574 lines
68 KiB
XML
574 lines
68 KiB
XML
<document ID-DOI="10.1080/00222933.2022.2078241" ID-ISSN="1464-5262" ID-Zenodo-Dep="7087076" ID-ZooBank="9DF27EA5-D5DD-4010-9092-CB6BB358E6B7" checkinTime="1663359014606" checkinUser="plazi" docAuthor="Marrón-Becerra, Aurora & Hermoso-Salazar, Margarita" docDate="2022" docId="0207BC208C527B52CBCEFF1C4FBCFB43" docLanguage="en" docName="JNATHIST.56.25-28.1215-1263.pdf" docOrigin="Journal of Natural History 56 (25 - 28)" docSource="http://dx.doi.org/10.1080/00222933.2022.2078241" docStyle="DocumentStyle:3C762F9783B768A90048B82ACD135A62.3:JNatHist.2017-.journal_article.0cover" docStyleId="3C762F9783B768A90048B82ACD135A62" docStyleName="JNatHist.2017-.journal_article.0cover" docStyleVersion="3" docTitle="Hyalella villalobosi Marrón-Becerra & Hermoso-Salazar 2022, sp. nov." docType="treatment" docVersion="3" lastPageNumber="1245" masterDocId="FE3EC4588C4A7B4CCA22FF924F5DFFB1" masterDocTitle="Morphological comparison and description of five new species of Hyalella (Crustacea: Amphipoda) from Veracruz and Mexico City" masterLastPageNumber="1263" masterPageNumber="1215" pageNumber="1239" updateTime="1663786623442" updateUser="jonas" zenodo-license-document="CLOSED">
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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>Morphological comparison and description of five new species of Hyalella (Crustacea: Amphipoda) from Veracruz and Mexico City</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>Marrón-Becerra, Aurora</mods:namePart>
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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>Hermoso-Salazar, Margarita</mods:namePart>
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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>Journal of Natural History</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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||
<mods:detail type="pubDate">
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<mods:number>2022-09-13</mods:number>
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</mods:detail>
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||
<mods:detail type="volume">
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<mods:number>56</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>25 - 28</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1215</mods:start>
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<mods:end>1263</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/10.1080/00222933.2022.2078241</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">10.1080/00222933.2022.2078241</mods:identifier>
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<mods:identifier type="ISSN">1464-5262</mods:identifier>
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||
<mods:identifier type="Zenodo-Dep">7087076</mods:identifier>
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<mods:identifier type="ZooBank">9DF27EA5-D5DD-4010-9092-CB6BB358E6B7</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:0207BC208C527B52CBCEFF1C4FBCFB43" httpUri="http://treatment.plazi.org/id/0207BC208C527B52CBCEFF1C4FBCFB43" lastPageId="30" lastPageNumber="1245" pageId="24" pageNumber="1239">
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||
<subSubSection box="[492,824,142,168]" pageId="24" pageNumber="1239" type="nomenclature">
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||
<paragraph blockId="24.[492,824,142,168]" box="[492,824,142,168]" pageId="24" pageNumber="1239">
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||
<heading box="[492,824,142,168]" centered="true" fontSize="11" level="2" pageId="24" pageNumber="1239" reason="5">
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<taxonomicName authority="Marrón-Becerra & Hermoso-Salazar, 2022" authorityName="Marrón-Becerra & Hermoso-Salazar" authorityYear="2022" box="[492,725,142,168]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="24" pageNumber="1239" phylum="Arthropoda" rank="species" species="villalobosi" status="sp. nov.">
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<emphasis bold="true" box="[492,725,142,168]" italics="true" pageId="24" pageNumber="1239">Hyalella villalobosi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel box="[733,824,142,168]" pageId="24" pageNumber="1239" rank="species">sp. nov.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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||
<subSubSection pageId="24" pageNumber="1239" type="multiple">
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<paragraph blockId="24.[206,1109,195,256]" pageId="24" pageNumber="1239">
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http://www.zoobank.org/
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||
<uri pageId="24" pageNumber="1239">
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||
urn:lsid:zoobank.org:act:
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||
<uuid pageId="24" pageNumber="1239">E4237141-1948-4D18-A6F3 -7AFB6F5592F8</uuid>
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||
</uri>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection box="[567,748,283,309]" pageId="24" pageNumber="1239" type="description">
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||
<paragraph blockId="24.[567,748,283,309]" box="[567,748,283,309]" pageId="24" pageNumber="1239">
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||
(
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<figureCitation box="[575,740,283,309]" captionStart-0="Figure 11" captionStart-1="Figure 12" captionStart-2="Figure 13" captionStartId-0="26.[160,225,1419,1442]" captionStartId-1="28.[160,225,1462,1485]" captionStartId-2="29.[159,224,1180,1203]" captionTargetBox-0="[164,1152,143,1387]" captionTargetBox-1="[166,1152,144,1429]" captionTargetBox-2="[164,1152,143,1148]" captionTargetId-0="figure-55@26.[163,1153,142,1388]" captionTargetId-1="figure-1@28.[163,1153,142,1430]" captionTargetId-2="figure-155@29.[163,1153,142,1149]" captionTargetPageId-0="26" captionTargetPageId-1="28" captionTargetPageId-2="29" captionText-0="Figure 11. Hyalella villalobosi sp. nov. lateral habitus. (a) male holotype, 5.4 mm; (b) antenna 1; (c) antenna 2. Buccal parts: (d) maxilla 1; (e) maxilla 2; (f) upper lip; (g) lower lip; (h) left mandible; (i) right mandible; (j) maxilliped. Scale bars: b–j = 100 µm." captionText-1="Figure 12. Hyalella villalobosi sp. nov. male holotype, 5.4 mm; female paratype, 5.5 mm. (a) male gnathopod 1; (b) male gnathopod 2; (c) female gnathopod 1; (d) female gnathopod 2. Male pereiopods: (e) pereiopod 3; (f) pereiopod 4; (g) pereiopod 5; (h) pereiopod 6; (i) pereiopod 7. Scale bars: 100 µm." captionText-2="Figure 13. Hyalella villalobosi sp. nov. male holotype, 5.4 mm. (a) Uropod 1; (b) uropod 2; (c) uropod 3; (d) telson; (e) pleopod 1. Scale bars: 100 µm." figureDoi-0="http://doi.org/10.5281/zenodo.7087102" figureDoi-1="http://doi.org/10.5281/zenodo.7087104" figureDoi-2="http://doi.org/10.5281/zenodo.7087106" httpUri-0="https://zenodo.org/record/7087102/files/figure.png" httpUri-1="https://zenodo.org/record/7087104/files/figure.png" httpUri-2="https://zenodo.org/record/7087106/files/figure.png" pageId="24" pageNumber="1239">Figures 11–13</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection pageId="24" pageNumber="1239" type="etymology">
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<paragraph blockId="24.[160,1155,373,468]" pageId="24" pageNumber="1239">
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<emphasis bold="true" box="[160,291,373,399]" italics="true" pageId="24" pageNumber="1239">Etymology.</emphasis>
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The new species is named in honour of Dr José Luis Villalobos Hiriart, in recognition of his valuable and outstanding contributions to the marine and freshwater carcinology of
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<collectingCountry box="[327,410,443,468]" name="Mexico" pageId="24" pageNumber="1239">Mexico</collectingCountry>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="24" pageNumber="1239" type="materials_examined">
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<paragraph blockId="24.[160,1156,515,749]" pageId="24" pageNumber="1239">
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<emphasis bold="true" box="[160,397,515,541]" italics="true" pageId="24" pageNumber="1239">Material examined.</emphasis>
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<materialsCitation collectingDate="2015-07-24" collectionCode="CNCR" collectorName="A. Marron-Becerra & E. Lemus-Santana & M. Hermoso-Salazar" country="Mexico" latitude="18.366" location="Lake Catemaco" longLatPrecision="76" longitude="-95.084" pageId="24" pageNumber="1239" specimenCode="CNCR 35729" specimenCount="1" stateProvince="Veracruz de Ignacio de la Llave" typeStatus="holotype">
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<typeStatus box="[412,516,516,541]" pageId="24" pageNumber="1239">Holotype</typeStatus>
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male, size
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<quantity box="[655,745,516,541]" metricMagnitude="-3" metricUnit="m" metricValue="5.4" pageId="24" pageNumber="1239" unit="mm" value="5.4">5.4 mm</quantity>
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||
(
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<collectorName box="[762,858,516,541]" pageId="24" pageNumber="1239">Cat. No.</collectorName>
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<specimenCode box="[869,1018,516,541]" collectionCode="CNCR" pageId="24" pageNumber="1239">CNCR 35729</specimenCode>
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), from
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<location LSID="urn:lsid:plazi:treatment:0207BC208C527B52CBCEFF1C4FBCFB43:8F715BED8C527B54CE6DFD964E4DFDF1" country="Mexico" latitude="18.366" longLatPrecision="76" longitude="-95.084" name="Lake Catemaco" pageId="24" pageNumber="1239" stateProvince="Veracruz de Ignacio de la Llave">Lake Catemaco</location>
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in state of
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<collectingRegion box="[409,508,551,576]" country="Mexico" name="Veracruz de Ignacio de la Llave" pageId="24" pageNumber="1239">Veracruz</collectingRegion>
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,
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<collectingCountry box="[521,601,551,576]" name="Mexico" pageId="24" pageNumber="1239">Mexico</collectingCountry>
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(
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<geoCoordinate box="[616,721,551,576]" degrees="18.366" direction="north" orientation="latitude" pageId="24" pageNumber="1239" precision="55" value="18.366">18.366°N</geoCoordinate>
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,
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<geoCoordinate box="[733,843,551,576]" degrees="95.084" direction="west" orientation="longitude" pageId="24" pageNumber="1239" precision="55" value="-95.084">95.084°W</geoCoordinate>
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),
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||
<date box="[861,1008,551,576]" pageId="24" pageNumber="1239" value="2015-07-24">
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||
<collectingDate box="[861,1008,551,576]" pageId="24" pageNumber="1239" value="2015-07-24">
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24 July
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<quantity box="[951,1008,551,576]" metricMagnitude="6" metricUnit="m" metricValue="2.015337" pageId="24" pageNumber="1239" unit="m" value="2015337.0">2015</quantity>
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</collectingDate>
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</date>
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, 337 m a.s.l., temp. 34°C, pH 7.
