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186 lines
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<document id="C42EB651B491B0D78E97797E75273FCE" ID-DOI="10.5281/zenodo.174347" ID-GBIF-Dataset="3d71c6df-0cab-440a-82fc-13fc024f855c" ID-ISSN="1175-5326" ID-Zenodo-Dep="174347" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459795686746" checkinUser="plazi" docAuthor="Ituarte, Cristián & Korniushin, Alexei Victor" docDate="2006" docId="03CF87D4FF940E50FE844F62693DEACD" docLanguage="en" docName="zt01338p047.pdf" docOrigin="Zootaxa 1338" docStyle="DocumentStyle:FA7E419B012A62B0FC3AC15A186C3DAF.3:Zootaxa.2001-2006.journal_article" docStyleId="FA7E419B012A62B0FC3AC15A186C3DAF" docStyleName="Zootaxa.2001-2006.journal_article" docStyleVersion="3" docTitle="Pisidium vile Pilsbry 1897" docType="treatment" docVersion="8" lastPageNumber="42" masterDocId="FFF6FFACFF9D0E5AFF8C4E7E6D4BEB63" masterDocTitle="Anatomical characteristics of two enigmatic and two poorly known Pisidium species (Bivalvia: Sphaeriidae) from Southern South America" masterLastPageNumber="47" masterPageNumber="33" pageNumber="42" updateTime="1698219706233" updateUser="plazi">
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<mods:title id="B567343D6227A266E941B9BF54F6E161">Anatomical characteristics of two enigmatic and two poorly known Pisidium species (Bivalvia: Sphaeriidae) from Southern South America</mods:title>
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<mods:namePart id="5D78B8E0875AD7BBF5FB39EDC24AFB16">Ituarte, Cristián</mods:namePart>
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<mods:namePart id="6E66F7628C12612E36CBA25C85856E6F">Korniushin, Alexei Victor</mods:namePart>
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<mods:typeOfResource id="AF5A095FF830247FFEF08D98697BD0CE">text</mods:typeOfResource>
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<mods:title id="3E1CF373BB23D6010E2116D8B76CB2D0">Zootaxa</mods:title>
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<mods:part id="5783664B8882DA7CC93EE7780A5B040A">
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<mods:date id="7B7AD72E38A965364041CFD71097EA72">2006</mods:date>
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<mods:detail id="AC9772D99951DE520A32430623AF7832" type="volume">
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<mods:number id="386A69C4F192243311C95697AC84AF46">1338</mods:number>
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<mods:identifier id="4FDBF9A6AA07C81CBC62BA3A7618A563" type="DOI">10.5281/zenodo.174347</mods:identifier>
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<mods:identifier id="1206D8E0EC872444DDEABB87C163FE77" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="95BB64CB92F07640E7F2E07C28760B6D" type="Zenodo-Dep">174347</mods:identifier>
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<treatment id="03CF87D4FF940E50FE844F62693DEACD" ID-DOI="http://doi.org/10.5281/zenodo.6260769" ID-GBIF-Taxon="119351085" ID-Zenodo-Dep="6260769" LSID="urn:lsid:plazi:treatment:03CF87D4FF940E50FE844F62693DEACD" httpUri="http://treatment.plazi.org/id/03CF87D4FF940E50FE844F62693DEACD" lastPageId="10" lastPageNumber="42" pageId="9" pageNumber="42">
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<subSubSection id="C37C6549FF940E53FE844F626CD8EA3A" pageId="9" pageNumber="42" type="nomenclature">
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<paragraph id="8BD936C2FF940E53FE844F626F06EA56" blockId="9.[264,589,283,345]" box="[264,589,283,310]" pageId="9" pageNumber="42">
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<heading id="D09181AEFF940E53FE844F626F06EA56" bold="true" box="[264,589,283,310]" fontSize="11" level="1" pageId="9" pageNumber="42" reason="1">
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<taxonomicName id="4C664D41FF940E53FE844F626F06EA56" authority="Pilsbry, 1897" authorityName="Pilsbry" authorityYear="1897" box="[264,589,283,310]" class="Bivalvia" family="Sphaeriidae" genus="Pisidium" kingdom="Animalia" order="Veneroida" pageId="9" pageNumber="42" phylum="Mollusca" rank="species" species="vile">
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<emphasis id="B912EAD0FF940E53FE844F626F06EA56" bold="true" box="[264,589,283,310]" pageId="9" pageNumber="42">
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<emphasis id="B912EAD0FF940E53FE844F626CEEEA55" bold="true" box="[264,421,284,310]" italics="true" pageId="9" pageNumber="42">Pisidium vile</emphasis>
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<bibRefCitation id="EFF74B33FF940E53FE204F656F06EA56" author="Pilsbry" box="[428,589,283,309]" pageId="9" pageNumber="47" refString="Pilsbry, H. A. (1897) New species of mollusks from Uruguay. Proceedings of the Academy of Natural Sciences of Philadelphia, May, 1897, 290 - 298 + pl." type="proceedings paper" year="1897">Pilsbry, 1897</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8BD936C2FF940E53FE844F416CD8EA3A" blockId="9.[264,589,283,345]" box="[264,403,319,345]" pageId="9" pageNumber="42">
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<figureCitation id="135D2A47FF940E53FE844F416C33EA3A" box="[264,376,319,345]" captionStart="FIGURES 7 A – F" captionStartId="10.[264,382,1187,1211]" captionTargetBox="[264,1323,486,1162]" captionTargetId="figure@10.[264,1323,486,1162]" captionTargetPageId="10" captionText="FIGURES 7 A – F. Pisidium vile. A, B. Syntypes (ANSP 70489). A. Right valve, lateral view. B. Posterior view. C – F. Specimens from Arroyo Miguelín (MLP 5665). C. Posterolateral view, detail of escutcheon. D. Right valve, lateral view. E. Left valve, inner view. F. Right valve, inner view. Scale bars: A, B, D – F = 500 µm; C = 200 µm." httpUri="https://zenodo.org/record/174354/files/figure.png" pageId="9" pageNumber="42">Figures 7</figureCitation>
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,
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<figureCitation id="135D2A47FF940E53FE084F416CD8EA3A" box="[388,403,319,345]" captionStart="FIGURES 8 A – F" captionStartId="11.[264,382,1168,1192]" captionTargetBox="[315,1257,403,1149]" captionTargetId="figure@11.[302,1285,388,1178]" captionTargetPageId="11" captionText="FIGURES 8 A – F. Pisidium vile, anatomy. A, B. Lateral views of left (38) and right (39) inner mantle border showing siphonal and inner radial mantle muscles. C. Distribution of scars of inner radial mantle muscles. D. Inner view of inner demibranch showing position of developing brood sac. E. Left nephridium, dorsolateral view. F. Nephridia, dorsal view. (al: ascending lamellae; bs: brood sac; dl: descending lamellae; dln: dorsal lobe of nephridium; irm: inner radial mantle muscles; irms: scars of inner radial mantle muscles; ll: lateral loop of nephridium; pa: posterior adductor muscle; pl: pallial line; sr 1: anal siphon retractor; sr 2: retractor muscles corresponding to the lacking inhalant opening)." httpUri="https://zenodo.org/record/174355/files/figure.png" pageId="9" pageNumber="42">8</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C37C6549FF940E53FE844FF16E6BEAC6" box="[264,800,398,422]" pageId="9" pageNumber="42" type="reference_group">
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<paragraph id="8BD936C2FF940E53FE844FF16E6BEAC6" blockId="9.[264,800,398,422]" box="[264,800,398,422]" pageId="9" pageNumber="42">
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<treatmentCitationGroup id="AB7611ECFF940E53FE844FF16E6BEAC6" box="[264,800,398,422]" pageId="9" pageNumber="42">
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<taxonomicName id="4C664D41FF940E53FE844FF16F12EAC6" authority="Pilsbry, 1897:292" authorityName="Pilsbry" authorityPageNumber="292" authorityYear="1897" box="[264,601,398,422]" class="Bivalvia" family="Sphaeriidae" genus="Pisidium" kingdom="Animalia" order="Veneroida" pageId="9" pageNumber="42" phylum="Mollusca" rank="species" species="vile">
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<emphasis id="B912EAD0FF940E53FE844FF16CDFEAC5" box="[264,404,399,422]" italics="true" pageId="9" pageNumber="42">Pisidium vile</emphasis>
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<treatmentCitation id="0AC710D3FF940E53FE174FF06F12EAC6" author="Pilsbry" box="[411,601,398,421]" page="292" pageId="9" pageNumber="42" year="1897">
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<bibRefCitation id="EFF74B33FF940E53FE174FF06F61EAC6" author="Pilsbry" box="[411,554,398,421]" pageId="9" pageNumber="47" refString="Pilsbry, H. A. (1897) New species of mollusks from Uruguay. Proceedings of the Academy of Natural Sciences of Philadelphia, May, 1897, 290 - 298 + pl." type="proceedings paper" year="1897">Pilsbry, 1897</bibRefCitation>
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:292
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</treatmentCitation>
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</taxonomicName>
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, pl. 6, figs. 17–20.
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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<subSubSection id="C37C6549FF940E53FE844FA86FA2ED4A" pageId="9" pageNumber="42" type="description">
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<paragraph id="8BD936C2FF940E53FE844FA86E4DEF12" blockId="9.[264,1323,470,1897]" pageId="9" pageNumber="42">
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<emphasis id="B912EAD0FF940E53FE844FA86CE9EA93" bold="true" box="[264,418,470,496]" pageId="9" pageNumber="42">Description:</emphasis>
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Shell small (maximum observed L= 2.85, average= 2.2 ± 0.33), high (I H/L varying among localities between 85 ± 2 and 89.2
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<emphasis id="B912EAD0FF940E53FC0D4F816EDAE97B" box="[897,913,511,536]" italics="true" pageId="9" pageNumber="42">±</emphasis>
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2.3), inflated (Ci varying among localities between 79 ± 4 and 82.3
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<emphasis id="B912EAD0FF940E53FD304C596F87E923" box="[700,716,551,576]" italics="true" pageId="9" pageNumber="42">±</emphasis>
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4.6). Beaks wide at base, inflated and high, well visible over dorsal margin, sub-central or slightly displaced posteriorly (located at about 57–60% of L). Shell outline trapezoid, anterior end slightly protruded, posterior end nearly straight, truncated. Dorsal margin short, markedly curve, ventral margin widely curve. Shell surface brilliant, white or yellowish, with somewhat regularly well marked commarginal striae (
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<figureCitation id="135D2A47FF940E53FE764C916FEAE86A" box="[506,673,751,777]" captionStart="FIGURES 7 A – F" captionStartId="10.[264,382,1187,1211]" captionTargetBox="[264,1323,486,1162]" captionTargetId="figure@10.[264,1323,486,1162]" captionTargetPageId="10" captionText="FIGURES 7 A – F. Pisidium vile. A, B. Syntypes (ANSP 70489). A. Right valve, lateral view. B. Posterior view. C – F. Specimens from Arroyo Miguelín (MLP 5665). C. Posterolateral view, detail of escutcheon. D. Right valve, lateral view. E. Left valve, inner view. F. Right valve, inner view. Scale bars: A, B, D – F = 500 µm; C = 200 µm." httpUri="https://zenodo.org/record/174354/files/figure.png" pageId="9" pageNumber="42">Fig. 7A, B, D</figureCitation>
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). Hinge plate solid (
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<figureCitation id="135D2A47FF940E53FC1D4C916946E86A" box="[913,1037,751,777]" captionStart="FIGURES 7 A – F" captionStartId="10.[264,382,1187,1211]" captionTargetBox="[264,1323,486,1162]" captionTargetId="figure@10.[264,1323,486,1162]" captionTargetPageId="10" captionText="FIGURES 7 A – F. Pisidium vile. A, B. Syntypes (ANSP 70489). A. Right valve, lateral view. B. Posterior view. C – F. Specimens from Arroyo Miguelín (MLP 5665). C. Posterolateral view, detail of escutcheon. D. Right valve, lateral view. E. Left valve, inner view. F. Right valve, inner view. Scale bars: A, B, D – F = 500 µm; C = 200 µm." httpUri="https://zenodo.org/record/174354/files/figure.png" pageId="9" pageNumber="42">Fig. 7E, F</figureCitation>
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). Hinge line moderately long (Hil/L varying among localities between 56 ± 1.6 and 58
