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<document id="B12B39B908D5E6A5E9A7807DCDC6003E" ID-CLB-Dataset="30919" ID-DOI="10.5852/ejt.2018.398" ID-GBIF-Dataset="11882ed8-9a3c-4473-a2c3-b69fc570aaac" ID-Zenodo-Dep="1160484" ID-ZooBank="58C075B0-7409-41B7-A6F4-900A5A6BFECE" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1516897214950" checkinUser="plazi" docAuthor="Atherton, Sarah &amp; Jondelius, Ulf" docDate="2018" docId="BD084F11FFCA6D100474FDBAFC87FC28" docLanguage="en" docName="ejt-398_atherton_jondelius.pdf.imf" docOrigin="European Journal of Taxonomy 398" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Microstomum laurae Atherton &amp; Jondelius 2018, sp. nov." docType="treatment" docUuid="49378EBE-7046-49D3-BC3C-DD783580A90E" docUuidSource="ZooBank" docVersion="16" lastPageNumber="6" masterDocId="41313769FFC96D15061DFFAFFFACFF87" masterDocTitle="Microstomum (Platyhelminthes, Macrostomorpha, Microstomidae) from the Swedish west coast: two new species and a population description" masterLastPageNumber="18" masterPageNumber="1" pageNumber="4" updateTime="1698517487235" updateUser="ExternalLinkService">
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<mods:title id="D5C3D02BE88EBDDDADCFB30D8E379BD0">Microstomum (Platyhelminthes, Macrostomorpha, Microstomidae) from the Swedish west coast: two new species and a population description</mods:title>
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<mods:namePart id="F98AA8C5440EC1F9C118A8051A290492">Atherton, Sarah</mods:namePart>
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<mods:namePart id="5336AC42AEA1A106A8054FD6164C7C6F">Jondelius, Ulf</mods:namePart>
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<mods:title id="EDAEA017AF1544A1D05A37283EA0DA58">European Journal of Taxonomy</mods:title>
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<mods:date id="279A490EC4BE17DAD64862FD33FD547F">2018</mods:date>
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<treatment id="BD084F11FFCA6D100474FDBAFC87FC28" ID-DOI="http://doi.org/10.5281/zenodo.5991921" ID-GBIF-Taxon="140417887" ID-Zenodo-Dep="5991921" LSID="urn:lsid:zoobank.org:act:49378EBE-7046-49D3-BC3C-DD783580A90E" httpUri="http://treatment.plazi.org/id/BD084F11FFCA6D100474FDBAFC87FC28" lastPageId="5" lastPageNumber="6" pageId="3" pageNumber="4">
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<taxonomicName id="F2A18584FFCA6D160474FDBAFCC4FDB7" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[617,872,533,560]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="3" pageNumber="4" phylum="Platyhelminthes" rank="species" species="laurae" status="sp. nov.">
<emphasis id="07D52215FFCA6D160474FDBAFCC4FDB7" bold="true" box="[617,872,533,560]" italics="true" pageId="3" pageNumber="4">Microstomum laurae</emphasis>
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<taxonomicNameLabel id="1CE69F6EFFCA6D16056DFDB9FC66FDB7" box="[880,970,534,560]" pageId="3" pageNumber="4" rank="species">sp. nov.</taxonomicNameLabel>
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<paragraph id="351EFE07FFCA6D160770FD97FB6AFDD4" blockId="3.[365,1222,533,630]" box="[365,1222,568,595]" pageId="3" pageNumber="4">urn:lsid:zoobank.org:act:49378EBE-7046-49D3-BC3C-DD783580A90E</paragraph>
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<subSubSection id="7DBBAD8CFFCA6D1604EAFDF3FC90FDF1" box="[759,828,604,630]" pageId="3" pageNumber="4" type="description">
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<figureCitation id="AD9AE282FFCA6D1604EAFDF3FC90FDF1" box="[759,828,604,630]" captionStart="Fig. 1" captionStartId="4.[188,231,1932,1958]" captionTargetBox="[234,1353,265,1888]" captionTargetId="figure@4.[234,1353,265,1888]" captionTargetPageId="4" captionText="Fig. 1. Microstomum laurae sp. nov. A. Composite image of whole body. B.Anterior end. C. Posterior end.Abbreviations:a=auricles(ciliarypits);ap=adhesivepapillae;b=brain;e=eyespots;i=intestine; m =mouth; n = nematocyst; ph = pharynx; r = rhabdite.Arrowheads indicate orange lipid droplets." httpUri="https://zenodo.org/record/1160486/files/figure.png" pageId="3" pageNumber="4">Fig. 1</figureCitation>
</paragraph>
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<subSubSection id="7DBBAD8CFFCA6D1606A0FD32FB00FCF3" pageId="3" pageNumber="4" type="diagnosis">
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<heading id="6E56496BFFCA6D1606A0FD32FE9AFD30" bold="true" box="[189,310,669,695]" fontSize="11" level="3" pageId="3" pageNumber="4" reason="3">
<emphasis id="07D52215FFCA6D1606A0FD32FE9AFD30" bold="true" box="[189,310,669,695]" pageId="3" pageNumber="4">Diagnosis</emphasis>
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Strap-shaped
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<emphasis id="07D52215FFCA6D160742FD62FDADFD61" box="[351,513,717,742]" italics="true" pageId="3" pageNumber="4">Microstomum</emphasis>
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with body length of 760 µm (two vegetative zooids) and rounded anterior and posterior ends. Posterior rim with approximately twenty adhesive papillae. Paired red eyespots 43 µm long and located in the lateral margins at level of the brain. Rhabdites concentrated in the anterior end above the pharynx. Nematocysts present. Preoral gut extending anterior to brain. Reproductive system unknown. GenBank accession number for partial COI sequence
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-3.
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<emphasis id="07D52215FFCA6D1606A0FC34FEE8FC32" bold="true" box="[189,324,923,949]" pageId="3" pageNumber="4">Etymology</emphasis>
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<paragraph id="351EFE07FFCA6D1606A0FC66FBB8FC64" blockId="3.[189,1044,923,996]" box="[189,1044,969,996]" pageId="3" pageNumber="4">This species is dedicated to Laura R. Atherton, mother of the first author.</paragraph>
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<emphasis id="07D52215FFCA6D1606A0FBA4FE06FBA2" bold="true" box="[189,426,1035,1061]" pageId="3" pageNumber="4">Material examined</emphasis>
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<emphasis id="07D52215FFCA6D1606F7FB95FEF0FBD3" bold="true" box="[234,348,1082,1108]" pageId="3" pageNumber="4">Holotype</emphasis>
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<emphasis id="07D52215FFCA6D1606F7FB6EFE4DFB5C" bold="true" box="[234,481,1217,1243]" pageId="3" pageNumber="4">Additional material</emphasis>
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<heading id="6E56496BFFCA6D1606A0FAE6FEE2FAE4" bold="true" box="[189,334,1353,1379]" fontSize="11" level="3" pageId="3" pageNumber="4" reason="3">
<emphasis id="07D52215FFCA6D1606A0FAE6FEE2FAE4" bold="true" box="[189,334,1353,1379]" pageId="3" pageNumber="4">Description</emphasis>
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<taxonomicName id="F2A18584FFCA6D1606A0FAD6FEF3FA15" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[189,351,1401,1426]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="3" pageNumber="4" phylum="Platyhelminthes" rank="genus">
<emphasis id="07D52215FFCA6D1606A0FAD6FEF3FA15" box="[189,351,1401,1426]" italics="true" pageId="3" pageNumber="4">Microstomum</emphasis>
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with a total body length of 760 µm and two vegetative zooids. Body strap-shaped with very slight constrictions between zooids and at the level of the ciliary pits. Ratio of body width:length 1:
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slightly compressed animal. Anterior and posterior ends rounded.
</paragraph>
<paragraph id="351EFE07FFCA6D1606A0FA51FAC1F9BB" blockId="3.[189,1398,1534,1596]" pageId="3" pageNumber="4">
Ciliary pits very small and shallow (
<figureCitation id="AD9AE282FFCA6D160442FA51FD16F99E" box="[607,698,1534,1561]" captionStart="Fig. 1" captionStartId="4.[188,231,1932,1958]" captionTargetBox="[234,1353,265,1888]" captionTargetId="figure@4.[234,1353,265,1888]" captionTargetPageId="4" captionText="Fig. 1. Microstomum laurae sp. nov. A. Composite image of whole body. B.Anterior end. C. Posterior end.Abbreviations:a=auricles(ciliarypits);ap=adhesivepapillae;b=brain;e=eyespots;i=intestine; m =mouth; n = nematocyst; ph = pharynx; r = rhabdite.Arrowheads indicate orange lipid droplets." httpUri="https://zenodo.org/record/1160486/files/figure.png" pageId="3" pageNumber="4">Fig. 1A</figureCitation>
), below eyespots, 185 µm from anterior. Paired red eyespots approximately 43 µm long and present in the lateral margins of the body level with brain (
<figureCitation id="AD9AE282FFCA6D1602C2F98DFACCF9BB" box="[1247,1376,1570,1596]" captionStart="Fig. 1" captionStartId="4.[188,231,1932,1958]" captionTargetBox="[234,1353,265,1888]" captionTargetId="figure@4.[234,1353,265,1888]" captionTargetPageId="4" captionText="Fig. 1. Microstomum laurae sp. nov. A. Composite image of whole body. B.Anterior end. C. Posterior end.Abbreviations:a=auricles(ciliarypits);ap=adhesivepapillae;b=brain;e=eyespots;i=intestine; m =mouth; n = nematocyst; ph = pharynx; r = rhabdite.Arrowheads indicate orange lipid droplets." httpUri="https://zenodo.org/record/1160486/files/figure.png" pageId="3" pageNumber="4">Fig. 1AB</figureCitation>
).
</paragraph>
<paragraph id="351EFE07FFCA6D1606A0F9CDFE11F945" blockId="3.[189,1406,1633,1730]" pageId="3" pageNumber="4">
Many small (max. diameter 10 µm) orange lipid droplets derived from food scattered across body, heavily concentrated around pharynx and anterior end (
<figureCitation id="AD9AE282FFCA6D16056BF92AFC52F918" box="[886,1022,1669,1695]" captionStart="Fig. 1" captionStartId="4.[188,231,1932,1958]" captionTargetBox="[234,1353,265,1888]" captionTargetId="figure@4.[234,1353,265,1888]" captionTargetPageId="4" captionText="Fig. 1. Microstomum laurae sp. nov. A. Composite image of whole body. B.Anterior end. C. Posterior end.Abbreviations:a=auricles(ciliarypits);ap=adhesivepapillae;b=brain;e=eyespots;i=intestine; m =mouth; n = nematocyst; ph = pharynx; r = rhabdite.Arrowheads indicate orange lipid droplets." httpUri="https://zenodo.org/record/1160486/files/figure.png" pageId="3" pageNumber="4">Fig. 1AB</figureCitation>
). Body otherwise colorless or reflective of intestine.
</paragraph>
<paragraph id="351EFE07FFCA6D1606A0F948FA96F8CF" blockId="3.[189,1399,1767,1865]" pageId="3" pageNumber="4">
Epidermis uniformly covered with cilia. Nematocysts present. Rhabdite bundles, 2030 µm long, scattered about the body, particularly concentrated in the anterior end above the pharynx (
<figureCitation id="AD9AE282FFCA6D160314F8A4FACBF8A2" box="[1289,1383,1803,1829]" captionStart="Fig. 1" captionStartId="4.[188,231,1932,1958]" captionTargetBox="[234,1353,265,1888]" captionTargetId="figure@4.[234,1353,265,1888]" captionTargetPageId="4" captionText="Fig. 1. Microstomum laurae sp. nov. A. Composite image of whole body. B.Anterior end. C. Posterior end.Abbreviations:a=auricles(ciliarypits);ap=adhesivepapillae;b=brain;e=eyespots;i=intestine; m =mouth; n = nematocyst; ph = pharynx; r = rhabdite.Arrowheads indicate orange lipid droplets." httpUri="https://zenodo.org/record/1160486/files/figure.png" pageId="3" pageNumber="4">Fig. 1B</figureCitation>
). Approximately twenty adhesive papillae, 810 µm long, on the rim of the posterior end (
<figureCitation id="AD9AE282FFCA6D1602D2F881FA87F8CF" box="[1231,1323,1838,1864]" captionStart="Fig. 1" captionStartId="4.[188,231,1932,1958]" captionTargetBox="[234,1353,265,1888]" captionTargetId="figure@4.[234,1353,265,1888]" captionTargetPageId="4" captionText="Fig. 1. Microstomum laurae sp. nov. A. Composite image of whole body. B.Anterior end. C. Posterior end.Abbreviations:a=auricles(ciliarypits);ap=adhesivepapillae;b=brain;e=eyespots;i=intestine; m =mouth; n = nematocyst; ph = pharynx; r = rhabdite.Arrowheads indicate orange lipid droplets." httpUri="https://zenodo.org/record/1160486/files/figure.png" pageId="3" pageNumber="4">Fig. 1C</figureCitation>
).