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<collectorName box="[382,497,586,611]" pageId="24" pageNumber="1239">Collectors</collectorName>
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:
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<collectorName box="[511,722,586,611]" pageId="24" pageNumber="1239">A. Marrón-Becerra</collectorName>
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, E. Lemus-Santana and
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<collectorName pageId="24" pageNumber="1239">M. HermosoSalazar.</collectorName>
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</materialsCitation>
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<materialsCitation collectingDate="2015-07-24" collectionCode="CNCR" collectorName="Cat. No." country="Mexico" latitude="18.366" location="Lake Catemaco" longLatPrecision="76" longitude="-95.084" pageId="24" pageNumber="1239" specimenCode="CNCR 35739, CNCR 35740" specimenCount="60" specimenCount-female="30" specimenCount-male="30" stateProvince="Veracruz de Ignacio de la Llave" typeStatus="paratype">
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<typeStatus box="[257,367,620,645]" pageId="24" pageNumber="1239">Paratypes</typeStatus>
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(n =
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<specimenCount box="[441,549,620,645]" pageId="24" pageNumber="1239" type="male">30 males</specimenCount>
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, n =
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<specimenCount box="[618,749,620,645]" pageId="24" pageNumber="1239" type="female">30 females</specimenCount>
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): males – mean body total length 5.1 ±
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||
<quantity box="[229,319,655,680]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="24" pageNumber="1239" unit="mm" value="0.5">0.5 mm</quantity>
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||
, mean head length 0.6 ±
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||
<quantity box="[623,724,655,680]" metricMagnitude="-5" metricUnit="m" metricValue="3.0" pageId="24" pageNumber="1239" unit="mm" value="0.03">0.03 mm</quantity>
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||
(n = 27), females – mean body total length 4.5 ±
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||
<quantity box="[309,398,690,715]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="24" pageNumber="1239" unit="mm" value="0.5">0.5 mm</quantity>
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, mean head lenght 0.5 ± 0.04 (n = 30) (permanent slides
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<collectorName box="[1066,1156,690,715]" pageId="24" pageNumber="1239">Cat. No.</collectorName>
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<specimenCode box="[160,301,724,749]" collectionCode="CNCR" pageId="24" pageNumber="1239">CNCR 35739</specimenCode>
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||
,
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<typeStatus box="[312,422,724,749]" pageId="24" pageNumber="1239">paratypes</typeStatus>
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and SEM preparations
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<specimenCode box="[684,827,724,749]" collectionCode="CNCR" pageId="24" pageNumber="1239">CNCR 35740</specimenCode>
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), locality same as holotype
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</materialsCitation>
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||
.
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</paragraph>
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</subSubSection>
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<subSubSection box="[160,1156,796,822]" pageId="24" pageNumber="1239" type="distribution">
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||
<paragraph blockId="24.[160,1156,796,822]" box="[160,1156,796,822]" pageId="24" pageNumber="1239">
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||
<emphasis bold="true" box="[160,437,796,822]" pageId="24" pageNumber="1239">
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||
<emphasis bold="true" box="[160,308,796,822]" italics="true" pageId="24" pageNumber="1239">
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<typeStatus box="[160,216,796,822]" pageId="24" pageNumber="1239">Type</typeStatus>
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locality
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</emphasis>
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(
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<figureCitation box="[323,422,796,822]" captionStart="Figure 1" captionStartId="2.[159,224,1632,1655]" captionTargetBox="[164,1150,1049,1597]" captionTargetId="figure-326@2.[162,1151,1046,1600]" captionTargetPageId="2" captionText="Figure 1. Study area. (a) Mexico City: Lake of Chapultepec, canals of Xochimilco, Lake of Chalco; (b) State of Veracruz: Lake San Julian; (c) State of Veracruz: Lake La Encantada and Lake Catemaco. Triangles represent type localities. The figure was created using QGIS version 3.10.0 and assembled from the data sources (shapefiles) of the Instituto Nacional de Estadísitica y Geografía." figureDoi="http://doi.org/10.5281/zenodo.7087078" httpUri="https://zenodo.org/record/7087078/files/figure.png" pageId="24" pageNumber="1239">Figure 1</figureCitation>
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).
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</emphasis>
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<location LSID="urn:lsid:plazi:treatment:0207BC208C527B52CBCEFF1C4FBCFB43:8F715BED8C527B54CBE4FC8F4D2FFC87" box="[454,626,797,822]" country="Mexico" latitude="18.366" longLatPrecision="76" longitude="-95.084" name="Lake Catemaco" pageId="24" pageNumber="1239" stateProvince="Veracruz de Ignacio de la Llave">Lake Catemaco</location>
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, state of
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<collectingRegion box="[724,823,797,822]" country="Mexico" name="Veracruz de Ignacio de la Llave" pageId="24" pageNumber="1239">Veracruz</collectingRegion>
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,
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<collectingCountry box="[832,912,797,822]" name="Mexico" pageId="24" pageNumber="1239">Mexico</collectingCountry>
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(
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<geoCoordinate box="[924,1028,797,822]" degrees="18.366" direction="north" orientation="latitude" pageId="24" pageNumber="1239" precision="55" value="18.366">18.366°N</geoCoordinate>
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||
,
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<geoCoordinate box="[1037,1147,797,822]" degrees="95.084" direction="west" orientation="longitude" pageId="24" pageNumber="1239" precision="55" value="-95.084">95.084°W</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="24" pageNumber="1239" type="diagnosis">
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<paragraph blockId="24.[160,1156,869,1242]" pageId="24" pageNumber="1239">
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<emphasis bold="true" box="[160,282,869,895]" italics="true" pageId="24" pageNumber="1239">Diagnosis.</emphasis>
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Pleonite 1 and 2 with
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<emphasis bold="true" box="[550,809,870,895]" pageId="24" pageNumber="1239">dorsoposterior carina</emphasis>
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. Coxa 4 excavated posteriorly. Eyes pigmented. Antenna 1 shorter than antenna 2. Antenna 2 less than half body length. Maxilla 1
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<emphasis bold="true" box="[264,556,940,965]" pageId="24" pageNumber="1239">palp short, overreaching</emphasis>
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half of length between base of palp and base of setae in outer plate, with 1 short stout distal seta and setules; inner plate slender with
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<emphasis bold="true" box="[1061,1076,974,999]" pageId="24" pageNumber="1239">3</emphasis>
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||
strong pappose distal setae. Maxilla 2 inner plate with 2 strong pappose setae on inner margin. Gnathopod 1, propodus hammer shaped, palm slope transverse, inner face with
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||
<emphasis bold="true" box="[1141,1156,1044,1069]" pageId="24" pageNumber="1239">2</emphasis>
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||
pappose setae, comb scales on distoposterior and distoanterior border, carpus inner face lobe with
|
||
<emphasis bold="true" box="[336,351,1113,1138]" pageId="24" pageNumber="1239">5</emphasis>
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||
pappose setae. Gnathopod 2, basis hind margin with
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||
<emphasis bold="true" box="[987,1094,1113,1138]" pageId="24" pageNumber="1239">1 medial</emphasis>
|
||
seta, excavation of palm
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||
<emphasis bold="true" box="[377,435,1148,1173]" pageId="24" pageNumber="1239">wide</emphasis>
|
||
. Uropods without curved setae. Uropod 3, peduncle
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||
<emphasis bold="true" box="[1020,1098,1148,1173]" pageId="24" pageNumber="1239">longer</emphasis>
|
||
than ramus, styliform. Telson as long as wide, distal margin
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||
<emphasis bold="true" box="[763,829,1182,1207]" pageId="24" pageNumber="1239">acute</emphasis>
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||
, with 2 long simple
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||
<emphasis bold="true" box="[1052,1155,1182,1207]" pageId="24" pageNumber="1239">apposed</emphasis>
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||
setae. Coxal gills on segments 2–6. Sternal gills on segments 3–7.
|
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</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="30" lastPageNumber="1245" pageId="24" pageNumber="1239" type="description">
|
||
<paragraph blockId="24.[160,1157,1289,1523]" box="[160,294,1289,1315]" pageId="24" pageNumber="1239">
|
||
<emphasis bold="true" box="[160,294,1289,1315]" italics="true" pageId="24" pageNumber="1239">Description</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="24.[160,1157,1289,1523]" pageId="24" pageNumber="1239">
|
||
<emphasis bold="true" box="[160,222,1325,1350]" pageId="24" pageNumber="1239">Body</emphasis>
|
||
(
|
||
<figureCitation box="[242,381,1325,1350]" captionStart="Figure 11" captionStartId="26.[160,225,1419,1442]" captionTargetBox="[164,1152,143,1387]" captionTargetId="figure-55@26.[163,1153,142,1388]" captionTargetPageId="26" captionText="Figure 11. Hyalella villalobosi sp. nov. lateral habitus. (a) male holotype, 5.4 mm; (b) antenna 1; (c) antenna 2. Buccal parts: (d) maxilla 1; (e) maxilla 2; (f) upper lip; (g) lower lip; (h) left mandible; (i) right mandible; (j) maxilliped. Scale bars: b–j = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087102" httpUri="https://zenodo.org/record/7087102/files/figure.png" pageId="24" pageNumber="1239">Figures 11a</figureCitation>
|
||
, and
|
||
<figureCitation box="[452,493,1325,1350]" captionStart="Figure 18" captionStartId="38.[160,225,1375,1398]" captionTargetBox="[163,1150,144,1339]" captionTargetId="figure-36@38.[162,1152,142,1343]" captionTargetPageId="38" captionText="Figure 18. Scanning electron microscopy images. Lateral habitus. Hyalella villalobosi sp. nov. paratypes: (a) male; (b) female, arrow shows the notch for amplexus. Hyalella garyi sp. nov. paratypes: (c) male; (d) female, arrow shows the notch for amplexus; (e) dorsal view of male pleon, showing the absence of mucronations; (f) female, pereonite 2, notch for amplexus." figureDoi="http://doi.org/10.5281/zenodo.7087116" httpUri="https://zenodo.org/record/7087116/files/figure.png" pageId="24" pageNumber="1239">18a</figureCitation>
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), tergites of pleon 1 and 2 with dorsoposterior carina.
