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<document id="81A9190AA6725FA728362E799B696598" 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="BD084F11FFCC6D1C0441FC5FFC8FFDC1" 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 edmondi Atherton &amp; Jondelius 2018, sp. nov." docType="treatment" docUuid="E26B0ECB-C9DE-4FBB-A7D2-178A3C79F20C" docUuidSource="ZooBank" docVersion="16" lastPageNumber="8" masterDocId="41313769FFC96D15061DFFAFFFACFF87" masterDocTitle="Microstomum (Platyhelminthes, Macrostomorpha, Microstomidae) from the Swedish west coast: two new species and a population description" masterLastPageNumber="18" masterPageNumber="1" pageNumber="6" updateTime="1698517487235" updateUser="ExternalLinkService">
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<mods:title id="CD39FFA4D51F1277CAD94D4AFF5A6265">Microstomum (Platyhelminthes, Macrostomorpha, Microstomidae) from the Swedish west coast: two new species and a population description</mods:title>
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<mods:name id="6DA9A68179AFC82BC2A3E76078576C1C" type="personal">
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<mods:namePart id="5CCEB2F86012A1170114267F791B7C94">Atherton, Sarah</mods:namePart>
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<mods:namePart id="38A08BC9A828415D0BEA7AC8A03CE475">Jondelius, Ulf</mods:namePart>
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<mods:title id="5AA27D12FED80BEE7293BF4F4A533279">European Journal of Taxonomy</mods:title>
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<mods:date id="85CC8D96FB1114C52F0475EF872AA965">2018</mods:date>
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<mods:number id="C5EB482664B2B234E681320077144A45">2018-01-25</mods:number>
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<treatment id="BD084F11FFCC6D1C0441FC5FFC8FFDC1" ID-DOI="http://doi.org/10.5281/zenodo.5991923" ID-GBIF-Taxon="140417886" ID-Zenodo-Dep="5991923" LSID="urn:lsid:zoobank.org:act:E26B0ECB-C9DE-4FBB-A7D2-178A3C79F20C" httpUri="http://treatment.plazi.org/id/BD084F11FFCC6D1C0441FC5FFC8FFDC1" lastPageId="9" lastPageNumber="8" pageId="5" pageNumber="6">
<subSubSection id="7DBBAD8CFFCC6D100441FC5FFB7DFBB7" pageId="5" pageNumber="6" type="nomenclature">
<paragraph id="351EFE07FFCC6D100441FC5FFC7BFB8C" blockId="5.[354,1233,1008,1111]" box="[604,983,1008,1035]" pageId="5" pageNumber="6">
<heading id="6E56496BFFCC6D100441FC5FFC7BFB8C" box="[604,983,1008,1035]" centered="true" fontSize="11" level="2" pageId="5" pageNumber="6" reason="2">
<taxonomicName id="F2A18584FFCC6D100441FC5FFCD9FB8C" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[604,885,1008,1035]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="edmondi" status="sp. nov.">
<emphasis id="07D52215FFCC6D100441FC5FFCD9FB8C" bold="true" box="[604,885,1008,1035]" italics="true" pageId="5" pageNumber="6">Microstomum edmondi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCC6D100560FC5EFC7BFB8C" box="[893,983,1009,1035]" pageId="5" pageNumber="6" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
<paragraph id="351EFE07FFCC6D10077FFBB9FB7DFBB7" blockId="5.[354,1233,1008,1111]" box="[354,1233,1046,1072]" pageId="5" pageNumber="6">urn:lsid:zoobank.org:act:E26B0ECB-C9DE-4FBB-A7D2-178A3C79F20C</paragraph>
</subSubSection>
<subSubSection id="7DBBAD8CFFCC6D1004FAFB93FCE1FBD0" box="[743,845,1084,1111]" pageId="5" pageNumber="6" type="description">
<paragraph id="351EFE07FFCC6D1004FAFB93FCE1FBD0" blockId="5.[354,1233,1008,1111]" box="[743,845,1084,1111]" pageId="5" pageNumber="6">
<figureCitation id="AD9AE282FFCC6D1004FAFB93FCE1FBD0" box="[743,845,1084,1111]" captionStart-0="Fig. 2" captionStart-1="Fig.3" captionStartId-0="6.[189,232,1862,1888]" captionStartId-1="8.[189,232,1894,1920]" captionTargetBox-0="[189,1399,684,1819]" captionTargetBox-1="[201,1384,342,1850]" captionTargetId-0="figure@6.[189,1399,684,1819]" captionTargetId-1="figure@8.[189,1399,340,1853]" captionTargetPageId-0="6" captionTargetPageId-1="8" captionText-0="Fig. 2. Microstomum edmondi sp. nov. A. Entire body. B. Anterior end with focus on glands around mouth.C. Posteriorend with focuson adhesive papillae. D.Anterior end of male specimen.E.Anterior end offemale specimen.Abbreviations:a =auricles (ciliarypits);ap=adhesivepapillae; b=brain; eg= egg; i = intestine; m = mouth; o = ovary; ph = pharynx; r = rhabdite bundle; st = male stylet; t = testis; vs = vesicula seminalis." captionText-1="Fig.3.Microstomumedmondisp.nov.,compositesketches.A.Entirebodyofmalespecimen.B.Posterior end of female specimen. C. Stylet.Abbreviations:a =auricles (ciliary pits); ap = adhesive papillae; b = brain; eg = egg; i = intestine; m = mouth; n = nematocysts; o = ovary; ph = pharynx; r = rhabdites; st = male stylet;t = testis; vs = vesicula seminalis." httpUri-0="https://zenodo.org/record/1160488/files/figure.png" httpUri-1="https://zenodo.org/record/1160490/files/figure.png" pageId="5" pageNumber="6">Figs 23</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="7DBBAD8CFFCC6D1006A0FB2EFADBFA50" pageId="5" pageNumber="6" type="diagnosis">
<paragraph id="351EFE07FFCC6D1006A0FB2EFE9AFB1C" blockId="5.[189,310,1153,1179]" box="[189,310,1153,1179]" pageId="5" pageNumber="6">
<heading id="6E56496BFFCC6D1006A0FB2EFE9AFB1C" bold="true" box="[189,310,1153,1179]" fontSize="11" level="3" pageId="5" pageNumber="6" reason="3">
<emphasis id="07D52215FFCC6D1006A0FB2EFE9AFB1C" bold="true" box="[189,310,1153,1179]" pageId="5" pageNumber="6">Diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="351EFE07FFCC6D1006A0FB1CFADBFA50" blockId="5.[189,1399,1202,1495]" pageId="5" pageNumber="6">
<taxonomicName id="F2A18584FFCC6D1006A0FB1CFEF3FB4B" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[189,351,1203,1228]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="genus">
<emphasis id="07D52215FFCC6D1006A0FB1CFEF3FB4B" box="[189,351,1203,1228]" italics="true" pageId="5" pageNumber="6">Microstomum</emphasis>
</taxonomicName>
with animal/zooid body length of 1700/750 µm. Conical pointed anterior end; blunt posterior end with numerous adhesive papillae along rim. Ciliary pits large, bottle shaped. Pigmented eyes absent. Dense field of cilia clearly covering epidermis. Preoral gut extending anteriorly to brain. Mouth distinctly encircled by glands. Protandrous hermaphrodite. Male reproductive system with single large testis. Vesicula seminalis circular to elliptical, 98 µm long, and containing the ends of numerous prostate glands in the distal part. Stylet approximately 67 µm long; shaped as an elongate, narrow funnel, slightly curved in one plane with a short, arched tip. Female reproductive system with single ovary and gonopore. Eggs develop caudally. GenBank accession number for partial COI sequences
<accessionNumber id="2AF263E4FFCC6D1002DAFA13FAFEFA50" box="[1223,1362,1468,1495]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/MF185700" pageId="5" pageNumber="6">MF185700</accessionNumber>
-11.
</paragraph>
</subSubSection>
<subSubSection id="7DBBAD8CFFCC6D1006A0F9AEFB8CF9CB" box="[189,1056,1537,1613]" pageId="5" pageNumber="6" type="etymology">
<paragraph id="351EFE07FFCC6D1006A0F9AEFEE8F99C" blockId="5.[189,324,1537,1563]" box="[189,324,1537,1563]" pageId="5" pageNumber="6">
<heading id="6E56496BFFCC6D1006A0F9AEFEE8F99C" bold="true" box="[189,324,1537,1563]" fontSize="11" level="3" pageId="5" pageNumber="6" reason="3">
<emphasis id="07D52215FFCC6D1006A0F9AEFEE8F99C" bold="true" box="[189,324,1537,1563]" pageId="5" pageNumber="6">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="351EFE07FFCC6D1006A0F99DFB8CF9CB" blockId="5.[189,1056,1586,1613]" box="[189,1056,1586,1613]" pageId="5" pageNumber="6">This species is dedicated to Edmond T. Atherton, father of the first author.</paragraph>
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<subSubSection id="7DBBAD8CFFCC6D1006A0F9D9FAE9F86C" pageId="5" pageNumber="6" type="materials_examined">
<paragraph id="351EFE07FFCC6D1006A0F9D9FE06F917" blockId="5.[189,426,1654,1680]" box="[189,426,1654,1680]" pageId="5" pageNumber="6">
<heading id="6E56496BFFCC6D1006A0F9D9FE06F917" bold="true" box="[189,426,1654,1680]" fontSize="11" level="3" pageId="5" pageNumber="6" reason="3">
<emphasis id="07D52215FFCC6D1006A0F9D9FE06F917" bold="true" box="[189,426,1654,1680]" pageId="5" pageNumber="6">Material examined</emphasis>
</heading>
</paragraph>
<paragraph id="351EFE07FFCC6D1006F7F907FEF0F945" blockId="5.[189,1399,1704,1845]" box="[234,348,1704,1730]" pageId="5" pageNumber="6">
<emphasis id="07D52215FFCC6D1006F7F907FEF0F945" bold="true" box="[234,348,1704,1730]" pageId="5" pageNumber="6">Holotype</emphasis>
</paragraph>
<paragraph id="351EFE07FFCC6D1006A0F961FE65F8B2" blockId="5.[189,1399,1704,1845]" pageId="5" pageNumber="6">
<materialsCitation id="85C9F45AFFCC6D1006A0F961FE65F8B2" ID-GBIF-Occurrence="1805423623" collectedFrom="eulittoral sand" collectingDate="2015-08-17" collectorName="S. Atherton" country="Sweden" county="Marine Research" latitude="58.24778" location="Fiskebäckskil, Kristineberg Sven Lovén Center for Marine Research" longLatPrecision="17" longitude="11.451388" municipality="Kristineberg Sven Loven Center" pageId="5" pageNumber="6" specimenCode="SMNH-Type-8890" specimenCount="1" specimenCount-male="1" typeStatus="holotype">
<collectingCountry id="4DB6BE97FFCC6D1006A0F961FE90F96F" box="[189,316,1742,1768]" name="Sweden" pageId="5" pageNumber="6">SWEDEN</collectingCountry>
:
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,
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,
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,
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,
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,
<collectingDate id="515B212FFFCC6D1007B4F95BFDEBF888" box="[425,583,1780,1807]" pageId="5" pageNumber="6" value="2015-08-17">
<date id="411FD8C7FFCC6D1007B4F95BFDEBF888" box="[425,583,1780,1807]" pageId="5" pageNumber="6" value="2015-08-17">17 Aug. 2015</date>
</collectingDate>
, marine,
<collectedFrom id="86BDBDFAFFCC6D1004B3F95BFCFAF889" box="[686,854,1780,1806]" pageId="5" pageNumber="6">eulittoral sand</collectedFrom>
,
<collectorName id="98549BD1FFCC6D10057DF95BFC4FF889" box="[864,995,1780,1806]" pageId="5" pageNumber="6">S.Atherton</collectorName>
leg. (
<specimenCode id="6507567CFFCC6D10023CF95BFAAFF889" box="[1057,1283,1780,1806]" pageId="5" pageNumber="6">SMNH-Type-8890</specimenCode>
, Genbank accession
<accessionNumber id="2AF263E4FFCC6D100728F8B5FE11F8B2" box="[309,445,1818,1845]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/MF185704" pageId="5" pageNumber="6">MF185704</accessionNumber>
).
</materialsCitation>
</paragraph>
<paragraph id="351EFE07FFCC6D1006F7F8F1FE4DF8FF" blockId="5.[189,1399,1886,2027]" box="[234,481,1886,1912]" pageId="5" pageNumber="6">
<emphasis id="07D52215FFCC6D1006F7F8F1FE4DF8FF" bold="true" box="[234,481,1886,1912]" pageId="5" pageNumber="6">Additional material</emphasis>
</paragraph>
<paragraph id="351EFE07FFCC6D1006A0F82AFAE9F86C" blockId="5.[189,1399,1886,2027]" pageId="5" pageNumber="6">
<materialsCitation id="85C9F45AFFCC6D1006A0F82AFAB2F842" ID-GBIF-Occurrence="1805423626" collectingDate="2015-08-15" collectorName="S. Atherton &amp; Y. Jondelius" country="Sweden" latitude="58.45861" location="Munkedal" longLatPrecision="17" longitude="11.686111" pageId="5" pageNumber="6" specimenCode="SMNH-Type-88988902" specimenCount="5" specimenCount-female="3" specimenCount-male="1" specimenCount-vegetative="1">
<collectingCountry id="4DB6BE97FFCC6D1006A0F82AFE90F818" box="[189,316,1925,1951]" name="Sweden" pageId="5" pageNumber="6">SWEDEN</collectingCountry>
:
<specimenCount id="23A7358EFFCC6D100756F82AFE3EF818" box="[331,402,1925,1951]" pageId="5" pageNumber="6" type="female">3 ♀♀</specimenCount>
,
<specimenCount id="23A7358EFFCC6D1007B9F82AFE7BF818" box="[420,471,1925,1951]" pageId="5" pageNumber="6" type="male">1 ♂</specimenCount>
, 1 vegetative,
<location id="307EA8DCFFCC6D100493F82BFCA4F819" LSID="urn:lsid:plazi:treatment:BD084F11FFCC6D1C0441FC5FFC8FFDC1:307EA8DCFFCC6D100493F82BFCA4F819" box="[654,776,1924,1950]" country="Sweden" latitude="58.45861" longLatPrecision="17" longitude="11.686111" name="Munkedal" pageId="5" pageNumber="6">Munkedal</location>
,
<geoCoordinate id="509598C0FFCC6D100505F82CFC1EF818" box="[792,946,1923,1951]" direction="north" orientation="latitude" pageId="5" pageNumber="6" precision="15" value="58.45861">58°2731″ N</geoCoordinate>
,
<geoCoordinate id="509598C0FFCC6D1005DFF82CFBFBF818" box="[962,1111,1923,1951]" direction="east" orientation="longitude" pageId="5" pageNumber="6" precision="15" value="11.686111">11°4110″ E</geoCoordinate>
,
<quantity id="F25953E2FFCC6D100275F82BFB14F818" box="[1128,1208,1924,1951]" metricMagnitude="-1" metricUnit="m" metricValue="1.5" pageId="5" pageNumber="6" unit="cm" value="15.0">15 cm</quantity>
,
<collectingDate id="515B212FFFCC6D1002D5F82BFADEF818" box="[1224,1394,1924,1951]" pageId="5" pageNumber="6" value="2015-08-15">
<date id="411FD8C7FFCC6D1002D5F82BFADEF818" box="[1224,1394,1924,1951]" pageId="5" pageNumber="6" value="2015-08-15">15 Aug. 2015</date>
</collectingDate>
,
<collectorName id="98549BD1FFCC6D1006A0F804FEE8F842" box="[189,324,1963,1989]" pageId="5" pageNumber="6">S. Atherton</collectorName>
and
<collectorName id="98549BD1FFCC6D100763F804FDA3F842" box="[382,527,1963,1989]" pageId="5" pageNumber="6">Y. Jondelius</collectorName>
leg. (
<specimenCode id="6507567CFFCC6D10044EF804FCD2F842" box="[595,894,1963,1989]" pageId="5" pageNumber="6">SMNH-Type-88988902</specimenCode>
, Genbank accession
<accessionNumber id="2AF263E4FFCC6D10026AF805FAAEF842" box="[1143,1282,1962,1989]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/MF185700" pageId="5" pageNumber="6">MF185700</accessionNumber>
-3)
</materialsCitation>
;
<materialsCitation id="85C9F45AFFCC6D100331F804FAE9F86C" ID-GBIF-Occurrence="1805423622" collectedFrom="eulittoral sand" collectingDate="2015-08-15" collectorName="Genbank" country="Sweden" county="Marine Research" latitude="58.45861" location="Munkedal" longLatPrecision="17" longitude="11.686111" municipality="Kristineberg Sven Loven Center" pageId="5" pageNumber="6" specimenCode="SMNH-Type-8891-8897" specimenCount="7" specimenCount-male="2" specimenCount-vegetative="5" typeStatus="holotype">
<specimenCount id="23A7358EFFCC6D100331F804FADDF842" box="[1324,1393,1963,1989]" pageId="5" pageNumber="6" type="male">2 ♂♂</specimenCount>
, 5 vegetative, same data as
<typeStatus id="EA1A40A5FFCC6D1007EBF87EFDF1F86C" box="[502,605,2001,2027]" pageId="5" pageNumber="6" type="holotype">holotype</typeStatus>
(SMNH-Type-88918897, Genbank accession
<accessionNumber id="2AF263E4FFCC6D100291F87FFABBF86C" box="[1164,1303,2000,2027]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/MF185705" pageId="5" pageNumber="6">MF185705</accessionNumber>
-11).
