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<document id="620090352D1D43E5F0683810AE34F36D" ID-DOI="10.1093/zoolinnean/zlad010" ID-ISSN="0024-4082" ID-ZooBank="9B8367A2-727A-451E-A922-AD88CDEA5E66" IM.bibliography_approvedBy="carolina" IM.illustrations_approvedBy="carolina" IM.materialsCitations_approvedBy="carolina" IM.metadata_approvedBy="carolina" IM.tables_approvedBy="carolina" IM.taxonomicNames_approvedBy="carolina" IM.treatments_approvedBy="carolina" checkinTime="1689235797895" checkinUser="plazi" docAuthor="Copilaș-Ciocianu, Denis, Palatov, Dmitry, Rewicz, Tomasz, Sands, Arthur F., Arbačiauskas, Kęstutis, Haaren, Ton Van, Hebert, Paul D. N., Grabowski, Michał &amp; Marin, Ivan" docDate="2023" docId="03D287C20A026820450EF9FB3FF72971" docLanguage="en" docName="zlad010.pdf" docOrigin="Zoological Journal of the Linnean Society 198" docStyle="DocumentStyle:36B3BD6A90C22AB4F7F465C853188CC8.7:ZoolJLinnSoc.2017-.journal_article" docStyleId="36B3BD6A90C22AB4F7F465C853188CC8" docStyleName="ZoolJLinnSoc.2017-.journal_article" docStyleVersion="7" docTitle="Spirogammarus COPILAȘ-CIOCIANU, PALATOV, MARIN &amp; GRABOWSKI GEN. NOV., GEN. NOV." docType="treatment" docVersion="1" lastPageNumber="832" masterDocId="FFEBFFBA0A08682B4659FFFD3B1C2A11" masterDocTitle="A widespread Ponto-Caspian invader with a mistaken identity: integrative taxonomy elucidates the confusing taxonomy of Trichogammarus trichiatus (= Echinogammarus) (Crustacea: Amphipoda)" masterLastPageNumber="846" masterPageNumber="821" pageNumber="831" updateTime="1689530409047" updateUser="carolina">
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<mods:title id="ED47E6AF79B0F3D34864EF6879489F05">A widespread Ponto-Caspian invader with a mistaken identity: integrative taxonomy elucidates the confusing taxonomy of Trichogammarus trichiatus (= Echinogammarus) (Crustacea: Amphipoda)</mods:title>
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<mods:namePart id="9CB435EE94DB0A3345A5106BA7BDC368">Copilaș-Ciocianu, Denis</mods:namePart>
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<mods:namePart id="9EFE60665A557E3408BC78616CC343E7">Rewicz, Tomasz</mods:namePart>
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<mods:namePart id="F3023F951B40826E269B9E64E5490003">Sands, Arthur F.</mods:namePart>
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<mods:namePart id="0D9EA6CDEEBB03C1983214C8C41B61A3">Arbačiauskas, Kęstutis</mods:namePart>
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<mods:namePart id="D320BE6943F7982223497FBA72B3F374">Haaren, Ton Van</mods:namePart>
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<mods:namePart id="71BF8A37847ECD682D37674CDFC10624">Hebert, Paul D. N.</mods:namePart>
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<mods:namePart id="DD2EB2A377124F7F1D932938EE2CC03B">Grabowski, Michał</mods:namePart>
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<mods:namePart id="7B302ADDBB93B3AB01E897B18D1722F7">Marin, Ivan</mods:namePart>
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<mods:date id="7A9A3CEFF60E7E3D928A9673E7A38043">2023</mods:date>
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<mods:number id="3795DA83E6947183E98656B609388465">198</mods:number>