</paragraph>
<paragraph id="351EFE07FFCA6D1606A0F8C1FC6DF82C" blockId="3.[189,1399,1902,1964]" pageId="3" pageNumber="4">Mouth slit-like and 55 µm long. Pharynx encompassing the second fifth of the body. Preoral gut extending well anterior to brain. Intestine evenly filled with orange droplets.</paragraph>
<paragraph id="351EFE07FFCA6D1606A0F87EFD9CF86C" blockId="3.[189,560,2001,2027]" box="[189,560,2001,2027]" pageId="3" pageNumber="4">Reproductive system unknown.</paragraph>
</subSubSection>
<caption id="61DEAE8FFFCD6D1106A1F823FAE4F86A" httpUri="https://zenodo.org/record/1160486/files/figure.png" pageId="4" pageNumber="5" targetBox="[234,1353,265,1888]" targetPageId="4">
<paragraph id="351EFE07FFCD6D1106A1F823FAE4F86A" blockId="4.[188,1398,1932,2029]" pageId="4" pageNumber="5">
<emphasis id="07D52215FFCD6D1106A1F823FEA6F820" bold="true" box="[188,266,1932,1959]" pageId="4" pageNumber="5">Fig. 1.</emphasis>
<taxonomicName id="F2A18584FFCD6D11070FF822FDA4F821" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[274,520,1932,1958]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="laurae" status="sp. nov.">
<emphasis id="07D52215FFCD6D11070FF822FDA4F821" box="[274,520,1932,1958]" italics="true" pageId="4" pageNumber="5">Microstomum laurae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCD6D110412F822FDC6F820" box="[527,618,1933,1959]" pageId="4" pageNumber="5" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="07D52215FFCD6D11046CF823FD2AF821" bold="true" box="[625,646,1932,1958]" pageId="4" pageNumber="5">A</emphasis>
. Composite image of whole body.
<emphasis id="07D52215FFCD6D11023EF823FB9BF821" bold="true" box="[1059,1079,1932,1958]" pageId="4" pageNumber="5">B</emphasis>
. Anterior end.
<emphasis id="07D52215FFCD6D1102F5F823FB51F821" bold="true" box="[1256,1277,1932,1958]" pageId="4" pageNumber="5">C</emphasis>
. Posterior end. Abbreviations: a = auricles (ciliary pits); ap = adhesive papillae; b = brain; e = eyespots; i = intestine; m = mouth; n = nematocyst; ph = pharynx; r = rhabdite. Arrowheads indicate orange lipid droplets.
</paragraph>
</caption>
<subSubSection id="7DBBAD8CFFCC6D1006A0FEA4FC87FC28" pageId="5" pageNumber="6" type="discussion">
<paragraph id="351EFE07FFCC6D1006A0FEA4FE83FEA2" blockId="5.[189,303,267,293]" box="[189,303,267,293]" pageId="5" pageNumber="6">
<heading id="6E56496BFFCC6D1006A0FEA4FE83FEA2" bold="true" box="[189,303,267,293]" fontSize="11" level="3" pageId="5" pageNumber="6" reason="3">
<emphasis id="07D52215FFCC6D1006A0FEA4FE83FEA2" bold="true" box="[189,303,267,293]" pageId="5" pageNumber="6">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="351EFE07FFCC6D1006A0FE93FD0EFDE6" blockId="5.[189,1399,316,609]" pageId="5" pageNumber="6">
Eight of the currently recognized
<taxonomicName id="F2A18584FFCC6D100445FE92FD56FED1" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[600,762,317,342]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="genus">
<emphasis id="07D52215FFCC6D100445FE92FD56FED1" box="[600,762,317,342]" italics="true" pageId="5" pageNumber="6">Microstomum</emphasis>
</taxonomicName>
species (
<taxonomicName id="F2A18584FFCC6D100570FE92FB68FED1" authority="Faubel, 1984" authorityName="Faubel" authorityYear="1984" box="[877,1220,316,342]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="bioculatum">
<emphasis id="07D52215FFCC6D100570FE92FBB7FED1" box="[877,1051,316,342]" italics="true" pageId="5" pageNumber="6">M. bioculatum</emphasis>
Faubel, 1984
</taxonomicName>
,
<taxonomicName id="F2A18584FFCC6D1002C9FE92FECCFEFA" authority="Marcus" authorityName="Marcus" authorityYear="1950" class="Rhabditophora" family="Microstomidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="gabriellae">