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="7DBBAD8CFFCF6D1206A0FEA4FAEEFD06" lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7" type="description">
<paragraph id="351EFE07FFCF6D1306A0FEA4FEE2FEA2" blockId="6.[189,334,267,291]" box="[189,334,267,293]" pageId="6" pageNumber="7">
<emphasis id="07D52215FFCF6D1306A0FEA4FEE2FEA2" bold="true" box="[189,334,267,293]" pageId="6" pageNumber="7">Description</emphasis>
</paragraph>
<paragraph id="351EFE07FFCF6D1306A0FE95FADBFE3A" blockId="6.[189,1399,313,446]" pageId="6" pageNumber="7">
<taxonomicName id="F2A18584FFCF6D1306A0FE95FEF3FED4" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[189,351,314,339]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="6" pageNumber="7" phylum="Platyhelminthes" rank="genus">
<emphasis id="07D52215FFCF6D1306A0FE95FEF3FED4" box="[189,351,314,339]" italics="true" pageId="6" pageNumber="7">Microstomum</emphasis>
</taxonomicName>
with vegetative chains up to four zooids long, typically two. Maximum animal/zooid length 1700/750 µm. Body strap-shaped with constrictions between zooids; ratio of body width:length approximately 1:
<quantity id="F25953E2FFCF6D13079CFE2FFE1AFE1D" box="[385,438,384,410]" metricMagnitude="-1" metricUnit="m" metricValue="1.016" pageId="6" pageNumber="7" unit="in" value="4.0">4 in</quantity>
slightly compressed animal with two zooids. Anterior end conical pointed from level of ciliary pits. Posterior end blunt with row of 58-µm-long adhesive papillae along rim (
<figureCitation id="AD9AE282FFCF6D1302EBFE0CFAF8FE3A" box="[1270,1364,419,445]" captionStart="Fig. 2" captionStartId="6.[189,232,1862,1888]" captionTargetBox="[189,1399,684,1819]" captionTargetId="figure@6.[189,1399,684,1819]" captionTargetPageId="6" captionText="Fig. 2. Microstomum edmondi sp. nov. A. Entire body. B. Anterior end with focus on glands around mouth.C. Posteriorend with focuson adhesive papillae. D.Anterior end of male specimen.E.Anterior end offemale specimen.Abbreviations:a =auricles (ciliarypits);ap=adhesivepapillae; b=brain; eg= egg; i = intestine; m = mouth; o = ovary; ph = pharynx; r = rhabdite bundle; st = male stylet; t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160488/files/figure.png" pageId="6" pageNumber="7">Figs 2C</figureCitation>
,
<figureCitation id="AD9AE282FFCF6D130343FE0CFAC1FE3A" box="[1374,1389,419,445]" captionStart="Fig.3" captionStartId="8.[189,232,1894,1920]" captionTargetBox="[201,1384,342,1850]" captionTargetId="figure@8.[189,1399,340,1853]" captionTargetPageId="8" captionText="Fig.3.Microstomumedmondisp.nov.,compositesketches.A.Entirebodyofmalespecimen.B.Posterior end of female specimen. C. Stylet.Abbreviations:a =auricles (ciliary pits); ap = adhesive papillae; b = brain; eg = egg; i = intestine; m = mouth; n = nematocysts; o = ovary; ph = pharynx; r = rhabdites; st = male stylet;t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160490/files/figure.png" pageId="6" pageNumber="7">3</figureCitation>
)
</paragraph>
<paragraph id="351EFE07FFCF6D1306A0FE4BFC9FFDEF" blockId="6.[189,1398,484,616]" pageId="6" pageNumber="7">
Pigmented eyes absent. Ciliary pits large and distinct; each with a wide 43 µm pore that abruptly narrows to a 15 µm wide tube; total length 55 µm (
<figureCitation id="AD9AE282FFCF6D1304B0FDA7FCA3FDA5" box="[685,783,520,546]" captionStart="Fig. 2" captionStartId="6.[189,232,1862,1888]" captionTargetBox="[189,1399,684,1819]" captionTargetId="figure@6.[189,1399,684,1819]" captionTargetPageId="6" captionText="Fig. 2. Microstomum edmondi sp. nov. A. Entire body. B. Anterior end with focus on glands around mouth.C. Posteriorend with focuson adhesive papillae. D.Anterior end of male specimen.E.Anterior end offemale specimen.Abbreviations:a =auricles (ciliarypits);ap=adhesivepapillae; b=brain; eg= egg; i = intestine; m = mouth; o = ovary; ph = pharynx; r = rhabdite bundle; st = male stylet; t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160488/files/figure.png" pageId="6" pageNumber="7">Figs 2A</figureCitation>
,
<figureCitation id="AD9AE282FFCF6D130506FDA7FCEEFDA5" box="[795,834,520,546]" captionStart="Fig.3" captionStartId="8.[189,232,1894,1920]" captionTargetBox="[201,1384,342,1850]" captionTargetId="figure@8.[189,1399,340,1853]" captionTargetPageId="8" captionText="Fig.3.Microstomumedmondisp.nov.,compositesketches.A.Entirebodyofmalespecimen.B.Posterior end of female specimen. C. Stylet.Abbreviations:a =auricles (ciliary pits); ap = adhesive papillae; b = brain; eg = egg; i = intestine; m = mouth; n = nematocysts; o = ovary; ph = pharynx; r = rhabdites; st = male stylet;t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160490/files/figure.png" pageId="6" pageNumber="7">3A</figureCitation>
). Epidermis noticeably covered with dense field of cilia, 1015 µm long (
<figureCitation id="AD9AE282FFCF6D1307F1FD84FDE6FDC2" box="[492,586,555,581]" captionStart="Fig. 2" captionStartId="6.[189,232,1862,1888]" captionTargetBox="[189,1399,684,1819]" captionTargetId="figure@6.[189,1399,684,1819]" captionTargetPageId="6" captionText="Fig. 2. Microstomum edmondi sp. nov. A. Entire body. B. Anterior end with focus on glands around mouth.C. Posteriorend with focuson adhesive papillae. D.Anterior end of male specimen.E.Anterior end offemale specimen.Abbreviations:a =auricles (ciliarypits);ap=adhesivepapillae; b=brain; eg= egg; i = intestine; m = mouth; o = ovary; ph = pharynx; r = rhabdite bundle; st = male stylet; t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160488/files/figure.png" pageId="6" pageNumber="7">Fig. 2B</figureCitation>
). Nematocysts present. Rhabdite bundles to 45 µm long, occurring primarily in the posterior end of the animal (
<figureCitation id="AD9AE282FFCF6D1304DAFDE1FC8AFDEF" box="[711,806,590,616]" captionStart="Fig. 2" captionStartId="6.[189,232,1862,1888]" captionTargetBox="[189,1399,684,1819]" captionTargetId="figure@6.[189,1399,684,1819]" captionTargetPageId="6" captionText="Fig. 2. Microstomum edmondi sp. nov. A. Entire body. B. Anterior end with focus on glands around mouth.C. Posteriorend with focuson adhesive papillae. D.Anterior end of male specimen.E.Anterior end offemale specimen.Abbreviations:a =auricles (ciliarypits);ap=adhesivepapillae; b=brain; eg= egg; i = intestine; m = mouth; o = ovary; ph = pharynx; r = rhabdite bundle; st = male stylet; t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160488/files/figure.png" pageId="6" pageNumber="7">Fig. 2D</figureCitation>
).
</paragraph>
<caption id="61DEAE8FFFCF6D1306A0F8E9FE78F86A" httpUri="https://zenodo.org/record/1160488/files/figure.png" pageId="6" pageNumber="7" targetBox="[189,1399,684,1819]" targetPageId="6">
<paragraph id="351EFE07FFCF6D1306A0F8E9FE78F86A" blockId="6.[189,1399,1862,2029]" pageId="6" pageNumber="7">
<emphasis id="07D52215FFCF6D1306A0F8E9FEA1F8E7" bold="true" box="[189,269,1862,1888]" pageId="6" pageNumber="7">Fig. 2.</emphasis>
<taxonomicName id="F2A18584FFCF6D13070AF8E8FD84F8E7" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[279,552,1862,1888]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="6" pageNumber="7" phylum="Platyhelminthes" rank="species" species="edmondi" status="sp. nov.">
<emphasis id="07D52215FFCF6D13070AF8E8FD84F8E7" box="[279,552,1862,1888]" italics="true" pageId="6" pageNumber="7">Microstomum edmondi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCF6D13042FF8E9FD23F8E7" box="[562,655,1862,1888]" pageId="6" pageNumber="7" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="07D52215FFCF6D130484F8E9FD02F8E7" bold="true" box="[665,686,1862,1888]" pageId="6" pageNumber="7">A</emphasis>
. Entire body.