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<taxonomicName id="4C7B4D570A02682145F7F9FA3E4E2C2C" authority="COPILAS-CIOCIANU, PALATOV, MARIN &amp; GRABOWSKI, 2023" class="Malacostraca" family="Gammaridae" genus="Spirogammarus" kingdom="Animalia" order="Amphipoda" pageId="10" pageNumber="831" phylum="Arthropoda" rank="genus">
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<emphasis id="B90FEAC60A02682145F7F9FA3F612C0E" bold="true" box="[942,1149,1543,1567]" italics="true" pageId="10" pageNumber="831">SPIROGAMMARUS</emphasis>
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,
<paragraph id="8BC436D40A026821453EF9D83E4E2C2C" blockId="10.[855,1378,1542,1598]" box="[871,1362,1573,1598]" pageId="10" pageNumber="831">
<heading id="D08C81B80A026821453EF9D83E4E2C2C" box="[871,1362,1573,1598]" centered="true" fontSize="9" level="2" pageId="10" pageNumber="831" reason="3">
<smallCapsWord id="8D22A0080A026821453EF9D838D22C2C" baselines="1592,1592" box="[871,974,1573,1598]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Palatov" pageId="10" pageNumber="831">PALATOV</smallCapsWord>
,
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&amp;
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<emphasis id="B90FEAC60A0268214282F9D43E0F2C2C" bold="true" box="[1243,1299,1573,1597]" pageId="10" pageNumber="831">
<smallCapsWord id="8D22A0080A0268214282F9D43E102C2D" baselines="1591" box="[1243,1292,1577,1596]" lowerCaseFontSize="8" mainFontSize="10" normCase="lower" normString="gen" pageId="10" pageNumber="831">GEN</smallCapsWord>
.
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<smallCapsWord id="8D22A0080A0268214343F9D43E572C2D" baselines="1591" box="[1306,1355,1577,1596]" lowerCaseFontSize="8" mainFontSize="10" normCase="lower" normString="nov" pageId="10" pageNumber="831">NOV</smallCapsWord>
.
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</paragraph>
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<emphasis id="B90FEAC60A0268214570F9A43F652C7F" box="[809,1145,1624,1646]" italics="true" pageId="10" pageNumber="831">Z o o B a n k r e g i s t r a t i o n:</emphasis>
u r n: l s i d: z o o b a n k. o r g: a c t:
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<typeStatus id="54C088760A0268214570F93F387E2CC6" box="[809,866,1730,1751]" pageId="10" pageNumber="831">Type</typeStatus>
and only species:
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<taxonomicName id="4C7B4D570A0268214217F93F3F0F2CE7" authority="CarauSu, 1943" authorityName="CarauSu" authorityYear="1943" class="Malacostraca" family="Gammaridae" genus="Chaetogammarus" kingdom="Animalia" order="Amphipoda" pageId="10" pageNumber="831" phylum="Arthropoda" rank="subSpecies" species="tenellus" subSpecies="major">
<emphasis id="B90FEAC60A0268214217F93F38702CE7" italics="true" pageId="10" pageNumber="831">Chaetogammarus tenellus major</emphasis>
<bibRefCitation id="EFEA4B250A026821452AF91C3F0F2CE7" author="Carausu S" box="[883,1043,1760,1783]" pageId="10" pageNumber="831" refId="ref13239" refString="Carausu S. 1943. Amphipodes de Roumanie I. Gammarides de type Caspian. Bucharest: Institutul de Cercetari Piscicole al Romaniei." type="book" year="1943">CărăuȘu, 1943</bibRefCitation>
</taxonomicName>
.
