197 lines
25 KiB
XML
197 lines
25 KiB
XML
<document id="152B2509AE529BCFFAD4C2319AECD141" ID-DOI="10.1163/18759866-BJA10061" ID-ISSN="1875-9866" ID-Zenodo-Dep="12518921" IM.bibliography_approvedBy="juliana" IM.illustrations_approvedBy="juliana" IM.materialsCitations_approvedBy="juliana" IM.metadata_approvedBy="juliana" IM.taxonomicNames_approvedBy="juliana" IM.treatments_approvedBy="juliana" checkinTime="1719244263854" checkinUser="felipe" docAuthor="Copilaş-Ciocianu, Denis & Ionesi, Viorel" docDate="2024" docId="6705878F647CFFC5FF1EFB2E252BFD6A" docLanguage="en" docName="ContribZool.93.3.268-288.pdf" docOrigin="Contributions to Zoology 93" docSource="http://dx.doi.org/10.1163/18759866-bja10061" docStyle="DocumentStyle:E1C3C5FD6CDDA08D62BFE928526826AF.3:ContribZool.2019-.journal_article" docStyleId="E1C3C5FD6CDDA08D62BFE928526826AF" docStyleName="ContribZool.2019-.journal_article" docStyleVersion="3" docTitle="Eogmelina prisca Copilaş-Ciocianu & Ionesi, 2024, gen. et sp. nov." docType="treatment" docVersion="1" lastPageNumber="280" masterDocId="9B3CFFF76477FFC9FF9FFF932419FFD7" masterDocTitle="New Miocene fossil taxa illuminate the evolution and paleobiogeography of the Ponto-Caspian gammaroid amphipod radiation" masterLastPageNumber="288" masterPageNumber="268" pageNumber="279" updateTime="1729258561795" updateUser="juliana" zenodo-license-document="CC-BY-4.0">
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<mods:title id="BAD8CE3788519A53DDC348C8A95B16E1">New Miocene fossil taxa illuminate the evolution and paleobiogeography of the Ponto-Caspian gammaroid amphipod radiation</mods:title>
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<mods:name id="7BA81A97D33EA5EC9CEF95709C0E0F4E" type="personal">
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<mods:roleTerm id="2EDFA9C3732542443A82215525B4629E">Author</mods:roleTerm>
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<mods:namePart id="9C2EA587874C481D6D88965B8E0DC71F">Copilaş-Ciocianu, Denis</mods:namePart>
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<mods:nameIdentifier id="9CC92371A983E43AE19A239188A0A2C6" type="ORCID">0000-0002-6374-2365</mods:nameIdentifier>
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<mods:affiliation id="95D86F317115BA00FB596A3AC2362A26">Laboratory of Evolutionary Ecology of Hydrobionts, Nature Research Centre, 08412 Vilnius, Lithuania denis. copilas-ciocianu @ gamtc. lt</mods:affiliation>
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<mods:nameIdentifier id="88537675195F90074257E6FFD457ECD6" type="email">denis.copilas-ciocianu@gamtc.lt</mods:nameIdentifier>
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<mods:roleTerm id="384CE1FA51524CDA06D68B1C796AE1A6">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="45A6BBF11411EE6EC684E1DA1F80848E">Ionesi, Viorel</mods:namePart>
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<mods:nameIdentifier id="BFA2003AB65A8A39A0938EB72A3514F2" type="ORCID">0000-0003-0122-3655</mods:nameIdentifier>
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<mods:affiliation id="75210E8A03C4888DFD4470C2158496E7">Department of Geology, Alexandru Ioan Cuza University of Iași, Iași 700506, Romania RECEIVED 1 FEBRUARY 2024; REVISED 12 MARCH 2024; ACCEPTED 12 MARCH 2024;</mods:affiliation>
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<mods:typeOfResource id="B949D740CFBF1C24DA20D164D8ABB6AD">text</mods:typeOfResource>
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<mods:title id="3B0F4657097F625E3E0D2353A0269335">Contributions to Zoology</mods:title>
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<mods:part id="6BF4A8A2AD82AA46A2F1209C58E274FC">
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<mods:date id="B851BC56E585F1FD0D9FCDAF8EF0A362">2024</mods:date>
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<mods:number id="BF565F81DDF6360C7B7E55FD3EFE478D">2024-03-29</mods:number>
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<mods:number id="574EE2EBCFA0D37E6F30F9BD3BEA5CAA">93</mods:number>
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<mods:url id="BE0089118D73B6D2D90B45986EE5912D">http://dx.doi.org/10.1163/18759866-bja10061</mods:url>