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<emphasis id="B912EAD0FF940E53FC6C4D696EBBE853" box="[992,1008,791,816]" italics="true" pageId="9" pageNumber="42">±</emphasis>
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3). Hinge: Left valve (
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<figureCitation id="135D2A47FF940E53FB774D696C66E83A" captionStart="FIGURES 7 A – F" captionStartId="10.[264,382,1187,1211]" captionTargetBox="[264,1323,486,1162]" captionTargetId="figure@10.[264,1323,486,1162]" captionTargetPageId="10" captionText="FIGURES 7 A – F. Pisidium vile. A, B. Syntypes (ANSP 70489). A. Right valve, lateral view. B. Posterior view. C – F. Specimens from Arroyo Miguelín (MLP 5665). C. Posterolateral view, detail of escutcheon. D. Right valve, lateral view. E. Left valve, inner view. F. Right valve, inner view. Scale bars: A, B, D – F = 500 µm; C = 200 µm." httpUri="https://zenodo.org/record/174354/files/figure.png" pageId="9" pageNumber="42">Fig. 7E</figureCitation>
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): inner cardinal tooth (C2) robust, with pointed cusp bent upward, outer cardinal (C4) slender, curved, covering C2 at posterior end; anterior (A2) and posterior (P2) lateral teeth robust with markedly displaced cusps. Right valve (
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<figureCitation id="135D2A47FF940E53FCF84DF16E84E8CA" box="[884,975,911,937]" captionStart="FIGURES 7 A – F" captionStartId="10.[264,382,1187,1211]" captionTargetBox="[264,1323,486,1162]" captionTargetId="figure@10.[264,1323,486,1162]" captionTargetPageId="10" captionText="FIGURES 7 A – F. Pisidium vile. A, B. Syntypes (ANSP 70489). A. Right valve, lateral view. B. Posterior view. C – F. Specimens from Arroyo Miguelín (MLP 5665). C. Posterolateral view, detail of escutcheon. D. Right valve, lateral view. E. Left valve, inner view. F. Right valve, inner view. Scale bars: A, B, D – F = 500 µm; C = 200 µm." httpUri="https://zenodo.org/record/174354/files/figure.png" pageId="9" pageNumber="42">Fig. 7F</figureCitation>
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): cardinal tooth (C3) minute, straight at anterior half, enlarged at posterior end in a triangular cup; inner anterior (A1) and inner posterior (A1) laterals quite robust, outer lateral teeth (A3, P3) reduced in size but strong. Ligament pit enclosed, ligament slender, moderately long (Li= 20 ± 1.4), not visible from exterior. Escutcheon marked by a delicate line, anterior half slightly elevated, over the anterior half of ligament (
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<figureCitation id="135D2A47FF940E53FD104A296FB3EF12" box="[668,760,1111,1137]" captionStart="FIGURES 7 A – F" captionStartId="10.[264,382,1187,1211]" captionTargetBox="[264,1323,486,1162]" captionTargetId="figure@10.[264,1323,486,1162]" captionTargetPageId="10" captionText="FIGURES 7 A – F. Pisidium vile. A, B. Syntypes (ANSP 70489). A. Right valve, lateral view. B. Posterior view. C – F. Specimens from Arroyo Miguelín (MLP 5665). C. Posterolateral view, detail of escutcheon. D. Right valve, lateral view. E. Left valve, inner view. F. Right valve, inner view. Scale bars: A, B, D – F = 500 µm; C = 200 µm." httpUri="https://zenodo.org/record/174354/files/figure.png" pageId="9" pageNumber="42">Fig. 7C</figureCitation>
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).
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</paragraph>
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<paragraph id="8BD936C2FF940E53FEB44A006F9CEE5A" blockId="9.[264,1323,470,1897]" pageId="9" pageNumber="42">
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<emphasis id="B912EAD0FF940E53FEB44A006CFEEFFB" bold="true" box="[312,437,1150,1176]" pageId="9" pageNumber="42">Anatomy:</emphasis>
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<emphasis id="B912EAD0FF940E53FE314A016F51EFFB" box="[445,538,1151,1176]" italics="true" pageId="9" pageNumber="42">Mantle:</emphasis>
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Only the anal mantle opening present, siphon retractor muscles of the same conditions as in
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<taxonomicName id="4C664D41FF940E53FDB44AD96E61EFA3" box="[568,810,1191,1216]" class="Bivalvia" family="Sphaeriidae" genus="Pisidium" kingdom="Animalia" order="Veneroida" pageId="9" pageNumber="42" phylum="Mollusca" rank="species" species="sterkianum">
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<emphasis id="B912EAD0FF940E53FDB44AD96E61EFA3" box="[568,810,1191,1216]" italics="true" pageId="9" pageNumber="42">Pisidium sterkianum</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C664D41FF940E53FCE84AD9690DEFA3" box="[868,1094,1191,1216]" class="Bivalvia" family="Sphaeriidae" genus="Pisidium" kingdom="Animalia" order="Veneroida" pageId="9" pageNumber="42" phylum="Mollusca" rank="species" species="dorbignyi">
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<emphasis id="B912EAD0FF940E53FCE84AD9690DEFA3" box="[868,1094,1191,1216]" italics="true" pageId="9" pageNumber="42">Pisidium dorbignyi</emphasis>
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</taxonomicName>
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(
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<figureCitation id="135D2A47FF940E53FBDA4AD9699DEFA2" box="[1110,1238,1191,1217]" captionStart="FIGURES 8 A – F" captionStartId="11.[264,382,1168,1192]" captionTargetBox="[315,1257,403,1149]" captionTargetId="figure@11.[302,1285,388,1178]" captionTargetPageId="11" captionText="FIGURES 8 A – F. Pisidium vile, anatomy. A, B. Lateral views of left (38) and right (39) inner mantle border showing siphonal and inner radial mantle muscles. C. Distribution of scars of inner radial mantle muscles. D. Inner view of inner demibranch showing position of developing brood sac. E. Left nephridium, dorsolateral view. F. Nephridia, dorsal view. (al: ascending lamellae; bs: brood sac; dl: descending lamellae; dln: dorsal lobe of nephridium; irm: inner radial mantle muscles; irms: scars of inner radial mantle muscles; ll: lateral loop of nephridium; pa: posterior adductor muscle; pl: pallial line; sr 1: anal siphon retractor; sr 2: retractor muscles corresponding to the lacking inhalant opening)." httpUri="https://zenodo.org/record/174355/files/figure.png" pageId="9" pageNumber="42">Fig. 8A, B</figureCitation>
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). Inner radial mantle muscles forming six strong, well defined, bundles, evenly distributed along the pedal slit. Muscle scars well defined only in anterior part of the shell where they are separate from the mantle line (
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<figureCitation id="135D2A47FF940E53FDE14B616F81EE5A" box="[621,714,1311,1337]" captionStart="FIGURES 8 A – F" captionStartId="11.[264,382,1168,1192]" captionTargetBox="[315,1257,403,1149]" captionTargetId="figure@11.[302,1285,388,1178]" captionTargetPageId="11" captionText="FIGURES 8 A – F. Pisidium vile, anatomy. A, B. Lateral views of left (38) and right (39) inner mantle border showing siphonal and inner radial mantle muscles. C. Distribution of scars of inner radial mantle muscles. D. Inner view of inner demibranch showing position of developing brood sac. E. Left nephridium, dorsolateral view. F. Nephridia, dorsal view. (al: ascending lamellae; bs: brood sac; dl: descending lamellae; dln: dorsal lobe of nephridium; irm: inner radial mantle muscles; irms: scars of inner radial mantle muscles; ll: lateral loop of nephridium; pa: posterior adductor muscle; pl: pallial line; sr 1: anal siphon retractor; sr 2: retractor muscles corresponding to the lacking inhalant opening)." httpUri="https://zenodo.org/record/174355/files/figure.png" pageId="9" pageNumber="42">Fig. 8C</figureCitation>
|
|||
|
|
).
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8BD936C2FF940E53FEB44B396C1FEEBA" blockId="9.[264,1323,470,1897]" pageId="9" pageNumber="42">
|
|||
|
|
<emphasis id="B912EAD0FF940E53FEB44B396C31EE03" box="[312,378,1351,1376]" italics="true" pageId="9" pageNumber="42">Gills:</emphasis>
|
|||
|
|
Only inner demibranch present. Developing brood pouch occupying the upper part of the inner demibranch, formed by 12 (in a
|
|||
|
|
<quantity id="4C9E9B27FF940E53FCDE4B116EE6EEEA" box="[850,941,1391,1417]" metricMagnitude="-3" metricUnit="m" metricValue="2.4" pageId="9" pageNumber="42" unit="mm" value="2.4">2.4 mm</quantity>
|
|||
|
|
long specimen) to 17 (in a
|
|||
|
|
<quantity id="4C9E9B27FF940E53FB7B4B116C7DEED2" metricMagnitude="-3" metricUnit="m" metricValue="2.75" pageId="9" pageNumber="42" unit="mm" value="2.75">2.75 mm</quantity>
|
|||
|
|
long specimen) filaments (
|
|||
|
|
<figureCitation id="135D2A47FF940E53FD0E4BE96FA8EED2" box="[642,739,1431,1457]" captionStart="FIGURES 8 A – F" captionStartId="11.[264,382,1168,1192]" captionTargetBox="[315,1257,403,1149]" captionTargetId="figure@11.[302,1285,388,1178]" captionTargetPageId="11" captionText="FIGURES 8 A – F. Pisidium vile, anatomy. A, B. Lateral views of left (38) and right (39) inner mantle border showing siphonal and inner radial mantle muscles. C. Distribution of scars of inner radial mantle muscles. D. Inner view of inner demibranch showing position of developing brood sac. E. Left nephridium, dorsolateral view. F. Nephridia, dorsal view. (al: ascending lamellae; bs: brood sac; dl: descending lamellae; dln: dorsal lobe of nephridium; irm: inner radial mantle muscles; irms: scars of inner radial mantle muscles; ll: lateral loop of nephridium; pa: posterior adductor muscle; pl: pallial line; sr 1: anal siphon retractor; sr 2: retractor muscles corresponding to the lacking inhalant opening)." httpUri="https://zenodo.org/record/174355/files/figure.png" pageId="9" pageNumber="42">Fig. 8D</figureCitation>
|
|||
|
|
). Between five and 11 embryos per pouch were found.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8BD936C2FF940E53FEB44B996FA2ED4A" blockId="9.[264,1323,470,1897]" pageId="9" pageNumber="42">
|
|||
|
|
<emphasis id="B912EAD0FF940E53FEB44B996C86ED63" box="[312,461,1511,1536]" italics="true" pageId="9" pageNumber="42">Nephridium:</emphasis>
|
|||
|
|
Of the closed
|
|||
|
|
<typeStatus id="54DD8860FF940E53FD0D4B996FFDED62" box="[641,694,1511,1537]" pageId="9" pageNumber="42">type</typeStatus>
|
|||
|
|
, with broad and rectangular dorsal lobe (
|
|||
|
|
<figureCitation id="135D2A47FF940E53FB2A4B996869ED62" box="[1190,1314,1511,1537]" captionStart="FIGURES 8 A – F" captionStartId="11.[264,382,1168,1192]" captionTargetBox="[315,1257,403,1149]" captionTargetId="figure@11.[302,1285,388,1178]" captionTargetPageId="11" captionText="FIGURES 8 A – F. Pisidium vile, anatomy. A, B. Lateral views of left (38) and right (39) inner mantle border showing siphonal and inner radial mantle muscles. C. Distribution of scars of inner radial mantle muscles. D. Inner view of inner demibranch showing position of developing brood sac. E. Left nephridium, dorsolateral view. F. Nephridia, dorsal view. (al: ascending lamellae; bs: brood sac; dl: descending lamellae; dln: dorsal lobe of nephridium; irm: inner radial mantle muscles; irms: scars of inner radial mantle muscles; ll: lateral loop of nephridium; pa: posterior adductor muscle; pl: pallial line; sr 1: anal siphon retractor; sr 2: retractor muscles corresponding to the lacking inhalant opening)." httpUri="https://zenodo.org/record/174355/files/figure.png" pageId="9" pageNumber="42">Fig. 8E, F</figureCitation>
|
|||
|
|
) and lateral loop visible from dorsal view.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection id="C37C6549FF940E53FEB448486F5AEDAA" pageId="9" pageNumber="42" type="materials_examined">
|
|||
|
|
<paragraph id="8BD936C2FF940E53FEB448486F5AEDAA" blockId="9.[264,1323,470,1897]" pageId="9" pageNumber="42">
|
|||
|
|
<emphasis id="B912EAD0FF940E53FEB448486F09ED33" bold="true" box="[312,578,1590,1616]" pageId="9" pageNumber="42">Examined material:</emphasis>
|
|||
|
|
<collectingCountry id="F3717652FF940E53FDD548496F8FED32" box="[601,708,1591,1617]" name="Uruguay" pageId="9" pageNumber="42">Uruguay</collectingCountry>
|
|||
|
|
:
|
|||
|
|
<typeStatus id="54DD8860FF940E53FD5348496E01ED32" box="[735,842,1591,1617]" pageId="9" pageNumber="42" type="syntype">Syntypes</typeStatus>
|
|||
|
|
(
|
|||
|
|
<collectionCode id="ED77AE07FF940E53FCE648496EFCED32" LSID="urn:lsid:biocol.org:col:34784" box="[874,951,1591,1617]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="9" pageNumber="42">ANSP</collectionCode>
|
|||
|
|
70489), Arroyo Miguelete, Montevideo (
|
|||
|
|
<geoCoordinate id="EE525005FF940E53FE2148216F7CED1A" box="[429,567,1631,1657]" direction="south" orientation="latitude" pageId="9" pageNumber="42" precision="15" value="-34.858055">34°51'29”S</geoCoordinate>
|
|||
|
|
,
|
|||
|
|
<geoCoordinate id="EE525005FF940E53FDC748216FABED1A" box="[587,736,1631,1657]" direction="west" orientation="longitude" pageId="9" pageNumber="42" precision="15" value="-56.170834">56°10'15”W</geoCoordinate>
|
|||
|
|
); Arroyo Miguelete, Montevideo (
|
|||
|
|
<collectionCode id="ED77AE07FF940E53FB1D48216984ED1A" box="[1169,1231,1631,1657]" httpUri="http://grbio.org/cool/66si-588n" name="Museo de La Plata" pageId="9" pageNumber="42">MLP</collectionCode>
|
|||
|
|
5665).
|
|||
|
|
<collectingCountry id="F3717652FF940E53FE8448F96CCAEDC2" box="[264,385,1671,1697]" name="Argentina" pageId="9" pageNumber="42">Argentina</collectingCountry>
|
|||
|
|
: Arroyo Miguelín, Ensenada (
|
|||
|
|
<geoCoordinate id="EE525005FF940E53FC8748F96EEDEDC2" box="[779,934,1671,1697]" direction="south" orientation="latitude" pageId="9" pageNumber="42" precision="15" value="-34.87583">34° 52'33”S</geoCoordinate>
|
|||
|
|
,
|
|||
|
|
<geoCoordinate id="EE525005FF940E53FC3048F96929EDC2" box="[956,1122,1671,1697]" direction="west" orientation="longitude" pageId="9" pageNumber="42" precision="15" value="-57.88222">57° 52'56”W</geoCoordinate>
|
|||
|
|
), Buenos Aires Province (
|
|||
|
|
<collectionCode id="ED77AE07FF940E53FEF348D16CF6EDAA" box="[383,445,1711,1737]" httpUri="http://grbio.org/cool/66si-588n" name="Museo de La Plata" pageId="9" pageNumber="42">MLP</collectionCode>
|
|||
|
|
5662).
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection id="C37C6549FF940E50FEB448A8693DEACD" lastPageId="10" lastPageNumber="43" pageId="9" pageNumber="42" type="discussion">
|
|||
|
|
<paragraph id="8BD936C2FF940E50FEB448A8693DEACD" blockId="9.[264,1323,470,1897]" lastBlockId="10.[264,1322,284,430]" lastPageId="10" lastPageNumber="43" pageId="9" pageNumber="42">
|
|||
|
|
<emphasis id="B912EAD0FF940E53FEB448A86CF8ED93" bold="true" box="[312,435,1750,1776]" pageId="9" pageNumber="42">Remarks:</emphasis>
|
|||
|
|
The high trapezoidal shell outline, the quite solid hinge plate and the reduced size, clearly identifies
|
|||
|
|
<taxonomicName id="4C664D41FF940E53FD0148816E66EC7B" box="[653,813,1791,1816]" class="Bivalvia" family="Sphaeriidae" genus="Pisidium" kingdom="Animalia" order="Veneroida" pageId="9" pageNumber="42" phylum="Mollusca" rank="species" species="vile">
|
|||
|
|
<emphasis id="B912EAD0FF940E53FD0148816E66EC7B" box="[653,813,1791,1816]" italics="true" pageId="9" pageNumber="42">Pisidium vile</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and separates it from other small South American species such as
|
|||
|
|
<taxonomicName id="4C664D41FF940E53FDEC49596E00EC23" box="[608,843,1831,1856]" class="Bivalvia" family="Sphaeriidae" genus="Pisidium" kingdom="Animalia" order="Veneroida" pageId="9" pageNumber="42" phylum="Mollusca" rank="species" species="dorbignyi">
|
|||
|
|
<emphasis id="B912EAD0FF940E53FDEC49596E00EC23" box="[608,843,1831,1856]" italics="true" pageId="9" pageNumber="42">Pisidium dorbignyi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
(with a lower shell outline and less prominent beaks) and
|
|||
|
|
<taxonomicName id="4C664D41FF940E53FDCA49316950EC0A" authority="Guppy, 1867" authorityName="Guppy" authorityYear="1867" box="[582,1051,1871,1897]" class="Bivalvia" family="Sphaeriidae" genus="Pisidium" kingdom="Animalia" order="Veneroida" pageId="9" pageNumber="42" phylum="Mollusca" rank="species" species="punctiferum">
|
|||
|
|
<emphasis id="B912EAD0FF940E53FDCA49316E1DEC0B" box="[582,854,1871,1896]" italics="true" pageId="9" pageNumber="42">Pisidium punctiferum</emphasis>
|
|||
|
|
Guppy, 1867
|
|||
|
|
</taxonomicName>
|
|||
|
|
(with a somewhat subquadrangular, flatter shell). It should be noted that the concentration of mantle muscles in
|
|||
|
|
<taxonomicName id="4C664D41FF970E50FEA64F3A6F44EA3E" box="[298,527,324,349]" class="Bivalvia" family="Sphaeriidae" genus="Pisidium" kingdom="Animalia" order="Veneroida" pageId="10" pageNumber="43" phylum="Mollusca" rank="species" species="dorbignyi">
|
|||
|
|
<emphasis id="B912EAD0FF970E50FEA64F3A6F44EA3E" box="[298,527,324,349]" italics="true" pageId="10" pageNumber="43">Pisidium dorbignyi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and
|
|||
|
|
<taxonomicName id="4C664D41FF970E50FDC34F3A6FA6EA3E" box="[591,749,324,349]" class="Bivalvia" family="Sphaeriidae" genus="Pisidium" kingdom="Animalia" order="Veneroida" pageId="10" pageNumber="43" phylum="Mollusca" rank="species" species="vile">
|
|||
|
|
<emphasis id="B912EAD0FF970E50FDC34F3A6FA6EA3E" box="[591,749,324,349]" italics="true" pageId="10" pageNumber="43">Pisidium vile</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
may be associated with smaller size, however,
|
|||
|
|
<taxonomicName id="4C664D41FF970E50FE844F126F49EAE6" box="[264,514,364,389]" class="Bivalvia" family="Sphaeriidae" genus="Pisidium" kingdom="Animalia" order="Veneroida" pageId="10" pageNumber="43" phylum="Mollusca" rank="species" species="punctiferun">
|
|||
|
|
<emphasis id="B912EAD0FF970E50FE844F126F49EAE6" box="[264,514,364,389]" italics="true" pageId="10" pageNumber="43">Pisidium punctiferun</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, a species of comparable or even smaller size, has not less than 8 bundles of inner radial mantle muscles (Korniushin, personal observation).
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
</treatment>
|
|||
|
|
</document>
|