treatments-xml/data/03/CF/93/03CF933DFF8DFF8277D9A948BA86FC23.xml

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<document id="E97C98BDB16121AC9C3EC817DABE689F" ID-DOI="10.11646/zootaxa.5575.2.11" ID-ISSN="1175-5326" ID-Zenodo-Dep="14746665" IM.bibliography_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1737970993234" checkinUser="plazi" docAuthor="Chernyshev, Alexei V." docDate="2025" docId="03CF933DFF8DFF8277D9A948BA86FC23" docLanguage="en" docName="zootaxa.5575.2.11.pdf" docOrigin="Zootaxa 5575 (2)" docSource="https://doi.org/10.11646/zootaxa.5575.2.11" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Quasimicrura Chernyshev, 2025, gen. nov." docType="treatment" docVersion="2" lastPageNumber="347" masterDocId="FFF6EB45FF8CFF83774EA86DB82CFFC8" masterDocTitle="Three new genera for the species previously placed in the genera Micrura and Lineus (Nemertea, Heteronemertea)" masterLastPageNumber="348" masterPageNumber="346" pageNumber="347" updateTime="1737972101917" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="DBDC2449B26EAC12202BEAEB05DCEC82">Three new genera for the species previously placed in the genera Micrura and Lineus (Nemertea, Heteronemertea)</mods:title>
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<mods:namePart id="B7B7C3C73FBD0C15FD90D270331A5CC2">Chernyshev, Alexei V.</mods:namePart>
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<mods:date id="D568CD38A012286BA052D9AD34129A57">2025</mods:date>
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<mods:identifier id="E1496A6199D34FDC32EC20491DC2816F" type="DOI">10.11646/zootaxa.5575.2.11</mods:identifier>
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<treatment id="03CF933DFF8DFF8277D9A948BA86FC23" LSID="urn:lsid:plazi:treatment:03CF933DFF8DFF8277D9A948BA86FC23" httpUri="http://treatment.plazi.org/id/03CF933DFF8DFF8277D9A948BA86FC23" lastPageNumber="347" pageId="1" pageNumber="347">
<subSubSection id="C37C71A0FF8DFF8277D9A948BBB3FEAB" pageId="1" pageNumber="347" type="nomenclature">
<paragraph id="8BD9222BFF8DFF8277D9A948BA21FE88" blockId="1.[151,1437,293,1003]" box="[151,525,293,320]" pageId="1" pageNumber="347">
<heading id="D0919547FF8DFF8277D9A948BA21FE88" bold="true" box="[151,525,293,320]" fontSize="11" level="1" pageId="1" pageNumber="347" reason="1">
<emphasis id="B912FE39FF8DFF8277D9A948BA21FE88" bold="true" box="[151,525,293,320]" pageId="1" pageNumber="347">
Genus
<taxonomicName id="4C6659A8FF8DFF8277A0A94BB9B4FE88" authorityName="Chernyshev" authorityYear="2025" box="[238,408,294,320]" class="Pilidiophora" family="Lineidae" genus="Quasimicrura" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="genus" status="gen. nov.">
<emphasis id="B912FE39FF8DFF8277A0A94BB9B4FE88" bold="true" box="[238,408,294,320]" italics="true" pageId="1" pageNumber="347">Quasimicrura</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2214342FF8DFF8276D1A94BBA21FE88" box="[415,525,294,320]" pageId="1" pageNumber="347" rank="genus">gen. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BD9222BFF8DFF8277D9A926BBB3FEAB" blockId="1.[151,1437,293,1003]" box="[151,927,331,355]" pageId="1" pageNumber="347">
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urn:lsid:zoobank.org:act:
<uuid id="FFC018FEFF8DFF8276D0A926BBB3FEAB" box="[414,927,331,355]" pageId="1" pageNumber="347">4C7910A4-D241-44A3-BE6C-1FB025D70393</uuid>
</uri>
</paragraph>
</subSubSection>
<subSubSection id="C37C71A0FF8DFF8277D9A91DBAD8FE40" box="[151,756,367,392]" pageId="1" pageNumber="347" type="type_taxon">
<paragraph id="8BD9222BFF8DFF8277D9A91DBAD8FE40" blockId="1.[151,1437,293,1003]" box="[151,756,367,392]" pageId="1" pageNumber="347">
<emphasis id="B912FE39FF8DFF8277D9A91DB907FE4F" bold="true" box="[151,299,367,392]" inLineHeading="true" pageId="1" pageNumber="347" reason="1">
<typeStatus id="54DD9C89FF8DFF8277D9A91DB8E3FE40" box="[151,207,368,392]" pageId="1" pageNumber="347">Type</typeStatus>
species.
</emphasis>
<taxonomicName id="4C6659A8FF8DFF82767FA902BADDFE40" ID-CoL="SWJR" authority="Hubrecht, 1879" authorityName="Hubrecht" authorityYear="1879" box="[305,753,367,392]" class="Pilidiophora" family="Lineidae" genus="Cerebratulus" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="species" species="dellechiajei">
<emphasis id="B912FE39FF8DFF82767FA902BA6CFE4F" box="[305,576,367,391]" italics="true" pageId="1" pageNumber="347">Cerebratulus dellechiajei</emphasis>
Hubrecht, 1879
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C37C71A0FF8DFF827789A9FEBCB2FC6B" pageId="1" pageNumber="347" type="diagnosis">
<paragraph id="8BD9222BFF8DFF827789A9FEBA2DFDA8" blockId="1.[151,1437,293,1003]" pageId="1" pageNumber="347">
<emphasis id="B912FE39FF8DFF827789A9FEB910FE63" bold="true" box="[199,316,403,427]" inLineHeading="true" pageId="1" pageNumber="347" reason="1">Diagnosis.</emphasis>
<taxonomicName id="4C6659A8FF8DFF827607A9FEB98AFE63" box="[329,422,403,427]" class="Pilidiophora" family="Lineidae" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="family">Lineidae</taxonomicName>
with lateral horizontal cephalic slits and caudal cirrus. Cutis glands not penetrate outer longitudinal musculature of body wall; thick connective tissue layer under cutis absent. Proboscis modified heterotype, without outer longitudinal musculature (see
<bibRefCitation id="EFF75FDAFF8DFF827523A9B6BB1CFE3B" author="Chernyshev, A. V." box="[621,816,475,499]" pageId="1" pageNumber="347" pagination="547 - 560" refId="ref1680" refString="Chernyshev, A. V. (2015) CLSM analysis of the phalloidin-stained muscle system of the nemertean proboscis and rhynchocoel. Zoological Science, 32 (6), 547 - 560. https: // doi. org / 10.2108 / zs 140267" type="journal article" year="2015">Chernyshev, 2015</bibRefCitation>
), with two muscle crosses and two pairs of nerves present. Rhynchodaeum divides blood lacuna into two cephalic blood vessels. Vascular blood plexus present in foregut region. Foregut with subepithelial gland-cell zone. Cerebral ganglia without outer neurilemma; neurochords and neurochord cells not found. Two (?) frontal organs.
</paragraph>
<paragraph id="8BD9222BFF8DFF827789AA06BBD6FD4B" blockId="1.[151,1437,293,1003]" box="[199,1018,619,644]" pageId="1" pageNumber="347">
<emphasis id="B912FE39FF8DFF827789AA06B995FD4B" bold="true" box="[199,441,619,643]" inLineHeading="true" pageId="1" pageNumber="347" reason="1">Generic composition.</emphasis>
<taxonomicName id="4C6659A8FF8DFF8276F1AA01BBBBFD4C" authority="(Hubrecht, 1879)" authorityName="Chernyshev" authorityYear="2025" baseAuthorityName="Hubrecht" baseAuthorityYear="1879" box="[447,919,619,644]" class="Pilidiophora" family="Lineidae" genus="Quasimicrura" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="species" species="dellechiajei" status="comb. nov.">
<emphasis id="B912FE39FF8DFF8276F1AA01BAF4FD4B" box="[447,728,619,643]" italics="true" pageId="1" pageNumber="347">Quasimicrura dellechiajei</emphasis>
(Hubrecht, 1879)
</taxonomicName>
<taxonomicNameLabel id="A2214342FF8DFF8274D3AA06BBD6FD4B" box="[925,1018,619,643]" pageId="1" pageNumber="347" rank="species">comb. n.</taxonomicNameLabel>
</paragraph>
<paragraph id="8BD9222BFF8DFF827789AAE2BCB2FC6B" blockId="1.[151,1437,293,1003]" pageId="1" pageNumber="347">
Remarks.