<emphasis id="07D52215FFCF6D130546F8E9FCC3F8E7" bold="true" box="[859,879,1862,1888]" pageId="6" pageNumber="7">B</emphasis>
. Anterior end with focus on glands around mouth.
<emphasis id="07D52215FFCF6D13070BF8C6FE87F804" bold="true" box="[278,299,1897,1923]" pageId="6" pageNumber="7">C</emphasis>
. Posterior end with focus on adhesive papillae.
<emphasis id="07D52215FFCF6D130547F8C6FCC3F804" bold="true" box="[858,879,1897,1923]" pageId="6" pageNumber="7">D</emphasis>
. Anterior end of male specimen.
<emphasis id="07D52215FFCF6D1302EEF8C6FAABF804" bold="true" box="[1267,1287,1897,1923]" pageId="6" pageNumber="7">E</emphasis>
. Anterior end of female specimen. Abbreviations: a = auricles (ciliary pits); ap = adhesive papillae; b = brain; eg = egg; i = intestine; m = mouth; o = ovary; ph = pharynx; r = rhabdite bundle; st = male stylet; t = testis; vs = vesicula seminalis.
</paragraph>
</caption>
<paragraph id="351EFE07FFCE6D1206A0FEA4FADEFECE" blockId="7.[189,1398,267,330]" pageId="7" pageNumber="8">
Mouth distinctly encircled by glands (
<figureCitation id="AD9AE282FFCE6D120462FEA4FD4CFEA2" box="[639,736,267,293]" captionStart="Fig. 2" captionStartId="6.[189,232,1862,1888]" captionTargetBox="[189,1399,684,1819]" captionTargetId="figure@6.[189,1399,684,1819]" captionTargetPageId="6" captionText="Fig. 2. Microstomum edmondi sp. nov. A. Entire body. B. Anterior end with focus on glands around mouth.C. Posteriorend with focuson adhesive papillae. D.Anterior end of male specimen.E.Anterior end offemale specimen.Abbreviations:a =auricles (ciliarypits);ap=adhesivepapillae; b=brain; eg= egg; i = intestine; m = mouth; o = ovary; ph = pharynx; r = rhabdite bundle; st = male stylet; t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160488/files/figure.png" pageId="7" pageNumber="8">Figs 2B</figureCitation>
,
<figureCitation id="AD9AE282FFCE6D1204F0FEA4FCB8FEA2" box="[749,788,267,293]" captionStart="Fig.3" captionStartId="8.[189,232,1894,1920]" captionTargetBox="[201,1384,342,1850]" captionTargetId="figure@8.[189,1399,340,1853]" captionTargetPageId="8" captionText="Fig.3.Microstomumedmondisp.nov.,compositesketches.A.Entirebodyofmalespecimen.B.Posterior end of female specimen. C. Stylet.Abbreviations:a =auricles (ciliary pits); ap = adhesive papillae; b = brain; eg = egg; i = intestine; m = mouth; n = nematocysts; o = ovary; ph = pharynx; r = rhabdites; st = male stylet;t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160490/files/figure.png" pageId="7" pageNumber="8">3A</figureCitation>
). Pharynx spherical, 150 µm in diameter connected to yellow-brown or red-brown intestine. Body colorless. Preoral gut extending well anteriorly to brain.
</paragraph>
<paragraph id="351EFE07FFCE6D1206A0FEDEFB0CFD9C" blockId="7.[189,1399,369,539]" pageId="7" pageNumber="8">
Protandrous hermaphrodite. Male reproductive system with single large testis connected by short vas deferens to male copulatory apparatus (
<figureCitation id="AD9AE282FFCE6D12048EFE3AFD5EFE28" box="[659,754,405,431]" captionStart="Fig.3" captionStartId="8.[189,232,1894,1920]" captionTargetBox="[201,1384,342,1850]" captionTargetId="figure@8.[189,1399,340,1853]" captionTargetPageId="8" captionText="Fig.3.Microstomumedmondisp.nov.,compositesketches.A.Entirebodyofmalespecimen.B.Posterior end of female specimen. C. Stylet.Abbreviations:a =auricles (ciliary pits); ap = adhesive papillae; b = brain; eg = egg; i = intestine; m = mouth; n = nematocysts; o = ovary; ph = pharynx; r = rhabdites; st = male stylet;t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160490/files/figure.png" pageId="7" pageNumber="8">Fig. 3A</figureCitation>
). Vesicula seminalis circular to elliptical, 98 µm long, and containing the ends of numerous prostate glands in the distal part (
<figureCitation id="AD9AE282FFCE6D120206FE16FBD0FE54" box="[1051,1148,441,467]" captionStart="Fig. 2" captionStartId="6.[189,232,1862,1888]" captionTargetBox="[189,1399,684,1819]" captionTargetId="figure@6.[189,1399,684,1819]" captionTargetPageId="6" captionText="Fig. 2. Microstomum edmondi sp. nov. A. Entire body. B. Anterior end with focus on glands around mouth.C. Posteriorend with focuson adhesive papillae. D.Anterior end of male specimen.E.Anterior end offemale specimen.Abbreviations:a =auricles (ciliarypits);ap=adhesivepapillae; b=brain; eg= egg; i = intestine; m = mouth; o = ovary; ph = pharynx; r = rhabdite bundle; st = male stylet; t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160488/files/figure.png" pageId="7" pageNumber="8">Fig. 2D</figureCitation>
). Stylet 67 µm long, shaped as a tube very slightly curved in one plane and narrowing to a short, arched tip; width at base approximately 17 µm and terminal opening 4 µm (
<figureCitation id="AD9AE282FFCE6D120512FDAFFCDDFD9C" box="[783,881,512,539]" captionStart="Fig. 2" captionStartId="6.[189,232,1862,1888]" captionTargetBox="[189,1399,684,1819]" captionTargetId="figure@6.[189,1399,684,1819]" captionTargetPageId="6" captionText="Fig. 2. Microstomum edmondi sp. nov. A. Entire body. B. Anterior end with focus on glands around mouth.C. Posteriorend with focuson adhesive papillae. D.Anterior end of male specimen.E.Anterior end offemale specimen.Abbreviations:a =auricles (ciliarypits);ap=adhesivepapillae; b=brain; eg= egg; i = intestine; m = mouth; o = ovary; ph = pharynx; r = rhabdite bundle; st = male stylet; t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160488/files/figure.png" pageId="7" pageNumber="8">Figs 2D</figureCitation>
,
<figureCitation id="AD9AE282FFCE6D120560FDAEFC0FFD9C" box="[893,931,513,539]" captionStart="Fig.3" captionStartId="8.[189,232,1894,1920]" captionTargetBox="[201,1384,342,1850]" captionTargetId="figure@8.[189,1399,340,1853]" captionTargetPageId="8" captionText="Fig.3.Microstomumedmondisp.nov.,compositesketches.A.Entirebodyofmalespecimen.B.Posterior end of female specimen. C. Stylet.Abbreviations:a =auricles (ciliary pits); ap = adhesive papillae; b = brain; eg = egg; i = intestine; m = mouth; n = nematocysts; o = ovary; ph = pharynx; r = rhabdites; st = male stylet;t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160490/files/figure.png" pageId="7" pageNumber="8">3C</figureCitation>
). Male pore not seen.
</paragraph>
<paragraph id="351EFE07FFCE6D1206A0FDEDFAEEFD06" blockId="7.[189,1399,578,641]" pageId="7" pageNumber="8">
Female reproductive system including single mediolateral ovary and ventral female gonopore (
<figureCitation id="AD9AE282FFCE6D12030EFDEDFADEFDDA" box="[1299,1394,578,605]" captionStart="Fig. 2" captionStartId="6.[189,232,1862,1888]" captionTargetBox="[189,1399,684,1819]" captionTargetId="figure@6.[189,1399,684,1819]" captionTargetPageId="6" captionText="Fig. 2. Microstomum edmondi sp. nov. A. Entire body. B. Anterior end with focus on glands around mouth.C. Posteriorend with focuson adhesive papillae. D.Anterior end of male specimen.E.Anterior end offemale specimen.Abbreviations:a =auricles (ciliarypits);ap=adhesivepapillae; b=brain; eg= egg; i = intestine; m = mouth; o = ovary; ph = pharynx; r = rhabdite bundle; st = male stylet; t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160488/files/figure.png" pageId="7" pageNumber="8">Figs 2E</figureCitation>
,
<figureCitation id="AD9AE282FFCE6D1206A0FDC8FF4EFD06" box="[189,226,615,641]" captionStart="Fig.3" captionStartId="8.[189,232,1894,1920]" captionTargetBox="[201,1384,342,1850]" captionTargetId="figure@8.[189,1399,340,1853]" captionTargetPageId="8" captionText="Fig.3.Microstomumedmondisp.nov.,compositesketches.A.Entirebodyofmalespecimen.B.Posterior end of female specimen. C. Stylet.Abbreviations:a =auricles (ciliary pits); ap = adhesive papillae; b = brain; eg = egg; i = intestine; m = mouth; n = nematocysts; o = ovary; ph = pharynx; r = rhabdites; st = male stylet;t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160490/files/figure.png" pageId="7" pageNumber="8">3B</figureCitation>
). Eggs develop caudally. Very small testis posterior to ovary present in some animals (
<figureCitation id="AD9AE282FFCE6D1202C4FDC9FA99FD06" box="[1241,1333,614,641]" captionStart="Fig. 2" captionStartId="6.[189,232,1862,1888]" captionTargetBox="[189,1399,684,1819]" captionTargetId="figure@6.[189,1399,684,1819]" captionTargetPageId="6" captionText="Fig. 2. Microstomum edmondi sp. nov. A. Entire body. B. Anterior end with focus on glands around mouth.C. Posteriorend with focuson adhesive papillae. D.Anterior end of male specimen.E.Anterior end offemale specimen.Abbreviations:a =auricles (ciliarypits);ap=adhesivepapillae; b=brain; eg= egg; i = intestine; m = mouth; o = ovary; ph = pharynx; r = rhabdite bundle; st = male stylet; t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160488/files/figure.png" pageId="7" pageNumber="8">Fig. 2E</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="7DBBAD8CFFCE6D1C06A0FD06FC8FFDC1" lastPageId="9" lastPageNumber="10" pageId="7" pageNumber="8" type="discussion">
<paragraph id="351EFE07FFCE6D1206A0FD06FE83FD44" blockId="7.[189,303,681,707]" box="[189,303,681,707]" pageId="7" pageNumber="8">
<heading id="6E56496BFFCE6D1206A0FD06FE83FD44" bold="true" box="[189,303,681,707]" fontSize="11" level="3" pageId="7" pageNumber="8" reason="3">
<emphasis id="07D52215FFCE6D1206A0FD06FE83FD44" bold="true" box="[189,303,681,707]" pageId="7" pageNumber="8">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="351EFE07FFCE6D1206A0FD77FB0FFBFB" blockId="7.[189,1399,728,1148]" pageId="7" pageNumber="8">
Almost all sexually mature specimens of
<taxonomicName id="F2A18584FFCE6D1204BDFD76FC02FD75" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[672,942,728,754]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="edmondi" status="sp. nov.">
<emphasis id="07D52215FFCE6D1204BDFD76FC02FD75" box="[672,942,728,754]" italics="true" pageId="7" pageNumber="8">Microstomum edmondi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCE6D1205A9FD77FBA3FD75" box="[948,1039,728,754]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
displayed only male or female sexual organs. Only one individual (
<figureCitation id="AD9AE282FFCE6D120446FD54FD1EFC91" box="[603,690,763,790]" captionStart="Fig. 2" captionStartId="6.[189,232,1862,1888]" captionTargetBox="[189,1399,684,1819]" captionTargetId="figure@6.[189,1399,684,1819]" captionTargetPageId="6" captionText="Fig. 2. Microstomum edmondi sp. nov. A. Entire body. B. Anterior end with focus on glands around mouth.C. Posteriorend with focuson adhesive papillae. D.Anterior end of male specimen.E.Anterior end offemale specimen.Abbreviations:a =auricles (ciliarypits);ap=adhesivepapillae; b=brain; eg= egg; i = intestine; m = mouth; o = ovary; ph = pharynx; r = rhabdite bundle; st = male stylet; t = testis; vs = vesicula seminalis." httpUri="https://zenodo.org/record/1160488/files/figure.png" pageId="7" pageNumber="8">Fig. 2E</figureCitation>
) contained both an ovary with a single egg and what appeared to be a small testis, roughly a quarter of the size of the testes of the other male specimens. This individual otherwise lacked any discernible male copulatory apparatus (vesicula seminalis or stylet). Furthermore, animals with male reproductive anatomy were generally composed of two zooids with the sexual organs in the posterior zooid only, and animals with female anatomy were always solitary. Previous life cycle studies on
<taxonomicName id="F2A18584FFCE6D12075DFC00FD2DFC4E" authority="Graff, 1882" authorityName="Graff" authorityYear="1882" box="[320,641,943,969]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="papillosum">
<emphasis id="07D52215FFCE6D12075DFC00FE40FC4E" box="[320,492,943,969]" italics="true" pageId="7" pageNumber="8">M. papillosum</emphasis>
<bibRefCitation id="513083F6FFCE6D1207EBFC00FD2DFC4E" author="Graff" box="[502,641,943,969]" pageId="7" pageNumber="8" refString="Von Graff L. 1882. Monographie der Turbellarien: I. Rhabdocoelida. Verlag Wilhelm Engelmann, Leipzig." type="book" year="1882">Graff, 1882</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="F2A18584FFCE6D1204A2FC00FC52FC4E" authority="Faubel, 1974" authorityName="Faubel" authorityYear="1974" box="[703,1022,943,969]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="spiculifer">
<emphasis id="07D52215FFCE6D1204A2FC00FCF4FC4E" box="[703,856,943,969]" italics="true" pageId="7" pageNumber="8">M. spiculifer</emphasis>
<bibRefCitation id="513083F6FFCE6D12057FFC00FC52FC4E" author="Faubel" box="[866,1022,943,969]" pageId="7" pageNumber="8" refString="Faubel A. 1974. Macrostomida (Turbellaria) von einem Sandstrand der Nordseeinsel Sylt. Mikrofauna Meeresboden 45: 339 - 370." type="journal article" year="1974">Faubel, 1974</bibRefCitation>
</taxonomicName>
found that male genital organs first occur in asexually produced zooids that are otherwise well-developed, and sexual development then finishes in solitary individuals (
<bibRefCitation id="513083F6FFCE6D120474FC59FD53FB97" author="Faubel" box="[617,767,1014,1040]" pageId="7" pageNumber="8" refString="Faubel A. 1974. Macrostomida (Turbellaria) von einem Sandstrand der Nordseeinsel Sylt. Mikrofauna Meeresboden 45: 339 - 370." type="journal article" year="1974">Faubel 1974</bibRefCitation>
,
<bibRefCitation id="513083F6FFCE6D120511FC59FCE6FB97" author="Faubel" box="[780,842,1014,1040]" pageId="7" pageNumber="8" refString="Faubel A. 1976. Populationsdynamik und Lebenszyklen interstitieller Acoela und Macrostomida (Turbellaria). Mikrofauna Meeresboden 56: 253 - 359." type="journal article" year="1976">1976</bibRefCitation>
;
<bibRefCitation id="513083F6FFCE6D12054BFC59FC57FB97" author="Hellwig" box="[854,1019,1014,1040]" pageId="7" pageNumber="8" refString="Hellwig M. 1987. Okologie freilebender Plathelminthen im Grenzraum Watt-Salzwiese lenitischer Gezeitenkusten. Microfauna Marina 3: 157 - 248." type="journal article" year="1987">Hellwig 1987</bibRefCitation>
). Thus,
<taxonomicName id="F2A18584FFCE6D120244FC58FB49FB97" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[1113,1253,1014,1040]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="edmondi" status="sp. nov.">
<emphasis id="07D52215FFCE6D120244FC58FB49FB97" box="[1113,1253,1014,1040]" italics="true" pageId="7" pageNumber="8">M. edmondi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCE6D1202F0FC58FAE4FB96" box="[1261,1352,1015,1041]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
has a protandrous hermaphroditic development. Protandrous development also occurs in other species of
<taxonomicName id="F2A18584FFCE6D1206A0FB90FEF3FBDF" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[189,351,1087,1112]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="genus">
<emphasis id="07D52215FFCE6D1206A0FB90FEF3FBDF" box="[189,351,1087,1112]" italics="true" pageId="7" pageNumber="8">Microstomum</emphasis>
</taxonomicName>
, including
<taxonomicName id="F2A18584FFCE6D1207F4FB90FCEDFBDF" authority="Stirewalt, 1937" authorityName="Stirewalt" authorityYear="1937" box="[489,833,1086,1112]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="bispiralis">
<emphasis id="07D52215FFCE6D1207F4FB90FD2DFBDF" box="[489,641,1086,1112]" italics="true" pageId="7" pageNumber="8">M. bispiralis</emphasis>
Stirewalt, 1937
</taxonomicName>
,
<taxonomicName id="F2A18584FFCE6D12054FFB90FB29FBDF" authority="(Muller, 1773)" authorityName="Muller" authorityYear="1773" baseAuthorityName="Muller" baseAuthorityYear="1773" box="[850,1157,1086,1112]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="lineare">
<emphasis id="07D52215FFCE6D12054FFB90FC61FBDF" box="[850,973,1086,1112]" italics="true" pageId="7" pageNumber="8">M. lineare</emphasis>
(Müller, 1773)
</taxonomicName>
,
<taxonomicName id="F2A18584FFCE6D12028BFB90FAEEFBDF" authorityName="Graff" authorityYear="1882" box="[1174,1346,1086,1112]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="papillosum">
<emphasis id="07D52215FFCE6D12028BFB90FAEEFBDF" box="[1174,1346,1086,1112]" italics="true" pageId="7" pageNumber="8">M. papillosum</emphasis>
</taxonomicName>
and
<taxonomicName id="F2A18584FFCE6D1206A0FBCCFEFFFBFB" authorityName="Faubel" authorityYear="1974" box="[189,339,1122,1148]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="spiculifer">
<emphasis id="07D52215FFCE6D1206A0FBCCFEFFFBFB" box="[189,339,1122,1148]" italics="true" pageId="7" pageNumber="8">M. spiculifer</emphasis>
</taxonomicName>
(
<bibRefCitation id="513083F6FFCE6D12077FFBCDFD99FBFB" author="Bauchhenss" box="[354,565,1122,1148]" pageId="7" pageNumber="8" refString="Bauchhenss J. 1971. Die kleinturbellarien Frankens. Ein Beitrag zur Systematik und Okologie der Turbellarien excl. Tricladida in Suddeutschland. International Revue der Gesamten Hydrobiologia 56: 609 - 666." type="journal article" year="1971">Bauchhenss 1971</bibRefCitation>
;
<bibRefCitation id="513083F6FFCE6D12045FFBCDFD7AFBFB" author="Faubel" box="[578,726,1122,1148]" pageId="7" pageNumber="8" refString="Faubel A. 1974. Macrostomida (Turbellaria) von einem Sandstrand der Nordseeinsel Sylt. Mikrofauna Meeresboden 45: 339 - 370." type="journal article" year="1974">Faubel 1974</bibRefCitation>
,
<bibRefCitation id="513083F6FFCE6D1204FFFBCDFC8CFBFB" author="Faubel" box="[738,800,1122,1148]" pageId="7" pageNumber="8" refString="Faubel A. 1976. Populationsdynamik und Lebenszyklen interstitieller Acoela und Macrostomida (Turbellaria). Mikrofauna Meeresboden 56: 253 - 359." type="journal article" year="1976">1976</bibRefCitation>
;
<bibRefCitation id="513083F6FFCE6D120531FBCDFC49FBFB" author="Heitkamp" box="[812,997,1122,1148]" pageId="7" pageNumber="8" refString="Heitkamp U. 1982. Untersuchungen zur Biologie, Okologie und Systematik limnischer Turbellarien periodischer und perennierender Kleingewasser Sudniedersachsens. Archiv fur Hydrobiologie supplement 64: 65 - 188." type="journal article" year="1982">Heitkamp 1982</bibRefCitation>
;
<bibRefCitation id="513083F6FFCE6D1205ECFBCDFB3AFBFB" author="Hellwig" box="[1009,1174,1122,1148]" pageId="7" pageNumber="8" refString="Hellwig M. 1987. Okologie freilebender Plathelminthen im Grenzraum Watt-Salzwiese lenitischer Gezeitenkusten. Microfauna Marina 3: 157 - 248." type="journal article" year="1987">Hellwig 1987</bibRefCitation>
).
</paragraph>
<paragraph id="351EFE07FFCE6D1206A0FB0BFDD0F987" blockId="7.[189,1398,1188,1536]" pageId="7" pageNumber="8">
In general,
<taxonomicName id="F2A18584FFCE6D120758FB0AFE7EFB39" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[325,466,1188,1214]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="edmondi" status="sp. nov.">
<emphasis id="07D52215FFCE6D120758FB0AFE7EFB39" box="[325,466,1188,1214]" italics="true" pageId="7" pageNumber="8">M. edmondi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCE6D1207C6FB0BFD9BFB39" box="[475,567,1188,1214]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
can be easily distinguished by the shape of the male stylet. Of the 15 currently accepted species of
<taxonomicName id="F2A18584FFCE6D120435FB66FD66FB65" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[552,714,1225,1250]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="genus">
<emphasis id="07D52215FFCE6D120435FB66FD66FB65" box="[552,714,1225,1250]" italics="true" pageId="7" pageNumber="8">Microstomum</emphasis>
</taxonomicName>
for which sexual anatomy is known, six (
<taxonomicName id="F2A18584FFCE6D1202C8FB66FAC3FB65" authorityName="Stirewalt" authorityYear="1937" box="[1237,1391,1224,1250]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="bispiralis">
<emphasis id="07D52215FFCE6D1202C8FB66FAC3FB65" box="[1237,1391,1224,1250]" italics="true" pageId="7" pageNumber="8">M. bispiralis</emphasis>
</taxonomicName>
,
<taxonomicName id="F2A18584FFCE6D1206A0FB43FDA5FA81" authority="Hallez, 1878" authorityName="Hallez" authorityYear="1878" box="[189,521,1259,1286]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="giganteum">
<emphasis id="07D52215FFCE6D1206A0FB43FECFFA82" box="[189,355,1260,1285]" italics="true" pageId="7" pageNumber="8">M. giganteum</emphasis>
Hallez, 1878
</taxonomicName>
,
<taxonomicName id="F2A18584FFCE6D120405FB43FC14FA81" authority="Levinsen, 1879" authorityName="Levinsen" authorityYear="1879" box="[536,952,1259,1286]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="groenlandicum">
<emphasis id="07D52215FFCE6D120405FB43FD58FA82" box="[536,756,1259,1285]" italics="true" pageId="7" pageNumber="8">M. groenlandicum</emphasis>
Levinsen, 1879
</taxonomicName>
,
<taxonomicName id="F2A18584FFCE6D1205DAFB43FB47FA81" authority="Riedel, 1932" authorityName="Riedel" authorityYear="1932" box="[967,1259,1259,1286]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="jenseni">
<emphasis id="07D52215FFCE6D1205DAFB43FBE9FA82" box="[967,1093,1260,1285]" italics="true" pageId="7" pageNumber="8">M. jenseni</emphasis>
Riedel, 1932
</taxonomicName>
,
<taxonomicName id="F2A18584FFCE6D1202E7FB43FADAFA82" baseAuthorityName="Muller" baseAuthorityYear="1773" box="[1274,1398,1259,1285]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="lineare">
<emphasis id="07D52215FFCE6D1202E7FB43FADAFA82" box="[1274,1398,1259,1285]" italics="true" pageId="7" pageNumber="8">M. lineare</emphasis>
</taxonomicName>
and
<taxonomicName id="F2A18584FFCE6D1206ECFABFFDFBFAAD" authority="Westblad, 1953" authorityName="Westblad" authorityYear="1953" box="[241,599,1295,1322]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="spiriferum">
<emphasis id="07D52215FFCE6D1206ECFABFFE39FAAE" box="[241,405,1295,1321]" italics="true" pageId="7" pageNumber="8">M. spiriferum</emphasis>
<bibRefCitation id="513083F6FFCE6D120783FAA0FDFBFAAD" author="Westblad" box="[414,599,1295,1322]" pageId="7" pageNumber="8" 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>
) have spiraled or coiled stylets, two (
<taxonomicName id="F2A18584FFCE6D12023DFABFFF54FACA" authority="Riedel, 1932" authorityName="Riedel" authorityYear="1932" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="dermophthalmum">
<emphasis id="07D52215FFCE6D12023DFABFFAB5FAAE" box="[1056,1305,1295,1321]" italics="true" pageId="7" pageNumber="8">M. dermophthalmum</emphasis>
Riedel, 1932
</taxonomicName>
and
<taxonomicName id="F2A18584FFCE6D120727FA9BFE78FACA" authorityName="Faubel" authorityYear="1974" box="[314,468,1331,1357]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="spiculifer">
<emphasis id="07D52215FFCE6D120727FA9BFE78FACA" box="[314,468,1331,1357]" italics="true" pageId="7" pageNumber="8">M. spiculifer</emphasis>
</taxonomicName>
) have strait stylets (
<taxonomicName id="F2A18584FFCE6D1204C9FA9BFC6BFACA" box="[724,967,1331,1357]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="dermophthamum">
<emphasis id="07D52215FFCE6D1204C9FA9BFC6BFACA" box="[724,967,1331,1357]" italics="true" pageId="7" pageNumber="8">M. dermophthamum</emphasis>
</taxonomicName>
with a thicker distal end) and five (
<taxonomicName id="F2A18584FFCE6D1206DAFAF7FDA6FAF6" authority="Faubel, 1984" authorityName="Faubel" authorityYear="1984" box="[199,522,1367,1393]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="crildensis">
<emphasis id="07D52215FFCE6D1206DAFAF7FECEFAF6" box="[199,354,1367,1393]" italics="true" pageId="7" pageNumber="8">M. crildensis</emphasis>
Faubel, 1984
</taxonomicName>
,
<taxonomicName id="F2A18584FFCE6D120404FAF7FCF9FAF6" authority="Uljanin, 1870" authorityName="Uljanin" authorityYear="1870" box="[537,853,1367,1393]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="ornatum">
<emphasis id="07D52215FFCE6D120404FAF7FD09FAF6" box="[537,677,1368,1393]" italics="true" pageId="7" pageNumber="8">M. ornatum</emphasis>
Uljanin, 1870
</taxonomicName>
,
<taxonomicName id="F2A18584FFCE6D120579FAF7FBA3FAF6" authorityName="Graff" authorityYear="1882" box="[868,1039,1367,1393]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="papillosum">
<emphasis id="07D52215FFCE6D120579FAF7FBA3FAF6" box="[868,1039,1367,1393]" italics="true" pageId="7" pageNumber="8">M. papillosum</emphasis>
</taxonomicName>
,
<taxonomicName id="F2A18584FFCE6D12023CFAF7FF54FA12" authority="Sabussow, 1900" authorityName="Sabussow" authorityYear="1900" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="septentrionale">
<emphasis id="07D52215FFCE6D12023CFAF7FB5EFAF6" box="[1057,1266,1367,1393]" italics="true" pageId="7" pageNumber="8">M. septentrionale</emphasis>
Sabussow, 1900
</taxonomicName>
and
<taxonomicName id="F2A18584FFCE6D120727FAD3FD20FA11" authority="Marcus, 1950" authorityName="Marcus" authorityYear="1950" box="[314,652,1403,1430]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="trichotum">
<emphasis id="07D52215FFCE6D120727FAD3FE74FA12" box="[314,472,1403,1429]" italics="true" pageId="7" pageNumber="8">M. trichotum</emphasis>
<bibRefCitation id="513083F6FFCE6D1207F8FAD4FD20FA11" author="Marcus" box="[485,652,1403,1430]" pageId="7" pageNumber="8" 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>
) have distinctly and continuously curved or crescent shaped stylets. Furthermore, the stylet of
<taxonomicName id="F2A18584FFCE6D12045AFA30FD7FFA3E" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[583,723,1439,1465]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="edmondi" status="sp. nov.">
<emphasis id="07D52215FFCE6D12045AFA30FD7FFA3E" box="[583,723,1439,1465]" italics="true" pageId="7" pageNumber="8">M. edmondi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCE6D1204C7FA30FC98FA3E" box="[730,820,1439,1465]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
clearly differs from that of
<taxonomicName id="F2A18584FFCE6D120268FA30FED2FA5A" authority="Steinbock, 1933" authorityName="Steinbock" authorityYear="1933" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="melanophthalmum">
<emphasis id="07D52215FFCE6D120268FA30FADAFA3E" box="[1141,1398,1439,1465]" italics="true" pageId="7" pageNumber="8">M. melanophthalmum</emphasis>
Steinböck, 1933
</taxonomicName>
by its size (67 vs 30 µm, respectively), as well as the lack of very wide, almost flat proximal rims and mid-way 90° bend.
</paragraph>
<paragraph id="351EFE07FFCE6D1206DEF987FE19F802" blockId="7.[189,1399,1576,1925]" pageId="7" pageNumber="8">
Of the species of
<taxonomicName id="F2A18584FFCE6D120796F986FD81F9C5" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[395,557,1577,1602]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="genus">
<emphasis id="07D52215FFCE6D120796F986FD81F9C5" box="[395,557,1577,1602]" italics="true" pageId="7" pageNumber="8">Microstomum</emphasis>
</taxonomicName>
for which sexual anatomy is known,
<taxonomicName id="F2A18584FFCE6D1205C1F986FBCBF9C5" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[988,1127,1576,1602]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="edmondi" status="sp. nov.">
<emphasis id="07D52215FFCE6D1205C1F986FBCBF9C5" box="[988,1127,1576,1602]" italics="true" pageId="7" pageNumber="8">M. edmondi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCE6D120270F986FB6BF9C4" box="[1133,1223,1577,1603]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
is most similar to
<taxonomicName id="F2A18584FFCE6D1206C6F9E2FD82F9E0" authority="Westblad, 1953" authorityName="Westblad" authorityYear="1953" box="[219,558,1612,1639]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="hamatum">
<emphasis id="07D52215FFCE6D1206C6F9E2FEC3F9E1" box="[219,367,1612,1638]" italics="true" pageId="7" pageNumber="8">M. hamatum</emphasis>
<bibRefCitation id="513083F6FFCE6D120768F9E3FD82F9E0" author="Westblad" box="[373,558,1612,1639]" pageId="7" pageNumber="8" 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>
. The male reproductive system for both includes a large seminal vesicle and a 6070-µm-long stylet with similar shape. Both species additionally include individuals with only a single large testis, although animals with smaller, paired testes were also found in
<taxonomicName id="F2A18584FFCE6D1202FCF93AFE2AF955" authority="(Westblad 1953)" authorityName="Westblad" authorityYear="1953" baseAuthorityName="Westblad" baseAuthorityYear="1953" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="hamatum">
<emphasis id="07D52215FFCE6D1202FCF93AFADAF929" box="[1249,1398,1684,1710]" italics="true" pageId="7" pageNumber="8">M. hamatum</emphasis>
(
<bibRefCitation id="513083F6FFCE6D1206D8F917FED1F955" author="Westblad" box="[197,381,1719,1746]" pageId="7" pageNumber="8" 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>
. The stylet of
<taxonomicName id="F2A18584FFCE6D120425F916FD6BF955" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[568,711,1720,1746]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="edmondi" status="sp. nov.">
<emphasis id="07D52215FFCE6D120425F916FD6BF955" box="[568,711,1720,1746]" italics="true" pageId="7" pageNumber="8">M. edmondi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCE6D1204CFF917FC9EF955" box="[722,818,1720,1746]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
, however, can be distinguished by the narrower base, more gradual distal tapering and a small arched tip.
<taxonomicName id="F2A18584FFCE6D120573F973FB29F972" baseAuthorityName="Westblad" baseAuthorityYear="1953" box="[878,1157,1755,1781]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="hamatum">
<emphasis id="07D52215FFCE6D120573F973FB29F972" box="[878,1157,1755,1781]" italics="true" pageId="7" pageNumber="8">Microstomum hamatum</emphasis>
</taxonomicName>
has a much broader funnel-shaped stylet ending in an 180° curve that forms a large hook. Other morphological differences include the pointed anterior end, large ciliary pits and lack of dark gray pigmentation in
<taxonomicName id="F2A18584FFCE6D1202F5F88BFADAF8BA" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[1256,1398,1827,1853]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="edmondi" status="sp. nov.">
<emphasis id="07D52215FFCE6D1202F5F88BFADAF8BA" box="[1256,1398,1827,1853]" italics="true" pageId="7" pageNumber="8">M. edmondi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCE6D1206A0F8E8FEB4F8E6" box="[189,280,1863,1889]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
Finally,
<taxonomicName id="F2A18584FFCE6D120763F8E7FDA6F8E6" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[382,522,1863,1889]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="edmondi" status="sp. nov.">
<emphasis id="07D52215FFCE6D120763F8E7FDA6F8E6" box="[382,522,1863,1889]" italics="true" pageId="7" pageNumber="8">M. edmondi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFCE6D12040FF8E8FDC0F8E6" box="[530,620,1863,1889]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
was collected from shallow, fairly clean marine sediments instead of deeper black mud.
</paragraph>
<paragraph id="351EFE07FFCE6D1C06A0F802FC8FFDC1" blockId="7.[189,1399,1965,2027]" lastBlockId="9.[189,1399,267,582]" lastPageId="9" lastPageNumber="10" pageId="7" pageNumber="8">
Of the species of
<taxonomicName id="F2A18584FFCE6D12078DF801FD9EF840" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[400,562,1966,1991]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="genus">
<emphasis id="07D52215FFCE6D12078DF801FD9EF840" box="[400,562,1966,1991]" italics="true" pageId="7" pageNumber="8">Microstomum</emphasis>
</taxonomicName>
for which the sexual organs remain undocumented, only eight inhabit marine waters (
<taxonomicName id="F2A18584FFCE6D12076EF87DFDB2F86C" authorityName="Faubel" authorityYear="1984" box="[371,542,2001,2027]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="bioculatum">
<emphasis id="07D52215FFCE6D12076EF87DFDB2F86C" box="[371,542,2001,2027]" italics="true" pageId="7" pageNumber="8">M. bioculatum</emphasis>
</taxonomicName>
,
<taxonomicName id="F2A18584FFCE6D120430F87DFCC2F86C" authority="Marcus, 1951" authorityName="Marcus" authorityYear="1951" box="[557,878,2000,2027]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="breviceps">
<emphasis id="07D52215FFCE6D120430F87DFD6FF86C" box="[557,707,2001,2027]" italics="true" pageId="7" pageNumber="8">M. breviceps</emphasis>
Marcus, 1951
</taxonomicName>
,
<taxonomicName id="F2A18584FFCE6D120567F87DFB49F86C" authority="von Graff, 1911" authorityName="von Graff" authorityYear="1911" box="[890,1253,2001,2027]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="davenporti">
<emphasis id="07D52215FFCE6D120567F87DFB8CF86C" box="[890,1056,2001,2027]" italics="true" pageId="7" pageNumber="8">M. davenporti</emphasis>
von Graff, 1911
</taxonomicName>
,
<taxonomicName id="F2A18584FFCE6D1C02ECF87DFE2EFEA2" authority="Fuhrmann, 1896" authorityName="Fuhrmann" authorityYear="1896" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" lastPageId="9" lastPageNumber="10" order="Macrostomida" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="species" species="lucidum">
<emphasis id="07D52215FFCE6D1202ECF87DFADBF86C" box="[1265,1399,2001,2027]" italics="true" pageId="7" pageNumber="8">M. lucidum</emphasis>
Fuhrmann, 1896
</taxonomicName>
,
<taxonomicName id="F2A18584FFC06D1C078DFEA3FD49FEA1" authority="von Graff, 1905" authorityName="von Graff" authorityYear="1905" box="[400,741,267,294]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="mundum">
<emphasis id="07D52215FFC06D1C078DFEA3FDB1FEA2" box="[400,541,267,293]" italics="true" pageId="9" pageNumber="10">M. mundum</emphasis>
von Graff, 1905
</taxonomicName>
,
<taxonomicName id="F2A18584FFC06D1C04EEFEA3FBE4FEA1" authority="Marcus, 1951" authorityName="Marcus" authorityYear="1951" box="[755,1096,267,294]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="rhabdotum">
<emphasis id="07D52215FFC06D1C04EEFEA3FC37FEA2" box="[755,923,267,293]" italics="true" pageId="9" pageNumber="10">M. rhabdotum</emphasis>
Marcus, 1951
</taxonomicName>
,
<taxonomicName id="F2A18584FFC06D1C024BFEA3FEEBFECE" authority="von Graff, 1882" authorityName="von Graff" authorityYear="1882" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="rubromaculatum">
<emphasis id="07D52215FFC06D1C024BFEA3FAEEFEA2" box="[1110,1346,267,293]" italics="true" pageId="9" pageNumber="10">M. rubromaculatum</emphasis>
von
<bibRefCitation id="513083F6FFC06D1C06A0FE80FEEBFECE" author="Graff" box="[189,327,303,329]" pageId="9" pageNumber="10" refString="Von Graff L. 1882. Monographie der Turbellarien: I. Rhabdocoelida. Verlag Wilhelm Engelmann, Leipzig." type="book" year="1882">Graff, 1882</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="F2A18584FFC06D1C0749FE9FFDCEFECD" authority="Marcus, 1950" authorityName="Marcus" authorityYear="1950" box="[340,610,303,330]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="ulum">
<emphasis id="07D52215FFC06D1C0749FE9FFE1AFECE" box="[340,438,303,329]" italics="true" pageId="9" pageNumber="10">M. ulum</emphasis>
<bibRefCitation id="513083F6FFC06D1C07A1FE9FFDCEFECD" author="Marcus" box="[444,610,303,330]" pageId="9" pageNumber="10" 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="F2A18584FFC06D1C046BFE9FFC28FECE" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[630,900,303,329]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="edmondi" status="sp. nov.">
<emphasis id="07D52215FFC06D1C046BFE9FFC28FECE" box="[630,900,303,329]" italics="true" pageId="9" pageNumber="10">Microstomum edmondi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFC06D1C0596FE9FFC4AFECD" box="[907,998,304,330]" pageId="9" pageNumber="10" rank="species">sp. nov.</taxonomicNameLabel>
is clearly most similar to
<taxonomicName id="F2A18584FFC06D1C0308FE9FFADBFECE" authorityName="Marcus" authorityYear="1950" box="[1301,1399,303,329]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="ulum">
<emphasis id="07D52215FFC06D1C0308FE9FFADBFECE" box="[1301,1399,303,329]" italics="true" pageId="9" pageNumber="10">M. ulum</emphasis>
</taxonomicName>
in that both have conically pointed anterior ends, large ciliary pits and large rhabdite bundles, and both lack eyespot pigmentation. Morphological differences occur in the shape of the posterior end, where a clear constriction sets apart a rounded adhesive tail plate in
<taxonomicName id="F2A18584FFC06D1C0561FE33FC73FE32" authorityName="Marcus" authorityYear="1950" box="[892,991,411,437]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="ulum">
<emphasis id="07D52215FFC06D1C0561FE33FC73FE32" box="[892,991,411,437]" italics="true" pageId="9" pageNumber="10">M. ulum</emphasis>
</taxonomicName>
while the posterior of
<taxonomicName id="F2A18584FFC06D1C02F7FE33FADAFE32" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[1258,1398,411,437]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="edmondi" status="sp. nov.">
<emphasis id="07D52215FFC06D1C02F7FE33FADAFE32" box="[1258,1398,411,437]" italics="true" pageId="9" pageNumber="10">M. edmondi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFC06D1C06A0FE6FFEB4FE5D" box="[189,280,448,474]" pageId="9" pageNumber="10" rank="species">sp. nov.</taxonomicNameLabel>
is more paddle-like and blunt, and perhaps in the density of the locomotory cilia. Both species may be found in shallow marine sediments but are described from very distant locales,
<taxonomicName id="F2A18584FFC06D1C02D7FE4BFA81FE7A" authorityName="Marcus" authorityYear="1950" box="[1226,1325,483,509]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="ulum">
<emphasis id="07D52215FFC06D1C02D7FE4BFA81FE7A" box="[1226,1325,483,509]" italics="true" pageId="9" pageNumber="10">M. ulum</emphasis>
</taxonomicName>
being from the southwest Atlantic near the Island of São Sebastião,
<collectingCountry id="4DB6BE97FFC06D1C0584FDA8FC4DFDA6" box="[921,993,519,545]" name="Brazil" pageId="9" pageNumber="10">Brazil</collectingCountry>
(
<bibRefCitation id="513083F6FFC06D1C05ECFDA8FB23FDA5" author="Marcus" box="[1009,1167,519,546]" pageId="9" pageNumber="10" 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>
) while
<taxonomicName id="F2A18584FFC06D1C02F4FDA7FADAFDA6" authority="Atherton &amp; Jondelius, 2018" authorityName="Atherton &amp; Jondelius" authorityYear="2018" box="[1257,1398,519,545]" class="Rhabditophora" family="Microstomidae" genus="Microstomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Macrostomida" pageId="9" pageNumber="10" phylum="Platyhelminthes" rank="species" species="edmondi" status="sp. nov.">
<emphasis id="07D52215FFC06D1C02F4FDA7FADAFDA6" box="[1257,1398,519,545]" italics="true" pageId="9" pageNumber="10">M. edmondi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1CE69F6EFFC06D1C06A0FD83FEB4FDC1" box="[189,280,556,582]" pageId="9" pageNumber="10" rank="species">sp. nov.</taxonomicNameLabel>
was described from the Swedish west coast.
</paragraph>
</subSubSection>
</treatment>
</document>