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<emphasis id="B90FEAC60A0268214570F8F738BA2D0E" box="[809,934,1802,1823]" italics="true" pageId="10" pageNumber="831">Diagnosis:</emphasis>
Large
<taxonomicName id="4C7B4D570A026821425AF8F73FCA2D0E" authorityName="Stebbing" authorityYear="1899" box="[1027,1238,1802,1823]" class="Malacostraca" family="Gammaridae" genus="Echinogammarus" kingdom="Animalia" order="Amphipoda" pageId="10" pageNumber="831" phylum="Arthropoda" rank="genus">
<emphasis id="B90FEAC60A026821425AF8F73FCA2D0E" box="[1027,1238,1802,1823]" italics="true" pageId="10" pageNumber="831">Echinogammarus</emphasis>
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-like gammarid amphipods (≤
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). Body smooth and non-carinate. Head anterolateral lobe straight. Antenna 1 poorly setose, accessory flagellum well developed (up to nine articles). Antenna 2 flagellum and peduncle segments densely set with tufts of setae twice as long as the width of underlying segment (distally coiled in males), calceoli absent. Gnathopod 1 propodus subequal to gnathopod 2 propodus. Posterior margin of carpal and meral (sometimes ischial) articles of pereopod 3 set with dense and distally coiled setae as long as/longer than the width of underlying segment; pereopods 47 with sparse and short setae, dominated by spines. Uropod 3 exopod with dense setae as long as/longer than the width of underlying segment (coiled in males); endopod short and rudimentary; pleonites unarmed dorsally; epimeral plates with spines only (second straight; third with produced inferoposterior corner); urosomites 12 without elevations, armed with four dorsolateral clusters of two to four spines. Telson fully cleft, as long as broad, armed with distal and lateral spines, with lobes abruptly tapering distally.
</paragraph>
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<subSubSection id="C361655F0A03682046FAFCD13FBA2AEB" pageId="11" pageNumber="832" type="etymology">
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<emphasis id="B90FEAC60A03682046FAFCD13A322950" box="[163,302,812,833]" italics="true" pageId="11" pageNumber="832">Etymology:</emphasis>
From the Latin
<emphasis id="B90FEAC60A0368204454FCD139512950" box="[525,589,812,833]" italics="true" pageId="11" pageNumber="832">spira</emphasis>
, meaning coil/ spiral, with reference to the coiled setae found on the antennae, gnathopods, pereopods and uropod
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males. The gender is masculine.
</paragraph>
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<subSubSection id="C361655F0A0368204562FEDF3FF72971" pageId="11" pageNumber="832" type="discussion">
<paragraph id="8BC436D40A0368204562FEDF3FF72971" blockId="11.[827,1443,290,864]" pageId="11" pageNumber="832">
<emphasis id="B90FEAC60A0368204562FEDF3F932B29" box="[827,1167,290,312]" italics="true" pageId="11" pageNumber="832">
Remarks:
<taxonomicName id="4C7B4D570A036820459EFEDE3F932B29" box="[967,1167,291,312]" class="Malacostraca" family="Gammaridae" genus="Spirogammarus" kingdom="Animalia" order="Amphipoda" pageId="11" pageNumber="832" phylum="Arthropoda" rank="genus">Spirogammarus</taxonomicName>
</emphasis>
can be distinguished readily from any species of
<taxonomicName id="4C7B4D570A03682042CCFEBC3E772B47" authorityName="MARTYNOV" authorityYear="1924" box="[1173,1387,321,342]" class="Malacostraca" family="Gammaridae" genus="Chaetogammarus" kingdom="Animalia" order="Amphipoda" pageId="11" pageNumber="832" phylum="Arthropoda" rank="genus">
<emphasis id="B90FEAC60A03682042CCFEBC3E772B47" box="[1173,1387,321,342]" italics="true" pageId="11" pageNumber="832">Chaetogammarus</emphasis>
</taxonomicName>
and
<emphasis id="B90FEAC60A0368204562FE9D3F362B64" box="[827,1066,352,373]" italics="true" pageId="11" pageNumber="832">
<taxonomicName id="4C7B4D570A0368204562FE9D3F182B64" authorityName="Stebbing" authorityYear="1899" box="[827,1028,352,373]" class="Malacostraca" family="Gammaridae" genus="Echinogammarus" kingdom="Animalia" order="Amphipoda" pageId="11" pageNumber="832" phylum="Arthropoda" rank="genus" sensu="lato">Echinogammarus</taxonomicName>
<taxonomicNameLabel id="A23C57BD0A0368204253FE9D3F362B64" box="[1034,1066,352,373]" pageId="11" pageNumber="832" sensu="lato">s.l.</taxonomicNameLabel>
</emphasis>
by the presence of dense, distally coiled setae on the carpus and merus of pereopod 3 that are as long as/longer than the width of the underlying segment in both sexes. To our knowledge, no
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<emphasis id="B90FEAC60A036820453BFE273F262BFE" box="[866,1082,474,495]" italics="true" pageId="11" pageNumber="832">Echinogammarus</emphasis>
</taxonomicName>
-like taxa have females with coiled setae on the carpus and the merus of pereopod 3 (
<bibRefCitation id="EFEA4B250A036820451CFDE53F1F283C" author="Pinkster S" box="[837,1027,536,558]" pageId="11" pageNumber="832" pagination="1 - 183" refId="ref15638" refString="Pinkster S. 1993. A revision of the genus Echinogammarus (Stebbing, 1899) with some notes on related genera. Memorie del Museo CiVico di Storia Naturale, (lia serie), (Sezione scienze della Vita. A, Biologia) 10: 1 - 183." type="journal article" year="1993">Pinkster, 1993</bibRefCitation>
).
<taxonomicName id="4C7B4D570A036820427BFDE53FEC283C" box="[1058,1264,536,557]" class="Malacostraca" family="Gammaridae" genus="Spirogammarus" kingdom="Animalia" order="Amphipoda" pageId="11" pageNumber="832" phylum="Arthropoda" rank="genus">
<emphasis id="B90FEAC60A036820427BFDE53FEC283C" box="[1058,1264,536,557]" italics="true" pageId="11" pageNumber="832">Spirogammarus</emphasis>
</taxonomicName>
is similar to
<taxonomicName id="4C7B4D570A0368204562FDCB3E75285A" authority="Pinkster &amp; Stock, 1970" authorityName="Pinkster &amp; Stock" authorityYear="1970" box="[827,1385,566,588]" class="Malacostraca" family="Gammaridae" genus="Echinogammarus" kingdom="Animalia" order="Amphipoda" pageId="11" pageNumber="832" phylum="Arthropoda" rank="species" species="tibaldii">
<emphasis id="B90FEAC60A0368204562FDCB3F42285A" box="[827,1118,566,587]" italics="true" pageId="11" pageNumber="832">Echinogammarus tibaldii</emphasis>
Pinkster &amp; Stock, 1970
</taxonomicName>
with respect to the highly developed setosity of antenna 2, pereopod 3 and weakly setose pereopods 57 (
<bibRefCitation id="EFEA4B250A0368204364FD89386F28B6" author="Pinkster S" pageId="11" pageNumber="832" pagination="1 - 183" refId="ref15638" refString="Pinkster S. 1993. A revision of the genus Echinogammarus (Stebbing, 1899) with some notes on related genera. Memorie del Museo CiVico di Storia Naturale, (lia serie), (Sezione scienze della Vita. A, Biologia) 10: 1 - 183." type="journal article" year="1993">Pinkster, 1993</bibRefCitation>
). However,
<taxonomicName id="4C7B4D570A03682045A7FD6E3FA728B9" box="[1022,1211,659,680]" class="Malacostraca" family="Gammaridae" genus="Spirogammarus" kingdom="Animalia" order="Amphipoda" pageId="11" pageNumber="832" phylum="Arthropoda" rank="genus">
<emphasis id="B90FEAC60A03682045A7FD6E3FA728B9" box="[1022,1211,659,680]" italics="true" pageId="11" pageNumber="832">Spirogammarus</emphasis>
</taxonomicName>
is distinguished by the weak setation of antenna 1 (highly developed), higher number of articles in the accessory flagellum (nine vs. five), coiled setae on gnathopod propodi and uropod 3 (non-coiled), and absence of long setae along the distal margin of epimeres. For further comparisons, see Supporting Information, Table S4.
</paragraph>
</subSubSection>
</treatment>
</document>