<taxonomicName id="4C6659A8FF8DFF827677AAFDBA36FD6F" baseAuthorityName="Hubrecht" baseAuthorityYear="1879" box="[313,538,655,679]" class="Pilidiophora" family="Lineidae" genus="Micrura" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="species" species="dellechiajei">
<emphasis id="B912FE39FF8DFF827677AAFDBA36FD6F" box="[313,538,655,679]" italics="true" pageId="1" pageNumber="347">Micrura dellechiajei</emphasis>
</taxonomicName>
was re-described by
<bibRefCitation id="EFF75FDAFF8DFF82745CAAE2BC40FD6F" author="Herrera-Bachiller, A. &amp; Kvist, S. &amp; Giribet, G. &amp; Junoy, J." box="[786,1132,655,679]" pageId="1" pageNumber="347" pagination="1091 - 1100" refId="ref1976" refString="Herrera-Bachiller, A., Kvist, S., Giribet, G. &amp; Junoy, J. (2015) Redescription of Micrura dellechiajei (Hubrecht, 1879) (Nemertea, Pilidiophora, Lineidae), a rare Mediterranean species. Journal of the Marine Biological Association of the United Kingdom, 95, 1091 - 1100. https: // doi. org / 10.1017 / S 0025315415000090" type="journal article" year="2015">
Herrera-Bachiller
<emphasis id="B912FE39FF8DFF827495AAFDBC3AFD6F" box="[987,1046,655,679]" italics="true" pageId="1" pageNumber="347">et al.</emphasis>
(2015)
</bibRefCitation>
. The phylogenetic analysis in that study showed the proximity of this species to the genus
<taxonomicName id="4C6659A8FF8DFF8274ECAAD9BC03FD03" authorityName="Huschke" authorityYear="1829" box="[930,1071,692,715]" class="Pilidiophora" family="Lineidae" genus="Notospermus" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="genus">
<emphasis id="B912FE39FF8DFF8274ECAAD9BC03FD03" box="[930,1071,692,715]" italics="true" pageId="1" pageNumber="347">Notospermus</emphasis>
</taxonomicName>
, with, however, clade
<taxonomicName id="4C6659A8FF8DFF82720DAAD9B93FFD27" baseAuthorityName="Hubrecht" baseAuthorityYear="1879" class="Pilidiophora" family="Lineidae" genus="Micrura" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="species" species="dellechiajei">
<emphasis id="B912FE39FF8DFF82720DAAD9B93FFD27" italics="true" pageId="1" pageNumber="347">Micrura dellechiajei</emphasis>
</taxonomicName>
+
<taxonomicName id="4C6659A8FF8DFF82766DAAB5B99CFD27" authorityName="Huschke" authorityYear="1829" box="[291,432,728,751]" class="Pilidiophora" family="Lineidae" genus="Notospermus" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="genus">
<emphasis id="B912FE39FF8DFF82766DAAB5B99CFD27" box="[291,432,728,751]" italics="true" pageId="1" pageNumber="347">Notospermus</emphasis>
</taxonomicName>
having low support. The phylogenetic analysis by
<bibRefCitation id="EFF75FDAFF8DFF8274AFAABABCE1FD38" author="Kajihara, H. &amp; Ganaha, I. &amp; Kohtsuka, H." box="[993,1229,727,752]" pageId="1" pageNumber="347" pagination="62 - 80" refId="ref2231" refString="Kajihara, H., Ganaha, I. &amp; Kohtsuka, H. (2022) Lineid heteronemerteans (Nemertea: Pilidiophora) from Sagami Bay, Japan, with some proposals for the family-level classification system. Zoological Science, 39, 62 - 80. https: // doi. org / 10.2108 / zs 210059" type="journal article" year="2022">
Kajihara
<emphasis id="B912FE39FF8DFF82730BAAB5BC51FD27" box="[1093,1149,727,751]" italics="true" pageId="1" pageNumber="347">et al.</emphasis>
(2022)
</bibRefCitation>
provided a similar pattern. The phylogenetic analysis by
<bibRefCitation id="EFF75FDAFF8DFF827576AA96BB9DFCDC" author="Chernyshev, A. V. &amp; Polyakova, N. E." box="[568,945,763,788]" pageId="1" pageNumber="347" refId="ref1784" refString="Chernyshev, A. V. &amp; Polyakova, N. E. (2023) Distribution and phylogenetic position of the Antarctic ribbon worm Heteronemertes longifissa (Nemertea, Pilidiophora). Water, 15 (4), 809. https: // doi. org / 10.3390 / w 15040809" type="journal volume" year="2023">Chernyshev and Polyakova (2023)</bibRefCitation>
showed a high support of the clade
<taxonomicName id="4C6659A8FF8DFF82720DAA91B93FFCFF" baseAuthorityName="Hubrecht" baseAuthorityYear="1879" class="Pilidiophora" family="Lineidae" genus="Micrura" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="species" species="dellechiajei">
<emphasis id="B912FE39FF8DFF82720DAA91B93FFCFF" italics="true" pageId="1" pageNumber="347">Micrura dellechiajei</emphasis>
</taxonomicName>
+
<taxonomicName id="4C6659A8FF8DFF82766DAB4DB99CFCFF" authorityName="Huschke" authorityYear="1829" box="[291,432,800,823]" class="Pilidiophora" family="Lineidae" genus="Notospermus" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="genus">
<emphasis id="B912FE39FF8DFF82766DAB4DB99CFCFF" box="[291,432,800,823]" italics="true" pageId="1" pageNumber="347">Notospermus</emphasis>
</taxonomicName>
.
<taxonomicName id="4C6659A8FF8DFF8276F0AB4DBAB7FCFF" baseAuthorityName="Hubrecht" baseAuthorityYear="1879" box="[446,667,799,823]" class="Pilidiophora" family="Lineidae" genus="Micrura" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="species" species="dellechiajei">
<emphasis id="B912FE39FF8DFF8276F0AB4DBAB7FCFF" box="[446,667,799,823]" italics="true" pageId="1" pageNumber="347">Micrura dellechiajei</emphasis>
</taxonomicName>
differs from species of the genus
<taxonomicName id="4C6659A8FF8DFF827343AB4DBCB6FCFF" authorityName="Huschke" authorityYear="1829" box="[1037,1178,800,823]" class="Pilidiophora" family="Lineidae" genus="Notospermus" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="genus">
<emphasis id="B912FE39FF8DFF827343AB4DBCB6FCFF" box="[1037,1178,800,823]" italics="true" pageId="1" pageNumber="347">Notospermus</emphasis>
</taxonomicName>
by the lack of the thick connective-tissue layer between the cutis and the outer longitudinal musculature of the body wall and by the presence of the frontal organs and caudal cirrus. According to
<bibRefCitation id="EFF75FDAFF8DFF8275FAAB0ABBD3FCB7" author="Herrera-Bachiller, A. &amp; Kvist, S. &amp; Giribet, G. &amp; Junoy, J." box="[692,1023,871,895]" pageId="1" pageNumber="347" pagination="1091 - 1100" refId="ref1976" refString="Herrera-Bachiller, A., Kvist, S., Giribet, G. &amp; Junoy, J. (2015) Redescription of Micrura dellechiajei (Hubrecht, 1879) (Nemertea, Pilidiophora, Lineidae), a rare Mediterranean species. Journal of the Marine Biological Association of the United Kingdom, 95, 1091 - 1100. https: // doi. org / 10.1017 / S 0025315415000090" type="journal article" year="2015">
Herrera-Bachiller
<emphasis id="B912FE39FF8DFF827439AB05BB82FCB7" box="[887,942,871,895]" italics="true" pageId="1" pageNumber="347">et al.</emphasis>
(2015)
</bibRefCitation>
, the proboscis of
<taxonomicName id="4C6659A8FF8DFF8273F3AB05BD72FCB7" baseAuthorityName="Hubrecht" baseAuthorityYear="1879" box="[1213,1374,871,895]" class="Pilidiophora" family="Lineidae" genus="Micrura" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="species" species="dellechiajei">
<emphasis id="B912FE39FF8DFF8273F3AB05BD72FCB7" box="[1213,1374,871,895]" italics="true" pageId="1" pageNumber="347">M. dellechiajei</emphasis>
</taxonomicName>
lacks outer longitudinal musculature, whereas in the
<taxonomicName id="4C6659A8FF8DFF8275C3ABE1BB5CFC6B" box="[653,880,907,931]" pageId="1" pageNumber="347">
<emphasis id="B912FE39FF8DFF8275C3ABE1BB36FC6B" box="[653,794,908,931]" italics="true" pageId="1" pageNumber="347">Notospermus</emphasis>
species
</taxonomicName>
, this musculature is present.
</paragraph>
</subSubSection>
<subSubSection id="C37C71A0FF8DFF827789ABDDBA86FC23" pageId="1" pageNumber="347" type="etymology">
<paragraph id="8BD9222BFF8DFF827789ABDDBA86FC23" blockId="1.[151,1437,293,1003]" pageId="1" pageNumber="347">
<emphasis id="B912FE39FF8DFF827789ABDDB964FC00" bold="true" box="[199,328,944,968]" inLineHeading="true" pageId="1" pageNumber="347" reason="1">Etymology.</emphasis>
The new generic name is feminine in gender, formed by adding the Latin prefix
<emphasis id="B912FE39FF8DFF8273A4ABDDBD08FC0F" box="[1258,1316,944,967]" italics="true" pageId="1" pageNumber="347">quasi</emphasis>
- (meaning “seemingly”, “resembling”) to the name
<taxonomicName id="4C6659A8FF8DFF827505ABB9BA88FC23" authorityName="Ehrenberg" authorityYear="1828" box="[587,676,980,1003]" class="Pilidiophora" family="Lineidae" genus="Micrura" kingdom="Animalia" order="Heteronemertea" pageId="1" pageNumber="347" phylum="Nemertea" rank="genus">
<emphasis id="B912FE39FF8DFF827505ABB9BA88FC23" box="[587,676,980,1003]" italics="true" pageId="1" pageNumber="347">Micrura</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
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