<emphasis id="07D52215FFCC6D1002C9FE92FADBFED1" box="[1236,1399,316,342]" italics="true" pageId="5" pageNumber="6">M. gabriellae</emphasis>
<bibRefCitation id="513083F6FFCC6D1006A0FECCFECCFEFA" author="Marcus" box="[189,352,354,381]" pageId="5" pageNumber="6" refString="Marcus E. 1950. Turbellaria Brasileiros. Boletins da Facultade de Filosofia Ciencias e Letras Zoologia 17: 5 - 191." type="journal article" year="1950">Marcus, 1950</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="F2A18584FFCC6D100771FECCFD01FEFB" authority="Hallez, 1878" authorityName="Hallez" authorityYear="1878" box="[364,685,354,380]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="giganteum">
<emphasis id="07D52215FFCC6D100771FECCFDA2FEFB" box="[364,526,355,380]" italics="true" pageId="5" pageNumber="6">M. giganteum</emphasis>
Hallez, 1878
</taxonomicName>
,
<taxonomicName id="F2A18584FFCC6D1004A5FECCFBE1FEFB" authority="Levinsen, 1879" authorityName="Levinsen" authorityYear="1879" box="[696,1101,354,380]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="groenlandicum">
<emphasis id="07D52215FFCC6D1004A5FECCFC23FEFB" box="[696,911,354,380]" italics="true" pageId="5" pageNumber="6">M. groenlandicum</emphasis>
Levinsen, 1879
</taxonomicName>
,
<taxonomicName id="F2A18584FFCC6D100244FECCFADDFEFB" authority="Orsted, 1843" authorityName="Orsted" authorityYear="1843" box="[1113,1393,352,380]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="lineare">
<emphasis id="07D52215FFCC6D100244FECCFB7DFEFB" box="[1113,1233,354,380]" italics="true" pageId="5" pageNumber="6">M. lineare</emphasis>
Ørsted, 1843
</taxonomicName>
,
<taxonomicName id="F2A18584FFCC6D1006A0FE26FD38FE25" authority="Steinbock, 1933" authorityName="Steinbock" authorityYear="1933" box="[189,660,392,418]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="melanophthalmum">
<emphasis id="07D52215FFCC6D1006A0FE26FE6FFE25" box="[189,451,392,418]" italics="true" pageId="5" pageNumber="6">M. melanophthalmum</emphasis>
Steinbock, 1933
</taxonomicName>
,
<taxonomicName id="F2A18584FFCC6D1004B8FE26FC6CFE25" authority="Graff" authorityName="Graff" authorityYear="1913" box="[677,960,392,418]" class="Rhabditophora" family="Microstomidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="paradii">
<emphasis id="07D52215FFCC6D1004B8FE26FC8AFE25" box="[677,806,392,418]" italics="true" pageId="5" pageNumber="6">M. paràdii</emphasis>
<bibRefCitation id="513083F6FFCC6D10052EFE27FC6CFE25" author="Graff" box="[819,960,392,418]" pageId="5" pageNumber="6" refString="Von Graff L. 1913. Turbellaria II. Rhabdocoelida. Das Tierreich, eine Zusammenstellung und Kennzeichnung der rezenten Tierformen 35, Verlag Friedlander und Sohn, Berlin." type="book chapter" year="1913">Graff, 1913</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="F2A18584FFCC6D10021CFE26FAC2FE24" authority="Westblad" authorityName="Westblad" authorityYear="1953" box="[1025,1390,392,419]" class="Rhabditophora" family="Microstomidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="spiriferum">
<emphasis id="07D52215FFCC6D10021CFE26FB0BFE24" box="[1025,1191,393,419]" italics="true" pageId="5" pageNumber="6">M. spiriferum</emphasis>
<bibRefCitation id="513083F6FFCC6D1002AFFE27FAC2FE24" author="Westblad" box="[1202,1390,392,419]" pageId="5" pageNumber="6" refString="Westblad E. 1953. Marine Macrostomida (Turbellaria) from Scandinavia and England. Arkiv for Zoologi 4: 391 - 408." type="journal article" year="1953">Westblad, 1953</bibRefCitation>
</taxonomicName>
) possess pigmented eyespots. The eyespots of
<taxonomicName id="F2A18584FFCC6D1004DBFE00FC69FE4F" authorityName="Steinbock" authorityYear="1933" box="[710,965,430,456]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="melanophthalmum">
<emphasis id="07D52215FFCC6D1004DBFE00FC69FE4F" box="[710,965,430,456]" italics="true" pageId="5" pageNumber="6">M. melanophthalmum</emphasis>
</taxonomicName>
and
<taxonomicName id="F2A18584FFCC6D1005E4FE00FBD8FE4F" authorityName="Graff" authorityYear="1913" box="[1017,1140,430,456]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="paradii">
<emphasis id="07D52215FFCC6D1005E4FE00FBD8FE4F" box="[1017,1140,430,456]" italics="true" pageId="5" pageNumber="6">M. paràdii</emphasis>
</taxonomicName>
are black with distinct lenses, while the eyespots of
<taxonomicName id="F2A18584FFCC6D100408FE7AFD26FE69" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[533,650,468,494]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="laurae" status="sp. nov.">
<emphasis id="07D52215FFCC6D100408FE7AFD26FE69" box="[533,650,468,494]" italics="true" pageId="5" pageNumber="6">M. laurae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCC6D10048CFE7AFD40FE68" box="[657,748,469,495]" pageId="5" pageNumber="6" rank="species">sp. nov.</taxonomicNameLabel>
are red. The eyespots in
<taxonomicName id="F2A18584FFCC6D100209FE7AFB6CFE69" authorityName="Faubel" authorityYear="1984" box="[1044,1216,468,494]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="bioculatum">
<emphasis id="07D52215FFCC6D100209FE7AFB6CFE69" box="[1044,1216,468,494]" italics="true" pageId="5" pageNumber="6">M. bioculatum</emphasis>
</taxonomicName>
,
<taxonomicName id="F2A18584FFCC6D1002D2FE7AFADCFE69" authorityName="Marcus" authorityYear="1950" box="[1231,1392,468,494]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="gabriellae">
<emphasis id="07D52215FFCC6D1002D2FE7AFADCFE69" box="[1231,1392,468,494]" italics="true" pageId="5" pageNumber="6">M. gabriellae</emphasis>
</taxonomicName>
,
<taxonomicName id="F2A18584FFCC6D1006A0FE54FECCFD93" authorityName="Hallez" authorityYear="1878" box="[189,352,507,532]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="giganteum">
<emphasis id="07D52215FFCC6D1006A0FE54FECCFD93" box="[189,352,507,532]" italics="true" pageId="5" pageNumber="6">M. giganteum</emphasis>
</taxonomicName>
,
<taxonomicName id="F2A18584FFCC6D100772FE54FE44FD92" authorityName="Orsted" authorityYear="1843" box="[367,488,507,533]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="lineare">
<emphasis id="07D52215FFCC6D100772FE54FE44FD92" box="[367,488,507,533]" italics="true" pageId="5" pageNumber="6">M. lineare</emphasis>
</taxonomicName>
and
<taxonomicName id="F2A18584FFCC6D10043FFE54FC8FFD92" authorityName="Steinbock" authorityYear="1933" box="[546,803,507,533]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="melanophthalmum">
<emphasis id="07D52215FFCC6D10043FFE54FC8FFD92" box="[546,803,507,533]" italics="true" pageId="5" pageNumber="6">M. melanophthalmum</emphasis>
</taxonomicName>
are situated far in the front of the animal, whereas they are level with the brain in
<taxonomicName id="F2A18584FFCC6D100434FD8EFD31FDBC" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[553,669,545,571]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="laurae" status="sp. nov.">
<emphasis id="07D52215FFCC6D100434FD8EFD31FDBC" box="[553,669,545,571]" italics="true" pageId="5" pageNumber="6">M. laurae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCC6D1004B9FD8EFD52FDBC" box="[676,766,545,571]" pageId="5" pageNumber="6" rank="species">sp. nov.</taxonomicNameLabel>
Finally, the eyespot of
<taxonomicName id="F2A18584FFCC6D100212FD8EFB4BFDBC" authorityName="Levinsen" authorityYear="1879" box="[1039,1255,545,571]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="groenlandicum">
<emphasis id="07D52215FFCC6D100212FD8EFB4BFDBC" box="[1039,1255,545,571]" italics="true" pageId="5" pageNumber="6">M. groenlandicum</emphasis>
</taxonomicName>
is unpaired, red and located medially above the brain.
</paragraph>
<paragraph id="351EFE07FFCC6D1006A0FD23FC87FC28" blockId="5.[189,1399,651,944]" pageId="5" pageNumber="6">
<taxonomicName id="F2A18584FFCC6D1006A0FD23FE1AFD22" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[189,438,651,677]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="laurae" status="sp. nov.">
<emphasis id="07D52215FFCC6D1006A0FD23FE1AFD22" box="[189,438,651,677]" italics="true" pageId="5" pageNumber="6">Microstomum laurae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCC6D1007DDFD23FDB2FD21" box="[448,542,652,678]" pageId="5" pageNumber="6" rank="species">sp. nov.</taxonomicNameLabel>
is most similar to
<taxonomicName id="F2A18584FFCC6D10051AFD23FC07FD22" authorityName="Westblad" authorityYear="1953" box="[775,939,651,677]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="spiriferum">
<emphasis id="07D52215FFCC6D10051AFD23FC07FD22" box="[775,939,651,677]" italics="true" pageId="5" pageNumber="6">M. spiriferum</emphasis>
</taxonomicName>
, being alike in general body size and shape as well as their small ciliary pits and large bundles of rhabdites. However,
<taxonomicName id="F2A18584FFCC6D100282FD1DFAEFFD4C" authorityName="Westblad" authorityYear="1953" box="[1183,1347,689,715]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="spiriferum">
<emphasis id="07D52215FFCC6D100282FD1DFAEFFD4C" box="[1183,1347,689,715]" italics="true" pageId="5" pageNumber="6">M. spiriferum</emphasis>
</taxonomicName>
can be differentiated based on the dorsal richly yellowish pigment cells and absence of adhesive papillae (
<bibRefCitation id="513083F6FFCC6D1006D8FD52FED0FC9F" author="Westblad" box="[197,380,765,792]" pageId="5" pageNumber="6" refString="Westblad E. 1953. Marine Macrostomida (Turbellaria) from Scandinavia and England. Arkiv for Zoologi 4: 391 - 408." type="journal article" year="1953">Westblad 1953</bibRefCitation>
).
<taxonomicName id="F2A18584FFCC6D10078EFD51FDA6FC90" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[403,522,765,791]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="laurae" status="sp. nov.">
<emphasis id="07D52215FFCC6D10078EFD51FDA6FC90" box="[403,522,765,791]" italics="true" pageId="5" pageNumber="6">M. laurae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCC6D100409FD51FDDFFC9F" box="[532,627,766,792]" pageId="5" pageNumber="6" rank="species">sp. nov.</taxonomicNameLabel>
, on the other hand, is colorless or sometimes colored by its gut contents; there are no pigment cells apart from the eyespots, and it possesses a distinct line of adhesive tubes along the posterior rim. Though both species are found on the Swedish west coast,
<taxonomicName id="F2A18584FFCC6D1002C8FCE5FADAFCE4" authorityName="Westblad" authorityYear="1953" box="[1237,1398,841,867]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="spiriferum">
<emphasis id="07D52215FFCC6D1002C8FCE5FADAFCE4" box="[1237,1398,841,867]" italics="true" pageId="5" pageNumber="6">M. spiriferum</emphasis>
</taxonomicName>
was described from sublittoral habitats between 15 and
<quantity id="F25953E2FFCC6D100573FCC0FC02FC0D" box="[878,942,879,906]" metricMagnitude="1" metricUnit="m" metricValue="6.0" pageId="5" pageNumber="6" unit="m" value="60.0">60 m</quantity>
depth, while
<taxonomicName id="F2A18584FFCC6D100246FCDFFB7FFC0E" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[1115,1235,879,905]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="laurae" status="sp. nov.">
<emphasis id="07D52215FFCC6D100246FCDFFB7FFC0E" box="[1115,1235,879,905]" italics="true" pageId="5" pageNumber="6">M. laurae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCC6D1002C3FCDFFA91FC0D" box="[1246,1341,880,906]" pageId="5" pageNumber="6" rank="species">sp. nov.</taxonomicNameLabel>
was collected from eulittoral sand at around
<quantity id="F25953E2FFCC6D10048FFC39FD77FC37" box="[658,731,918,944]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="6" unit="cm" value="10.0">10 cm</quantity>
depth.
</paragraph>
</subSubSection>
</treatment>
</document>