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||
<emphasis bold="true" box="[160,348,1359,1384]" pageId="24" pageNumber="1239">Epimeral plates</emphasis>
|
||
1–3 slightly acuminate.
|
||
<emphasis bold="true" box="[629,702,1359,1384]" pageId="24" pageNumber="1239">Coxae</emphasis>
|
||
1–3 (
|
||
<figureCitation box="[768,901,1359,1384]" captionStart="Figure 11" captionStartId="26.[160,225,1419,1442]" captionTargetBox="[164,1152,143,1387]" captionTargetId="figure-55@26.[163,1153,142,1388]" captionTargetPageId="26" captionText="Figure 11. Hyalella villalobosi sp. nov. lateral habitus. (a) male holotype, 5.4 mm; (b) antenna 1; (c) antenna 2. Buccal parts: (d) maxilla 1; (e) maxilla 2; (f) upper lip; (g) lower lip; (h) left mandible; (i) right mandible; (j) maxilliped. Scale bars: b–j = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087102" httpUri="https://zenodo.org/record/7087102/files/figure.png" pageId="24" pageNumber="1239">Figures 11a</figureCitation>
|
||
, and
|
||
<figureCitation box="[966,1006,1359,1384]" captionStart="Figure 18" captionStartId="38.[160,225,1375,1398]" captionTargetBox="[163,1150,144,1339]" captionTargetId="figure-36@38.[162,1152,142,1343]" captionTargetPageId="38" captionText="Figure 18. Scanning electron microscopy images. Lateral habitus. Hyalella villalobosi sp. nov. paratypes: (a) male; (b) female, arrow shows the notch for amplexus. Hyalella garyi sp. nov. paratypes: (c) male; (d) female, arrow shows the notch for amplexus; (e) dorsal view of male pleon, showing the absence of mucronations; (f) female, pereonite 2, notch for amplexus." figureDoi="http://doi.org/10.5281/zenodo.7087116" httpUri="https://zenodo.org/record/7087116/files/figure.png" pageId="24" pageNumber="1239">18a</figureCitation>
|
||
) subequal in shape, subrectangular, longer than wide; coxa 1 shorter than coxae 2–3; coxa 4 wider than coxae 1–3 with deep posterior excavation, acumination absent; coxa 5 with two subequal lobes, anterior lobe slightly shorter than posterior; coxa 6 anterior lobe reduced; coxa 7 anterior lobe absent.
|
||
</paragraph>
|
||
<paragraph blockId="24.[160,1156,1549,1643]" pageId="24" pageNumber="1239">
|
||
<emphasis bold="true" box="[160,223,1549,1574]" pageId="24" pageNumber="1239">Head</emphasis>
|
||
typically gammaridean (
|
||
<figureCitation box="[521,658,1549,1574]" captionStart="Figure 11" captionStartId="26.[160,225,1419,1442]" captionTargetBox="[164,1152,143,1387]" captionTargetId="figure-55@26.[163,1153,142,1388]" captionTargetPageId="26" captionText="Figure 11. Hyalella villalobosi sp. nov. lateral habitus. (a) male holotype, 5.4 mm; (b) antenna 1; (c) antenna 2. Buccal parts: (d) maxilla 1; (e) maxilla 2; (f) upper lip; (g) lower lip; (h) left mandible; (i) right mandible; (j) maxilliped. Scale bars: b–j = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087102" httpUri="https://zenodo.org/record/7087102/files/figure.png" pageId="24" pageNumber="1239">Figures 11a</figureCitation>
|
||
, and
|
||
<figureCitation box="[730,771,1549,1574]" captionStart="Figure 18" captionStartId="38.[160,225,1375,1398]" captionTargetBox="[163,1150,144,1339]" captionTargetId="figure-36@38.[162,1152,142,1343]" captionTargetPageId="38" captionText="Figure 18. Scanning electron microscopy images. Lateral habitus. Hyalella villalobosi sp. nov. paratypes: (a) male; (b) female, arrow shows the notch for amplexus. Hyalella garyi sp. nov. paratypes: (c) male; (d) female, arrow shows the notch for amplexus; (e) dorsal view of male pleon, showing the absence of mucronations; (f) female, pereonite 2, notch for amplexus." figureDoi="http://doi.org/10.5281/zenodo.7087116" httpUri="https://zenodo.org/record/7087116/files/figure.png" pageId="24" pageNumber="1239">18a</figureCitation>
|
||
), shorter than first two thoracic segments, rostrum absent. Eyes pigmented, medium, rounded, located between insertions of antennae 1 and 2.
|
||
</paragraph>
|
||
<paragraph blockId="24.[160,1156,1669,1728]" lastBlockId="25.[160,1156,142,341]" lastPageId="25" lastPageNumber="1240" pageId="24" pageNumber="1239">
|
||
<emphasis bold="true" box="[160,287,1669,1694]" pageId="24" pageNumber="1239">Antenna 1</emphasis>
|
||
(
|
||
<figureCitation box="[304,454,1669,1694]" captionStart="Figure 11" captionStartId="26.[160,225,1419,1442]" captionTargetBox="[164,1152,143,1387]" captionTargetId="figure-55@26.[163,1153,142,1388]" captionTargetPageId="26" captionText="Figure 11. Hyalella villalobosi sp. nov. lateral habitus. (a) male holotype, 5.4 mm; (b) antenna 1; (c) antenna 2. Buccal parts: (d) maxilla 1; (e) maxilla 2; (f) upper lip; (g) lower lip; (h) left mandible; (i) right mandible; (j) maxilliped. Scale bars: b–j = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087102" httpUri="https://zenodo.org/record/7087102/files/figure.png" pageId="24" pageNumber="1239">Figure 11a–b</figureCitation>
|
||
) less than half the body length, shorter than antenna 2, but longer than peduncle of antenna 2, almost reaching to middle of
|
||
<emphasis bold="true" box="[967,1027,1703,1728]" pageId="24" pageNumber="1239">third</emphasis>
|
||
pereonite; peduncle
|
||
<emphasis bold="true" box="[270,348,142,167]" pageId="25" pageNumber="1240">longer</emphasis>
|
||
than head, reaching to middle of length of first pereonite; article 1 and 2 subequal in length, article 1 wider than articles 2–3, article 2 longer and wider than article 3, proportions (
|
||
<emphasis bold="true" box="[334,451,212,237]" pageId="25" pageNumber="1240">1.3:1.26:1</emphasis>
|
||
), article 1 with 3 short setae, 1 smaller, and one cluster with 3 cuspidate setae ventrally at distal end, articles 1–3 mid-ventral margin with slender setae; flagellum longer than peduncle with
|
||
<emphasis bold="true" box="[587,602,281,306]" pageId="25" pageNumber="1240">9</emphasis>
|
||
articles gradually shorter towards distal portion; aesthetascs on flagellum, present on articles
|
||
<emphasis bold="true" box="[666,709,316,341]" pageId="25" pageNumber="1240">2–6</emphasis>
|
||
(one pair),
|
||
<emphasis bold="true" box="[838,881,316,341]" pageId="25" pageNumber="1240">7–8</emphasis>
|
||
(one).
|
||
</paragraph>
|
||
<paragraph blockId="25.[160,1156,366,530]" pageId="25" pageNumber="1240">
|
||
<emphasis bold="true" box="[160,284,366,391]" pageId="25" pageNumber="1240">Antenna 2</emphasis>
|
||
(
|
||
<figureCitation box="[298,441,366,391]" captionStart="Figure 11" captionStartId="26.[160,225,1419,1442]" captionTargetBox="[164,1152,143,1387]" captionTargetId="figure-55@26.[163,1153,142,1388]" captionTargetPageId="26" captionText="Figure 11. Hyalella villalobosi sp. nov. lateral habitus. (a) male holotype, 5.4 mm; (b) antenna 1; (c) antenna 2. Buccal parts: (d) maxilla 1; (e) maxilla 2; (f) upper lip; (g) lower lip; (h) left mandible; (i) right mandible; (j) maxilliped. Scale bars: b–j = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087102" httpUri="https://zenodo.org/record/7087102/files/figure.png" pageId="25" pageNumber="1240">Figure 11a, c</figureCitation>
|
||
) almost
|
||
<emphasis bold="true" box="[538,662,366,391]" pageId="25" pageNumber="1240">1.27 times</emphasis>
|
||
longer than antenna 1,
|
||
<emphasis bold="true" box="[931,1155,366,391]" pageId="25" pageNumber="1240">reaching one-third</emphasis>
|
||
body length, reaching
|
||
<emphasis bold="true" box="[413,489,401,426]" pageId="25" pageNumber="1240">fourth</emphasis>
|
||
pereonite; peduncle
|
||
<emphasis bold="true" box="[727,924,401,426]" pageId="25" pageNumber="1240">reaching second</emphasis>
|
||
pereonite, peduncle articles increase gradually in length and decrease in width; article 3 shorter but wider than 4 and 5, article 4 longer than article 3, article 5 slightly longer than article 4; flagellum with
|
||
<emphasis bold="true" box="[160,218,505,530]" pageId="25" pageNumber="1240">8–10</emphasis>
|
||
articles slightly longer than peduncle (subequal), without aesthetascs.
|
||
</paragraph>
|
||
<paragraph blockId="25.[160,1091,556,581]" box="[160,1091,556,581]" pageId="25" pageNumber="1240">
|
||
<emphasis bold="true" box="[160,307,556,581]" pageId="25" pageNumber="1240">Buccal parts</emphasis>
|
||
: upper lip (
|
||
<figureCitation box="[436,550,556,581]" captionStart="Figure 11" captionStartId="26.[160,225,1419,1442]" captionTargetBox="[164,1152,143,1387]" captionTargetId="figure-55@26.[163,1153,142,1388]" captionTargetPageId="26" captionText="Figure 11. Hyalella villalobosi sp. nov. lateral habitus. (a) male holotype, 5.4 mm; (b) antenna 1; (c) antenna 2. Buccal parts: (d) maxilla 1; (e) maxilla 2; (f) upper lip; (g) lower lip; (h) left mandible; (i) right mandible; (j) maxilliped. Scale bars: b–j = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087102" httpUri="https://zenodo.org/record/7087102/files/figure.png" pageId="25" pageNumber="1240">Figure 11f</figureCitation>
|
||
), distal margin rounded with numerous setules.
|
||
</paragraph>
|
||
<paragraph blockId="25.[160,1155,606,666]" pageId="25" pageNumber="1240">
|
||
<emphasis bold="true" box="[160,274,606,631]" pageId="25" pageNumber="1240">Lower lip</emphasis>
|
||
(
|
||
<figureCitation box="[290,412,606,631]" captionStart="Figure 11" captionStartId="26.[160,225,1419,1442]" captionTargetBox="[164,1152,143,1387]" captionTargetId="figure-55@26.[163,1153,142,1388]" captionTargetPageId="26" captionText="Figure 11. Hyalella villalobosi sp. nov. lateral habitus. (a) male holotype, 5.4 mm; (b) antenna 1; (c) antenna 2. Buccal parts: (d) maxilla 1; (e) maxilla 2; (f) upper lip; (g) lower lip; (h) left mandible; (i) right mandible; (j) maxilliped. Scale bars: b–j = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087102" httpUri="https://zenodo.org/record/7087102/files/figure.png" pageId="25" pageNumber="1240">
|
||
Figure
|
||
<quantity box="[370,412,606,631]" metricMagnitude="-2" metricUnit="kg" metricValue="1.1" pageId="25" pageNumber="1240" unit="g" value="11.0">11g</quantity>
|
||
</figureCitation>
|
||
) subquadrate, outer lobes without notches or excavations; mandibular projection of outer lobes rounded.
|
||
</paragraph>
|
||
<paragraph blockId="25.[160,1156,692,890]" pageId="25" pageNumber="1240">
|
||
<emphasis bold="true" box="[160,284,692,717]" pageId="25" pageNumber="1240">Mandibles</emphasis>
|
||
(
|
||
<figureCitation box="[298,438,692,717]" captionStart="Figure 11" captionStartId="26.[160,225,1419,1442]" captionTargetBox="[164,1152,143,1387]" captionTargetId="figure-55@26.[163,1153,142,1388]" captionTargetPageId="26" captionText="Figure 11. Hyalella villalobosi sp. nov. lateral habitus. (a) male holotype, 5.4 mm; (b) antenna 1; (c) antenna 2. Buccal parts: (d) maxilla 1; (e) maxilla 2; (f) upper lip; (g) lower lip; (h) left mandible; (i) right mandible; (j) maxilliped. Scale bars: b–j = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087102" httpUri="https://zenodo.org/record/7087102/files/figure.png" pageId="25" pageNumber="1240">Figure 11h–i</figureCitation>
|
||
) without palp, asymmetric. Incisor toothed, 6 teeth present. Left lacinia mobilis, with
|
||
<emphasis bold="true" box="[392,407,726,751]" pageId="25" pageNumber="1240">5</emphasis>
|
||
teeth; setal row on left mandible with 3 main pappose setae plus accessory setae. Right mandible with
|
||
<emphasis bold="true" box="[573,588,761,786]" pageId="25" pageNumber="1240">6</emphasis>
|
||
teeth, right lacinia mobilis reduced than left, with 2 pairs of asymmetric L-shape teeth; setal row on right mandible with 2 main pappose setae plus accessory setae and with setulae near molar process. Both molar processes large, cylindrical and triturative, with accessory pappose setae.
|
||
</paragraph>
|
||
<paragraph blockId="25.[160,1155,916,1114]" pageId="25" pageNumber="1240">
|
||
<emphasis bold="true" box="[160,270,916,941]" pageId="25" pageNumber="1240">Maxilla 1</emphasis>
|
||
(
|
||
<figureCitation box="[286,421,916,941]" captionStart="Figure 11" captionStartId="26.[160,225,1419,1442]" captionTargetBox="[164,1152,143,1387]" captionTargetId="figure-55@26.[163,1153,142,1388]" captionTargetPageId="26" captionText="Figure 11. Hyalella villalobosi sp. nov. lateral habitus. (a) male holotype, 5.4 mm; (b) antenna 1; (c) antenna 2. Buccal parts: (d) maxilla 1; (e) maxilla 2; (f) upper lip; (g) lower lip; (h) left mandible; (i) right mandible; (j) maxilliped. Scale bars: b–j = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087102" httpUri="https://zenodo.org/record/7087102/files/figure.png" pageId="25" pageNumber="1240">Figures 11d</figureCitation>
|
||
, and
|
||
<figureCitation box="[485,525,916,941]" captionStart="Figure 19" captionStartId="39.[160,225,1335,1358]" captionTargetBox="[163,1152,142,1304]" captionTargetId="figure-69@39.[163,1152,142,1304]" captionTargetPageId="39" captionText="Figure 19. Scanning electron microscopy images, comparation, paratypes. Maxilla 1 with amplification of plap. (a) Hyalella azteca (De Saussure, 1858); (b) Hyalella sarukhani sp. nov.; (c) Hyalella alvarezi sp. nov., arrow shows the cylindrical structure in the base of distal seta; (d) Hyalella viviannae sp. nov.; (e) Hyalella villalobosi sp. nov. Arrows show the number of setae on the distal margin of inner plate; (f) Hyalella garyi sp. nov." figureDoi="http://doi.org/10.5281/zenodo.7087118" httpUri="https://zenodo.org/record/7087118/files/figure.png" pageId="25" pageNumber="1240">19e</figureCitation>
|
||
), palp vestigial, uniarticulate, longer than wide, distally pointed and with 1 distal stout distal seta (A
|
||
<specimenCount box="[665,740,950,975]" pageId="25" pageNumber="1240" type="generic" typeStatus="type">5 type</specimenCount>
|
||
),
|
||
<emphasis bold="true" box="[758,940,950,975]" pageId="25" pageNumber="1240">setules present</emphasis>
|
||
; palp length
|
||
<emphasis bold="true" pageId="25" pageNumber="1240">overreaches</emphasis>
|
||
half of the distance between base of palp and base of seta on outer plate, or reaching to middle; inner plate slender, shorter than outer plate, with 3–4 pappose distal setae (2 distal and 2 subdistal); outer plate with 9 distal stout serrate setae and with setules.
|
||
</paragraph>
|
||
<paragraph blockId="25.[160,1156,1140,1269]" pageId="25" pageNumber="1240">
|
||
<emphasis bold="true" box="[160,270,1140,1165]" pageId="25" pageNumber="1240">Maxilla 2</emphasis>
|
||
(
|
||
<figureCitation box="[286,406,1140,1165]" captionStart="Figure 11" captionStartId="26.[160,225,1419,1442]" captionTargetBox="[164,1152,143,1387]" captionTargetId="figure-55@26.[163,1153,142,1388]" captionTargetPageId="26" captionText="Figure 11. Hyalella villalobosi sp. nov. lateral habitus. (a) male holotype, 5.4 mm; (b) antenna 1; (c) antenna 2. Buccal parts: (d) maxilla 1; (e) maxilla 2; (f) upper lip; (g) lower lip; (h) left mandible; (i) right mandible; (j) maxilliped. Scale bars: b–j = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087102" httpUri="https://zenodo.org/record/7087102/files/figure.png" pageId="25" pageNumber="1240">Figure 11e</figureCitation>
|
||
) plates subequal; inner plate shorter and slender with
|
||
<emphasis bold="true" box="[1035,1050,1140,1165]" pageId="25" pageNumber="1240">2</emphasis>
|
||
pappose setae on mid-distal inner margin, and with 6 serrulate setae on distal margin; outer plate
|
||
<emphasis bold="true" box="[160,256,1209,1234]" pageId="25" pageNumber="1240">without</emphasis>
|
||
serrate setae but with 2 long pappose setae; outer and inner plates with abundant large simple setae (
|
||
<typeStatus box="[494,545,1244,1269]" pageId="25" pageNumber="1240">type</typeStatus>
|
||
A2) and setules on both distal surfaces and margins.
|
||
</paragraph>
|
||
<paragraph blockId="25.[160,1156,1294,1666]" pageId="25" pageNumber="1240">
|
||
<emphasis bold="true" box="[160,286,1294,1319]" pageId="25" pageNumber="1240">Maxilliped</emphasis>
|
||
(
|
||
<figureCitation box="[303,430,1294,1319]" captionStart="Figure 11" captionStartId="26.[160,225,1419,1442]" captionTargetBox="[164,1152,143,1387]" captionTargetId="figure-55@26.[163,1153,142,1388]" captionTargetPageId="26" captionText="Figure 11. Hyalella villalobosi sp. nov. lateral habitus. (a) male holotype, 5.4 mm; (b) antenna 1; (c) antenna 2. Buccal parts: (d) maxilla 1; (e) maxilla 2; (f) upper lip; (g) lower lip; (h) left mandible; (i) right mandible; (j) maxilliped. Scale bars: b–j = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087102" httpUri="https://zenodo.org/record/7087102/files/figure.png" pageId="25" pageNumber="1240">Figures 11j</figureCitation>
|
||
, and
|
||
<figureCitation box="[497,538,1294,1319]" captionStart="Figure 20" captionStartId="40.[160,225,1335,1358]" captionTargetBox="[163,1152,142,1304]" captionTargetId="figure-85@40.[163,1152,142,1304]" captionTargetPageId="40" captionText="Figure 20. Scanning electron microscopy images, comparison, paratypes. Maxilliped with amplification of fourth article. (a) Hyalella azteca (De Saussure, 1858); (b) Hyalella sarukhani sp. nov.; (c) Hyalella alvarezi sp. nov.; (d) Hyalella viviannae sp. nov.; (e) Hyalella villalobosi sp. nov.; (f) Hyalella garyi sp. nov." figureDoi="http://doi.org/10.5281/zenodo.7087120" httpUri="https://zenodo.org/record/7087120/files/figure.png" pageId="25" pageNumber="1240">20e</figureCitation>
|
||
) inner plate lobe longer than outer plate lobe; distal margin slightly convex; inner plate distal margin with
|
||
<emphasis bold="true" box="[763,778,1329,1354]" pageId="25" pageNumber="1240">3</emphasis>
|
||
cuspidate setae of equal size and with plumose setae, inner margin with several pappose setae; outer plate, inner and distal margins with numerous simple setae. Palp composed of four articles subequal in maximum length; first article with 2 simple setae at the inner distal end and 1 seta at outer distal end; second article with numerous simple setae on inner margin and 1 on outer distal end; third article with several long setae on distal margin, outer margin with 1 simple seta and comb scales, inner margin with 5 setae and 5 at distal end; fourth article unguiform slightly longer than nail, with comb scales, inner margin near distal half with
|
||
<emphasis bold="true" box="[1140,1155,1572,1597]" pageId="25" pageNumber="1240">3</emphasis>
|
||
setae, and
|
||
<emphasis bold="true" box="[288,303,1606,1631]" pageId="25" pageNumber="1240">2</emphasis>
|
||
setae near nail base on outer margin; nail
|
||
<emphasis bold="true" box="[812,1042,1606,1631]" pageId="25" pageNumber="1240">exceeds two-thirds</emphasis>
|
||
of fourth article, with serration at distal half.
|
||
</paragraph>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7087102" ID-Zenodo-Dep="7087102" httpUri="https://zenodo.org/record/7087102/files/figure.png" pageId="26" pageNumber="1241" startId="26.[160,225,1419,1442]" targetBox="[164,1152,143,1387]" targetPageId="26">
|
||
<paragraph blockId="26.[160,1155,1419,1501]" pageId="26" pageNumber="1241">
|
||
<emphasis bold="true" box="[160,265,1419,1442]" pageId="26" pageNumber="1241">Figure 11.</emphasis>
|
||
<taxonomicName authority="Marrón-Becerra & Hermoso-Salazar, 2022" authorityName="Marrón-Becerra & Hermoso-Salazar" authorityYear="2022" box="[273,452,1419,1442]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="26" pageNumber="1241" phylum="Arthropoda" rank="species" species="villalobosi" status="sp. nov.">
|
||
<emphasis box="[273,452,1419,1442]" italics="true" pageId="26" pageNumber="1241">Hyalella villalobosi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[460,539,1419,1442]" pageId="26" pageNumber="1241" rank="species">sp. nov.</taxonomicNameLabel>
|
||
lateral habitus. (a) male holotype, 5.4 mm; (b) antenna 1; (c) antenna 2. Buccal parts: (d) maxilla 1; (e) maxilla 2; (f) upper lip; (g) lower lip; (h) left mandible; (i) right mandible; (j) maxilliped. Scale bars: b–j = 100 µm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph blockId="26.[160,1155,1567,1696]" lastBlockId="27.[160,1155,142,375]" lastPageId="27" lastPageNumber="1242" pageId="26" pageNumber="1241">
|
||
<emphasis bold="true" box="[160,325,1567,1592]" pageId="26" pageNumber="1241">Gnathopod 1</emphasis>
|
||
(
|
||
<figureCitation box="[345,470,1567,1592]" captionStart="Figure 12" captionStartId="28.[160,225,1462,1485]" captionTargetBox="[166,1152,144,1429]" captionTargetId="figure-1@28.[163,1153,142,1430]" captionTargetPageId="28" captionText="Figure 12. Hyalella villalobosi sp. nov. male holotype, 5.4 mm; female paratype, 5.5 mm. (a) male gnathopod 1; (b) male gnathopod 2; (c) female gnathopod 1; (d) female gnathopod 2. Male pereiopods: (e) pereiopod 3; (f) pereiopod 4; (g) pereiopod 5; (h) pereiopod 6; (i) pereiopod 7. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087104" httpUri="https://zenodo.org/record/7087104/files/figure.png" pageId="26" pageNumber="1241">Figure 12a</figureCitation>
|
||
) subchelate, hammer shaped. Basis elongated, maximum length almost
|
||
<emphasis bold="true" box="[323,412,1602,1627]" pageId="26" pageNumber="1241">3 times</emphasis>
|
||
longer than maximum width posterior margin with 2 setae, distal end
|
||
<emphasis bold="true" box="[212,306,1637,1662]" pageId="26" pageNumber="1241">without</emphasis>
|
||
cluster of setae. Ischium short, subquadrate; distal posterior end with one cluster of 2 setae. Merus longer than wide, ventral surface with comb scales; distal margin with 8 setae. Carpus longer than wide, longer than propodus; with strong, short, and wide posterior lobe forming one scoop-like structure open to inside; inner surface with
|
||
<emphasis bold="true" box="[1140,1155,177,202]" pageId="27" pageNumber="1242">5</emphasis>
|
||
serrate setae. Propodus
|
||
<emphasis bold="true" box="[429,652,212,237]" pageId="27" pageNumber="1242">less than 1.5 times</emphasis>
|
||
longer than wide
|
||
<emphasis bold="true" box="[857,998,212,237]" pageId="27" pageNumber="1242">(1.36 times)</emphasis>
|
||
; inner surface near distal margin with
|
||
<emphasis bold="true" box="[432,447,246,271]" pageId="27" pageNumber="1242">2</emphasis>
|
||
serrate setae in one row, distal anterior end with 2 clusters of approximately 8 setae; distal anterior and posterior surfaces with comb scales; palm transverse, posterior distal end with 1 robust seta and cup for dactylus. Dactylus clawlike; nail present; with 1 plumose seta, with comb scales.
|
||
</paragraph>
|
||
<paragraph blockId="27.[160,1156,401,842]" pageId="27" pageNumber="1242">
|
||
<emphasis bold="true" box="[160,319,401,426]" pageId="27" pageNumber="1242">Gnathopod 2</emphasis>
|
||
(
|
||
<figureCitation box="[334,469,401,426]" captionStart="Figure 12" captionStartId="28.[160,225,1462,1485]" captionTargetBox="[166,1152,144,1429]" captionTargetId="figure-1@28.[163,1153,142,1430]" captionTargetPageId="28" captionText="Figure 12. Hyalella villalobosi sp. nov. male holotype, 5.4 mm; female paratype, 5.5 mm. (a) male gnathopod 1; (b) male gnathopod 2; (c) female gnathopod 1; (d) female gnathopod 2. Male pereiopods: (e) pereiopod 3; (f) pereiopod 4; (g) pereiopod 5; (h) pereiopod 6; (i) pereiopod 7. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087104" httpUri="https://zenodo.org/record/7087104/files/figure.png" pageId="27" pageNumber="1242">Figures 12b</figureCitation>
|
||
, and
|
||
<figureCitation box="[530,570,401,426]" captionStart="Figure 21" captionStartId="41.[160,225,1242,1265]" captionTargetBox="[163,1152,142,1210]" captionTargetId="figure-65@41.[163,1152,142,1210]" captionTargetPageId="41" captionText="Figure 21. Scanning electron microscopy images, comparison, paratypes. Gnathopod 2 of male. (a) Hyalella azteca (De Saussure, 1858), view of the outer face; (b) Hyalella sarukhani sp. nov., view of the inner face; (c) Hyalella alvarezi sp. nov., view of the outer face with deail of comb scales on basis; (d) Hyalella viviannae sp. nov., view of the outer face; (e) Hyalella villalobosi sp. nov., view of the inner face; (f) Hyalella garyi sp. nov. view of the outer face." figureDoi="http://doi.org/10.5281/zenodo.7087122" httpUri="https://zenodo.org/record/7087122/files/figure.png" pageId="27" pageNumber="1242">21e</figureCitation>
|
||
) subchelated; palm slightly oblique. Basis elongate,
|
||
<emphasis bold="true" box="[160,383,436,461]" pageId="27" pageNumber="1242">more than 3 times</emphasis>
|
||
longer than wide;
|
||
<emphasis bold="true" box="[600,917,436,461]" pageId="27" pageNumber="1242">posterior margin with 0–1</emphasis>
|
||
medial seta. Ischium short, subquadrate, shorter than merus. Merus short, posterior margin with 8 simple setae,
|
||
<emphasis bold="true" box="[160,793,505,530]" pageId="27" pageNumber="1242">posterior inner and outer surfaces with comb scales</emphasis>
|
||
. Carpus shorter than propodus; anterodistal end with 6 setae; posterior lobe scoop-like, elongate, length similar to
|
||
<emphasis bold="true" pageId="27" pageNumber="1242">merus maximum length, almost 1.5 times</emphasis>
|
||
width of merus, with several submarginal pappose setae and comb scales. Propodus robust, almost
|
||
<emphasis bold="true" box="[722,834,609,634]" pageId="27" pageNumber="1242">1.5 times</emphasis>
|
||
as long as wide, subrectangular; palm similar length to or slightly longer than posterior margin; slope slightly irregular,
|
||
<emphasis bold="true" box="[269,1012,678,703]" pageId="27" pageNumber="1242">with several long simple setae, and some short and medium</emphasis>
|
||
setae; distal margin of palm with one truncated process near insertion of dactylus, and with
|
||
<emphasis bold="true" box="[1098,1156,713,738]" pageId="27" pageNumber="1242">wide</emphasis>
|
||
posterior excavation at base (
|
||
<figureCitation box="[496,616,748,773]" captionStart="Figure 22" captionStartId="42.[160,225,1335,1358]" captionTargetBox="[163,1152,142,1304]" captionTargetId="figure-89@42.[163,1152,142,1304]" captionTargetPageId="42" captionText="Figure 22. Scanning electron microscopy images, comparison, paratypes. Palm, gnathopod 2 of male; arrows show presence or absence of excavation near truncated process in the palm. (a) Hyalella azteca (De Saussure, 1858); (b) Hyalella sarukhani sp. nov.; (c) Hyalella alvarezi sp. nov.; (d) Hyalella viviannae sp. nov.; (e) Hyalella villalobosi sp. nov.; (f) Hyalella garyi sp. nov." figureDoi="http://doi.org/10.5281/zenodo.7087124" httpUri="https://zenodo.org/record/7087124/files/figure.png" pageId="27" pageNumber="1242">Figure 22e</figureCitation>
|
||
); palm posterior distal end with 2 strong setae, comb scales and cup for the dactylus. Dactylus claw-like, congruent with palm without comb scales; outer margin with 1 plumose seta; inner margin crenulated, with setules.
|
||
</paragraph>
|
||
<paragraph blockId="27.[160,1155,868,927]" pageId="27" pageNumber="1242">
|
||
<emphasis bold="true" box="[160,288,868,893]" pageId="27" pageNumber="1242">Pereopods</emphasis>
|
||
3–7 (
|
||
<figureCitation box="[355,497,868,893]" captionStart="Figure 12" captionStartId="28.[160,225,1462,1485]" captionTargetBox="[166,1152,144,1429]" captionTargetId="figure-1@28.[163,1153,142,1430]" captionTargetPageId="28" captionText="Figure 12. Hyalella villalobosi sp. nov. male holotype, 5.4 mm; female paratype, 5.5 mm. (a) male gnathopod 1; (b) male gnathopod 2; (c) female gnathopod 1; (d) female gnathopod 2. Male pereiopods: (e) pereiopod 3; (f) pereiopod 4; (g) pereiopod 5; (h) pereiopod 6; (i) pereiopod 7. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087104" httpUri="https://zenodo.org/record/7087104/files/figure.png" pageId="27" pageNumber="1242">Figure 12e–i</figureCitation>
|
||
) simple, gradually longer posteriorly. Pereopod 5 slightly shorter than 4 and 6.
|
||
</paragraph>
|
||
<paragraph blockId="27.[160,1156,953,1221]" pageId="27" pageNumber="1242">
|
||
<emphasis bold="true" box="[160,304,953,978]" pageId="27" pageNumber="1242">Pereopod 3</emphasis>
|
||
(
|
||
<figureCitation box="[323,447,953,978]" captionStart="Figure 12" captionStartId="28.[160,225,1462,1485]" captionTargetBox="[166,1152,144,1429]" captionTargetId="figure-1@28.[163,1153,142,1430]" captionTargetPageId="28" captionText="Figure 12. Hyalella villalobosi sp. nov. male holotype, 5.4 mm; female paratype, 5.5 mm. (a) male gnathopod 1; (b) male gnathopod 2; (c) female gnathopod 1; (d) female gnathopod 2. Male pereiopods: (e) pereiopod 3; (f) pereiopod 4; (g) pereiopod 5; (h) pereiopod 6; (i) pereiopod 7. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087104" httpUri="https://zenodo.org/record/7087104/files/figure.png" pageId="27" pageNumber="1242">Figure 12e</figureCitation>
|
||
) basis elongate; mid-posterior margin
|
||
<emphasis bold="true" box="[911,1006,953,978]" pageId="27" pageNumber="1242">without</emphasis>
|
||
simple seta.
|
||
<emphasis bold="true" box="[160,234,988,1013]" pageId="27" pageNumber="1242">Merus</emphasis>
|
||
anterior margin almost at half with 1 seta; posterior margin with 3 long simple setae; anterodistal and posterodistal ends with one cluster of 4 and 7 setae, respectively. Carpus slightly shorter and slenderer than merus; posterior margin with
|
||
<emphasis bold="true" box="[960,975,1057,1082]" pageId="27" pageNumber="1242">2</emphasis>
|
||
stout setae plus accessory setae; posterodistal end with at least 7 slender setae, anterodistal end with at least 6 setae. Propodus, slenderer than carpus; posterior margin with 3 stout setae; anterodistal end with 5 simple setae. Dactylus claw-like; length less than half of propodus; nail present.
|
||
</paragraph>
|
||
<paragraph blockId="27.[160,1156,1246,1341]" pageId="27" pageNumber="1242">
|
||
<emphasis bold="true" box="[160,299,1246,1271]" pageId="27" pageNumber="1242">Pereopod 4</emphasis>
|
||
(
|
||
<figureCitation box="[313,427,1246,1271]" captionStart="Figure 12" captionStartId="28.[160,225,1462,1485]" captionTargetBox="[166,1152,144,1429]" captionTargetId="figure-1@28.[163,1153,142,1430]" captionTargetPageId="28" captionText="Figure 12. Hyalella villalobosi sp. nov. male holotype, 5.4 mm; female paratype, 5.5 mm. (a) male gnathopod 1; (b) male gnathopod 2; (c) female gnathopod 1; (d) female gnathopod 2. Male pereiopods: (e) pereiopod 3; (f) pereiopod 4; (g) pereiopod 5; (h) pereiopod 6; (i) pereiopod 7. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087104" httpUri="https://zenodo.org/record/7087104/files/figure.png" pageId="27" pageNumber="1242">Figure 12f</figureCitation>
|
||
) similar in shape to pereopod 3 but slightly longer; coxa 4 wider than coxa 3 with posterior excavation; basis posterior margin
|
||
<emphasis bold="true" box="[848,942,1281,1306]" pageId="27" pageNumber="1242">without</emphasis>
|
||
simple seta; merus mid-anterior margin without setae; propodus posterior margin with 3 stout setae.
|
||
</paragraph>
|
||
<paragraph blockId="27.[160,1156,1366,1565]" pageId="27" pageNumber="1242">
|
||
<emphasis bold="true" box="[160,339,1366,1391]" pageId="27" pageNumber="1242">Pereopods 5–7</emphasis>
|
||
(
|
||
<figureCitation box="[355,497,1366,1391]" captionStart="Figure 12" captionStartId="28.[160,225,1462,1485]" captionTargetBox="[166,1152,144,1429]" captionTargetId="figure-1@28.[163,1153,142,1430]" captionTargetPageId="28" captionText="Figure 12. Hyalella villalobosi sp. nov. male holotype, 5.4 mm; female paratype, 5.5 mm. (a) male gnathopod 1; (b) male gnathopod 2; (c) female gnathopod 1; (d) female gnathopod 2. Male pereiopods: (e) pereiopod 3; (f) pereiopod 4; (g) pereiopod 5; (h) pereiopod 6; (i) pereiopod 7. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087104" httpUri="https://zenodo.org/record/7087104/files/figure.png" pageId="27" pageNumber="1242">
|
||
Figure
|
||
<quantity box="[434,480,1366,1391]" metricMagnitude="-2" metricUnit="kg" metricValue="1.2" pageId="27" pageNumber="1242" unit="g" value="12.0">12g</quantity>
|
||
–i
|
||
</figureCitation>
|
||
) similar in shape; basis posterior lobe rounded and denticulated. Pereopod 7 (
|
||
<figureCitation box="[396,508,1401,1426]" captionStart="Figure 12" captionStartId="28.[160,225,1462,1485]" captionTargetBox="[166,1152,144,1429]" captionTargetId="figure-1@28.[163,1153,142,1430]" captionTargetPageId="28" captionText="Figure 12. Hyalella villalobosi sp. nov. male holotype, 5.4 mm; female paratype, 5.5 mm. (a) male gnathopod 1; (b) male gnathopod 2; (c) female gnathopod 1; (d) female gnathopod 2. Male pereiopods: (e) pereiopod 3; (f) pereiopod 4; (g) pereiopod 5; (h) pereiopod 6; (i) pereiopod 7. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087104" httpUri="https://zenodo.org/record/7087104/files/figure.png" pageId="27" pageNumber="1242">Figure 12i</figureCitation>
|
||
) basis lobe widely expanded,
|
||
<emphasis bold="true" box="[839,997,1401,1426]" pageId="27" pageNumber="1242">overreaching</emphasis>
|
||
ischium distal margin; basis lobe width
|
||
<emphasis bold="true" box="[441,549,1436,1461]" pageId="27" pageNumber="1242">1.7 times</emphasis>
|
||
as wide as basis (measured at cleft between basis and basis lobe); posterior margin with
|
||
<emphasis bold="true" box="[548,578,1470,1495]" pageId="27" pageNumber="1242">13</emphasis>
|
||
serrations with setules and
|
||
<emphasis bold="true" box="[896,1118,1470,1495]" pageId="27" pageNumber="1242">without stout seta</emphasis>
|
||
on distal margin; anterior margin with 2 stout setae and one cluster of 2 setae at distal end. Dactylus length almost
|
||
<emphasis bold="true" box="[426,538,1540,1565]" pageId="27" pageNumber="1242">one-third</emphasis>
|
||
of propodus length.
|
||
</paragraph>
|
||
<paragraph blockId="27.[160,1156,1590,1685]" pageId="27" pageNumber="1242">
|
||
<emphasis bold="true" box="[160,271,1590,1615]" pageId="27" pageNumber="1242">Pleopods</emphasis>
|
||
1–3 (
|
||
<figureCitation box="[331,448,1590,1615]" captionStart="Figure 13" captionStartId="29.[159,224,1180,1203]" captionTargetBox="[164,1152,143,1148]" captionTargetId="figure-155@29.[163,1153,142,1149]" captionTargetPageId="29" captionText="Figure 13. Hyalella villalobosi sp. nov. male holotype, 5.4 mm. (a) Uropod 1; (b) uropod 2; (c) uropod 3; (d) telson; (e) pleopod 1. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087106" httpUri="https://zenodo.org/record/7087106/files/figure.png" pageId="27" pageNumber="1242">Figure 13e</figureCitation>
|
||
) not modified, biramous, elongated, rami multi-annulated, with numerous plumose setae; pleopod 1, inner margin of peduncle at distal end with 2 short retinacula (coupling hooks).
|
||
</paragraph>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7087104" ID-Zenodo-Dep="7087104" httpUri="https://zenodo.org/record/7087104/files/figure.png" pageId="28" pageNumber="1243" startId="28.[160,225,1462,1485]" targetBox="[166,1152,144,1429]" targetPageId="28">
|
||
<paragraph blockId="28.[160,1155,1462,1573]" pageId="28" pageNumber="1243">
|
||
<emphasis bold="true" box="[160,265,1462,1485]" pageId="28" pageNumber="1243">Figure 12.</emphasis>
|
||
<taxonomicName authority="Marrón-Becerra & Hermoso-Salazar, 2022" authorityName="Marrón-Becerra & Hermoso-Salazar" authorityYear="2022" box="[275,455,1462,1485]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="28" pageNumber="1243" phylum="Arthropoda" rank="species" species="villalobosi" status="sp. nov.">
|
||
<emphasis box="[275,455,1462,1485]" italics="true" pageId="28" pageNumber="1243">Hyalella villalobosi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[464,544,1462,1485]" pageId="28" pageNumber="1243" rank="species">sp. nov.</taxonomicNameLabel>
|
||
male holotype, 5.4 mm; female paratype, 5.5 mm. (a) male gnathopod 1; (b) male gnathopod 2; (c) female gnathopod 1; (d) female gnathopod 2. Male pereiopods: (e) pereiopod 3; (f) pereiopod 4; (g) pereiopod 5; (h) pereiopod 6; (i) pereiopod 7. Scale bars: 100 µm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7087106" ID-Zenodo-Dep="7087106" httpUri="https://zenodo.org/record/7087106/files/figure.png" pageId="29" pageNumber="1244" startId="29.[159,224,1180,1203]" targetBox="[164,1152,143,1148]" targetPageId="29">
|
||
<paragraph blockId="29.[159,1156,1180,1233]" pageId="29" pageNumber="1244">
|
||
<emphasis bold="true" box="[159,262,1180,1203]" pageId="29" pageNumber="1244">Figure 13.</emphasis>
|
||
<taxonomicName authority="Marrón-Becerra & Hermoso-Salazar, 2022" authorityName="Marrón-Becerra & Hermoso-Salazar" authorityYear="2022" box="[267,444,1180,1203]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="29" pageNumber="1244" phylum="Arthropoda" rank="species" species="villalobosi" status="sp. nov.">
|
||
<emphasis box="[267,444,1180,1203]" italics="true" pageId="29" pageNumber="1244">Hyalella villalobosi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[449,525,1180,1203]" pageId="29" pageNumber="1244" rank="species">sp. nov.</taxonomicNameLabel>
|
||
male holotype, 5.4 mm. (a) Uropod 1; (b) uropod 2; (c) uropod 3; (d) telson; (e) pleopod 1. Scale bars: 100 µm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph blockId="29.[160,1155,1322,1451]" pageId="29" pageNumber="1244">
|
||
<emphasis bold="true" box="[160,274,1322,1347]" pageId="29" pageNumber="1244">Uropod 1</emphasis>
|
||
(
|
||
<figureCitation box="[290,409,1322,1347]" captionStart="Figure 13" captionStartId="29.[159,224,1180,1203]" captionTargetBox="[164,1152,143,1148]" captionTargetId="figure-155@29.[163,1153,142,1149]" captionTargetPageId="29" captionText="Figure 13. Hyalella villalobosi sp. nov. male holotype, 5.4 mm. (a) Uropod 1; (b) uropod 2; (c) uropod 3; (d) telson; (e) pleopod 1. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087106" httpUri="https://zenodo.org/record/7087106/files/figure.png" pageId="29" pageNumber="1244">Figure 13a</figureCitation>
|
||
) longer than uropod 2; peduncle longer than rami, dorsal margin
|
||
<emphasis bold="true" box="[160,319,1357,1382]" pageId="29" pageNumber="1244">with 2 dorsal</emphasis>
|
||
setae, inner and outer distal ends each with 1 seta; rami subequal, inner ramus slightly longer, with
|
||
<emphasis bold="true" box="[465,780,1391,1416]" pageId="29" pageNumber="1244">2 dorsal and 5 distal setae</emphasis>
|
||
; outer ramus
|
||
<emphasis bold="true" box="[935,1010,1391,1416]" pageId="29" pageNumber="1244">with 2</emphasis>
|
||
dorsal and 3 distal setae; male
|
||
<emphasis bold="true" box="[361,545,1426,1451]" pageId="29" pageNumber="1244">without curved</emphasis>
|
||
setae on inner ramus.
|
||
</paragraph>
|
||
<paragraph blockId="29.[160,1155,1477,1571]" pageId="29" pageNumber="1244">
|
||
<emphasis bold="true" box="[160,275,1477,1502]" pageId="29" pageNumber="1244">Uropod 2</emphasis>
|
||
(
|
||
<figureCitation box="[291,413,1477,1502]" captionStart="Figure 13" captionStartId="29.[159,224,1180,1203]" captionTargetBox="[164,1152,143,1148]" captionTargetId="figure-155@29.[163,1153,142,1149]" captionTargetPageId="29" captionText="Figure 13. Hyalella villalobosi sp. nov. male holotype, 5.4 mm. (a) Uropod 1; (b) uropod 2; (c) uropod 3; (d) telson; (e) pleopod 1. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087106" httpUri="https://zenodo.org/record/7087106/files/figure.png" pageId="29" pageNumber="1244">Figure 13b</figureCitation>
|
||
)
|
||
<emphasis bold="true" box="[430,553,1477,1502]" pageId="29" pageNumber="1244">as long as</emphasis>
|
||
peduncle of uropod 1; peduncle
|
||
<emphasis bold="true" box="[939,1026,1477,1502]" pageId="29" pageNumber="1244">shorter</emphasis>
|
||
than outer rami, with
|
||
<emphasis bold="true" box="[277,292,1511,1536]" pageId="29" pageNumber="1244">1</emphasis>
|
||
dorsal seta and 1 seta at distal end; rami subequal, inner ramus slightly longer with 2 dorsal and
|
||
<emphasis bold="true" box="[364,379,1546,1571]" pageId="29" pageNumber="1244">6</emphasis>
|
||
distal setae, outer ramus with 2 dorsal and
|
||
<emphasis bold="true" box="[873,888,1546,1571]" pageId="29" pageNumber="1244">4</emphasis>
|
||
distal setae.
|
||
</paragraph>
|
||
<paragraph blockId="29.[159,1155,1596,1691]" lastBlockId="30.[159,1154,142,202]" lastPageId="30" lastPageNumber="1245" pageId="29" pageNumber="1244">
|
||
<emphasis bold="true" box="[160,272,1596,1621]" pageId="29" pageNumber="1244">Uropod 3</emphasis>
|
||
(
|
||
<figureCitation box="[288,415,1596,1621]" captionStart="Figure 13" captionStartId="29.[159,224,1180,1203]" captionTargetBox="[164,1152,143,1148]" captionTargetId="figure-155@29.[163,1153,142,1149]" captionTargetPageId="29" captionText="Figure 13. Hyalella villalobosi sp. nov. male holotype, 5.4 mm. (a) Uropod 1; (b) uropod 2; (c) uropod 3; (d) telson; (e) pleopod 1. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087106" httpUri="https://zenodo.org/record/7087106/files/figure.png" pageId="29" pageNumber="1244">Figures 13c</figureCitation>
|
||
, and
|
||
<figureCitation box="[476,517,1596,1621]" captionStart="Figure 23" captionStartId="43.[160,225,1271,1294]" captionTargetBox="[163,1152,142,1239]" captionTargetId="figure-118@43.[163,1152,142,1239]" captionTargetPageId="43" captionText="Figure 23. Scanning electron microscopy images, comparison, paratypes. Uropod 3, lateral view. (a) Hyalella azteca (De Saussure, 1858); (b) Hyalella sarukhani sp. nov.; (c) Hyalella alvarezi sp. nov.; (d) Hyalella viviannae sp. nov.; (e) Hyalella villalobosi sp. nov.; (f) Hyalella garyi sp. nov." figureDoi="http://doi.org/10.5281/zenodo.7087126" httpUri="https://zenodo.org/record/7087126/files/figure.png" pageId="29" pageNumber="1244">23e</figureCitation>
|
||
) slightly longer than or as long as peduncle of uropod 2; peduncle rectangular, wider than ramus, with
|
||
<emphasis bold="true" box="[665,680,1631,1656]" pageId="29" pageNumber="1244">5</emphasis>
|
||
strong distal setae of variable length; inner ramus absent; outer ramus uniarticulate, slender, slightly shorter than peduncle; basal width almost
|
||
<emphasis bold="true" box="[237,321,142,167]" pageId="30" pageNumber="1245">3 times</emphasis>
|
||
width of apex of ramus, with 3 slender apical setae (one longer) and 1 connate seta.
|
||
</paragraph>
|
||
<paragraph blockId="30.[160,1156,228,322]" pageId="30" pageNumber="1245">
|
||
<emphasis bold="true" box="[160,240,228,253]" pageId="30" pageNumber="1245">Telson</emphasis>
|
||
(
|
||
<figureCitation box="[260,401,228,253]" captionStart="Figure 13" captionStartId="29.[159,224,1180,1203]" captionTargetBox="[164,1152,143,1148]" captionTargetId="figure-155@29.[163,1153,142,1149]" captionTargetPageId="29" captionText="Figure 13. Hyalella villalobosi sp. nov. male holotype, 5.4 mm. (a) Uropod 1; (b) uropod 2; (c) uropod 3; (d) telson; (e) pleopod 1. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087106" httpUri="https://zenodo.org/record/7087106/files/figure.png" pageId="30" pageNumber="1245">Figures 13d</figureCitation>
|
||
, and
|
||
<figureCitation box="[472,514,228,253]" captionStart="Figure 24" captionStartId="44.[160,225,1555,1578]" captionTargetBox="[163,1152,142,1523]" captionTargetId="figure-1@44.[163,1152,142,1523]" captionTargetPageId="44" captionText="Figure 24. Scanning electron microscopy images, comparison, paratypes. Telson, dorsal view. (a) Hyalella azteca (De Saussure, 1858); (b) Hyalella sarukhani sp. nov.; (c) Hyalella alvarezi sp. nov.; (d) Hyalella viviannae sp. nov.; (e) Hyalella villalobosi sp. nov.; (f) Hyalella garyi sp. nov." figureDoi="http://doi.org/10.5281/zenodo.7087128" httpUri="https://zenodo.org/record/7087128/files/figure.png" pageId="30" pageNumber="1245">24e</figureCitation>
|
||
) entire,
|
||
<emphasis bold="true" box="[618,836,228,253]" pageId="30" pageNumber="1245">longer than wide</emphasis>
|
||
, distal margin
|
||
<emphasis bold="true" pageId="30" pageNumber="1245">pointed or truncated</emphasis>
|
||
, with 2 long simple
|
||
<emphasis bold="true" box="[519,622,262,287]" pageId="30" pageNumber="1245">apposed</emphasis>
|
||
setae; outer surface bearing two clusters of 3 plumose setae, near margin, symmetrically distributed.
|
||
</paragraph>
|
||
<paragraph blockId="30.[160,1155,348,407]" pageId="30" pageNumber="1245">
|
||
<emphasis bold="true" box="[160,283,348,373]" pageId="30" pageNumber="1245">Coxal gills</emphasis>
|
||
sac-like, present on segments 2–6. Sternal gills tubular, present on segments 3–7.
|
||
</paragraph>
|
||
<paragraph blockId="30.[159,1156,433,701]" pageId="30" pageNumber="1245">
|
||
<emphasis bold="true" box="[160,244,433,458]" pageId="30" pageNumber="1245">Female</emphasis>
|
||
(
|
||
<figureCitation box="[257,377,433,458]" captionStart="Figure 18" captionStartId="38.[160,225,1375,1398]" captionTargetBox="[163,1150,144,1339]" captionTargetId="figure-36@38.[162,1152,142,1343]" captionTargetPageId="38" captionText="Figure 18. Scanning electron microscopy images. Lateral habitus. Hyalella villalobosi sp. nov. paratypes: (a) male; (b) female, arrow shows the notch for amplexus. Hyalella garyi sp. nov. paratypes: (c) male; (d) female, arrow shows the notch for amplexus; (e) dorsal view of male pleon, showing the absence of mucronations; (f) female, pereonite 2, notch for amplexus." figureDoi="http://doi.org/10.5281/zenodo.7087116" httpUri="https://zenodo.org/record/7087116/files/figure.png" pageId="30" pageNumber="1245">Figure 18b</figureCitation>
|
||
) similar to male. Gnathopod 1 (
|
||
<figureCitation box="[726,839,433,458]" captionStart="Figure 12" captionStartId="28.[160,225,1462,1485]" captionTargetBox="[166,1152,144,1429]" captionTargetId="figure-1@28.[163,1153,142,1430]" captionTargetPageId="28" captionText="Figure 12. Hyalella villalobosi sp. nov. male holotype, 5.4 mm; female paratype, 5.5 mm. (a) male gnathopod 1; (b) male gnathopod 2; (c) female gnathopod 1; (d) female gnathopod 2. Male pereiopods: (e) pereiopod 3; (f) pereiopod 4; (g) pereiopod 5; (h) pereiopod 6; (i) pereiopod 7. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087104" httpUri="https://zenodo.org/record/7087104/files/figure.png" pageId="30" pageNumber="1245">Figure 12c</figureCitation>
|
||
), carpus with
|
||
<emphasis bold="true" box="[994,1009,433,458]" pageId="30" pageNumber="1245">7</emphasis>
|
||
serrate setae on inner face lobe; propodus with
|
||
<emphasis bold="true" box="[559,574,468,493]" pageId="30" pageNumber="1245">4</emphasis>
|
||
serrate setae in row over inner face. Gnathopod 2 (
|
||
<figureCitation box="[167,289,502,527]" captionStart="Figure 12" captionStartId="28.[160,225,1462,1485]" captionTargetBox="[166,1152,144,1429]" captionTargetId="figure-1@28.[163,1153,142,1430]" captionTargetPageId="28" captionText="Figure 12. Hyalella villalobosi sp. nov. male holotype, 5.4 mm; female paratype, 5.5 mm. (a) male gnathopod 1; (b) male gnathopod 2; (c) female gnathopod 1; (d) female gnathopod 2. Male pereiopods: (e) pereiopod 3; (f) pereiopod 4; (g) pereiopod 5; (h) pereiopod 6; (i) pereiopod 7. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.7087104" httpUri="https://zenodo.org/record/7087104/files/figure.png" pageId="30" pageNumber="1245">Figure 12d</figureCitation>
|
||
) smaller than male gnathopod 2, parachelated, palm reverse oblique, basis posterior margin without seta; propodus longer than twice maximum width, inner face with
|
||
<emphasis bold="true" box="[213,228,572,597]" pageId="30" pageNumber="1245">4</emphasis>
|
||
serrate setae in a row and 1 simple seta, outer face with 4 setae in one row and 3 large setae near palm, anterior and posterior distal half with comb scales. Pereonite 2 with anterior excavation or notch for amplexus. Pereopod 7 lobes with 11 serrations and setules, and without stout setae on distal margin. Oostegites subtriangular with curled setae on margins.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="30" pageNumber="1245" type="biology_ecology">
|
||
<paragraph blockId="30.[160,1155,747,808]" pageId="30" pageNumber="1245">
|
||
<emphasis bold="true" box="[160,256,747,773]" italics="true" pageId="30" pageNumber="1245">Habitat.</emphasis>
|
||
Freshwater, epigean, littoral, associated with sediment and
|
||
<taxonomicName authority="(Mart.) Solms." authorityName="Solms." baseAuthorityName="Mart." class="Liliopsida" family="Pontederiaceae" genus="Eichhornia" kingdom="Plantae" order="Commelinales" pageId="30" pageNumber="1245" phylum="Tracheophyta" rank="species" species="crassipes">
|
||
<emphasis box="[937,1155,748,773]" italics="true" pageId="30" pageNumber="1245">Eichhornia crassipes</emphasis>
|
||
(Mart.) Solms.
|
||
</taxonomicName>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection box="[160,1035,855,881]" pageId="30" pageNumber="1245" type="distribution">
|
||
<paragraph blockId="30.[160,1035,855,881]" box="[160,1035,855,881]" pageId="30" pageNumber="1245">
|
||
<emphasis bold="true" box="[160,307,855,881]" italics="true" pageId="30" pageNumber="1245">Distribution.</emphasis>
|
||
Lake Catemaco, state of
|
||
<collectingRegion box="[599,698,856,881]" country="Mexico" name="Veracruz de Ignacio de la Llave" pageId="30" pageNumber="1245">Veracruz</collectingRegion>
|
||
,
|
||
<collectingCountry box="[708,788,856,881]" name="Mexico" pageId="30" pageNumber="1245">Mexico</collectingCountry>
|
||
(
|
||
<geoCoordinate box="[802,906,856,881]" degrees="18.366" direction="north" orientation="latitude" pageId="30" pageNumber="1245" precision="55" value="18.366">18.366°N</geoCoordinate>
|
||
,
|
||
<geoCoordinate box="[916,1026,856,881]" degrees="95.084" direction="west" orientation="longitude" pageId="30" pageNumber="1245" precision="55" value="-95.084">95.084°W</geoCoordinate>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="30" pageNumber="1245" type="discussion">
|
||
<paragraph blockId="30.[160,1156,928,1266]" box="[160,262,928,954]" pageId="30" pageNumber="1245">
|
||
<emphasis bold="true" box="[160,262,928,954]" italics="true" pageId="30" pageNumber="1245">Remarks</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="30.[160,1156,928,1266]" pageId="30" pageNumber="1245">
|
||
This species has parasites of the genus
|
||
<taxonomicName box="[598,736,963,988]" class="Gymnostomatea" family="Lagynophryidae" genus="Lagenophrys" kingdom="Chromista" order="Haptorida" pageId="30" pageNumber="1245" phylum="Ciliophora" rank="genus">
|
||
<emphasis box="[598,736,963,988]" italics="true" pageId="30" pageNumber="1245">Lagenophrys</emphasis>
|
||
</taxonomicName>
|
||
, possibly
|
||
<taxonomicName authority="(Stokes, 1887)" baseAuthorityName="Stokes" baseAuthorityYear="1887" class="Gymnostomatea" family="Lagynophryidae" genus="Lagenophrys" kingdom="Chromista" order="Haptorida" pageId="30" pageNumber="1245" phylum="Ciliophora" rank="species" species="patina">
|
||
<emphasis box="[847,1063,963,988]" italics="true" pageId="30" pageNumber="1245">Lagenophrys patina</emphasis>
|
||
(Stokes, 1887)
|
||
</taxonomicName>
|
||
; they are abundant in the coxae and the basis of pereopods; the protozoos are even attached to the setae.
|
||
</paragraph>
|
||
<paragraph blockId="30.[160,1156,928,1266]" pageId="30" pageNumber="1245">
|
||
This species is morphologically similar to
|
||
<taxonomicName baseAuthorityName="Gonzalez and Watling" baseAuthorityYear="2002" box="[641,738,1067,1092]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="1245" phylum="Arthropoda" rank="species" species="azteca">
|
||
<emphasis box="[641,738,1067,1092]" italics="true" pageId="30" pageNumber="1245">H. azteca</emphasis>
|
||
</taxonomicName>
|
||
, with two dorsal mucronations on the pleon and the telson with the distal margin acute with 2 distal apposed setae. But this species differs in the following: telson is longer than wider, isquium is longer than its width, uropod 2 is similar in length to peduncle of uropod 1, peduncle is shorter than ramus in uropod 2, and this species has more articles in the antennae despite its shorter size (
|
||
<tableCitation captionStart="Table 1" captionStartId="1.[159,215,142,165]" captionTargetPageId="1" captionText="Table 1. Morphological comparison of five new species of genus Hyalella from Veracruz and Mexico City (main characters)." pageId="30" pageNumber="1245">Tables 1, S1</tableCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |