<taxonomicName authorityName="Sars" authorityYear="1892" class="Malacostraca" family="Oedicerotidae" genus="Synchelidium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Synchelidium" order="Amphipoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">Synchelidium</emphasis>
|
||
</taxonomicName>
|
||
species, but this character most resembles
|
||
<taxonomicName authorityName="Sars" authorityYear="1892" class="Malacostraca" family="Oedicerotidae" genus="Synchelidium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Synchelidium intermedium" order="Amphipoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="intermedium">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">Synchelidium intermedium</emphasis>
|
||
</taxonomicName>
|
||
Sars, 1892, which has a truncate telson.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |