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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1037.63017" ID-GBIF-Dataset="840508c3-11dc-4fcc-9d1e-6dbe02aab909" ID-PMC="PMC8137637" ID-Pensoft-Pub="1313-2970-1037-23" ID-Pensoft-UUID="5EA04FA7F44F5D2E9DF4F11233DF44D9" ID-PubMed="34045916" ID-ZooBank="4BB4E90C0EB847D6B5AFC6F5E954140F" ModsDocID="1313-2970-1037-23" checkinTime="1620977036809" checkinUser="pensoft" docAuthor="Wetzer, Regina, Wall, Adam &amp; Bruce, Niel L." docDate="2021" docId="0BC8E461C1CD53B2B84F2D40FA30A3A1" docLanguage="en" docName="ZooKeys 1037: 23-56" docOrigin="ZooKeys 1037" docPubDate="2021-05-13" docSource="http://dx.doi.org/10.3897/zookeys.1037.63017" docTitle="Gnorimosphaeroma oregonense" docType="treatment" docVersion="4" id="5EA04FA7F44F5D2E9DF4F11233DF44D9" lastPageNumber="23" masterDocId="5EA04FA7F44F5D2E9DF4F11233DF44D9" masterDocTitle="Redescription of Gnorimosphaeroma oregonense (Dana, 1853) (Crustacea, Isopoda, Sphaeromatidae), designation of neotype, and 16 S-rDNA molecular phylogeny of the north-eastern Pacific species" masterLastPageNumber="56" masterPageNumber="23" pageNumber="23" updateTime="1668150262628" updateUser="ExternalLinkService">
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<mods:title>Redescription of Gnorimosphaeroma oregonense (Dana, 1853) (Crustacea, Isopoda, Sphaeromatidae), designation of neotype, and 16 S-rDNA molecular phylogeny of the north-eastern Pacific species</mods:title>
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<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Wetzer, Regina</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-2674-5150</mods:nameIdentifier>
<mods:affiliation>Research and Collections Branch, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA</mods:affiliation>
<mods:nameIdentifier type="email">rwetzer@nhm.org</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Wall, Adam</mods:namePart>
<mods:affiliation>Research and Collections Branch, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Bruce, Niel L.</mods:namePart>
<mods:affiliation>Queensland Museum, Brisbane, Australia &amp; North-West University, Water Research Group, Unit for Environmental Sciences and Management, Private Bag C 6001, Potchefstroom 2520, South Africa</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:title>ZooKeys</mods:title>
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<mods:date>2021</mods:date>
<mods:detail type="pubDate">
<mods:number>2021-05-13</mods:number>
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<mods:detail type="volume">
<mods:number>1037</mods:number>
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<mods:start>23</mods:start>
<mods:end>56</mods:end>
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<mods:url>http://dx.doi.org/10.3897/zookeys.1037.63017</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1037.63017</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-1037-23</mods:identifier>
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<treatment ID-GBIF-Taxon="182069445" LSID="urn:lsid:plazi:treatment:0BC8E461C1CD53B2B84F2D40FA30A3A1" httpUri="http://treatment.plazi.org/id/0BC8E461C1CD53B2B84F2D40FA30A3A1" lastPageNumber="23" pageId="0" pageNumber="23">
<subSubSection pageId="0" pageNumber="23" type="nomenclature">
<paragraph pageId="0" pageNumber="23">
<taxonomicName LSID="0BC8E461-C1CD-53B2-B84F-2D40FA30A3A1" authority="(Dana, 1853)" baseAuthorityName="Dana" baseAuthorityYear="1853" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma oregonense" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonense">Gnorimosphaeroma oregonense (Dana, 1853)</taxonomicName>
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Gnorimosphaeroma oregonense. ♂ Neotype. LACM: DISCO: 7028 A anterior dorsal B posterior dorsal and pleotelson." figureDoi="10.3897/zookeys.1037.63017.figure1" httpUri="https://binary.pensoft.net/fig/542462" pageId="0" pageNumber="23">Figures 1</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Gnorimosphaeroma oregonense A ♂ neotype. LACM: DISCO: 7028, lateral B ♀ non-type LACM: DISCO: 11164, lateral." figureDoi="10.3897/zookeys.1037.63017.figure2" httpUri="https://binary.pensoft.net/fig/542463" pageId="0" pageNumber="23">, 2</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma oregonense ♀ Non-type. LACM: DISCO: 11164 A clypeus and labrum B marsupium with three mancas." figureDoi="10.3897/zookeys.1037.63017.figure3" httpUri="https://binary.pensoft.net/fig/542464" pageId="0" pageNumber="23">, 3</figureCitation>
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right, unless otherwise indicated A antennula B antenna C left mandible D right mandible E maxillula lateral lobe F maxillula medial lobe G maxilla H maxilliped." figureDoi="10.3897/zookeys.1037.63017.figure4" httpUri="https://binary.pensoft.net/fig/542465" pageId="0" pageNumber="23">, 4</figureCitation>
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right A pereopod 1 B pereopod 2 C pereopod 7." figureDoi="10.3897/zookeys.1037.63017.figure5" httpUri="https://binary.pensoft.net/fig/542466" pageId="0" pageNumber="23">, 5</figureCitation>
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gnorimosphaeroma oregonense ♂ Non-type LACM: DISCO: 11161 A penes in ventral view with relative position to pleopods. ♂ Neotype. LACM: DISCO: 7028. All appendages from right B-F pleopods 1 - 5." figureDoi="10.3897/zookeys.1037.63017.figure6" httpUri="https://binary.pensoft.net/fig/542467" pageId="0" pageNumber="23">, 6</figureCitation>
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Gnorimosphaeroma oregonense ♀ Non-type SEM. LACM: DISCO: 11164 A dorsum B pereopod 1 seta C pereopod 7 setae." figureDoi="10.3897/zookeys.1037.63017.figure7" httpUri="https://binary.pensoft.net/fig/542468" pageId="0" pageNumber="23">, 7</figureCitation>
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Gnorimosphaeroma oregonense ♀ Non-type SEM. LACM: DISCO: 11164 A head dorsum B clypeus and labrum ventral C pleotelson dorsal." figureDoi="10.3897/zookeys.1037.63017.figure8" httpUri="https://binary.pensoft.net/fig/542469" pageId="0" pageNumber="23">, 8</figureCitation>
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Gnorimosphaeroma oregonense Non-type SEM. LACM: DISCO: 11164 A ♀ LACM: DISCO: 11164 lateral B ♀ LACM: DISCO: 11164 ventral view with oostegites." figureDoi="10.3897/zookeys.1037.63017.figure9" httpUri="https://binary.pensoft.net/fig/542470" pageId="0" pageNumber="23">, 9</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="reference_group">
<paragraph pageId="0" pageNumber="23">
<taxonomicName baseAuthorityName="Dana" baseAuthorityYear="1853" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma oregonense" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonense">Gnorimosphaeroma oregonense</taxonomicName>
Abbreviated synonymy (detailed synonymies given by Richardson (1905),
<bibRefCitation author="Menzies, RJ" journalOrPublisher="American Novitates" pageId="0" pageNumber="23" pagination="1 - 24" refId="B33" refString="Menzies, RJ, 1954. A review of the systematics and ecology of the genus &quot; Exosphaeroma,&quot; with the description of a new genus, a new species, and new subspecies (Crustacea, Isopoda, Sphaeromatidae). American Novitates 1683: 1 - 24" title="A review of the systematics and ecology of the genus &quot; Exosphaeroma, &quot; with the description of a new genus, a new species, and new subspecies (Crustacea, Isopoda, Sphaeromatidae)." volume="1683" year="1954">Menzies (1954)</bibRefCitation>
, and
<bibRefCitation author="Kussakin, OG" journalOrPublisher="National Academy of Sciences, USSR, Zoology [Opredeliteli po Faune SSR, Akademiya Nauk, SSSR]" pageId="0" pageNumber="23" pagination="1 - 470" refId="B30" refString="Kussakin, OG, 1979. Marine and brackish-water Isopoda of cold and temperate (boreal) waters of the Northern Hemisphere. Part 1. Flabellifera, Valvifera, and Tyloidea). National Academy of Sciences, USSR, Zoology [Opredeliteli po Faune SSR, Akademiya Nauk, SSSR] 122: 1 - 470" title="Marine and brackish-water Isopoda of cold and temperate (boreal) waters of the Northern Hemisphere. Part 1. Flabellifera, Valvifera, and Tyloidea)." volume="122" year="1979">Kussakin (1979)</bibRefCitation>
.
</paragraph>
<paragraph pageId="0" pageNumber="23">
<taxonomicName authorityName="Dana" authorityYear="1853" class="Malacostraca" family="Sphaeromatidae" genus="Spheroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Spheroma oregonensis" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonensis">Spheroma oregonensis</taxonomicName>
Dana, 1853: 778, Atlas plate 52x.
</paragraph>
<paragraph pageId="0" pageNumber="23">
<taxonomicName class="Hydrozoa" family="Sphaeromatidae" genus="Exosphaeroma" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Exosphaeroma oregonensis" order="Isopoda" pageId="0" pageNumber="23" phylum="Cnidaria" rank="species" species="oregonensis">Exosphaeroma oregonensis</taxonomicName>
.- Richardson, 1905: 296, figs 315, 316.
</paragraph>
<paragraph pageId="0" pageNumber="23">
<taxonomicName class="Malacostraca" family="Sphaeromatidae" genus="Neosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Neosphaeroma oregonense" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonense">Neosphaeroma oregonense</taxonomicName>
.- Monod, 1932: 76, fig. 74.
</paragraph>
<paragraph pageId="0" pageNumber="23">
<taxonomicName authority="oregonensis" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma oregonensis subsp. oregonensis" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="subSpecies" species="oregonensis" subSpecies="oregonensis">Gnorimosphaeroma oregonensis oregonensis</taxonomicName>
.- Menzies, 1954: 406, figs 5, 7A-E, 12.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="materials_examined">
<paragraph pageId="0" pageNumber="23">Material examined.</paragraph>
<paragraph pageId="0" pageNumber="23">
<materialsCitation collectingDate="2010-07-07" collectorName="Regina Wetzer, N. Dean Pentcheff. Collection" country="Canada" latitude="49.294" location="Stanley Park" longLatPrecision="66" longitude="-123.155" municipality="Vancouver" specimenCount="♂" stateProvince="British Columbia" typeStatus="Neotype">
<emphasis bold="true" italics="true" pageId="0" pageNumber="23">
<typeStatus>Neotype</typeStatus>
</emphasis>
<specimenCount></specimenCount>
(
<quantity metricMagnitude="-3" metricUnit="m" metricValue="8.5" unit="mm" value="8.5">8.5 mm</quantity>
):
<collectingCountry name="Canada">Canada</collectingCountry>
,
<collectingRegion country="Canada" name="British Columbia">British Columbia</collectingRegion>
,
<collectingMunicipality>Vancouver</collectingMunicipality>
,
<location LSID="urn:lsid:plazi:treatment:0BC8E461C1CD53B2B84F2D40FA30A3A1:E8DD3D8AE1EDEF66EB75D618D139B11F" country="Canada" latitude="49.294" longLatPrecision="66" longitude="-123.155" municipality="Vancouver" name="Stanley Park" stateProvince="British Columbia">Stanley Park</location>
,
<geoCoordinate degrees="49.294" direction="north" orientation="latitude" precision="55" value="49.294">49.294°N</geoCoordinate>
,
<geoCoordinate degrees="123.155" direction="west" orientation="longitude" precision="55" value="-123.155">123.155°W</geoCoordinate>
, mid intertidal, hand, fixed and preserved in 95% ethanol.
<collectingDate value="2010-07-07">7 Jul 2010</collectingDate>
, coll.
<collectorName>Regina Wetzer</collectorName>
&amp;
<collectorName>N. Dean Pentcheff. Collection</collectorName>
ID: RW10.003. LACM:DISCO:7028.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="type material">
<paragraph pageId="0" pageNumber="23">Additional material examined from the same lot as the neotype.</paragraph>
<paragraph pageId="0" pageNumber="23">♀ Non-type with mancas (6.0 mm) LACM:DISCO:11164; ♂ (8.5 mm) LACM:DISCO:11161; subadult ♂ with penes beginning, without appendix masculina (6.0 mm) LACM:DISCO:11162; plus additional 20+ adults, juveniles, and mancas in this lot.</paragraph>
<paragraph pageId="0" pageNumber="23">Body parts and appendages figured are as indicated in figure legends.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="description">
<paragraph pageId="0" pageNumber="23">Description of male neotype.</paragraph>
<paragraph pageId="0" pageNumber="23">
<emphasis italics="true" pageId="0" pageNumber="23">Body</emphasis>
length 2.4
<normalizedToken originalValue="×">x</normalizedToken>
width; widest at pereonite 6; pleotelson length 0.6
<normalizedToken originalValue="×">x</normalizedToken>
width, distal margin broad and weakly convex. (Figs
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Gnorimosphaeroma oregonense. ♂ Neotype. LACM: DISCO: 7028 A anterior dorsal B posterior dorsal and pleotelson." figureDoi="10.3897/zookeys.1037.63017.figure1" httpUri="https://binary.pensoft.net/fig/542462" pageId="0" pageNumber="23">1A, B</figureCitation>
,
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Gnorimosphaeroma oregonense A ♂ neotype. LACM: DISCO: 7028, lateral B ♀ non-type LACM: DISCO: 11164, lateral." figureDoi="10.3897/zookeys.1037.63017.figure2" httpUri="https://binary.pensoft.net/fig/542463" pageId="0" pageNumber="23">2A</figureCitation>
).
<emphasis italics="true" pageId="0" pageNumber="23">Pleotelson</emphasis>
length 0.66
<normalizedToken originalValue="×">x</normalizedToken>
width.
</paragraph>
<caption doi="10.3897/zookeys.1037.63017.figure1" httpUri="https://binary.pensoft.net/fig/542462" pageId="0" pageNumber="23" start="Figure 1" startId="F1">
<paragraph pageId="0" pageNumber="23">
<emphasis bold="true" pageId="0" pageNumber="23">Figure 1.</emphasis>
<taxonomicName baseAuthorityName="Dana" baseAuthorityYear="1853" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma oregonense" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonense">
<emphasis italics="true" pageId="0" pageNumber="23">Gnorimosphaeroma oregonense</emphasis>
</taxonomicName>
. ♂ Neotype. LACM:DISCO:7028
<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
anterior dorsal
<emphasis bold="true" pageId="0" pageNumber="23">B</emphasis>
posterior dorsal and pleotelson.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="23">
<emphasis italics="true" pageId="0" pageNumber="23">Antennula</emphasis>
peduncle article 1 length 1.3
<normalizedToken originalValue="×">x</normalizedToken>
width; article 2 as long as wide; article 3 length 2.6
<normalizedToken originalValue="×">x</normalizedToken>
width, inferior distal margin with one palm seta; flagellum with 13 articles, 11 basal articles with aesthetascs and small simple seta (Figs
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Gnorimosphaeroma oregonense A ♂ neotype. LACM: DISCO: 7028, lateral B ♀ non-type LACM: DISCO: 11164, lateral." figureDoi="10.3897/zookeys.1037.63017.figure2" httpUri="https://binary.pensoft.net/fig/542463" pageId="0" pageNumber="23">2A</figureCitation>
,
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma oregonense ♀ Non-type. LACM: DISCO: 11164 A clypeus and labrum B marsupium with three mancas." figureDoi="10.3897/zookeys.1037.63017.figure3" httpUri="https://binary.pensoft.net/fig/542464" pageId="0" pageNumber="23">3A</figureCitation>
,
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right, unless otherwise indicated A antennula B antenna C left mandible D right mandible E maxillula lateral lobe F maxillula medial lobe G maxilla H maxilliped." figureDoi="10.3897/zookeys.1037.63017.figure4" httpUri="https://binary.pensoft.net/fig/542465" pageId="0" pageNumber="23">4A</figureCitation>
).
<emphasis italics="true" pageId="0" pageNumber="23">Antenna</emphasis>
reaching slightly beyond anterior margin of pereonite 2; peduncle article 4 length 2.3
<normalizedToken originalValue="×">x</normalizedToken>
width, flagellum with 14 articles, setation as figured (Figs
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Gnorimosphaeroma oregonense A ♂ neotype. LACM: DISCO: 7028, lateral B ♀ non-type LACM: DISCO: 11164, lateral." figureDoi="10.3897/zookeys.1037.63017.figure2" httpUri="https://binary.pensoft.net/fig/542463" pageId="0" pageNumber="23">2A</figureCitation>
,
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma oregonense ♀ Non-type. LACM: DISCO: 11164 A clypeus and labrum B marsupium with three mancas." figureDoi="10.3897/zookeys.1037.63017.figure3" httpUri="https://binary.pensoft.net/fig/542464" pageId="0" pageNumber="23">3B</figureCitation>
,
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right, unless otherwise indicated A antennula B antenna C left mandible D right mandible E maxillula lateral lobe F maxillula medial lobe G maxilla H maxilliped." figureDoi="10.3897/zookeys.1037.63017.figure4" httpUri="https://binary.pensoft.net/fig/542465" pageId="0" pageNumber="23">4B</figureCitation>
).
<emphasis italics="true" pageId="0" pageNumber="23">Clypeus</emphasis>
and
<emphasis italics="true" pageId="0" pageNumber="23">labrum</emphasis>
as in Figs
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma oregonense ♀ Non-type. LACM: DISCO: 11164 A clypeus and labrum B marsupium with three mancas." figureDoi="10.3897/zookeys.1037.63017.figure3" httpUri="https://binary.pensoft.net/fig/542464" pageId="0" pageNumber="23">3A</figureCitation>
,
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Gnorimosphaeroma oregonense ♀ Non-type SEM. LACM: DISCO: 11164 A head dorsum B clypeus and labrum ventral C pleotelson dorsal." figureDoi="10.3897/zookeys.1037.63017.figure8" httpUri="https://binary.pensoft.net/fig/542469" pageId="0" pageNumber="23">8B</figureCitation>
.
</paragraph>
<caption doi="10.3897/zookeys.1037.63017.figure2" httpUri="https://binary.pensoft.net/fig/542463" pageId="0" pageNumber="23" start="Figure 2" startId="F2">
<paragraph pageId="0" pageNumber="23">
<emphasis bold="true" pageId="0" pageNumber="23">Figure 2.</emphasis>
<taxonomicName baseAuthorityName="Dana" baseAuthorityYear="1853" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma oregonense" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonense">
<emphasis italics="true" pageId="0" pageNumber="23">Gnorimosphaeroma oregonense</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
♂ neotype. LACM:DISCO:7028, lateral
<emphasis bold="true" pageId="0" pageNumber="23">B</emphasis>
♀ non-type LACM:DISCO:11164, lateral.
</paragraph>
</caption>
<caption doi="10.3897/zookeys.1037.63017.figure3" httpUri="https://binary.pensoft.net/fig/542464" pageId="0" pageNumber="23" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="23">
<emphasis bold="true" pageId="0" pageNumber="23">Figure 3.</emphasis>
<taxonomicName baseAuthorityName="Dana" baseAuthorityYear="1853" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma oregonense" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonense">
<emphasis italics="true" pageId="0" pageNumber="23">Gnorimosphaeroma oregonense</emphasis>
</taxonomicName>
♀ Non-type. LACM:DISCO:11164
<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
clypeus and labrum
<emphasis bold="true" pageId="0" pageNumber="23">B</emphasis>
marsupium with three mancas.
</paragraph>
</caption>
<caption doi="10.3897/zookeys.1037.63017.figure4" httpUri="https://binary.pensoft.net/fig/542465" pageId="0" pageNumber="23" start="Figure 4" startId="F4">
<paragraph pageId="0" pageNumber="23">
<emphasis bold="true" pageId="0" pageNumber="23">Figure 4.</emphasis>
<taxonomicName baseAuthorityName="Dana" baseAuthorityYear="1853" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma oregonense" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonense">
<emphasis italics="true" pageId="0" pageNumber="23">Gnorimosphaeroma oregonense</emphasis>
</taxonomicName>
♂ Neotype LACM:DISCO:7028. All appendages from right, unless otherwise indicated
<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
antennula
<emphasis bold="true" pageId="0" pageNumber="23">B</emphasis>
antenna
<emphasis bold="true" pageId="0" pageNumber="23">C</emphasis>
left mandible
<emphasis bold="true" pageId="0" pageNumber="23">D</emphasis>
right mandible
<emphasis bold="true" pageId="0" pageNumber="23">E</emphasis>
maxillula lateral lobe
<emphasis bold="true" pageId="0" pageNumber="23">F</emphasis>
maxillula medial lobe
<emphasis bold="true" pageId="0" pageNumber="23">G</emphasis>
maxilla
<emphasis bold="true" pageId="0" pageNumber="23">H</emphasis>
maxilliped.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="23">
<emphasis italics="true" pageId="0" pageNumber="23">Left mandible</emphasis>
incisor with 4 cusps; lacinia mobilis with a single cusp; lacinia mobilis spine row comprised of 4 serrate spines; crushing surfaces ridged (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right, unless otherwise indicated A antennula B antenna C left mandible D right mandible E maxillula lateral lobe F maxillula medial lobe G maxilla H maxilliped." figureDoi="10.3897/zookeys.1037.63017.figure4" httpUri="https://binary.pensoft.net/fig/542465" pageId="0" pageNumber="23">4C</figureCitation>
).
<emphasis italics="true" pageId="0" pageNumber="23">Right mandible</emphasis>
incisor with 3 cusps, spine row comprised of 7 serrate spines (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right, unless otherwise indicated A antennula B antenna C left mandible D right mandible E maxillula lateral lobe F maxillula medial lobe G maxilla H maxilliped." figureDoi="10.3897/zookeys.1037.63017.figure4" httpUri="https://binary.pensoft.net/fig/542465" pageId="0" pageNumber="23">4D</figureCitation>
).
<emphasis italics="true" pageId="0" pageNumber="23">Maxillula</emphasis>
mesial lobe with ca. 4 spines; lateral lobe with ca. 8 spines (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right, unless otherwise indicated A antennula B antenna C left mandible D right mandible E maxillula lateral lobe F maxillula medial lobe G maxilla H maxilliped." figureDoi="10.3897/zookeys.1037.63017.figure4" httpUri="https://binary.pensoft.net/fig/542465" pageId="0" pageNumber="23">4F, E</figureCitation>
, respectively).
<emphasis italics="true" pageId="0" pageNumber="23">Maxilla</emphasis>
mesial lobe with 5 simple setae and 6 plumose RS on gnathal surface; middle lobe with 2 simple setae and 1 pectinate RS; lateral lobe with 2 simple setae, and 1 pectinate RS (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right, unless otherwise indicated A antennula B antenna C left mandible D right mandible E maxillula lateral lobe F maxillula medial lobe G maxilla H maxilliped." figureDoi="10.3897/zookeys.1037.63017.figure4" httpUri="https://binary.pensoft.net/fig/542465" pageId="0" pageNumber="23">4G</figureCitation>
).
<emphasis italics="true" pageId="0" pageNumber="23">Maxilliped</emphasis>
endite distal surface with 7 plumose setae; distomesial margin with 3 plumose setae; palp article 2 distal apex with 9 long, simple RS; article 3 distal apex with 11 long, simple RS, lateral distal angle with 2 long, simple RS; article 4 distal apex with 15 long, simple RS, lateral distal angle with 1 long, simple RS; article 5 distal apex with 13 long, simple RS (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right, unless otherwise indicated A antennula B antenna C left mandible D right mandible E maxillula lateral lobe F maxillula medial lobe G maxilla H maxilliped." figureDoi="10.3897/zookeys.1037.63017.figure4" httpUri="https://binary.pensoft.net/fig/542465" pageId="0" pageNumber="23">4H</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="23">
<emphasis italics="true" pageId="0" pageNumber="23">Pereopod 1</emphasis>
(Figs
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right A pereopod 1 B pereopod 2 C pereopod 7." figureDoi="10.3897/zookeys.1037.63017.figure5" httpUri="https://binary.pensoft.net/fig/542466" pageId="0" pageNumber="23">5A</figureCitation>
,
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Gnorimosphaeroma oregonense ♀ Non-type SEM. LACM: DISCO: 11164 A dorsum B pereopod 1 seta C pereopod 7 setae." figureDoi="10.3897/zookeys.1037.63017.figure7" httpUri="https://binary.pensoft.net/fig/542468" pageId="0" pageNumber="23">7C</figureCitation>
)
<emphasis italics="true" pageId="0" pageNumber="23">basis</emphasis>
inferior distal angle with 1 long, RS, inferior proximal margin with setal patch;
<emphasis italics="true" pageId="0" pageNumber="23">ischium</emphasis>
length 1.6
<normalizedToken originalValue="×">x</normalizedToken>
width, inferior medial margin with setal patch;
<emphasis italics="true" pageId="0" pageNumber="23">merus</emphasis>
lobate, 0.74
<normalizedToken originalValue="×">x</normalizedToken>
ischium length, superior distal angle with 4 long, RS;
<emphasis italics="true" pageId="0" pageNumber="23">carpus</emphasis>
inferior medial margin with 1 robust, serrate, trident seta;
<emphasis italics="true" pageId="0" pageNumber="23">propodus</emphasis>
length 2.1
<normalizedToken originalValue="×">x</normalizedToken>
width, 1.1
<normalizedToken originalValue="×">x</normalizedToken>
ischium length, inferior margin with 3 robust, serrate, trident seta, and 3 plumose setae;
<emphasis italics="true" pageId="0" pageNumber="23">dactylus</emphasis>
length 1.2
<normalizedToken originalValue="×">x</normalizedToken>
width, length 0.33
<normalizedToken originalValue="×">x</normalizedToken>
propodus length, distal margin with 4 simple setae (Figs
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right A pereopod 1 B pereopod 2 C pereopod 7." figureDoi="10.3897/zookeys.1037.63017.figure5" httpUri="https://binary.pensoft.net/fig/542466" pageId="0" pageNumber="23">5A</figureCitation>
,
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Gnorimosphaeroma oregonense ♀ Non-type SEM. LACM: DISCO: 11164 A dorsum B pereopod 1 seta C pereopod 7 setae." figureDoi="10.3897/zookeys.1037.63017.figure7" httpUri="https://binary.pensoft.net/fig/542468" pageId="0" pageNumber="23">7C</figureCitation>
).
<emphasis italics="true" pageId="0" pageNumber="23">Pereopod 2</emphasis>
(Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right A pereopod 1 B pereopod 2 C pereopod 7." figureDoi="10.3897/zookeys.1037.63017.figure5" httpUri="https://binary.pensoft.net/fig/542466" pageId="0" pageNumber="23">5B</figureCitation>
)
<emphasis italics="true" pageId="0" pageNumber="23">basis</emphasis>
inferior distal angle with 1 long, simple RS, inferior medial margin with setal patch;
<emphasis italics="true" pageId="0" pageNumber="23">ischium</emphasis>
length 2.2
<normalizedToken originalValue="×">x</normalizedToken>
width, inferior medial margin with 12 long, simple RS, inferior distal angle with single simple RS;
<emphasis italics="true" pageId="0" pageNumber="23">merus</emphasis>
lobate, length 1.6
<normalizedToken originalValue="×">x</normalizedToken>
width, 0.69
<normalizedToken originalValue="×">x</normalizedToken>
ischium length, superior distal angle with cluster of 7 simple RS, distal medial margin with one palm seta;
<emphasis italics="true" pageId="0" pageNumber="23">carpus</emphasis>
length 1.2
<normalizedToken originalValue="×">x</normalizedToken>
merus length, 2.5
<normalizedToken originalValue="×">x</normalizedToken>
width, superior margin with 4 robust, biserrate setae on distal angle, inferior margin 2 palm setae;
<emphasis italics="true" pageId="0" pageNumber="23">propodus</emphasis>
weakly curved, length 2.6
<normalizedToken originalValue="×">x</normalizedToken>
width, 1.2
<normalizedToken originalValue="×">x</normalizedToken>
carpus length, superior distal margin with a palm seta;
<emphasis italics="true" pageId="0" pageNumber="23">dactylus</emphasis>
length 1.2
<normalizedToken originalValue="×">x</normalizedToken>
width, length 0.27
<normalizedToken originalValue="×">x</normalizedToken>
propodus length, inferior margin with scales, distal margin with 3 long, simple setae (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right A pereopod 1 B pereopod 2 C pereopod 7." figureDoi="10.3897/zookeys.1037.63017.figure5" httpUri="https://binary.pensoft.net/fig/542466" pageId="0" pageNumber="23">5B</figureCitation>
).
<emphasis italics="true" pageId="0" pageNumber="23">Pereopods 3-6</emphasis>
progressively less setose (not figured).
<emphasis italics="true" pageId="0" pageNumber="23">Pereopod 7</emphasis>
(Figs
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right A pereopod 1 B pereopod 2 C pereopod 7." figureDoi="10.3897/zookeys.1037.63017.figure5" httpUri="https://binary.pensoft.net/fig/542466" pageId="0" pageNumber="23">5C</figureCitation>
,
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Gnorimosphaeroma oregonense ♀ Non-type SEM. LACM: DISCO: 11164 A dorsum B pereopod 1 seta C pereopod 7 setae." figureDoi="10.3897/zookeys.1037.63017.figure7" httpUri="https://binary.pensoft.net/fig/542468" pageId="0" pageNumber="23">7B</figureCitation>
)
<emphasis italics="true" pageId="0" pageNumber="23">basis</emphasis>
inferior medial margin with setal patch, inferior distal angle with 1 long, simple seta;
<emphasis italics="true" pageId="0" pageNumber="23">ischium</emphasis>
length 3.2
<normalizedToken originalValue="×">x</normalizedToken>
width, inferior distal angle with 1 palm seta;
<emphasis italics="true" pageId="0" pageNumber="23">merus</emphasis>
lobate, merus length 1.3
<normalizedToken originalValue="×">x</normalizedToken>
width, merus length 0.42
<normalizedToken originalValue="×">x</normalizedToken>
ischium length, superior distal angle with 1 trident seta, inferior distal angle with 1 biserrate seta and 1 palm seta;
<emphasis italics="true" pageId="0" pageNumber="23">carpus</emphasis>
length 1.8
<normalizedToken originalValue="×">x</normalizedToken>
width, carpus length 1.3
<normalizedToken originalValue="×">x</normalizedToken>
merus length, superior distal angle with a cluster of 5 long, biserrate setae, inferior distal angle with a cluster of 1 long, biserrate seta, and 1 long, trident seta;
<emphasis italics="true" pageId="0" pageNumber="23">propodus</emphasis>
weakly curved, length 3.2 width, length 1.5 carpus length, superior distal angle with 1 simple seta, and 1 palm seta, inferior margin with 2 long, trident setae;
<emphasis italics="true" pageId="0" pageNumber="23">dactylus</emphasis>
length 1.3
<normalizedToken originalValue="×">x</normalizedToken>
width, dactylus length 0.21
<normalizedToken originalValue="×">x</normalizedToken>
propodus length, distal margin with 3 simple setae (Figs
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma oregonense ♂ Neotype LACM: DISCO: 7028. All appendages from right A pereopod 1 B pereopod 2 C pereopod 7." figureDoi="10.3897/zookeys.1037.63017.figure5" httpUri="https://binary.pensoft.net/fig/542466" pageId="0" pageNumber="23">5C</figureCitation>
,
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Gnorimosphaeroma oregonense ♀ Non-type SEM. LACM: DISCO: 11164 A dorsum B pereopod 1 seta C pereopod 7 setae." figureDoi="10.3897/zookeys.1037.63017.figure7" httpUri="https://binary.pensoft.net/fig/542468" pageId="0" pageNumber="23">7B</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.1037.63017.figure5" httpUri="https://binary.pensoft.net/fig/542466" pageId="0" pageNumber="23" start="Figure 5" startId="F5">
<paragraph pageId="0" pageNumber="23">
<emphasis bold="true" pageId="0" pageNumber="23">Figure 5.</emphasis>
<taxonomicName baseAuthorityName="Dana" baseAuthorityYear="1853" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma oregonense" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonense">
<emphasis italics="true" pageId="0" pageNumber="23">Gnorimosphaeroma oregonense</emphasis>
</taxonomicName>
♂ Neotype LACM:DISCO:7028. All appendages from right
<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
pereopod 1
<emphasis bold="true" pageId="0" pageNumber="23">B</emphasis>
pereopod 2
<emphasis bold="true" pageId="0" pageNumber="23">C</emphasis>
pereopod 7.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="23">
<emphasis italics="true" pageId="0" pageNumber="23">Penial processes</emphasis>
length 3.8
<normalizedToken originalValue="×">x</normalizedToken>
basal width; close set (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gnorimosphaeroma oregonense ♂ Non-type LACM: DISCO: 11161 A penes in ventral view with relative position to pleopods. ♂ Neotype. LACM: DISCO: 7028. All appendages from right B-F pleopods 1 - 5." figureDoi="10.3897/zookeys.1037.63017.figure6" httpUri="https://binary.pensoft.net/fig/542467" pageId="0" pageNumber="23">6A</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.1037.63017.figure6" httpUri="https://binary.pensoft.net/fig/542467" pageId="0" pageNumber="23" start="Figure 6" startId="F6">
<paragraph pageId="0" pageNumber="23">
<emphasis bold="true" pageId="0" pageNumber="23">Figure 6.</emphasis>
<taxonomicName baseAuthorityName="Dana" baseAuthorityYear="1853" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma oregonense" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonense">
<emphasis italics="true" pageId="0" pageNumber="23">Gnorimosphaeroma oregonense</emphasis>
</taxonomicName>
♂ Non-type LACM:DISCO:11161
<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
penes in ventral view with relative position to pleopods. ♂ Neotype. LACM:DISCO:7028. All appendages from right
<emphasis bold="true" pageId="0" pageNumber="23">B-F</emphasis>
pleopods 1-5.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="23">
<emphasis italics="true" pageId="0" pageNumber="23">Pleopod 1</emphasis>
(Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gnorimosphaeroma oregonense ♂ Non-type LACM: DISCO: 11161 A penes in ventral view with relative position to pleopods. ♂ Neotype. LACM: DISCO: 7028. All appendages from right B-F pleopods 1 - 5." figureDoi="10.3897/zookeys.1037.63017.figure6" httpUri="https://binary.pensoft.net/fig/542467" pageId="0" pageNumber="23">6B</figureCitation>
) peduncle length 0.38
<normalizedToken originalValue="×">x</normalizedToken>
width with 4 coupling hooks; exopod length 1.5
<normalizedToken originalValue="×">x</normalizedToken>
width, 1.1
<normalizedToken originalValue="×">x</normalizedToken>
endopod length.
<emphasis italics="true" pageId="0" pageNumber="23">Pleopod 2</emphasis>
(Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gnorimosphaeroma oregonense ♂ Non-type LACM: DISCO: 11161 A penes in ventral view with relative position to pleopods. ♂ Neotype. LACM: DISCO: 7028. All appendages from right B-F pleopods 1 - 5." figureDoi="10.3897/zookeys.1037.63017.figure6" httpUri="https://binary.pensoft.net/fig/542467" pageId="0" pageNumber="23">6C</figureCitation>
) peduncle length 0.34
<normalizedToken originalValue="×">x</normalizedToken>
width with 3 coupling hooks,
<emphasis italics="true" pageId="0" pageNumber="23">appendix masculina</emphasis>
length 8.5
<normalizedToken originalValue="×">x</normalizedToken>
width, 1.1
<normalizedToken originalValue="×">x</normalizedToken>
length of endopod, straight, proximally and medially slightly swollen, distally narrowing.
<emphasis italics="true" pageId="0" pageNumber="23">Pleopod 3</emphasis>
(Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gnorimosphaeroma oregonense ♂ Non-type LACM: DISCO: 11161 A penes in ventral view with relative position to pleopods. ♂ Neotype. LACM: DISCO: 7028. All appendages from right B-F pleopods 1 - 5." figureDoi="10.3897/zookeys.1037.63017.figure6" httpUri="https://binary.pensoft.net/fig/542467" pageId="0" pageNumber="23">6D</figureCitation>
) peduncle length 0.34
<normalizedToken originalValue="×">x</normalizedToken>
width with 3 coupling hooks.
<emphasis italics="true" pageId="0" pageNumber="23">Pleopods 1-4</emphasis>
exopods and endopods with PMS as figured (note: not all drawn, but indicated).
<emphasis italics="true" pageId="0" pageNumber="23">Pleopod 4</emphasis>
(Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gnorimosphaeroma oregonense ♂ Non-type LACM: DISCO: 11161 A penes in ventral view with relative position to pleopods. ♂ Neotype. LACM: DISCO: 7028. All appendages from right B-F pleopods 1 - 5." figureDoi="10.3897/zookeys.1037.63017.figure6" httpUri="https://binary.pensoft.net/fig/542467" pageId="0" pageNumber="23">6E</figureCitation>
) endopod and exopod subequal, exopod with transverse suture.
<emphasis italics="true" pageId="0" pageNumber="23">Pleopod 5</emphasis>
(Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gnorimosphaeroma oregonense ♂ Non-type LACM: DISCO: 11161 A penes in ventral view with relative position to pleopods. ♂ Neotype. LACM: DISCO: 7028. All appendages from right B-F pleopods 1 - 5." figureDoi="10.3897/zookeys.1037.63017.figure6" httpUri="https://binary.pensoft.net/fig/542467" pageId="0" pageNumber="23">6F</figureCitation>
) endopod and exopod subequal, endopod length 1.5
<normalizedToken originalValue="×">x</normalizedToken>
width, exopod length 2.1
<normalizedToken originalValue="×">x</normalizedToken>
width with 1 distal scale patch and 2 medial lateral scale patches.
</paragraph>
<paragraph pageId="0" pageNumber="23">
<emphasis italics="true" pageId="0" pageNumber="23">Uropod</emphasis>
extending to posterior margin of pleotelson.
<emphasis italics="true" pageId="0" pageNumber="23">Exopod</emphasis>
0.83
<normalizedToken originalValue="×">x</normalizedToken>
as long as endopod, 2.7
<normalizedToken originalValue="×">x</normalizedToken>
as wide; apex narrowly rounded; mesial margin with continuous row of PMS.
<emphasis italics="true" pageId="0" pageNumber="23">Endopod</emphasis>
3.8
<normalizedToken originalValue="×">x</normalizedToken>
as long as wide, lateral margin weakly convex, apex bluntly rounded.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="description">
<paragraph pageId="0" pageNumber="23">Description of female.</paragraph>
<paragraph pageId="0" pageNumber="23">
<emphasis italics="true" pageId="0" pageNumber="23">Body</emphasis>
length 2.4
<normalizedToken originalValue="×">x</normalizedToken>
width (Figs
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Gnorimosphaeroma oregonense A ♂ neotype. LACM: DISCO: 7028, lateral B ♀ non-type LACM: DISCO: 11164, lateral." figureDoi="10.3897/zookeys.1037.63017.figure2" httpUri="https://binary.pensoft.net/fig/542463" pageId="0" pageNumber="23">2B</figureCitation>
,
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma oregonense ♀ Non-type. LACM: DISCO: 11164 A clypeus and labrum B marsupium with three mancas." figureDoi="10.3897/zookeys.1037.63017.figure3" httpUri="https://binary.pensoft.net/fig/542464" pageId="0" pageNumber="23">3A, B</figureCitation>
,
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Gnorimosphaeroma oregonense ♀ Non-type SEM. LACM: DISCO: 11164 A dorsum B pereopod 1 seta C pereopod 7 setae." figureDoi="10.3897/zookeys.1037.63017.figure7" httpUri="https://binary.pensoft.net/fig/542468" pageId="0" pageNumber="23">7A</figureCitation>
,
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Gnorimosphaeroma oregonense ♀ Non-type SEM. LACM: DISCO: 11164 A head dorsum B clypeus and labrum ventral C pleotelson dorsal." figureDoi="10.3897/zookeys.1037.63017.figure8" httpUri="https://binary.pensoft.net/fig/542469" pageId="0" pageNumber="23">8A-C</figureCitation>
,
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Gnorimosphaeroma oregonense Non-type SEM. LACM: DISCO: 11164 A ♀ LACM: DISCO: 11164 lateral B ♀ LACM: DISCO: 11164 ventral view with oostegites." figureDoi="10.3897/zookeys.1037.63017.figure9" httpUri="https://binary.pensoft.net/fig/542470" pageId="0" pageNumber="23">9A, B</figureCitation>
).
<emphasis italics="true" pageId="0" pageNumber="23">Pleotelson</emphasis>
length 0.66
<normalizedToken originalValue="×">x</normalizedToken>
width (Fig.
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Gnorimosphaeroma oregonense ♀ Non-type SEM. LACM: DISCO: 11164 A head dorsum B clypeus and labrum ventral C pleotelson dorsal." figureDoi="10.3897/zookeys.1037.63017.figure8" httpUri="https://binary.pensoft.net/fig/542469" pageId="0" pageNumber="23">8C</figureCitation>
).
<emphasis italics="true" pageId="0" pageNumber="23">Uropodal</emphasis>
endopod (Figs
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Gnorimosphaeroma oregonense ♀ Non-type SEM. LACM: DISCO: 11164 A head dorsum B clypeus and labrum ventral C pleotelson dorsal." figureDoi="10.3897/zookeys.1037.63017.figure8" httpUri="https://binary.pensoft.net/fig/542469" pageId="0" pageNumber="23">8C</figureCitation>
,
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Gnorimosphaeroma oregonense Non-type SEM. LACM: DISCO: 11164 A ♀ LACM: DISCO: 11164 lateral B ♀ LACM: DISCO: 11164 ventral view with oostegites." figureDoi="10.3897/zookeys.1037.63017.figure9" httpUri="https://binary.pensoft.net/fig/542470" pageId="0" pageNumber="23">9B</figureCitation>
) as in male, longer than exopod, endopod just barely extending to posterior margin of pleotelson. Gravid female (Figs
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma oregonense ♀ Non-type. LACM: DISCO: 11164 A clypeus and labrum B marsupium with three mancas." figureDoi="10.3897/zookeys.1037.63017.figure3" httpUri="https://binary.pensoft.net/fig/542464" pageId="0" pageNumber="23">3B</figureCitation>
,
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Gnorimosphaeroma oregonense Non-type SEM. LACM: DISCO: 11164 A ♀ LACM: DISCO: 11164 lateral B ♀ LACM: DISCO: 11164 ventral view with oostegites." figureDoi="10.3897/zookeys.1037.63017.figure9" httpUri="https://binary.pensoft.net/fig/542470" pageId="0" pageNumber="23">9B</figureCitation>
) estimated to be able to brood 8-10 mancas.
</paragraph>
<caption doi="10.3897/zookeys.1037.63017.figure7" httpUri="https://binary.pensoft.net/fig/542468" pageId="0" pageNumber="23" start="Figure 7" startId="F7">
<paragraph pageId="0" pageNumber="23">
<emphasis bold="true" pageId="0" pageNumber="23">Figure 7.</emphasis>
<taxonomicName baseAuthorityName="Dana" baseAuthorityYear="1853" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma oregonense" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonense">
<emphasis italics="true" pageId="0" pageNumber="23">Gnorimosphaeroma oregonense</emphasis>
</taxonomicName>
♀ Non-type SEM. LACM:DISCO:11164
<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
dorsum
<emphasis bold="true" pageId="0" pageNumber="23">B</emphasis>
pereopod 1 seta
<emphasis bold="true" pageId="0" pageNumber="23">C</emphasis>
pereopod 7 setae.
</paragraph>
</caption>
<caption doi="10.3897/zookeys.1037.63017.figure8" httpUri="https://binary.pensoft.net/fig/542469" pageId="0" pageNumber="23" start="Figure 8" startId="F8">
<paragraph pageId="0" pageNumber="23">
<emphasis bold="true" pageId="0" pageNumber="23">Figure 8.</emphasis>
<taxonomicName baseAuthorityName="Dana" baseAuthorityYear="1853" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma oregonense" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonense">
<emphasis italics="true" pageId="0" pageNumber="23">Gnorimosphaeroma oregonense</emphasis>
</taxonomicName>
♀ Non-type SEM. LACM:DISCO:11164
<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
head dorsum
<emphasis bold="true" pageId="0" pageNumber="23">B</emphasis>
clypeus and labrum ventral
<emphasis bold="true" pageId="0" pageNumber="23">C</emphasis>
pleotelson dorsal.
</paragraph>
</caption>
<caption doi="10.3897/zookeys.1037.63017.figure9" httpUri="https://binary.pensoft.net/fig/542470" pageId="0" pageNumber="23" start="Figure 9" startId="F9">
<paragraph pageId="0" pageNumber="23">
<emphasis bold="true" pageId="0" pageNumber="23">Figure 9.</emphasis>
<taxonomicName baseAuthorityName="Dana" baseAuthorityYear="1853" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma oregonense" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonense">
<emphasis italics="true" pageId="0" pageNumber="23">Gnorimosphaeroma oregonense</emphasis>
</taxonomicName>
Non-type SEM. LACM:DISCO:11164
<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
♀ LACM:DISCO:11164 lateral
<emphasis bold="true" pageId="0" pageNumber="23">B</emphasis>
♀ LACM:DISCO:11164 ventral view with oostegites.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="description">
<paragraph pageId="0" pageNumber="23">Size.</paragraph>
<paragraph pageId="0" pageNumber="23">
Largest ♂ to 8.5 mm, largest ♀ to 6 mm.
<bibRefCitation author="United States Exploring Expedition" journalOrPublisher="Sherman, Philadelphia" pageId="0" pageNumber="23" pagination="689 - 1618" refId="B14" refString="United States Exploring Expedition, 1853. Crustacea. Part II. In: During the years 1838, 1839, 1840, 1841, 1842. Under the command of Charles Wilkes. U.S.N.C. Sherman, Philadelphia 14: 689 - 1618" title="Crustacea. Part II." volume="14" volumeTitle="During the years 1838, 1839, 1840, 1841, 1842. Under the command of Charles Wilkes. U. S. N. C." year="1853">Dana (1853)</bibRefCitation>
gave no measurements.
<bibRefCitation DOI="https://doi.org/10.1139/f26-002" author="Fee, AR" journalOrPublisher="Contributions to Canadian Biology and Fisheries" pageId="0" pageNumber="23" pagination="13 - 47" refId="B17" refString="Fee, AR, 1926. The Isopoda of Departure Bay and vicinity, with descriptions of new species, variations and colour notes. Contributions to Canadian Biology and Fisheries 3 (2): 13 - 47, DOI: https://doi.org/10.1139/f26-002" title="The Isopoda of Departure Bay and vicinity, with descriptions of new species, variations and colour notes." url="https://doi.org/10.1139/f26-002" volume="3" year="1926">Fee (1926</bibRefCitation>
: 8, 9) records the largest specimens as being &quot;ca. 1 cm. long; one-half as long as wide.&quot;
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="color">
<paragraph pageId="0" pageNumber="23">Color.</paragraph>
<paragraph pageId="0" pageNumber="23">When preserved in ethanol, specimens quickly become pale buff to whitish.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="distribution">
<paragraph pageId="0" pageNumber="23">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="23">British Columbia, Vancouver to California, San Francisco.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="23" type="remarks">
<paragraph pageId="0" pageNumber="23">Remarks.</paragraph>
<paragraph pageId="0" pageNumber="23">The species occurs only in fully marine habitats in the intertidal to an unknown depth. A single lot indicated that it was collected by night light, and another that specimens were collected on floats among fouling organisms. None of the material examined indicates depth.</paragraph>
<paragraph pageId="0" pageNumber="23">
<bibRefCitation author="Kussakin, OG" journalOrPublisher="National Academy of Sciences, USSR, Zoology [Opredeliteli po Faune SSR, Akademiya Nauk, SSSR]" pageId="0" pageNumber="23" pagination="1 - 470" refId="B30" refString="Kussakin, OG, 1979. Marine and brackish-water Isopoda of cold and temperate (boreal) waters of the Northern Hemisphere. Part 1. Flabellifera, Valvifera, and Tyloidea). National Academy of Sciences, USSR, Zoology [Opredeliteli po Faune SSR, Akademiya Nauk, SSSR] 122: 1 - 470" title="Marine and brackish-water Isopoda of cold and temperate (boreal) waters of the Northern Hemisphere. Part 1. Flabellifera, Valvifera, and Tyloidea)." volume="122" year="1979">Kussakin (1979)</bibRefCitation>
reported
<taxonomicName lsidName="G. oregonense" pageId="0" pageNumber="23" rank="species" species="oregonense">
<emphasis italics="true" pageId="0" pageNumber="23">G. oregonense</emphasis>
</taxonomicName>
from Alaska, Popov Island to San Francisco Bay, California.
<bibRefCitation author="Kussakin, OG" journalOrPublisher="National Academy of Sciences, USSR, Zoology [Opredeliteli po Faune SSR, Akademiya Nauk, SSSR]" pageId="0" pageNumber="23" pagination="1 - 470" refId="B30" refString="Kussakin, OG, 1979. Marine and brackish-water Isopoda of cold and temperate (boreal) waters of the Northern Hemisphere. Part 1. Flabellifera, Valvifera, and Tyloidea). National Academy of Sciences, USSR, Zoology [Opredeliteli po Faune SSR, Akademiya Nauk, SSSR] 122: 1 - 470" title="Marine and brackish-water Isopoda of cold and temperate (boreal) waters of the Northern Hemisphere. Part 1. Flabellifera, Valvifera, and Tyloidea)." volume="122" year="1979">Kussakin (1979)</bibRefCitation>
figured
<taxonomicName lsidName="G. oregonense" pageId="0" pageNumber="23" rank="species" species="oregonense">
<emphasis italics="true" pageId="0" pageNumber="23">G. oregonense</emphasis>
</taxonomicName>
from the collections of the Zoological Institute of the Academy of Sciences of the USSR. He noted that it is widely distributed with males reaching a length of 12 mm and females up to 8 mm, and that it occurred widely from Alaska to California. It is not clear what the specific localities of the figured specimens were (
<bibRefCitation author="Kussakin, OG" journalOrPublisher="National Academy of Sciences, USSR, Zoology [Opredeliteli po Faune SSR, Akademiya Nauk, SSSR]" pageId="0" pageNumber="23" pagination="1 - 470" refId="B30" refString="Kussakin, OG, 1979. Marine and brackish-water Isopoda of cold and temperate (boreal) waters of the Northern Hemisphere. Part 1. Flabellifera, Valvifera, and Tyloidea). National Academy of Sciences, USSR, Zoology [Opredeliteli po Faune SSR, Akademiya Nauk, SSSR] 122: 1 - 470" title="Marine and brackish-water Isopoda of cold and temperate (boreal) waters of the Northern Hemisphere. Part 1. Flabellifera, Valvifera, and Tyloidea)." volume="122" year="1979">Kussakin 1979</bibRefCitation>
: 407) nor of those deposited in the Russian collections. We were unable to locate and access these specimens. Kussakin reported that the specimens he examined were predominantly littoral, but can be sublittoral to 22 m, on rocks, under rocks, less often on sand, and sometimes in empty shipworm tubes. Kussakin remarked it is a good swimmer, and sometimes turns up in night light samples. It can tolerate salinities as low as 9‰. Since we were not able to re-examine
<normalizedToken originalValue="Kussakins">Kussakin's</normalizedToken>
specimens, we cannot verify that the
<taxonomicName authorityName="Menzies" authorityYear="1954" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="23">Gnorimosphaeroma</emphasis>
</taxonomicName>
he identified are the same species as
<taxonomicName lsidName="G. oregonense" pageId="0" pageNumber="23" rank="species" species="oregonense">
<emphasis italics="true" pageId="0" pageNumber="23">G. oregonense</emphasis>
</taxonomicName>
from the type locality and described here. Furthermore, our genetic data clearly distinguishes between fully marine and low salinity specimens and recognizes these as distinct species (see below). We do not include
<normalizedToken originalValue="Kussakins">Kussakin's</normalizedToken>
specimens in the synonymy (
<taxonomicName baseAuthorityName="Dana" baseAuthorityYear="1853" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gnorimosphaeroma oregonense" order="Isopoda" pageId="0" pageNumber="23" phylum="Arthropoda" rank="species" species="oregonense">
<emphasis italics="true" pageId="0" pageNumber="23">Gnorimosphaeroma oregonense</emphasis>
</taxonomicName>
: Kussakin, 1979: 406, figs 260-262.)
</paragraph>
</subSubSection>
</treatment>
</document>