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<mods:identifier id="2EEDF8F0AB60FF06761E95638C3D453D" type="DOI">10.1163/18759866-BJA10061</mods:identifier>
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<mods:identifier id="29736386C4728C09BFE9F7517626A38B" type="ISSN">1875-9866</mods:identifier>
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<mods:identifier id="D223EC0364D1031EAAE1F271AD465C43" type="Zenodo-Dep">12518921</mods:identifier>
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<treatment id="6705878F647CFFC5FF1EFB2E252BFD6A" LSID="urn:lsid:plazi:treatment:6705878F647CFFC5FF1EFB2E252BFD6A" httpUri="http://treatment.plazi.org/id/6705878F647CFFC5FF1EFB2E252BFD6A" lastPageId="12" lastPageNumber="280" pageId="11" pageNumber="279">
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<subSubSection id="A7B66512647CFFC2FF1EFB2E265BFB00" box="[129,578,1213,1239]" pageId="11" pageNumber="279" type="nomenclature">
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<paragraph id="EF133699647CFFC2FF1EFB2E265BFB00" blockId="11.[129,640,1213,1311]" box="[129,578,1213,1239]" pageId="11" pageNumber="279">
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†
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<taxonomicName id="28AC4D1A647CFFC2FF0FFB2E2554FB01" ID-CoL="CCKVV" authorityName="Copilaş-Ciocianu & Ionesi" authorityYear="2024" box="[144,333,1213,1239]" class="Malacostraca" family="Gammaridae" genus="Eogmelina" higherTaxonomySource="CoL" kingdom="Animalia" order="Amphipoda" pageId="11" pageNumber="279" phylum="Arthropoda" rank="species" species="prisca" status="gen. et sp. nov.">
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<emphasis id="DDD8EA8B647CFFC2FF0FFB2E2554FB01" box="[144,333,1213,1239]" italics="true" pageId="11" pageNumber="279">Eogmelina prisca</emphasis>
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</taxonomicName>
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||
<taxonomicNameLabel id="C6EB57F0647CFFC2FECDFB2E25EDFB00" box="[338,500,1213,1239]" pageId="11" pageNumber="279" rank="species">gen. et sp. nov.</taxonomicNameLabel>
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(
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||
<figureCitation id="77972A1C647CFFC2FD9EFB2E2620FB00" box="[513,569,1213,1239]" captionStart="FIGURE 6" captionStartId="10.[98,165,1050,1071]" captionTargetBox="[98,898,164,1022]" captionTargetId="figure-188@10.[98,898,164,1022]" captionTargetPageId="10" captionText="FIGURE 6 †Eogmelina prisca gen.et sp. nov.On the right are interpretative drawings of the corresponding fossils on the left.(A) Holotype male (inventory No. 8241,Vlădiceni quarry), (B) paratype male (inventory No. 8242, Iași City), (C) disarticulated remains of unknown sex (inventory No.8243,Vlădiceni quarry).Scale bars = 1 mm.Abbreviations:A = antenna; B = basis; C = coxa; G = gnathopod; H = head; P = pereonite; PL = pleonite; PP = pereopod; U = urosomite; UP = uropod; T = telson." figureDoi="http://doi.org/10.5281/zenodo.12518935" httpUri="https://zenodo.org/record/12518935/files/figure.png" pageId="11" pageNumber="279">fig. 6</figureCitation>
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)
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="A7B66512647CFFC2FF1EFB722587FAC8" pageId="11" pageNumber="279" type="description">
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||
<paragraph id="EF133699647CFFC2FF1EFB722587FAC8" blockId="11.[129,640,1213,1311]" pageId="11" pageNumber="279">LSID urn:lsid:zoobank.org:act:AFE20C61-1FEB -4C09-83B5-C57351542214</paragraph>
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</subSubSection>
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||
<subSubSection id="A7B66512647CFFC2FF1EFADE20BAFF3E" pageId="11" pageNumber="279" type="materials_examined">
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||
<paragraph id="EF133699647CFFC2FF1EFADE257BF97E" blockId="11.[129,650,1356,1778]" pageId="11" pageNumber="279">
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<emphasis id="DDD8EA8B647CFFC2FF1EFADE253CFAB1" box="[129,293,1356,1382]" italics="true" pageId="11" pageNumber="279">Type material</emphasis>
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.
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<materialsCitation id="5FC43CC4647CFFC2FEA1FADF2577FA79" latitude="47.13442" location="Vladiceni" longLatPrecision="1" longitude="27.65734" municipality="Vladiceni" pageId="11" pageNumber="279" specimenCode="8241" specimenCount="1" specimenCount-male="1" typeStatus="holotype">
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<typeStatus id="3017883B647CFFC2FEA1FADF25B0FAB1" box="[318,425,1356,1382]" pageId="11" pageNumber="279" type="holotype">Holotype</typeStatus>
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:
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<specimenCount id="F9AAFD10647CFFC2FE5FFADF25EEFAB1" box="[448,503,1356,1382]" pageId="11" pageNumber="279" type="male">male</specimenCount>
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||
(inventory No.
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<specimenCode id="BF0A9EE2647CFFC2FF2EFAE324FAFA5D" box="[177,227,1392,1418]" pageId="11" pageNumber="279">8241</specimenCode>
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,
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<location id="EA736042647CFFC2FF6DFAE32545FA5D" LSID="urn:lsid:plazi:treatment:6705878F647CFFC5FF1EFB2E252BFD6A:EA736042647CFFC2FF6DFAE32545FA5D" box="[242,348,1392,1418]" name="Vladiceni" pageId="11" pageNumber="279">Vlădiceni</location>
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quarry),
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<quantity id="28549B7C647CFFC2FE53FAE32630FA5C" box="[460,553,1392,1419]" metricMagnitude="-2" metricUnit="m" metricValue="1.48" pageId="11" pageNumber="279" unit="mm" value="14.8">14.8 mm</quantity>
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, lateral impression (
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<figureCitation id="77972A1C647CFFC2FE8FFA07257BFA79" box="[272,354,1428,1454]" captionStart="FIGURE 6" captionStartId="10.[98,165,1050,1071]" captionTargetBox="[98,898,164,1022]" captionTargetId="figure-188@10.[98,898,164,1022]" captionTargetPageId="10" captionText="FIGURE 6 †Eogmelina prisca gen.et sp. nov.On the right are interpretative drawings of the corresponding fossils on the left.(A) Holotype male (inventory No. 8241,Vlădiceni quarry), (B) paratype male (inventory No. 8242, Iași City), (C) disarticulated remains of unknown sex (inventory No.8243,Vlădiceni quarry).Scale bars = 1 mm.Abbreviations:A = antenna; B = basis; C = coxa; G = gnathopod; H = head; P = pereonite; PL = pleonite; PP = pereopod; U = urosomite; UP = uropod; T = telson." figureDoi="http://doi.org/10.5281/zenodo.12518935" httpUri="https://zenodo.org/record/12518935/files/figure.png" pageId="11" pageNumber="279">fig. 6A</figureCitation>
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).
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</materialsCitation>
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||
<materialsCitation id="5FC43CC4647CFFC2FEE6FA06258FFA21" latitude="47.13442" location="Iasi City" longLatPrecision="1" longitude="27.65734" municipality="Iasi City" pageId="11" pageNumber="279" specimenCode="8242" specimenCount="1" specimenCount-male="1" typeStatus="paratype">
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||
<typeStatus id="3017883B647CFFC2FEE6FA0625C7FA78" box="[377,478,1429,1455]" pageId="11" pageNumber="279" type="paratype">Paratype</typeStatus>
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||
:
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<specimenCount id="F9AAFD10647CFFC2FE72FA07263DFA79" box="[493,548,1428,1454]" pageId="11" pageNumber="279" type="male">male</specimenCount>
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||
(inventory No.
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<specimenCode id="BF0A9EE2647CFFC2FF75FA2B2539FA05" box="[234,288,1464,1490]" pageId="11" pageNumber="279">8242</specimenCode>
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||
,
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||
<collectingMunicipality id="0F77ACE3647CFFC2FEB0FA2B258DFA05" box="[303,404,1464,1493]" pageId="11" pageNumber="279">Iași City</collectingMunicipality>
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||
),
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||
<quantity id="28549B7C647CFFC2FE34FA2B261DFA04" box="[427,516,1464,1491]" metricMagnitude="-2" metricUnit="m" metricValue="1.18" pageId="11" pageNumber="279" unit="mm" value="11.8">11.8 mm</quantity>
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||
, dorso-lateral impression (
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<figureCitation id="77972A1C647CFFC2FEA1FA4F2590FA21" box="[318,393,1500,1526]" captionStart="FIGURE 6" captionStartId="10.[98,165,1050,1071]" captionTargetBox="[98,898,164,1022]" captionTargetId="figure-188@10.[98,898,164,1022]" captionTargetPageId="10" captionText="FIGURE 6 †Eogmelina prisca gen.et sp. nov.On the right are interpretative drawings of the corresponding fossils on the left.(A) Holotype male (inventory No. 8241,Vlădiceni quarry), (B) paratype male (inventory No. 8242, Iași City), (C) disarticulated remains of unknown sex (inventory No.8243,Vlădiceni quarry).Scale bars = 1 mm.Abbreviations:A = antenna; B = basis; C = coxa; G = gnathopod; H = head; P = pereonite; PL = pleonite; PP = pereopod; U = urosomite; UP = uropod; T = telson." figureDoi="http://doi.org/10.5281/zenodo.12518935" httpUri="https://zenodo.org/record/12518935/files/figure.png" pageId="11" pageNumber="279">fig. 6B</figureCitation>
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||
).
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</materialsCitation>
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||
<materialsCitation id="5FC43CC4647CFFC2FE02FA4F257BF97E" location="Vladiceni" pageId="11" pageNumber="279" specimenCode="8243" specimenCount="1">
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Additional material: disarticulated remains from an individual of unknown sex (inventory No.
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||
<specimenCode id="BF0A9EE2647CFFC2FE4CF9B72611F9E9" box="[467,520,1572,1598]" pageId="11" pageNumber="279">8243</specimenCode>
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||
,
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<location id="EA736042647CFFC2FD89F9B72699F9E9" LSID="urn:lsid:plazi:treatment:6705878F647CFFC5FF1EFB2E252BFD6A:EA736042647CFFC2FD89F9B72699F9E9" box="[534,640,1572,1598]" name="Vladiceni" pageId="11" pageNumber="279">Vlădiceni</location>
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quarry), consisting of last two pereonites, al pleonites, and pereopod bases 5–7, lateral impression (
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<figureCitation id="77972A1C647CFFC2FE94F91C254FF97E" box="[267,342,1679,1705]" captionStart="FIGURE 6" captionStartId="10.[98,165,1050,1071]" captionTargetBox="[98,898,164,1022]" captionTargetId="figure-188@10.[98,898,164,1022]" captionTargetPageId="10" captionText="FIGURE 6 †Eogmelina prisca gen.et sp. nov.On the right are interpretative drawings of the corresponding fossils on the left.(A) Holotype male (inventory No. 8241,Vlădiceni quarry), (B) paratype male (inventory No. 8242, Iași City), (C) disarticulated remains of unknown sex (inventory No.8243,Vlădiceni quarry).Scale bars = 1 mm.Abbreviations:A = antenna; B = basis; C = coxa; G = gnathopod; H = head; P = pereonite; PL = pleonite; PP = pereopod; U = urosomite; UP = uropod; T = telson." figureDoi="http://doi.org/10.5281/zenodo.12518935" httpUri="https://zenodo.org/record/12518935/files/figure.png" pageId="11" pageNumber="279">fig. 6C</figureCitation>
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).
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</materialsCitation>
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</paragraph>
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<paragraph id="EF133699647CFFC2FF00F92720BAFF3E" blockId="11.[129,650,1356,1778]" lastBlockId="11.[650,1219,171,1777]" pageId="11" pageNumber="279">
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<emphasis id="DDD8EA8B647CFFC2FF00F92724CAF91A" box="[159,211,1716,1741]" italics="true" pageId="11" pageNumber="279">Type</emphasis>
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locality and age.
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<collectingMunicipality id="0F77ACE3647CFFC2FE25F920263DF91A" box="[442,548,1715,1741]" pageId="11" pageNumber="279">Vlădiceni</collectingMunicipality>
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||
quarry (
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<geoCoordinate id="8A98505E647CFFC2FF18F94424E6F925" box="[135,255,1751,1778]" degrees="47.13442" direction="north" orientation="latitude" pageId="11" pageNumber="279" precision="1" value="47.13442">47.13442 N</geoCoordinate>
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||
,
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||
<geoCoordinate id="8A98505E647CFFC2FEBAF94425A1F926" box="[293,440,1751,1778]" degrees="27.65734" direction="east" orientation="longitude" pageId="11" pageNumber="279" precision="1" value="27.65734">27.65734 E</geoCoordinate>
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), via
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<location id="EA736042647CFFC2FD86F94A2705FF12" LSID="urn:lsid:plazi:treatment:6705878F647CFFC5FF1EFB2E252BFD6A:EA736042647CFFC2FD86F94A2705FF12" latitude="47.13442" longLatPrecision="1" longitude="27.65734" municipality="Vladiceni" name="Open Cryptomactra Formation" pageId="11" pageNumber="279">
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||
Open
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<taxonomicName id="28AC4D1A647CFFC2FE78F94B2699F925" authorityName="Andrussow" authorityYear="1902" box="[487,640,1752,1778]" class="Bivalvia" family="Mactridae" genus="Cryptomactra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Venerida" pageId="11" pageNumber="279" phylum="Mollusca" rank="genus">
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||
<emphasis id="DDD8EA8B647CFFC2FE78F94B2699F925" box="[487,640,1752,1778]" italics="true" pageId="11" pageNumber="279">Cryptomactra</emphasis>
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</taxonomicName>
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Formation
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</location>
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,
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<location id="EA736042647CFFC2FCABFF3827BBFF12" LSID="urn:lsid:plazi:treatment:6705878F647CFFC5FF1EFB2E252BFD6A:EA736042647CFFC2FCABFF3827BBFF12" box="[820,930,171,197]" latitude="47.13442" longLatPrecision="1" longitude="27.65734" municipality="Vladiceni" name="Tortonian" pageId="11" pageNumber="279">Tortonian</location>
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||
international stage/
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<location id="EA736042647CFFC2FD3BFF5C2730FF3E" LSID="urn:lsid:plazi:treatment:6705878F647CFFC5FF1EFB2E252BFD6A:EA736042647CFFC2FD3BFF5C2730FF3E" box="[676,809,207,233]" latitude="47.13442" longLatPrecision="1" longitude="27.65734" municipality="Vladiceni" name="Bessarabian" pageId="11" pageNumber="279">Bessarabian</location>
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regional stage, ca. 10.5 Ma (
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<figureCitation id="77972A1C647CFFC2FBCDFF5C208EFF3E" box="[1106,1175,207,233]" captionStart="FIGURE 1" captionStartId="2.[98,165,763,784]" captionTargetBox="[100,961,165,734]" captionTargetId="figure-177@2.[98,962,164,735]" captionTargetPageId="2" captionText="FIGURE 1 Paleogeographic and geological setting.A) Map of the Ponto-Caspian region. The area marked with transparent white indicates the maximum extent of the Paratethys 11 Ma ago (Palcu et al., 2021).The green dot represents the newly discovered fossil amphipod sites from Romania, while the black dots indicate previously known fossiliferous locations from the Caucasus (Azerbaijan and Russia).B) Close-up map of Iași City, Romania, (https://www.openstreetmap.org /#map=12/47.1449/27.6062) showing the location of the study sites (Site 1 – construction site in Iași City; Site 2 – Vlădiceni quarry).C) Upper part shows a chronostratigraphic chart of the Eastern Paratethys and its correlation to the Global Time Scale (Raffi et al., 2020).The stratigraphic age of the sites from this study are indicated with green, while the previously known sites from the Caucasus are indicated with black.The lower part is a geological cross section of the focal area indicating the lithostratigraphic context and altitude (modified after Ionesi et al. 2005). Sampling sites are indicated with green dots. D) Photographs of the two study sites from the current study. PHOTO BY IONESI V." figureDoi="http://doi.org/10.5281/zenodo.12518923" httpUri="https://zenodo.org/record/12518923/files/figure.png" pageId="11" pageNumber="279">fig. 1C</figureCitation>
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).
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</paragraph>
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||
</subSubSection>
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<subSubSection id="A7B66512647CFFC2FD5DFF60277CFEAE" pageId="11" pageNumber="279" type="etymology">
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<paragraph id="EF133699647CFFC2FD5DFF60277CFEAE" blockId="11.[650,1219,171,1777]" pageId="11" pageNumber="279">
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||
<emphasis id="DDD8EA8B647CFFC2FD5DFF60272CFEDA" box="[706,821,243,269]" italics="true" pageId="11" pageNumber="279">Etymology</emphasis>
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. The specific epithet comes from Latin
|
||
<taxonomicName id="28AC4D1A647CFFC2FD79FE8B2730FEE6" authorityName="Copilaş-Ciocianu & Ionesi" authorityYear="2024" box="[742,809,280,305]" class="Malacostraca" family="Gammaridae" genus="Eogmelina" higherTaxonomySource="CoL" kingdom="Animalia" order="Amphipoda" pageId="11" pageNumber="279" phylum="Arthropoda" rank="species" species="prisca">
|
||
<emphasis id="DDD8EA8B647CFFC2FD79FE8B2730FEE6" box="[742,809,280,305]" italics="true" pageId="11" pageNumber="279">prisca</emphasis>
|
||
</taxonomicName>
|
||
meaning ancient, in reference to its lack of armature, which is considered a plesiomorphic state.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="A7B66512647CFFC2FD5DFE172752FE16" pageId="11" pageNumber="279" type="diagnosis">
|
||
<paragraph id="EF133699647CFFC2FD5DFE172752FE16" blockId="11.[650,1219,171,1777]" pageId="11" pageNumber="279">
|
||
<emphasis id="DDD8EA8B647CFFC2FD5DFE172737FE4A" box="[706,814,388,413]" italics="true" pageId="11" pageNumber="279">Diagnosis</emphasis>
|
||
. See diagnosis for
|
||
<taxonomicName id="28AC4D1A647CFFC2FB8DFE1720BAFE4A" authorityName="Copilaş-Ciocianu & Ionesi" authorityYear="2024" box="[1042,1187,387,413]" class="Malacostraca" family="Gammaridae" genus="Eogmelina" higherTaxonomySource="CoL" kingdom="Animalia" order="Amphipoda" pageId="11" pageNumber="279" phylum="Arthropoda" rank="species" species="moldavica">
|
||
<emphasis id="DDD8EA8B647CFFC2FB8DFE1720BAFE4A" box="[1042,1187,387,413]" italics="true" pageId="11" pageNumber="279">E. moldavica</emphasis>
|
||
</taxonomicName>
|
||
gen. et. sp. nov.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="A7B66512647CFFC5FD5DFE5925DAFEDA" lastPageId="12" lastPageNumber="280" pageId="11" pageNumber="279" type="description">
|
||
<paragraph id="EF133699647CFFC5FD5DFE5925DAFEDA" blockId="11.[650,1219,171,1777]" lastBlockId="12.[98,610,171,701]" lastPageId="12" lastPageNumber="280" pageId="11" pageNumber="279">
|
||
<emphasis id="DDD8EA8B647CFFC2FD5DFE592782FE33" box="[706,923,458,484]" italics="true" pageId="11" pageNumber="279">General description</emphasis>
|
||
.
|
||
<emphasis id="DDD8EA8B647CFFC2FC34FE5927FDFE32" bold="true" box="[939,996,458,485]" italics="true" pageId="11" pageNumber="279">Body</emphasis>
|
||
. Relatively large and robust gammarid (up to
|
||
<quantity id="28549B7C647CFFC2FB99FE7D2048FDDE" box="[1030,1105,494,521]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="11" pageNumber="279" unit="mm" value="15.0">15 mm</quantity>
|
||
). Body smooth, without dorsal or lateral projections. Head length subequal to the combined length of the following two pereonites, lacking rostrum, antennal sinuses superficial, of similar depth. Coxal plates 1–3 taller than wide, taller than the corresponding tergal segments. Coxal plate 4 as tall as wide, slightly taller than corresponding tergal segment. Epimere 1 distal margin rounded, epimeres 2–3 disto-posterior corner pointed. Urosomites free and flat, devoid of tubercles or spines. Telson longer than broad, lobes oval, cleft all the way.
|
||
<emphasis id="DDD8EA8B647CFFC2FD3BFC522700FC0C" bold="true" box="[676,793,961,987]" italics="true" pageId="11" pageNumber="279">Antennae.</emphasis>
|
||
Antenna 1 peduncle robust and short, subequal to head length, not reaching the distal end of the 4th peduncular article of antenna 2. Peduncular segment 1 subequal to the combined length of segments 2 + 3. Antenna 2 peduncle well developed, longer than head.
|
||
<emphasis id="DDD8EA8B647CFFC2FCBEFB0B27B4FB64" bold="true" box="[801,941,1176,1203]" italics="true" pageId="11" pageNumber="279">Gnathopods</emphasis>
|
||
. Propodi of both gnathopods rectangular, similar in length and shape, moderately developed (0.1 of body length), palm length subequal to posterior margin.
|
||
<emphasis id="DDD8EA8B647CFFC2FC9AFABB2763FA94" bold="true" box="[773,890,1320,1347]" italics="true" pageId="11" pageNumber="279">Pereopods</emphasis>
|
||
. Pereopods 3–4 subequal in length and of similar construction, carpus linear, longer than broad, without signs of expansion. Pereopods 5–7 well developed and robust (at least 0.4 of body length), bases taller than broad, without posterior lobes, propodi subequal to carpi, dactyli moderately developed and relatively straight.
|
||
<emphasis id="DDD8EA8B647CFFC2FBA3F9B02084F9E9" bold="true" box="[1084,1181,1571,1598]" italics="true" pageId="11" pageNumber="279">Uropods</emphasis>
|
||
. Uropod 1 rami subequal, shorter than peduncle, of senticaudatan
|
||
<typeStatus id="3017883B647CFFC2FC3FF9FF27CDF951" box="[928,980,1644,1670]" pageId="11" pageNumber="279">type</typeStatus>
|
||
. Uropod 2 poorly visible, but shorter than uropod 1. Uropod
|
||
<specimenCount id="F9AAFD10647CFFC2FB09F91C20BBF97E" box="[1174,1186,1679,1705]" count="3" pageId="11" pageNumber="279" type="generic" typeStatus="Type">3</specimenCount>
|
||
well developed Downloaded(0.16 from of Brill. body com 06/21 length/2024), 06: reach-25:54PM. This ing is well an open beyond access the article distal distributed end of under uropod the 1, terms both rami lanceolate longer than peduncle, endopod reaching 0.9 exopod length.
|
||
<emphasis id="DDD8EA8B647BFFC5FD8AFF5C24F7FED9" bold="true" italics="true" pageId="12" pageNumber="280">Sexual dimorphism</emphasis>
|
||
. Female unknown.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<paragraph id="EF133699647CFFC2FDD6F94B2693F930" blockId="11.[129,650,1356,1778]" box="[585,650,1752,1767]" pageId="11" pageNumber="279">Access</paragraph>
|
||
<footnote id="8CB72A97647CFFC2FC4DF97E20DAF8C5" pageId="11" pageNumber="279">
|
||
<paragraph id="EF133699647CFFC2FC4DF97E20DAF8C5" blockId="11.[796,1220,1773,1810]" pageId="11" pageNumber="279">of the CC BY 4.0 license. https://creativecommons.org/licenses/by/4.0/</paragraph>
|
||
</footnote>
|
||
<subSubSection id="A7B66512647BFFC5FF1EFE8B252BFD6A" pageId="12" pageNumber="280" type="discussion">
|
||
<paragraph id="EF133699647BFFC5FF1EFE8B252BFD6A" blockId="12.[98,610,171,701]" pageId="12" pageNumber="280">
|
||
<emphasis id="DDD8EA8B647BFFC5FF1EFE8B257BFEE6" box="[129,354,279,306]" italics="true" pageId="12" pageNumber="280">Systematic remarks</emphasis>
|
||
. The monophyly of
|
||
<taxonomicName id="28AC4D1A647BFFC5FFFDFEA824CEFE82" authorityName="Copilaş-Ciocianu & Ionesi" authorityYear="2024" box="[98,215,315,341]" class="Malacostraca" family="Gammaridae" genus="Egomelina" kingdom="Animalia" order="Amphipoda" pageId="12" pageNumber="280" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="DDD8EA8B647BFFC5FFFDFEA824CEFE82" box="[98,215,315,341]" italics="true" pageId="12" pageNumber="280">Egomelina</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="C6EB57F0647BFFC5FF7CFEAF2552FE81" box="[227,331,316,342]" pageId="12" pageNumber="280" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
is weakly supported in ML and BA analyses, while the genus is paraphyletic in MP analyses. This is very likely due to several missing characters for
|
||
<taxonomicName id="28AC4D1A647BFFC5FD9BFE3B267BFE16" authorityName="Copilaş-Ciocianu & Ionesi" authorityYear="2024" box="[516,610,424,449]" class="Malacostraca" family="Gammaridae" genus="Eogmelina" higherTaxonomySource="CoL" kingdom="Animalia" order="Amphipoda" pageId="12" pageNumber="280" phylum="Arthropoda" rank="species" species="prisca">
|
||
<emphasis id="DDD8EA8B647BFFC5FD9BFE3B267BFE16" box="[516,610,424,449]" italics="true" pageId="12" pageNumber="280">E. prisca</emphasis>
|
||
</taxonomicName>
|
||
gen nov. et sp. nov. due to the incompletely preserved antennae. However, both species are closer to each other in phenetic and morphometric analyses than to the other fossil taxa. As such, we prefer to take a conservative stance and provisionally assign both species to the same genus.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |