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<document id="D685C53AE1970036BC39BEC1D4AA8D9D" ID-DOI="10.5252/zoosystema2024v46a21" ID-ISSN="1638-9387" ID-Zenodo-Dep="13744725" ID-ZooBank="C0248862-CBE2-4468-8494-93AD1580A542" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch,operationResults" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1726044193641" checkinUser="plazi" docAuthor="Cobo, M. Carmen, Farris, William J. &amp; Kocot, Kevin M." docDate="2024" docId="466087B7FFB8210B25F968D7EBC9FAD5" docLanguage="en" docName="zoosystema.2024.46.21.pdf" docOrigin="Zoosystema 46 (21)" docSource="https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/zoosystema2024v46a21.pdf" docStyle="DocumentStyle:5CC576F744449C1860B4E72ABD884631.9:Zoosystema.2020-.journal_article.type1" docStyleId="5CC576F744449C1860B4E72ABD884631" docStyleName="Zoosystema.2020-.journal_article.type1" docStyleVersion="8" docTitle="Eleutheromenia sierra" docType="treatment" docVersion="2" lastPageNumber="568" masterDocId="BA59FFCFFFA1211025036D45EE63FFB8" masterDocTitle="New data on the biodiversity of Solenogastres (Mollusca, Aplacophora) in the Mediterranean Sea: findings from the program “ Our Planet Reviewed ” Corsica 2019 - 2022" masterLastPageNumber="576" masterPageNumber="543" pageNumber="566" updateTime="1726071876898" updateUser="felipe" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="8124C71DD0BD8366F29BD60E72DC0BF0">New data on the biodiversity of Solenogastres (Mollusca, Aplacophora) in the Mediterranean Sea: findings from the program “ Our Planet Reviewed ” Corsica 2019 - 2022</mods:title>
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<mods:namePart id="047E513B653C8F15F14E10AD94EA4946">Cobo, M. Carmen</mods:namePart>
<mods:affiliation id="A80375B2425B7780C151A379D65E89F3">Department of Biological Sciences, University of Alabama, Tuscaloosa, AL 35487 Alabama (United States) and Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, 1000 Madison Drive NW Washington, D. C. 20560 (United States)</mods:affiliation>
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<heading id="953E81CDFFB8210925F968D7ECF2FA15" box="[250,657,1426,1453]" centered="true" fontSize="11" level="2" pageId="25" pageNumber="566" reason="2">
<taxonomicName id="09C94D22FFB8210925F968D7ECF2FA15" ID-CoL="399VQ" authority="(Pruvot, 1890)" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[250,657,1426,1453]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFB8210925F968D7EF89FA15" bold="true" box="[250,490,1426,1453]" italics="true" pageId="25" pageNumber="566">Eleutheromenia sierra</emphasis>
(
<bibRefCitation id="AA584B50FFB8210924FB68D6ECEAFA15" author="PRUVOT G." box="[504,649,1427,1453]" pageId="25" pageNumber="566" refId="ref23905" refString="PRUVOT G. 1890. - Sur quelques Neomeniees nouvelles de la Mediterranee. Archives de Zoologie experimentale et general e (2) 8: notes, xxi-xxiv. https: // www. biodiversitylibrary. org / page / 5645969" type="journal volume" year="1890">Pruvot, 1890</bibRefCitation>
)
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<taxonomicName id="09C94D22FFB8210925876888EFC9FA5C" ID-CoL="4D32D" authority="Pruvot, 1890" authorityName="Pruvot" authorityYear="1890" box="[132,426,1484,1508]" class="Solenogastres" family="Pruvotinidae" genus="Paramenia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFB8210925876888EF41FA5C" box="[132,290,1485,1508]" italics="true" pageId="25" pageNumber="566">Paramenia sierra</emphasis>
<bibRefCitation id="AA584B50FFB82109242B6889EFC9FA5C" author="PRUVOT G." box="[296,426,1484,1508]" pageId="25" pageNumber="566" refId="ref23905" refString="PRUVOT G. 1890. - Sur quelques Neomeniees nouvelles de la Mediterranee. Archives de Zoologie experimentale et general e (2) 8: notes, xxi-xxiv. https: // www. biodiversitylibrary. org / page / 5645969" type="journal volume" year="1890">Pruvot, 1890</bibRefCitation>
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: XIII.
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<paragraph id="CE7636A1FFB82109258768B9EC08F9AC" blockId="25.[132,619,1532,1556]" box="[132,619,1532,1556]" pageId="25" pageNumber="566">
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<taxonomicName id="09C94D22FFB82109258768B9EF2CF9AB" ID-CoL="399VQ" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[132,335,1532,1556]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="sierra">Eleutheromenia sierra</taxonomicName>
</emphasis>
<treatmentCitation id="4F6810B0FFB82109246A68B9EC04F9AC" author="SALVINI-PLAWEN L." box="[361,615,1532,1556]" page="398" pageId="25" pageNumber="566" year="1967">
<bibRefCitation id="AA584B50FFB82109246A68B9EC04F9AC" author="SALVINI-PLAWEN L." box="[361,615,1532,1556]" pageId="25" pageNumber="566" pagination="398 - 444" refId="ref24065" refString="SALVINI-PLAWEN L. 1967. - Kritische Bemerkungen zum System der Solenogastres (Mollusca, Aculifera). Zeitschrift fur zoologische Systematik und Evolutionsforschung 5 (4): 398 - 444." type="journal article" year="1967">Salvini-Plawen 1967: 398</bibRefCitation>
</treatmentCitation>
.
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</paragraph>
<paragraph id="CE7636A1FFB8210925876B6EED64F9FB" blockId="25.[132,775,1579,1677]" box="[132,775,1579,1607]" pageId="25" pageNumber="566">
<treatmentCitationGroup id="EED9118FFFB8210925876B6EED64F9FB" box="[132,775,1579,1607]" pageId="25" pageNumber="566">
<treatmentCitation id="4F6810B0FFB8210925876B6EECA3F9FB" author="SALVINI-PLAWEN L. &amp; OZTURK B." box="[132,704,1579,1607]" page="220" pageId="25" pageNumber="566" year="2006">
<taxonomicName id="09C94D22FFB8210925876B6EECA3F9FB" ID-CoL="399VN" authority="Salvini-Plawen &amp; Ozturk, 2006: 220" authorityName="Salvini-Plawen &amp; Ozturk" authorityPageNumber="220" authorityYear="2006" box="[132,704,1579,1607]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="carinata" status="syn. nov.">
<emphasis id="FCBDEAB3FFB8210925876B6EEF02F9FB" box="[132,353,1579,1603]" italics="true" pageId="25" pageNumber="566">Eleutheromenia carinata</emphasis>
<bibRefCitation id="AA584B50FFB8210924656B6EECA3F9FB" author="SALVINI-PLAWEN L. &amp; OZTURK B." box="[358,704,1579,1607]" pageId="25" pageNumber="566" pagination="217 - 224" refId="ref24451" refString="SALVINI-PLAWEN L. &amp; OZTURK B. 2006. - New records of Caudofoveata (Falcidens gutturosus, Prochaetoderma raduliferum) and of Solenogastres (Eleutheromenia carinata, spec. nov.) from the eastern Mediterranean Sea (Mollusca). Spixiana 29 (3): 217 - 224. https: // biostor. org / reference / 85575" type="journal article" year="2006">Salvini-Plawen &amp; Öztürk, 2006: 220</bibRefCitation>
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,
<emphasis id="FCBDEAB3FFB8210927CB6B6EED64F9FB" bold="true" box="[712,775,1579,1603]" pageId="25" pageNumber="566">
<taxonomicNameLabel id="E78E57C8FFB8210927CB6B6EED64F9FB" box="[712,775,1579,1603]" pageId="25" pageNumber="566">n. syn.</taxonomicNameLabel>
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<treatmentCitationGroup id="EED9118FFFB8210925876B1EEE9AF935" pageId="25" pageNumber="566">
<treatmentCitation id="4F6810B0FFB8210925876B1EEECFF935" author="ZAMARRO M. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." page="435" pageId="25" pageNumber="566" year="2013">
<taxonomicName id="09C94D22FFB8210925876B1EEECFF935" ID-CoL="3FTT3" authority="Zamarro, Garcia-Alvarez &amp; Urgorri, 2013: 435" authorityName="Zamarro, Garcia-Alvarez &amp; Urgorri" authorityPageNumber="435" authorityYear="2013" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="impar" status="syn. nov.">
<emphasis id="FCBDEAB3FFB8210925876B1EEF33F9CB" box="[132,336,1627,1651]" italics="true" pageId="25" pageNumber="566">Gephyroherpia impar</emphasis>
<bibRefCitation id="AA584B50FFB82109245B6B1EEECFF935" author="ZAMARRO M. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." pageId="25" pageNumber="566" pagination="423 - 443" refId="ref25142" refString="ZAMARRO M., GARCIA-ALVAREZ O. &amp; URGORRI V. 2013. - Three new species of Pruvotinidae (Mollusca: Solenogastres) from Antarctica and NW Spain. Helgoland Marine Research 67 (3): 423 - 443. https: // doi. org / 10.1007 / s 10152 - 012 - 0333 - 0" type="journal article" year="2013">Zamarro, García-Álvarez &amp; Urgorri, 2013: 435</bibRefCitation>
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,
<emphasis id="FCBDEAB3FFB8210925B46B30EE9AF935" bold="true" box="[183,249,1653,1677]" pageId="25" pageNumber="566">
<taxonomicNameLabel id="E78E57C8FFB8210925B46B30EE9AF935" box="[183,249,1653,1677]" pageId="25" pageNumber="566">n. syn.</taxonomicNameLabel>
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. —
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<collectingCountry id="B6DE7631FFB8210924836BE3EFA8F906" box="[384,459,1702,1726]" name="France" pageId="25" pageNumber="566">Corsica</collectingCountry>
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(France) •
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(used for sclerite preparations, histology, and DNA extraction); CORSICABENTHOS 2 (
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);
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depth
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; MNHN-IM-2019-1749; GenBank: OR456216; OR458913 (1 microscope slide with sclerites, 1
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stub; 15 slides with 5 µm serial sections)
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.
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White animal, elongate body (12 ×
<quantity id="09319B44FFB8210927206A34ECCDF833" box="[547,686,1905,1932]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" metricValueMax="2.5" metricValueMin="1.5" pageId="25" pageNumber="566" unit="mm" value="2.0" valueMax="2.5" valueMin="1.5">1.5-2.5 mm</quantity>
) with a median discontinuous serrated keel, with at least 17 lobes (
<figureCitation id="56F22A24FFB82109258D6AF4EE80F873" box="[142,227,1969,1995]" captionStart="FIG" captionStartId="14.[134,145,1916,1934]" captionTargetBox="[132,1455,215,1872]" captionTargetId="figure-23@14.[698,1268,770,1329]" captionTargetPageId="14" captionText="FIG. 4. — Habitus of A, Tegulaherpia cf. myodoryata (photo of the living animal MNHN-IM-2019-16176); A, Tegulaherpia cf. myodoryata (photo of the preserved specimen MNHN-IM-2019-16176); B, Eleutheromenia sierra (Pruvot, 1890) (photo of the preserved specimen MNHN-IM-2019-1749); C, Pruvotia cf. sopita (photo of the preserved specimen MNHN-IM-2019-1744 on Sertularella sp.); D, Unciherpia hirsuta García-Alvarez, Urgorri &amp; Salvini-Plawen, 2001 (photo of the living animal MNHN-IM-2019-18279); E, Simrothiella margaritacea (Koren &amp; Danielssen,1877) (photo of the preserved specimen MNHN-IM-2019-18280). Scale bars 1 mm. Symbols: arrow, copulatory stylets; stars, anterior end of the animals." figureDoi="http://doi.org/10.5281/zenodo.13744733" httpUri="https://zenodo.org/record/13744733/files/figure.png" pageId="25" pageNumber="566">Fig. 4B</figureCitation>
;
<figureCitation id="56F22A24FFB8210925F36AF4EF70F873" box="[240,275,1969,1995]" captionStart="FIG" captionStartId="22.[132,143,1574,1592]" captionTargetBox="[132,1456,215,1528]" captionTargetId="figure-211@22.[510,1174,776,1247]" captionTargetPageId="22" captionText="FIG. 9. — Sclerites of A-E, Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, light microscopy image of the cuticle (the dorsal keel); B, general view of the sclerites in the dorsal region of the body; C, closer view of the hook-shaped sclerites and acicular sclerites in the dorsal region of the body (arrow, thin sclerites; star: longer and thicker sclerites); D, detail of the hook-shaped sclerites; E, acicular sclerites in the ventral region of the body; F-I, Unciherpia hirsuta (MNHN-IM-2019-18279): F, hook-shaped and harpoon-shaped sclerites (star, harpoon-shaped sclerites); G, acicular sclerites in the ventral region of the body; H, I, hook-shaped sclerites. Scale bars: A, 200 µm, B-I, 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13744743" httpUri="https://zenodo.org/record/13744743/files/figure.png" pageId="25" pageNumber="566">9A</figureCitation>
). Hollow sclerites somewhat protruding from the cuticle. With
<specimenCount id="D8CFFD28FFB8210924436A97EFF8F854" box="[320,411,2002,2028]" count="1" pageId="25" pageNumber="566" type="generic" typeStatus="type">one type</specimenCount>
of hook-shaped sclerite (80-120 × 8 µm; the inner part of the hook is 30 µm long) (
<figureCitation id="56F22A24FFB8210920566D92ED06FEA9" captionStart="FIG" captionStartId="22.[132,143,1574,1592]" captionTargetBox="[132,1456,215,1528]" captionTargetId="figure-211@22.[510,1174,776,1247]" captionTargetPageId="22" captionText="FIG. 9. — Sclerites of A-E, Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, light microscopy image of the cuticle (the dorsal keel); B, general view of the sclerites in the dorsal region of the body; C, closer view of the hook-shaped sclerites and acicular sclerites in the dorsal region of the body (arrow, thin sclerites; star: longer and thicker sclerites); D, detail of the hook-shaped sclerites; E, acicular sclerites in the ventral region of the body; F-I, Unciherpia hirsuta (MNHN-IM-2019-18279): F, hook-shaped and harpoon-shaped sclerites (star, harpoon-shaped sclerites); G, acicular sclerites in the ventral region of the body; H, I, hook-shaped sclerites. Scale bars: A, 200 µm, B-I, 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13744743" httpUri="https://zenodo.org/record/13744743/files/figure.png" pageId="25" pageNumber="566">Fig. 9B, C, D</figureCitation>
) and acicular sclerites of different sizes: big and slightly curved sclerites (160-180 × 8 µm) (
<figureCitation id="56F22A24FFB8210921C16C52EB79FE89" box="[1218,1306,279,305]" captionStart="FIG" captionStartId="22.[132,143,1574,1592]" captionTargetBox="[132,1456,215,1528]" captionTargetId="figure-211@22.[510,1174,776,1247]" captionTargetPageId="22" captionText="FIG. 9. — Sclerites of A-E, Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, light microscopy image of the cuticle (the dorsal keel); B, general view of the sclerites in the dorsal region of the body; C, closer view of the hook-shaped sclerites and acicular sclerites in the dorsal region of the body (arrow, thin sclerites; star: longer and thicker sclerites); D, detail of the hook-shaped sclerites; E, acicular sclerites in the ventral region of the body; F-I, Unciherpia hirsuta (MNHN-IM-2019-18279): F, hook-shaped and harpoon-shaped sclerites (star, harpoon-shaped sclerites); G, acicular sclerites in the ventral region of the body; H, I, hook-shaped sclerites. Scale bars: A, 200 µm, B-I, 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13744743" httpUri="https://zenodo.org/record/13744743/files/figure.png" pageId="25" pageNumber="566">Fig. 9B</figureCitation>
); curved and thin sclerites (80-100 × 3-4 µm); straight and long acicular sclerites (190-210 × 6-7 µm), the latter mostly located in the ventral region of the body (
<figureCitation id="56F22A24FFB82109215A6C32EACEFE29" box="[1113,1197,375,401]" captionStart="FIG" captionStartId="22.[132,143,1574,1592]" captionTargetBox="[132,1456,215,1528]" captionTargetId="figure-211@22.[510,1174,776,1247]" captionTargetPageId="22" captionText="FIG. 9. — Sclerites of A-E, Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, light microscopy image of the cuticle (the dorsal keel); B, general view of the sclerites in the dorsal region of the body; C, closer view of the hook-shaped sclerites and acicular sclerites in the dorsal region of the body (arrow, thin sclerites; star: longer and thicker sclerites); D, detail of the hook-shaped sclerites; E, acicular sclerites in the ventral region of the body; F-I, Unciherpia hirsuta (MNHN-IM-2019-18279): F, hook-shaped and harpoon-shaped sclerites (star, harpoon-shaped sclerites); G, acicular sclerites in the ventral region of the body; H, I, hook-shaped sclerites. Scale bars: A, 200 µm, B-I, 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13744743" httpUri="https://zenodo.org/record/13744743/files/figure.png" pageId="25" pageNumber="566">Fig. 9E</figureCitation>
). Hook-shaped sclerites in the ventral region of the body. Hook-shaped sclerites occupying the sides of the dorsal lobes, with some thin acicular sclerites among them. Bigger curved acicular sclerites at the apical regions of the lobes (
<figureCitation id="56F22A24FFB8210921446CB3EAFAFDA8" box="[1095,1177,502,528]" captionStart="FIG" captionStartId="22.[132,143,1574,1592]" captionTargetBox="[132,1456,215,1528]" captionTargetId="figure-211@22.[510,1174,776,1247]" captionTargetPageId="22" captionText="FIG. 9. — Sclerites of A-E, Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, light microscopy image of the cuticle (the dorsal keel); B, general view of the sclerites in the dorsal region of the body; C, closer view of the hook-shaped sclerites and acicular sclerites in the dorsal region of the body (arrow, thin sclerites; star: longer and thicker sclerites); D, detail of the hook-shaped sclerites; E, acicular sclerites in the ventral region of the body; F-I, Unciherpia hirsuta (MNHN-IM-2019-18279): F, hook-shaped and harpoon-shaped sclerites (star, harpoon-shaped sclerites); G, acicular sclerites in the ventral region of the body; H, I, hook-shaped sclerites. Scale bars: A, 200 µm, B-I, 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13744743" httpUri="https://zenodo.org/record/13744743/files/figure.png" pageId="25" pageNumber="566">Fig. 9A</figureCitation>
). With knife-shaped scales of the pedal groove (80 × 25 µm). Atrium with single and paired atrial papillae (
<figureCitation id="56F22A24FFB8210921186F73EA1DFDE8" box="[1051,1150,566,592]" captionStart="FIG" captionStartId="28.[131,142,1548,1566]" captionTargetBox="[162,1429,222,1489]" captionTargetId="figure-204@28.[698,1267,766,1320]" captionTargetPageId="28" captionText="FIG. 13. — Histological sections of the anterior region of Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, atrial cavity; B, region between the atrial opening and the mouth, without ventral cuticle; C, opening of the mouth; D, radular region of the foregut;D, detail of the radula; E, paired region of the spawning duct; E, detail of the seminal vesicles; F, fused region of the spawning duct.; G, opening of the mantle cavity with respiratory folds. Abbreviations: see Material and methods. Symbol: Arrows indicate the outlet of the abdominal spicules Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.13744751" httpUri="https://zenodo.org/record/13744751/files/figure.png" pageId="25" pageNumber="566">Fig. 13A</figureCitation>
), divided into three parts in its posterior region. Mouth and atrium separated by a muscular wall without cuticle (
<figureCitation id="56F22A24FFB8210921316F33EAF7FD28" box="[1074,1172,630,656]" captionStart="FIG" captionStartId="28.[131,142,1548,1566]" captionTargetBox="[162,1429,222,1489]" captionTargetId="figure-204@28.[698,1267,766,1320]" captionTargetPageId="28" captionText="FIG. 13. — Histological sections of the anterior region of Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, atrial cavity; B, region between the atrial opening and the mouth, without ventral cuticle; C, opening of the mouth; D, radular region of the foregut;D, detail of the radula; E, paired region of the spawning duct; E, detail of the seminal vesicles; F, fused region of the spawning duct.; G, opening of the mantle cavity with respiratory folds. Abbreviations: see Material and methods. Symbol: Arrows indicate the outlet of the abdominal spicules Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.13744751" httpUri="https://zenodo.org/record/13744751/files/figure.png" pageId="25" pageNumber="566">Fig. 13B</figureCitation>
). With a single pedal fold. Ventrolateral foregut glands of
<typeStatus id="11728803FFB8210921876FD3EAD1FD08" box="[1156,1202,662,688]" pageId="25" pageNumber="566">type</typeStatus>
A /
<taxonomicName id="09C94D22FFB8210921EB6FD3EB1BFD08" authorityName="Simroth" authorityYear="1893" box="[1256,1400,662,688]" class="Solenogastres" family="Pruvotinidae" genus="Pararrhopalia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="genus">
<emphasis id="FCBDEAB3FFB8210921EB6FD3EB1BFD08" box="[1256,1400,662,688]" italics="true" pageId="25" pageNumber="566">Pararrhopalia</emphasis>
</taxonomicName>
<typeStatus id="11728803FFB8210920826FD3EBCCFD08" box="[1409,1455,662,688]" pageId="25" pageNumber="566">type</typeStatus>
(
<figureCitation id="56F22A24FFB8210926376FF0EDFBFD68" box="[820,920,693,720]" captionStart="FIG" captionStartId="28.[131,142,1548,1566]" captionTargetBox="[162,1429,222,1489]" captionTargetId="figure-204@28.[698,1267,766,1320]" captionTargetPageId="28" captionText="FIG. 13. — Histological sections of the anterior region of Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, atrial cavity; B, region between the atrial opening and the mouth, without ventral cuticle; C, opening of the mouth; D, radular region of the foregut;D, detail of the radula; E, paired region of the spawning duct; E, detail of the seminal vesicles; F, fused region of the spawning duct.; G, opening of the mantle cavity with respiratory folds. Abbreviations: see Material and methods. Symbol: Arrows indicate the outlet of the abdominal spicules Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.13744751" httpUri="https://zenodo.org/record/13744751/files/figure.png" pageId="25" pageNumber="566">Fig. 13D</figureCitation>
). With a distichous radula formed by hook-shaped teeth without medial denticles (
<figureCitation id="56F22A24FFB8210921756F90EABBFD48" box="[1142,1240,725,752]" captionStart="FIG" captionStartId="28.[131,142,1548,1566]" captionTargetBox="[162,1429,222,1489]" captionTargetId="figure-204@28.[698,1267,766,1320]" captionTargetPageId="28" captionText="FIG. 13. — Histological sections of the anterior region of Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, atrial cavity; B, region between the atrial opening and the mouth, without ventral cuticle; C, opening of the mouth; D, radular region of the foregut;D, detail of the radula; E, paired region of the spawning duct; E, detail of the seminal vesicles; F, fused region of the spawning duct.; G, opening of the mantle cavity with respiratory folds. Abbreviations: see Material and methods. Symbol: Arrows indicate the outlet of the abdominal spicules Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.13744751" httpUri="https://zenodo.org/record/13744751/files/figure.png" pageId="25" pageNumber="566">Fig. 13D</figureCitation>
, D). Very glandular esophagus. Midgut with an antero-dorsal caecum (
<figureCitation id="56F22A24FFB8210920406FB0EBC6FCB7" box="[1347,1445,757,783]" captionStart="FIG" captionStartId="28.[131,142,1548,1566]" captionTargetBox="[162,1429,222,1489]" captionTargetId="figure-204@28.[698,1267,766,1320]" captionTargetPageId="28" captionText="FIG. 13. — Histological sections of the anterior region of Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, atrial cavity; B, region between the atrial opening and the mouth, without ventral cuticle; C, opening of the mouth; D, radular region of the foregut;D, detail of the radula; E, paired region of the spawning duct; E, detail of the seminal vesicles; F, fused region of the spawning duct.; G, opening of the mantle cavity with respiratory folds. Abbreviations: see Material and methods. Symbol: Arrows indicate the outlet of the abdominal spicules Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.13744751" httpUri="https://zenodo.org/record/13744751/files/figure.png" pageId="25" pageNumber="566">Fig. 13D</figureCitation>
) and lateral constrictions. With respiratory folds (
<figureCitation id="56F22A24FFB82109203E6E50EBC0FC97" box="[1341,1443,789,815]" captionStart="FIG" captionStartId="28.[131,142,1548,1566]" captionTargetBox="[162,1429,222,1489]" captionTargetId="figure-204@28.[698,1267,766,1320]" captionTargetPageId="28" captionText="FIG. 13. — Histological sections of the anterior region of Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, atrial cavity; B, region between the atrial opening and the mouth, without ventral cuticle; C, opening of the mouth; D, radular region of the foregut;D, detail of the radula; E, paired region of the spawning duct; E, detail of the seminal vesicles; F, fused region of the spawning duct.; G, opening of the mantle cavity with respiratory folds. Abbreviations: see Material and methods. Symbol: Arrows indicate the outlet of the abdominal spicules Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.13744751" httpUri="https://zenodo.org/record/13744751/files/figure.png" pageId="25" pageNumber="566">Fig. 13G</figureCitation>
). With seminal vesicles (
<figureCitation id="56F22A24FFB82109211A6E70EA16FCF7" box="[1049,1141,821,847]" captionStart="FIG" captionStartId="28.[131,142,1548,1566]" captionTargetBox="[162,1429,222,1489]" captionTargetId="figure-204@28.[698,1267,766,1320]" captionTargetPageId="28" captionText="FIG. 13. — Histological sections of the anterior region of Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, atrial cavity; B, region between the atrial opening and the mouth, without ventral cuticle; C, opening of the mouth; D, radular region of the foregut;D, detail of the radula; E, paired region of the spawning duct; E, detail of the seminal vesicles; F, fused region of the spawning duct.; G, opening of the mantle cavity with respiratory folds. Abbreviations: see Material and methods. Symbol: Arrows indicate the outlet of the abdominal spicules Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.13744751" httpUri="https://zenodo.org/record/13744751/files/figure.png" pageId="25" pageNumber="566">Fig. 13E</figureCitation>
, E). With abdominal spicules in a pair of ventral pouches of the mantle cavity (
<figureCitation id="56F22A24FFB82109203F6E10EBF8FCD7" box="[1340,1435,853,879]" captionStart="FIG" captionStartId="28.[131,142,1548,1566]" captionTargetBox="[162,1429,222,1489]" captionTargetId="figure-204@28.[698,1267,766,1320]" captionTargetPageId="28" captionText="FIG. 13. — Histological sections of the anterior region of Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, atrial cavity; B, region between the atrial opening and the mouth, without ventral cuticle; C, opening of the mouth; D, radular region of the foregut;D, detail of the radula; E, paired region of the spawning duct; E, detail of the seminal vesicles; F, fused region of the spawning duct.; G, opening of the mantle cavity with respiratory folds. Abbreviations: see Material and methods. Symbol: Arrows indicate the outlet of the abdominal spicules Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.13744751" httpUri="https://zenodo.org/record/13744751/files/figure.png" pageId="25" pageNumber="566">Fig. 13F</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="86D3652AFFB8210B262E6ED0EBC9FAD5" lastPageId="27" lastPageNumber="568" pageId="25" pageNumber="566" type="discussion">
<paragraph id="CE7636A1FFB82109262E6ED0EDF2FC15" blockId="25.[811,1457,917,2030]" box="[813,913,917,943]" pageId="25" pageNumber="566">
<smallCapsWord id="C890A07DFFB82109262E6ED0EDF2FC15" baselines="936,936" box="[813,913,917,943]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Remarks" pageId="25" pageNumber="566">REMARKS</smallCapsWord>
</paragraph>
<paragraph id="CE7636A1FFB82109262E6EF0EBF0FB56" blockId="25.[811,1457,917,2030]" pageId="25" pageNumber="566">
The specimen was placed in the subfamily
<taxonomicName id="09C94D22FFB8210921E66EF0EA6AFC57" authority="Salvini-Plawen, 1978" authorityName="Salvini-Plawen" authorityYear="1978" class="Solenogastres" family="Pruvotinidae" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="subFamily" subFamily="Eleutheromeniinae">
Eleutheromeniinae
<bibRefCitation id="AA584B50FFB8210926286E91EA6AFC57" author="SALVINI-PLAWEN L." box="[811,1033,980,1007]" pageId="25" pageNumber="566" pagination="1 - 315" refId="ref24148" refString="SALVINI-PLAWEN L. 1978. - Antarktische und Subantarktische Solenogastres-Eine Monographie: 1898 - 1974. Zoologica 128: 1 - 315." type="journal article" year="1978">Salvini-Plawen, 1978</bibRefCitation>
</taxonomicName>
based on its resemblance to three known species of the subfamily that also have a discontinuous serrated keel: both species of
<taxonomicName id="09C94D22FFB82109214A6951EA88FB96" authorityName="Salvini-Plawen" authorityYear="1967" box="[1097,1259,1044,1070]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="genus">
<emphasis id="FCBDEAB3FFB82109214A6951EA88FB96" box="[1097,1259,1044,1070]" italics="true" pageId="25" pageNumber="566">Eleutheromenia</emphasis>
</taxonomicName>
(
<taxonomicName id="09C94D22FFB8210921F96950ED0DFBF6" authority="(Pruvot, 1890)" baseAuthorityName="Pruvot" baseAuthorityYear="1890" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFB8210921F96950EB2CFB96" box="[1274,1359,1045,1070]" italics="true" pageId="25" pageNumber="566">E. sierra</emphasis>
(
<bibRefCitation id="AA584B50FFB82109205D6951ED05FBF6" author="PRUVOT G." pageId="25" pageNumber="566" refId="ref23905" refString="PRUVOT G. 1890. - Sur quelques Neomeniees nouvelles de la Mediterranee. Archives de Zoologie experimentale et general e (2) 8: notes, xxi-xxiv. https: // www. biodiversitylibrary. org / page / 5645969" type="journal volume" year="1890">Pruvot, 1890</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName id="09C94D22FFB8210926A76970EB1BFBF6" authority="Salvini-Plawen &amp; Ozturk, 2006" authorityName="Salvini-Plawen &amp; Ozturk" authorityYear="2006" box="[932,1400,1076,1106]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="FCBDEAB3FFB8210926A76970EA7BFBF6" box="[932,1048,1077,1102]" italics="true" pageId="25" pageNumber="566">E. carinata</emphasis>
<bibRefCitation id="AA584B50FFB82109211C6971EB1BFBF6" author="SALVINI-PLAWEN L. &amp; OZTURK B." box="[1055,1400,1076,1106]" pageId="25" pageNumber="566" pagination="217 - 224" refId="ref24451" refString="SALVINI-PLAWEN L. &amp; OZTURK B. 2006. - New records of Caudofoveata (Falcidens gutturosus, Prochaetoderma raduliferum) and of Solenogastres (Eleutheromenia carinata, spec. nov.) from the eastern Mediterranean Sea (Mollusca). Spixiana 29 (3): 217 - 224. https: // biostor. org / reference / 85575" type="journal article" year="2006">Salvini-Plawen &amp; Öztürk, 2006</bibRefCitation>
</taxonomicName>
) and
<taxonomicName id="09C94D22FFB82109262E6911ED08FB36" authority="Zamarro, Garcia-Alvarez &amp; Urgorri, 2013" authorityName="Zamarro, Garcia-Alvarez &amp; Urgorri" authorityYear="2013" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="impar">
<emphasis id="FCBDEAB3FFB82109262E6911EA73FBD6" box="[813,1040,1108,1134]" italics="true" pageId="25" pageNumber="566">Gephyroherpia impar</emphasis>
<bibRefCitation id="AA584B50FFB82109211A6910ED08FB36" author="ZAMARRO M. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." pageId="25" pageNumber="566" pagination="423 - 443" refId="ref25142" refString="ZAMARRO M., GARCIA-ALVAREZ O. &amp; URGORRI V. 2013. - Three new species of Pruvotinidae (Mollusca: Solenogastres) from Antarctica and NW Spain. Helgoland Marine Research 67 (3): 423 - 443. https: // doi. org / 10.1007 / s 10152 - 012 - 0333 - 0" type="journal article" year="2013">Zamarro, García-Álvarez &amp; Urgorri, 2013</bibRefCitation>
</taxonomicName>
. The classification within this subfamily is also justified by the presence of hook-shaped sclerites, ventrolateral foregut glands of
<typeStatus id="11728803FFB82109268D69F1EDD8FB76" box="[910,955,1204,1230]" pageId="25" pageNumber="566">type</typeStatus>
A and the absence of a dorso-pharyngeal papilla gland (
<bibRefCitation id="AA584B50FFB8210926756990EB78FB56" author="GARCIA-ALVAREZ O. &amp; SALVINI-PLAWEN L. V." box="[886,1307,1236,1265]" pageId="25" pageNumber="566" pagination="73 - 143" refId="ref22075" refString="GARCIA-ALVAREZ O. &amp; SALVINI-PLAWEN L. V. 2007. - Species and diagnosis of the families and genera of Solenogastres (Mollusca). Iberus 25 (2): 73 - 143." type="journal article" year="2007">García-Álvarez &amp; Salvini-Plawen 2007</bibRefCitation>
) (
<tableCitation id="834B031AFFB8210920326991EBE5FB56" box="[1329,1414,1236,1262]" captionStart="TABLE" captionStartId="11.[131,142,219,237]" captionTargetPageId="11" captionText="TABLE 4. — Main diagnostic characters of subfamilies and genera in the family Pruvotinidae (Table based on Pedrouzo et al. 2022). Symbols: +/-, presence/ absence of a character." pageId="25" pageNumber="566">Table 4</tableCitation>
).
</paragraph>
<paragraph id="CE7636A1FFB82109264069B6EB6BF894" blockId="25.[811,1457,917,2030]" pageId="25" pageNumber="566">
The specimen from
<collectingCountry id="B6DE7631FFB82109211669B6EA05FAB5" box="[1045,1126,1267,1293]" name="France" pageId="25" pageNumber="566">Corsica</collectingCountry>
has a keel with clearly differentiated lobes, at least 17, mostly in the anterior region of the body, that were more easily distinguishable when the animal was alive. The serial sections reveal a separation between the lobes as described by
<bibRefCitation id="AA584B50FFB82109210E6836EA9FFA35" author="SALVINI-PLAWEN L." box="[1037,1276,1395,1421]" pageId="25" pageNumber="566" pagination="37 - 60" refId="ref24331" refString="SALVINI-PLAWEN L. 2003. - Contributions to West-Mediterranean Solenogastres (Mollusca) with three new species. Iberus, DA Sociedad Espanola de Malacologia 21 (2): 37 - 60. https: // biostor. org / reference / 101923" type="journal article" year="2003">Salvini-Plawen (2003)</bibRefCitation>
for
<taxonomicName id="09C94D22FFB8210920256831EB1AFA35" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[1318,1401,1396,1421]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFB8210920256831EB1AFA35" box="[1318,1401,1396,1421]" italics="true" pageId="25" pageNumber="566">E. sierra</emphasis>
</taxonomicName>
. The keel of
<taxonomicName id="09C94D22FFB82109267E68D1EDB0FA15" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[893,979,1428,1453]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFB82109267E68D1EDB0FA15" box="[893,979,1428,1453]" italics="true" pageId="25" pageNumber="566">E. sierra</emphasis>
</taxonomicName>
has been reported to consist of between 15 and 16 lobes (
<bibRefCitation id="AA584B50FFB8210926C268F6EA2BFA75" author="PRUVOT G." box="[961,1096,1459,1485]" pageId="25" pageNumber="566" refId="ref23905" refString="PRUVOT G. 1890. - Sur quelques Neomeniees nouvelles de la Mediterranee. Archives de Zoologie experimentale et general e (2) 8: notes, xxi-xxiv. https: // www. biodiversitylibrary. org / page / 5645969" type="journal volume" year="1890">Pruvot 1890</bibRefCitation>
;
<bibRefCitation id="AA584B50FFB82109215768F6EB52FA75" author="SALVINI-PLAWEN L." box="[1108,1329,1459,1485]" pageId="25" pageNumber="566" pagination="37 - 60" refId="ref24331" refString="SALVINI-PLAWEN L. 2003. - Contributions to West-Mediterranean Solenogastres (Mollusca) with three new species. Iberus, DA Sociedad Espanola de Malacologia 21 (2): 37 - 60. https: // biostor. org / reference / 101923" type="journal article" year="2003">Salvini-Plawen 2003</bibRefCitation>
: fig. 11). In
<taxonomicName id="09C94D22FFB8210926286891EDFAFA55" authorityName="Salvini-Plawen &amp; Ozturk" authorityYear="2006" box="[811,921,1492,1517]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="FCBDEAB3FFB8210926286891EDFAFA55" box="[811,921,1492,1517]" italics="true" pageId="25" pageNumber="566">E. carinata</emphasis>
</taxonomicName>
the keel is continuous but the lobes “vary somewhat in height” (
<bibRefCitation id="AA584B50FFB8210926A368B6EA8BF9B5" author="SALVINI-PLAWEN L. &amp; OZTURK B." box="[928,1256,1523,1552]" pageId="25" pageNumber="566" pagination="217 - 224" refId="ref24451" refString="SALVINI-PLAWEN L. &amp; OZTURK B. 2006. - New records of Caudofoveata (Falcidens gutturosus, Prochaetoderma raduliferum) and of Solenogastres (Eleutheromenia carinata, spec. nov.) from the eastern Mediterranean Sea (Mollusca). Spixiana 29 (3): 217 - 224. https: // biostor. org / reference / 85575" type="journal article" year="2006">Salvini-Plawen &amp; Öztürk 2006</bibRefCitation>
: fig. 2). The keel in
<taxonomicName id="09C94D22FFB8210926286B56EDE8F994" authorityName="Zamarro, Garcia-Alvarez &amp; Urgorri" authorityYear="2013" box="[811,907,1555,1581]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="impar">
<emphasis id="FCBDEAB3FFB8210926286B56EDE8F994" box="[811,907,1555,1581]" italics="true" pageId="25" pageNumber="566">G. impar</emphasis>
</taxonomicName>
was described as “continuous that varies somewhat in its height along its course and shows, in the medial body region, 10 lobulations,” although in the image of the
<typeStatus id="11728803FFB8210920516B17EBCCF9D4" box="[1362,1455,1618,1644]" pageId="25" pageNumber="566" type="holotype">holotype</typeStatus>
at least 15 lobes can be distinguished (
<bibRefCitation id="AA584B50FFB8210921CE6B36EBCBF934" author="ZAMARRO M. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." box="[1229,1448,1650,1677]" pageId="25" pageNumber="566" pagination="423 - 443" refId="ref25142" refString="ZAMARRO M., GARCIA-ALVAREZ O. &amp; URGORRI V. 2013. - Three new species of Pruvotinidae (Mollusca: Solenogastres) from Antarctica and NW Spain. Helgoland Marine Research 67 (3): 423 - 443. https: // doi. org / 10.1007 / s 10152 - 012 - 0333 - 0" type="journal article" year="2013">
Zamarro
<emphasis id="FCBDEAB3FFB8210920366B36EB0AF934" box="[1333,1385,1650,1676]" italics="true" pageId="25" pageNumber="566">et al.</emphasis>
2013
</bibRefCitation>
: fig. 8). We observed that the lobes in the
<collectingCountry id="B6DE7631FFB8210921F16BD7EB20F914" box="[1266,1347,1682,1708]" name="France" pageId="25" pageNumber="566">Corsica</collectingCountry>
specimen are less evident after fixation and thus the external aspect can be compared with all three species mentioned here. The observed differences in the keel among the three species may be due to the preservation of the specimens.
</paragraph>
<paragraph id="CE7636A1FFB8210B26406A77ECFEFD28" blockId="25.[811,1457,917,2030]" lastBlockId="27.[130,777,215,2028]" lastPageId="27" lastPageNumber="568" pageId="25" pageNumber="566">
In the specimen from
<collectingCountry id="B6DE7631FFB82109212C6A74EAE0F8F3" box="[1071,1155,1841,1867]" name="France" pageId="25" pageNumber="566">Corsica</collectingCountry>
, we did not observe serrated sclerites, described for the
<taxonomicName id="09C94D22FFB82109214A6A14EB58F8D3" box="[1097,1339,1873,1899]" pageId="25" pageNumber="566">
<emphasis id="FCBDEAB3FFB82109214A6A14EA88F8D3" box="[1097,1259,1873,1899]" italics="true" pageId="25" pageNumber="566">Eleutheromenia</emphasis>
species
</taxonomicName>
but not in
<taxonomicName id="09C94D22FFB82109262E6A37EDEFF833" authorityName="Zamarro, Garcia-Alvarez &amp; Urgorri" authorityYear="2013" box="[813,908,1906,1932]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="impar">
<emphasis id="FCBDEAB3FFB82109262E6A37EDEFF833" box="[813,908,1906,1932]" italics="true" pageId="25" pageNumber="566">G. impar</emphasis>
</taxonomicName>
(
<bibRefCitation id="AA584B50FFB8210926986A37EA0DF833" author="ZAMARRO M. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." box="[923,1134,1905,1932]" pageId="25" pageNumber="566" pagination="423 - 443" refId="ref25142" refString="ZAMARRO M., GARCIA-ALVAREZ O. &amp; URGORRI V. 2013. - Three new species of Pruvotinidae (Mollusca: Solenogastres) from Antarctica and NW Spain. Helgoland Marine Research 67 (3): 423 - 443. https: // doi. org / 10.1007 / s 10152 - 012 - 0333 - 0" type="journal article" year="2013">
Zamarro
<emphasis id="FCBDEAB3FFB8210926FC6A37EA52F833" box="[1023,1073,1905,1931]" italics="true" pageId="25" pageNumber="566">et al.</emphasis>
2013
</bibRefCitation>
: fig. 8). We did find harpoon-shaped sclerites (
<figureCitation id="56F22A24FFB8210926E26AD4EA51F813" box="[993,1074,1937,1963]" captionStart="FIG" captionStartId="22.[132,143,1574,1592]" captionTargetBox="[132,1456,215,1528]" captionTargetId="figure-211@22.[510,1174,776,1247]" captionTargetPageId="22" captionText="FIG. 9. — Sclerites of A-E, Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, light microscopy image of the cuticle (the dorsal keel); B, general view of the sclerites in the dorsal region of the body; C, closer view of the hook-shaped sclerites and acicular sclerites in the dorsal region of the body (arrow, thin sclerites; star: longer and thicker sclerites); D, detail of the hook-shaped sclerites; E, acicular sclerites in the ventral region of the body; F-I, Unciherpia hirsuta (MNHN-IM-2019-18279): F, hook-shaped and harpoon-shaped sclerites (star, harpoon-shaped sclerites); G, acicular sclerites in the ventral region of the body; H, I, hook-shaped sclerites. Scale bars: A, 200 µm, B-I, 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13744743" httpUri="https://zenodo.org/record/13744743/files/figure.png" pageId="25" pageNumber="566">Fig. 9F</figureCitation>
), described for
<taxonomicName id="09C94D22FFB8210921DA6AD7EB2EF813" authorityName="Salvini-Plawen &amp; Ozturk" authorityYear="2006" box="[1241,1357,1938,1963]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="FCBDEAB3FFB8210921DA6AD7EB2EF813" box="[1241,1357,1938,1963]" italics="true" pageId="25" pageNumber="566">E. carinata</emphasis>
</taxonomicName>
(
<bibRefCitation id="AA584B50FFB82109205E6AD4EDDEF873" author="SALVINI-PLAWEN L." pageId="25" pageNumber="566" pagination="37 - 60" refId="ref24331" refString="SALVINI-PLAWEN L. 2003. - Contributions to West-Mediterranean Solenogastres (Mollusca) with three new species. Iberus, DA Sociedad Espanola de Malacologia 21 (2): 37 - 60. https: // biostor. org / reference / 101923" type="journal article" year="2003">Salvini-Plawen 2003</bibRefCitation>
; fig. 8b) but not
<taxonomicName id="09C94D22FFB8210921806AF7EAB8F873" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[1155,1243,1970,1995]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFB8210921806AF7EAB8F873" box="[1155,1243,1970,1995]" italics="true" pageId="25" pageNumber="566">E. sierra</emphasis>
</taxonomicName>
(
<bibRefCitation id="AA584B50FFB8210921ED6AF4EDD4F853" author="SALVINI-PLAWEN L. &amp; OZTURK B." pageId="25" pageNumber="566" pagination="217 - 224" refId="ref24451" refString="SALVINI-PLAWEN L. &amp; OZTURK B. 2006. - New records of Caudofoveata (Falcidens gutturosus, Prochaetoderma raduliferum) and of Solenogastres (Eleutheromenia carinata, spec. nov.) from the eastern Mediterranean Sea (Mollusca). Spixiana 29 (3): 217 - 224. https: // biostor. org / reference / 85575" type="journal article" year="2006">Salvini-Plawen &amp; Öztürk 2006</bibRefCitation>
: fig. 3) or
<taxonomicName id="09C94D22FFB8210921216A94EAE3F853" authorityName="Zamarro, Garcia-Alvarez &amp; Urgorri" authorityYear="2013" box="[1058,1152,2001,2027]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="25" pageNumber="566" phylum="Mollusca" rank="species" species="impar">
<emphasis id="FCBDEAB3FFB8210921216A94EAE3F853" box="[1058,1152,2001,2027]" italics="true" pageId="25" pageNumber="566">G. impar</emphasis>
</taxonomicName>
(
<bibRefCitation id="AA584B50FFB82109218D6A97EB3CF853" author="ZAMARRO M. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." box="[1166,1375,2001,2028]" pageId="25" pageNumber="566" pagination="423 - 443" refId="ref25142" refString="ZAMARRO M., GARCIA-ALVAREZ O. &amp; URGORRI V. 2013. - Three new species of Pruvotinidae (Mollusca: Solenogastres) from Antarctica and NW Spain. Helgoland Marine Research 67 (3): 423 - 443. https: // doi. org / 10.1007 / s 10152 - 012 - 0333 - 0" type="journal article" year="2013">
Zamarro
<emphasis id="FCBDEAB3FFB8210921F26A97EB41F853" box="[1265,1314,2001,2027]" italics="true" pageId="25" pageNumber="566">et al.</emphasis>
2013
</bibRefCitation>
: fig. 8). The lack of observation of a specific
<typeStatus id="11728803FFBA210B270A6D9DEC54FF4A" box="[521,567,216,242]" pageId="27" pageNumber="568">type</typeStatus>
of sclerites, such as the serrated acicular sclerites, may be because SEM images or sclerite preparations were obtained from a region of the body where that
<typeStatus id="11728803FFBA210B25F86C72EF4AFEE9" box="[251,297,311,337]" pageId="27" pageNumber="568">type</typeStatus>
does not occur. Our SEM images were taken only from a small piece of the mid-body region, for example. In addition to the study of the mid body region sclerites under SEM, we prepared sclerites from other body regions by dislodging them with a thin needle in an attempt to observe any body region-specific sclerite
<typeStatus id="11728803FFBA210B24DF6C92EC75FE49" box="[476,534,471,497]" pageId="27" pageNumber="568">types</typeStatus>
, but it is of course possible that particularly rare or fragile sclerite
<typeStatus id="11728803FFBA210B27456CB2EC1EFDA9" box="[582,637,503,529]" pageId="27" pageNumber="568">types</typeStatus>
were missed. Therefore, a thorough study of additional specimens would be desirable. Given the impossibility of differentiating these three
<taxonomicName id="09C94D22FFBA210B25C76F13EFF2FDC8" authorityName="Salvini-Plawen" authorityYear="1968" box="[196,401,598,624]" class="Solenogastres" family="Pruvotinidae" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="573" phylum="Mollusca" rank="subFamily" subFamily="Eleutheromeniidae">Eleutheromeniidae</taxonomicName>
species based on the sclerites and keel, it is necessary to study the internal anatomy.
</paragraph>
<caption id="9AB66629FFBB210A25876AD1EB12F852" ID-DOI="http://doi.org/10.5281/zenodo.13744749" ID-Zenodo-Dep="13744749" httpUri="https://zenodo.org/record/13744749/files/figure.png" pageId="26" pageNumber="567" startId="26.[132,143,1940,1958]" targetBox="[150,1428,222,1855]" targetPageId="26" targetType="figure">
<paragraph id="CE7636A1FFBB210A25876AD1EB12F852" blockId="26.[132,1457,1939,2026]" pageId="26" pageNumber="567">
<smallCapsWord id="C890A07DFFBB210A25876AD1EEFEF81C" baselines="1953,1953" box="[132,157,1940,1958]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="26" pageNumber="567">FIG</smallCapsWord>
. 12. — Histological sections of
<taxonomicName id="09C94D22FFBB210A24A56AD1ECCDF81E" authority="(Pruvot, 1890)" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[422,686,1940,1958]" class="Solenogastres" family="Pruvotinidae" genus="Pruvotina" kingdom="Animalia" order="Cavibelonia" pageId="26" pageNumber="567" phylum="Mollusca" rank="species" species="impexa">
<emphasis id="FCBDEAB3FFBB210A24A56AD1EC56F81E" box="[422,565,1940,1958]" italics="true" pageId="26" pageNumber="567">Pruvotina impexa</emphasis>
(
<bibRefCitation id="AA584B50FFBB210A273C6AD1ECC9F81E" author="PRUVOT G." box="[575,682,1940,1958]" pageId="26" pageNumber="567" refId="ref23905" refString="PRUVOT G. 1890. - Sur quelques Neomeniees nouvelles de la Mediterranee. Archives de Zoologie experimentale et general e (2) 8: notes, xxi-xxiv. https: // www. biodiversitylibrary. org / page / 5645969" type="journal volume" year="1890">Pruvot, 1890</bibRefCitation>
)
</taxonomicName>
(MNHN-IM-2019-1746)
<emphasis id="FCBDEAB3FFBB210A267A6AD1EDFAF81E" bold="true" box="[889,921,1940,1958]" pageId="26" pageNumber="567">A -E</emphasis>
, anterior region (continuation of Fig. 11):
<emphasis id="FCBDEAB3FFBB210A21F36AD1EB71F81D" bold="true" box="[1264,1298,1939,1958]" pageId="26" pageNumber="567">A -C</emphasis>
, mouth and dorsal gland;
<emphasis id="FCBDEAB3FFBB210A25BE6AEFEEB3F804" bold="true" box="[189,208,1962,1980]" pageId="26" pageNumber="567">C</emphasis>
, detail of the ventral cuticle between the opening of the mouth and the pedal pit;
<emphasis id="FCBDEAB3FFBB210A267B6AEFEDE5F804" bold="true" box="[888,902,1962,1980]" pageId="26" pageNumber="567">D</emphasis>
, radular region of the foregut;
<emphasis id="FCBDEAB3FFBB210A21806AEFEAF5F804" bold="true" box="[1155,1174,1962,1980]" pageId="26" pageNumber="567">D</emphasis>
, detail of the radula;
<emphasis id="FCBDEAB3FFBB210A20446AEFEB30F804" bold="true" box="[1351,1363,1962,1980]" pageId="26" pageNumber="567">E</emphasis>
, section of the glandular esophagus;
<emphasis id="FCBDEAB3FFBB210A245E6A84EF0BF86B" bold="true" box="[349,360,1985,2003]" pageId="26" pageNumber="567">F</emphasis>
,
<emphasis id="FCBDEAB3FFBB210A24716A84EFE3F86B" bold="true" box="[370,384,1985,2003]" pageId="26" pageNumber="567">G</emphasis>
, posterior region:
<emphasis id="FCBDEAB3FFBB210A271A6A84EC47F86B" bold="true" box="[537,548,1985,2003]" pageId="26" pageNumber="567">F</emphasis>
, mid region of the spawning duct;
<emphasis id="FCBDEAB3FFBB210A26446A84ED36F86B" bold="true" box="[839,853,1985,2003]" pageId="26" pageNumber="567">G</emphasis>
, section of the abdominal spicules;
<emphasis id="FCBDEAB3FFBB210A21806A84EAF5F86B" bold="true" box="[1155,1174,1985,2003]" pageId="26" pageNumber="567">G</emphasis>
, detail of the abdominal spicules;
<emphasis id="FCBDEAB3FFBB210A25876A9DEEF1F852" bold="true" box="[132,146,2008,2026]" pageId="26" pageNumber="567">H</emphasis>
, respiratory folds;
<emphasis id="FCBDEAB3FFBB210A242D6A9DEF57F852" bold="true" box="[302,308,2008,2026]" pageId="26" pageNumber="567">I</emphasis>
, posterior region of the body with the dorsoterminal sensory organ. Abbreviations: see Material and methods. Scale bars: 100 µm.
</paragraph>
</caption>
<paragraph id="CE7636A1FFBA210B25986FD3EBE6FE48" blockId="27.[130,777,215,2028]" lastBlockId="27.[810,1457,215,1390]" pageId="27" pageNumber="568">
Regarding the anterior internal anatomy,
<emphasis id="FCBDEAB3FFBA210B274D6FD3ECBBFD08" box="[590,728,662,688]" italics="true" pageId="27" pageNumber="568">Gephyrohepia</emphasis>
and
<taxonomicName id="09C94D22FFBA210B25876FF0EC83FD68" authority="(Garcia-Alvarez &amp; Salvini-Plawen 2007)" baseAuthorityName="Garcia-Alvarez &amp; Salvini-Plawen" baseAuthorityYear="2007" box="[132,736,693,723]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="genus">
<emphasis id="FCBDEAB3FFBA210B25876FF0EF47FD77" box="[132,292,693,719]" italics="true" pageId="27" pageNumber="568">Eleutheromenia</emphasis>
(
<bibRefCitation id="AA584B50FFBA210B24366FF2ECB4FD68" author="GARCIA-ALVAREZ O. &amp; SALVINI-PLAWEN L. V." box="[309,727,693,723]" pageId="27" pageNumber="568" pagination="73 - 143" refId="ref22075" refString="GARCIA-ALVAREZ O. &amp; SALVINI-PLAWEN L. V. 2007. - Species and diagnosis of the families and genera of Solenogastres (Mollusca). Iberus 25 (2): 73 - 143." type="journal article" year="2007">García-Álvarez &amp; Salvini-Plawen 2007</bibRefCitation>
)
</taxonomicName>
are distinct as the atrium and mouth are separate in
<emphasis id="FCBDEAB3FFBA210B27966F90EEC7FCB7" italics="true" pageId="27" pageNumber="568">Gephyrohepia</emphasis>
while
<taxonomicName id="09C94D22FFBA210B25EC6FB0EFBCFCB7" box="[239,479,757,783]" pageId="27" pageNumber="568">
<emphasis id="FCBDEAB3FFBA210B25EC6FB0EFEDFCB7" box="[239,398,757,783]" italics="true" pageId="27" pageNumber="568">Eleutheromenia</emphasis>
species
</taxonomicName>
have an atrio-buccal cavity (
<bibRefCitation id="AA584B50FFBA210B258C6E50EF0AFC97" author="PEDROUZO L. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." box="[143,361,789,815]" pageId="27" pageNumber="568" pagination="317 - 354" refId="ref23848" refString="PEDROUZO L., GARCIA-ALVAREZ O. &amp; URGORRI V. 2022. - New species of Pruvotininae (Solenogastres, Cavibelonia) from bathyal bottoms off the NW Iberian Peninsula, with a taxonomical discussion about the family Pruvotinidae. Iberus, DA Sociedad Espanola de Malacologia 40 (2): 317 - 354." type="journal article" year="2022">
Pedrouzo
<emphasis id="FCBDEAB3FFBA210B25F46E53EF49FC97" box="[247,298,789,815]" italics="true" pageId="27" pageNumber="568">et al.</emphasis>
2022
</bibRefCitation>
). In the
<collectingCountry id="B6DE7631FFBA210B24C56E50EC75FC97" box="[454,534,789,815]" name="France" pageId="27" pageNumber="568">Corsica</collectingCountry>
specimens mouth and atrium are partially separated. As discussed above for the subfamily
<taxonomicName id="09C94D22FFBA210B25F76E10EF1CFCD7" authorityName="Heath" authorityYear="1911" box="[244,383,853,879]" class="Solenogastres" family="Pruvotinidae" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="subFamily" subFamily="Pruvotininae">Pruvotininae</taxonomicName>
, the atrio-buccal cavity is also an ambiguous character in
<taxonomicName id="09C94D22FFBA210B24626E30EC4EFC37" authorityName="Salvini-Plawen" authorityYear="1968" box="[353,557,885,911]" class="Solenogastres" family="Pruvotinidae" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="573" phylum="Mollusca" rank="subFamily" subFamily="Eleutheromeniidae">Eleutheromeniidae</taxonomicName>
. The reconstructions included in the original descriptions of
<taxonomicName id="09C94D22FFBA210B27346ED3ECCEFC17" authorityName="Salvini-Plawen &amp; Ozturk" authorityYear="2006" box="[567,685,918,943]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="FCBDEAB3FFBA210B27346ED3ECCEFC17" box="[567,685,918,943]" italics="true" pageId="27" pageNumber="568">E. carinata</emphasis>
</taxonomicName>
(
<bibRefCitation id="AA584B50FFBA210B27BC6ED0EED8FC77" author="PRUVOT G." pageId="27" pageNumber="568" pagination="699 - 805" refId="ref23947" refString="PRUVOT G. 1891. - Sur l'organisation de quelques Neomeniens des cotes de France. Archives de Zoologie experimentale et generale (2) 9: 699 - 805." type="journal article" year="1891">Pruvot 1891</bibRefCitation>
: fig. 16) and
<taxonomicName id="09C94D22FFBA210B244D6EF0EFC1FC76" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[334,418,949,974]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFBA210B244D6EF0EFC1FC76" box="[334,418,949,974]" italics="true" pageId="27" pageNumber="568">E. sierra</emphasis>
</taxonomicName>
(
<bibRefCitation id="AA584B50FFBA210B24B06EF0ED63FC77" author="SALVINI-PLAWEN L. &amp; OZTURK B." box="[435,768,949,978]" pageId="27" pageNumber="568" pagination="217 - 224" refId="ref24451" refString="SALVINI-PLAWEN L. &amp; OZTURK B. 2006. - New records of Caudofoveata (Falcidens gutturosus, Prochaetoderma raduliferum) and of Solenogastres (Eleutheromenia carinata, spec. nov.) from the eastern Mediterranean Sea (Mollusca). Spixiana 29 (3): 217 - 224. https: // biostor. org / reference / 85575" type="journal article" year="2006">Salvini-Plawen &amp; Öztürk 2006</bibRefCitation>
: fig. 4) show the mouth opening into the posterior part of the atrium, but
<bibRefCitation id="AA584B50FFBA210B25FE6EB1EF83FBB7" author="SALVINI-PLAWEN L." box="[253,480,1012,1039]" pageId="27" pageNumber="568" pagination="37 - 60" refId="ref24331" refString="SALVINI-PLAWEN L. 2003. - Contributions to West-Mediterranean Solenogastres (Mollusca) with three new species. Iberus, DA Sociedad Espanola de Malacologia 21 (2): 37 - 60. https: // biostor. org / reference / 101923" type="journal article" year="2003">Salvini-Plawen (2003)</bibRefCitation>
, in the description of a specimen identified as
<taxonomicName id="09C94D22FFBA210B24426950EFF6FB96" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[321,405,1045,1070]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFBA210B24426950EFF6FB96" box="[321,405,1045,1070]" italics="true" pageId="27" pageNumber="568">E. sierra</emphasis>
</taxonomicName>
, states that “mouth opening in the dorso-posterior area of the common atrio-buccal cavity, connected with the sensory region by a groove (ridge).” According to the original descriptions of
<taxonomicName id="09C94D22FFBA210B24BC6931EC27FB36" authorityName="Salvini-Plawen" authorityYear="1978" box="[447,580,1140,1166]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="antarctica">
<emphasis id="FCBDEAB3FFBA210B24BC6931EC27FB36" box="[447,580,1140,1166]" italics="true" pageId="27" pageNumber="568">G. antarctica</emphasis>
</taxonomicName>
and
<taxonomicName id="09C94D22FFBA210B27796931ECBBFB36" authorityName="Zamarro, Garcia-Alvarez &amp; Urgorri" authorityYear="2013" box="[634,728,1140,1166]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="impar">
<emphasis id="FCBDEAB3FFBA210B27796931ECBBFB36" box="[634,728,1140,1166]" italics="true" pageId="27" pageNumber="568">G. impar</emphasis>
</taxonomicName>
, the mouth is separated from the atrium by a cuticularized ridge with musculature (
<bibRefCitation id="AA584B50FFBA210B244A69F1EC43FB76" author="SALVINI-PLAWEN L." box="[329,544,1204,1230]" pageId="27" pageNumber="568" pagination="1 - 315" refId="ref24148" refString="SALVINI-PLAWEN L. 1978. - Antarktische und Subantarktische Solenogastres-Eine Monographie: 1898 - 1974. Zoologica 128: 1 - 315." type="journal article" year="1978">Salvini-Plawen 1978</bibRefCitation>
;
<bibRefCitation id="AA584B50FFBA210B272969F1EC9AFB76" author="ZAMARRO M. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." box="[554,761,1204,1230]" pageId="27" pageNumber="568" pagination="423 - 443" refId="ref25142" refString="ZAMARRO M., GARCIA-ALVAREZ O. &amp; URGORRI V. 2013. - Three new species of Pruvotinidae (Mollusca: Solenogastres) from Antarctica and NW Spain. Helgoland Marine Research 67 (3): 423 - 443. https: // doi. org / 10.1007 / s 10152 - 012 - 0333 - 0" type="journal article" year="2013">
Zamarro
<emphasis id="FCBDEAB3FFBA210B278F69F0ECDFFB76" box="[652,700,1204,1230]" italics="true" pageId="27" pageNumber="568">et al.</emphasis>
2013
</bibRefCitation>
). Nevertheless, Salvini-Plawen describes this ridge in
<taxonomicName id="09C94D22FFBA210B27856991EF01FAB6" authority="Salvini-Plawen, 1978" authorityName="Salvini-Plawen" authorityYear="1978" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="antarctica">
<emphasis id="FCBDEAB3FFBA210B27856991ED65FB55" box="[646,774,1236,1262]" italics="true" pageId="27" pageNumber="568">G. antarctica</emphasis>
<bibRefCitation id="AA584B50FFBA210B258769B6EF01FAB6" author="SALVINI-PLAWEN L." box="[132,354,1267,1294]" pageId="27" pageNumber="568" pagination="1 - 315" refId="ref24148" refString="SALVINI-PLAWEN L. 1978. - Antarktische und Subantarktische Solenogastres-Eine Monographie: 1898 - 1974. Zoologica 128: 1 - 315." type="journal article" year="1978">Salvini-Plawen, 1978</bibRefCitation>
</taxonomicName>
as “a tegumental ridge without spicules”. In the same way, a cuticle with sclerites is not evident in the section of
<taxonomicName id="09C94D22FFBA210B25EE6871EF2AFAF5" authorityName="Zamarro, Garcia-Alvarez &amp; Urgorri" authorityYear="2013" box="[237,329,1332,1358]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="impar">
<emphasis id="FCBDEAB3FFBA210B25EE6871EF2AFAF5" box="[237,329,1332,1358]" italics="true" pageId="27" pageNumber="568">G. impar</emphasis>
</taxonomicName>
presented by
<bibRefCitation id="AA584B50FFBA210B24D76871ECCBFAF5" author="ZAMARRO M. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." box="[468,680,1331,1358]" pageId="27" pageNumber="568" pagination="423 - 443" refId="ref25142" refString="ZAMARRO M., GARCIA-ALVAREZ O. &amp; URGORRI V. 2013. - Three new species of Pruvotinidae (Mollusca: Solenogastres) from Antarctica and NW Spain. Helgoland Marine Research 67 (3): 423 - 443. https: // doi. org / 10.1007 / s 10152 - 012 - 0333 - 0" type="journal article" year="2013">
Zamarro
<emphasis id="FCBDEAB3FFBA210B27366871EC06FAF5" box="[565,613,1331,1357]" italics="true" pageId="27" pageNumber="568">et al.</emphasis>
(2013
</bibRefCitation>
: fig. 10a, b) and the separation between the two cavities is consistent with what we have observed in the sections of the
<collectingCountry id="B6DE7631FFBA210B27B46836ED6BFA35" box="[695,776,1395,1421]" name="France" pageId="27" pageNumber="568">Corsica</collectingCountry>
specimen (
<figureCitation id="56F22A24FFBA210B25FB68D6EF3BFA15" box="[248,344,1427,1453]" captionStart="FIG" captionStartId="26.[132,143,1940,1958]" captionTargetBox="[150,1428,222,1855]" captionTargetId="figure-19@26.[131,794,671,1134]" captionTargetPageId="26" captionText="FIG. 12. — Histological sections of Pruvotina impexa (Pruvot, 1890) (MNHN-IM-2019-1746) A-E, anterior region (continuation of Fig. 11): A-C, mouth and dorsal gland; C, detail of the ventral cuticle between the opening of the mouth and the pedal pit; D, radular region of the foregut; D, detail of the radula; E, section of the glandular esophagus; F, G, posterior region: F, mid region of the spawning duct; G, section of the abdominal spicules; G, detail of the abdominal spicules; H, respiratory folds; I, posterior region of the body with the dorsoterminal sensory organ. Abbreviations: see Material and methods. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.13744749" httpUri="https://zenodo.org/record/13744749/files/figure.png" pageId="27" pageNumber="568">Fig. 12B</figureCitation>
), which lacks cuticle and sclerites in this area. The specimen from
<collectingCountry id="B6DE7631FFBA210B248B68F6EFB4FA75" box="[392,471,1459,1485]" name="France" pageId="27" pageNumber="568">Corsica</collectingCountry>
shares other anterior internal characteristics with
<taxonomicName id="09C94D22FFBA210B24536896ECF6FA55" authority="(Zamarro et al. 2013)" baseAuthorityName="Zamarro" baseAuthorityYear="2013" box="[336,661,1491,1517]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="impar">
<emphasis id="FCBDEAB3FFBA210B24536896EFCEFA55" box="[336,429,1491,1517]" italics="true" pageId="27" pageNumber="568">G. impar</emphasis>
(
<bibRefCitation id="AA584B50FFBA210B24BE6896ECEEFA55" author="ZAMARRO M. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." box="[445,653,1491,1517]" pageId="27" pageNumber="568" pagination="423 - 443" refId="ref25142" refString="ZAMARRO M., GARCIA-ALVAREZ O. &amp; URGORRI V. 2013. - Three new species of Pruvotinidae (Mollusca: Solenogastres) from Antarctica and NW Spain. Helgoland Marine Research 67 (3): 423 - 443. https: // doi. org / 10.1007 / s 10152 - 012 - 0333 - 0" type="journal article" year="2013">
Zamarro
<emphasis id="FCBDEAB3FFBA210B271C6891EC32FA55" box="[543,593,1491,1517]" italics="true" pageId="27" pageNumber="568">et al.</emphasis>
2013
</bibRefCitation>
)
</taxonomicName>
that are all comparable with what was described also for both
<taxonomicName id="09C94D22FFBA210B278B68B6ECBAF9B4" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[648,729,1523,1548]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFBA210B278B68B6ECBAF9B4" box="[648,729,1523,1548]" italics="true" pageId="27" pageNumber="568">E. sierra</emphasis>
</taxonomicName>
and
<taxonomicName id="09C94D22FFBA210B25876B56EC20F994" authority="(Salvini-Plawen &amp; Ozturk 2006)" baseAuthorityName="Salvini-Plawen &amp; Ozturk" baseAuthorityYear="2006" box="[132,579,1554,1584]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="FCBDEAB3FFBA210B25876B56EE92F994" box="[132,241,1555,1580]" italics="true" pageId="27" pageNumber="568">E. carinata</emphasis>
(
<bibRefCitation id="AA584B50FFBA210B25FD6B57EC5FF994" author="SALVINI-PLAWEN L. &amp; OZTURK B." box="[254,572,1554,1584]" pageId="27" pageNumber="568" pagination="217 - 224" refId="ref24451" refString="SALVINI-PLAWEN L. &amp; OZTURK B. 2006. - New records of Caudofoveata (Falcidens gutturosus, Prochaetoderma raduliferum) and of Solenogastres (Eleutheromenia carinata, spec. nov.) from the eastern Mediterranean Sea (Mollusca). Spixiana 29 (3): 217 - 224. https: // biostor. org / reference / 85575" type="journal article" year="2006">Salvini-Plawen &amp; Öztürk 2006</bibRefCitation>
)
</taxonomicName>
: atrium posteriorly trilobed; central region of the atrium forming a blind pouch with single or paired atrial papillae; one pedal fold; hooked radula teeth without medial denticles; glandular esophagus; unpaired antero-dorsal midgut caecum. The only distinctive posterior characteristic of
<taxonomicName id="09C94D22FFBA210B249C6BF7EC63F974" box="[415,512,1714,1740]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="impar">
<emphasis id="FCBDEAB3FFBA210B249C6BF7EC63F974" box="[415,512,1714,1740]" italics="true" pageId="27" pageNumber="568">G. impar</emphasis>
</taxonomicName>
compared with
<taxonomicName id="09C94D22FFBA210B27B06BF6ED6AF974" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[691,777,1715,1740]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFBA210B27B06BF6ED6AF974" box="[691,777,1715,1740]" italics="true" pageId="27" pageNumber="568">E. sierra</emphasis>
</taxonomicName>
and
<taxonomicName id="09C94D22FFBA210B25B26B96EF43F954" baseAuthorityName="Salvini-Plawen &amp; Ozturk" baseAuthorityYear="2006" box="[177,288,1747,1772]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="FCBDEAB3FFBA210B25B26B96EF43F954" box="[177,288,1747,1772]" italics="true" pageId="27" pageNumber="568">E. carinata</emphasis>
</taxonomicName>
is the lack of abdominal spicules (
<bibRefCitation id="AA584B50FFBA210B277E6B97ED63F954" author="PRUVOT G." box="[637,768,1746,1772]" pageId="27" pageNumber="568" refId="ref23905" refString="PRUVOT G. 1890. - Sur quelques Neomeniees nouvelles de la Mediterranee. Archives de Zoologie experimentale et general e (2) 8: notes, xxi-xxiv. https: // www. biodiversitylibrary. org / page / 5645969" type="journal volume" year="1890">Pruvot 1890</bibRefCitation>
;
<bibRefCitation id="AA584B50FFBA210B25876BB7EFACF8B4" author="SALVINI-PLAWEN L. &amp; OZTURK B." box="[132,463,1778,1807]" pageId="27" pageNumber="568" pagination="217 - 224" refId="ref24451" refString="SALVINI-PLAWEN L. &amp; OZTURK B. 2006. - New records of Caudofoveata (Falcidens gutturosus, Prochaetoderma raduliferum) and of Solenogastres (Eleutheromenia carinata, spec. nov.) from the eastern Mediterranean Sea (Mollusca). Spixiana 29 (3): 217 - 224. https: // biostor. org / reference / 85575" type="journal article" year="2006">Salvini-Plawen &amp; Öztürk 2006</bibRefCitation>
;
<bibRefCitation id="AA584B50FFBA210B24DE6BB7ECD2F8B4" author="ZAMARRO M. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." box="[477,689,1778,1804]" pageId="27" pageNumber="568" pagination="423 - 443" refId="ref25142" refString="ZAMARRO M., GARCIA-ALVAREZ O. &amp; URGORRI V. 2013. - Three new species of Pruvotinidae (Mollusca: Solenogastres) from Antarctica and NW Spain. Helgoland Marine Research 67 (3): 423 - 443. https: // doi. org / 10.1007 / s 10152 - 012 - 0333 - 0" type="journal article" year="2013">
Zamarro
<emphasis id="FCBDEAB3FFBA210B27426BB6EC10F8B4" box="[577,627,1778,1804]" italics="true" pageId="27" pageNumber="568">et al.</emphasis>
2013
</bibRefCitation>
). In the
<collectingCountry id="B6DE7631FFBA210B25876A57EEB7F894" box="[132,212,1810,1836]" name="France" pageId="27" pageNumber="568">Corsica</collectingCountry>
specimen there are abdominal spicules (
<figureCitation id="56F22A24FFBA210B27746A57ECB2F894" box="[631,721,1810,1836]" captionStart="FIG" captionStartId="26.[132,143,1940,1958]" captionTargetBox="[150,1428,222,1855]" captionTargetId="figure-19@26.[131,794,671,1134]" captionTargetPageId="26" captionText="FIG. 12. — Histological sections of Pruvotina impexa (Pruvot, 1890) (MNHN-IM-2019-1746) A-E, anterior region (continuation of Fig. 11): A-C, mouth and dorsal gland; C, detail of the ventral cuticle between the opening of the mouth and the pedal pit; D, radular region of the foregut; D, detail of the radula; E, section of the glandular esophagus; F, G, posterior region: F, mid region of the spawning duct; G, section of the abdominal spicules; G, detail of the abdominal spicules; H, respiratory folds; I, posterior region of the body with the dorsoterminal sensory organ. Abbreviations: see Material and methods. Scale bars: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.13744749" httpUri="https://zenodo.org/record/13744749/files/figure.png" pageId="27" pageNumber="568">Fig. 12F</figureCitation>
) and their shape and position correspond with those described in both
<taxonomicName id="09C94D22FFBA210B25BD6A17EF71F8D3" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[190,274,1874,1899]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFBA210B25BD6A17EF71F8D3" box="[190,274,1874,1899]" italics="true" pageId="27" pageNumber="568">E. sierra</emphasis>
</taxonomicName>
and
<taxonomicName id="09C94D22FFBA210B24496A17EFDFF8D3" baseAuthorityName="Salvini-Plawen &amp; Ozturk" baseAuthorityYear="2006" box="[330,444,1874,1899]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="FCBDEAB3FFBA210B24496A17EFDFF8D3" box="[330,444,1874,1899]" italics="true" pageId="27" pageNumber="568">E. carinata</emphasis>
</taxonomicName>
(
<bibRefCitation id="AA584B50FFBA210B24CE6A14ECCBF8D4" author="SALVINI-PLAWEN L." box="[461,680,1873,1900]" pageId="27" pageNumber="568" pagination="37 - 60" refId="ref24331" refString="SALVINI-PLAWEN L. 2003. - Contributions to West-Mediterranean Solenogastres (Mollusca) with three new species. Iberus, DA Sociedad Espanola de Malacologia 21 (2): 37 - 60. https: // biostor. org / reference / 101923" type="journal article" year="2003">Salvini-Plawen 2003</bibRefCitation>
;
<bibRefCitation id="AA584B50FFBA210B27B46A14EFEBF833" author="SALVINI-PLAWEN L. &amp; OZTURK B." pageId="27" pageNumber="568" pagination="217 - 224" refId="ref24451" refString="SALVINI-PLAWEN L. &amp; OZTURK B. 2006. - New records of Caudofoveata (Falcidens gutturosus, Prochaetoderma raduliferum) and of Solenogastres (Eleutheromenia carinata, spec. nov.) from the eastern Mediterranean Sea (Mollusca). Spixiana 29 (3): 217 - 224. https: // biostor. org / reference / 85575" type="journal article" year="2006">Salvini-Plawen &amp; Öztürk 2006</bibRefCitation>
). However, although not described for
<taxonomicName id="09C94D22FFBA210B25A86AD7EF6FF813" box="[171,268,1938,1964]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="impar">
<emphasis id="FCBDEAB3FFBA210B25A86AD7EF6FF813" box="[171,268,1938,1964]" italics="true" pageId="27" pageNumber="568">G. impar</emphasis>
</taxonomicName>
, the internal reconstruction of the
<typeStatus id="11728803FFBA210B27886AD4EC8BF813" box="[651,744,1937,1963]" pageId="27" pageNumber="568" type="holotype">holotype</typeStatus>
of this species shows a ventro-anterior pouch of the pallial cavity (
<bibRefCitation id="AA584B50FFBA210B258E6A97EF3CF853" author="ZAMARRO M. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." box="[141,351,2001,2028]" pageId="27" pageNumber="568" pagination="423 - 443" refId="ref25142" refString="ZAMARRO M., GARCIA-ALVAREZ O. &amp; URGORRI V. 2013. - Three new species of Pruvotinidae (Mollusca: Solenogastres) from Antarctica and NW Spain. Helgoland Marine Research 67 (3): 423 - 443. https: // doi. org / 10.1007 / s 10152 - 012 - 0333 - 0" type="journal article" year="2013">
Zamarro
<emphasis id="FCBDEAB3FFBA210B25F36A97EF41F853" box="[240,290,2001,2027]" italics="true" pageId="27" pageNumber="568">et al.</emphasis>
2013
</bibRefCitation>
: fig. 9b) that corresponds with the position of the abdominal spicules in both
<taxonomicName id="09C94D22FFBA210B21C06D92EBCDFF49" box="[1219,1454,215,241]" pageId="27" pageNumber="568">
<emphasis id="FCBDEAB3FFBA210B21C06D92EB01FF49" box="[1219,1378,215,241]" italics="true" pageId="27" pageNumber="568">Eleutheromenia</emphasis>
species
</taxonomicName>
(
<bibRefCitation id="AA584B50FFBA210B26366DB2EA71FEA9" author="SALVINI-PLAWEN L." box="[821,1042,247,273]" pageId="27" pageNumber="568" pagination="37 - 60" refId="ref24331" refString="SALVINI-PLAWEN L. 2003. - Contributions to West-Mediterranean Solenogastres (Mollusca) with three new species. Iberus, DA Sociedad Espanola de Malacologia 21 (2): 37 - 60. https: // biostor. org / reference / 101923" type="journal article" year="2003">Salvini-Plawen 2003</bibRefCitation>
;
<bibRefCitation id="AA584B50FFBA210B21216DB2EB14FEA9" author="SALVINI-PLAWEN L. &amp; OZTURK B." box="[1058,1399,247,277]" pageId="27" pageNumber="568" pagination="217 - 224" refId="ref24451" refString="SALVINI-PLAWEN L. &amp; OZTURK B. 2006. - New records of Caudofoveata (Falcidens gutturosus, Prochaetoderma raduliferum) and of Solenogastres (Eleutheromenia carinata, spec. nov.) from the eastern Mediterranean Sea (Mollusca). Spixiana 29 (3): 217 - 224. https: // biostor. org / reference / 85575" type="journal article" year="2006">Salvini-Plawen &amp; Öztürk 2006</bibRefCitation>
) and in
<taxonomicName id="09C94D22FFBA210B26496C52EAA4FE89" authority="(Salvini-Plawen 1978)" baseAuthorityName="Salvini-Plawen" baseAuthorityYear="1978" box="[842,1223,279,305]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="antarctica">
<emphasis id="FCBDEAB3FFBA210B26496C52EDB1FE89" box="[842,978,279,305]" italics="true" pageId="27" pageNumber="568">G. antarctica</emphasis>
(
<bibRefCitation id="AA584B50FFBA210B26E06C52EADCFE89" author="SALVINI-PLAWEN L." box="[995,1215,279,305]" pageId="27" pageNumber="568" pagination="1 - 315" refId="ref24148" refString="SALVINI-PLAWEN L. 1978. - Antarktische und Subantarktische Solenogastres-Eine Monographie: 1898 - 1974. Zoologica 128: 1 - 315." type="journal article" year="1978">Salvini-Plawen 1978</bibRefCitation>
)
</taxonomicName>
. Finally, the presence of epidermal papillae is a diagnostic character for the genus
<taxonomicName id="09C94D22FFBA210B262D6C12EADFFEC9" authority="(Salvini-Plawen 1978)" baseAuthorityName="Salvini-Plawen" baseAuthorityYear="1978" box="[814,1212,343,369]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="genus">
<emphasis id="FCBDEAB3FFBA210B262D6C12EDA7FEC9" box="[814,964,343,369]" italics="true" pageId="27" pageNumber="568">Gephyroherpia</emphasis>
(
<bibRefCitation id="AA584B50FFBA210B26D76C12EAD6FEC9" author="SALVINI-PLAWEN L." box="[980,1205,343,369]" pageId="27" pageNumber="568" pagination="1 - 315" refId="ref24148" refString="SALVINI-PLAWEN L. 1978. - Antarktische und Subantarktische Solenogastres-Eine Monographie: 1898 - 1974. Zoologica 128: 1 - 315." type="journal article" year="1978">Salvini-Plawen 1978</bibRefCitation>
)
</taxonomicName>
whereas the diagnosis of
<taxonomicName id="09C94D22FFBA210B264B6C32ED84FE29" baseAuthorityName="Garcia-Alvarez &amp; Salvini-Plawen" baseAuthorityYear="2007" box="[840,999,375,401]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="genus">
<emphasis id="FCBDEAB3FFBA210B264B6C32ED84FE29" box="[840,999,375,401]" italics="true" pageId="27" pageNumber="568">Eleutheromenia</emphasis>
</taxonomicName>
indicates the absence of these structures. In studying the available images of sections of
<taxonomicName id="09C94D22FFBA210B21F86CD2EB3AFE08" box="[1275,1369,407,433]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="impar">
<emphasis id="FCBDEAB3FFBA210B21F86CD2EB3AFE08" box="[1275,1369,407,433]" italics="true" pageId="27" pageNumber="568">G. impar</emphasis>
</taxonomicName>
, we did not observe epidermal papillae (
<bibRefCitation id="AA584B50FFBA210B217E6CF2EB2CFE69" author="ZAMARRO M. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." box="[1149,1359,438,465]" pageId="27" pageNumber="568" pagination="423 - 443" refId="ref25142" refString="ZAMARRO M., GARCIA-ALVAREZ O. &amp; URGORRI V. 2013. - Three new species of Pruvotinidae (Mollusca: Solenogastres) from Antarctica and NW Spain. Helgoland Marine Research 67 (3): 423 - 443. https: // doi. org / 10.1007 / s 10152 - 012 - 0333 - 0" type="journal article" year="2013">
Zamarro
<emphasis id="FCBDEAB3FFBA210B21E36CF2EB71FE68" box="[1248,1298,438,464]" italics="true" pageId="27" pageNumber="568">et al.</emphasis>
2013
</bibRefCitation>
; fig. 10). There are no epidermal papillae in the
<collectingCountry id="B6DE7631FFBA210B21C76C93EB77FE48" box="[1220,1300,470,496]" name="France" pageId="27" pageNumber="568">Corsica</collectingCountry>
specimen.
</paragraph>
<paragraph id="CE7636A1FFBA210B26406CB3EBD3FBD6" blockId="27.[810,1457,215,1390]" pageId="27" pageNumber="568">
Considering all the above, it is not possible to make a distinction between
<taxonomicName id="09C94D22FFBA210B26E86F52EA2EFD88" box="[1003,1101,535,561]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="impar">
<emphasis id="FCBDEAB3FFBA210B26E86F52EA2EFD88" box="[1003,1101,535,561]" italics="true" pageId="27" pageNumber="568">G. impar</emphasis>
</taxonomicName>
and
<taxonomicName id="09C94D22FFBA210B21866F52EAB8FD88" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[1157,1243,535,560]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFBA210B21866F52EAB8FD88" box="[1157,1243,535,560]" italics="true" pageId="27" pageNumber="568">E. sierra</emphasis>
</taxonomicName>
based on anatomy. Furthermore, the only clear difference between
<taxonomicName id="09C94D22FFBA210B20286F72EB1CFDE8" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[1323,1407,567,592]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFBA210B20286F72EB1CFDE8" box="[1323,1407,567,592]" italics="true" pageId="27" pageNumber="568">E. sierra</emphasis>
</taxonomicName>
and
<taxonomicName id="09C94D22FFBA210B262F6F12EDC2FDC8" baseAuthorityName="Salvini-Plawen &amp; Ozturk" baseAuthorityYear="2006" box="[812,929,599,624]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="FCBDEAB3FFBA210B262F6F12EDC2FDC8" box="[812,929,599,624]" italics="true" pageId="27" pageNumber="568">E. carinata</emphasis>
</taxonomicName>
is the length of the paired region of the spawning duct and the exact position of its opening in the mantle cavity (
<bibRefCitation id="AA584B50FFBA210B26786FD3EAAFFD08" author="SALVINI-PLAWEN L. &amp; OZTURK B." box="[891,1228,662,691]" pageId="27" pageNumber="568" pagination="217 - 224" refId="ref24451" refString="SALVINI-PLAWEN L. &amp; OZTURK B. 2006. - New records of Caudofoveata (Falcidens gutturosus, Prochaetoderma raduliferum) and of Solenogastres (Eleutheromenia carinata, spec. nov.) from the eastern Mediterranean Sea (Mollusca). Spixiana 29 (3): 217 - 224. https: // biostor. org / reference / 85575" type="journal article" year="2006">Salvini-Plawen &amp; Öztürk 2006</bibRefCitation>
), but the description of
<taxonomicName id="09C94D22FFBA210B264B6FF3EDD9FD77" baseAuthorityName="Salvini-Plawen &amp; Ozturk" baseAuthorityYear="2006" box="[840,954,694,719]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="FCBDEAB3FFBA210B264B6FF3EDD9FD77" box="[840,954,694,719]" italics="true" pageId="27" pageNumber="568">E. carinata</emphasis>
</taxonomicName>
was based on a juvenile. Therefore, we propose the synonymy of
<taxonomicName id="09C94D22FFBA210B26EA6F93EA5CFD57" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[1001,1087,726,751]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFBA210B26EA6F93EA5CFD57" box="[1001,1087,726,751]" italics="true" pageId="27" pageNumber="568">E. sierra</emphasis>
</taxonomicName>
,
<taxonomicName id="09C94D22FFBA210B214D6F93EAA1FD57" baseAuthorityName="Salvini-Plawen &amp; Ozturk" baseAuthorityYear="2006" box="[1102,1218,726,751]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="FCBDEAB3FFBA210B214D6F93EAA1FD57" box="[1102,1218,726,751]" italics="true" pageId="27" pageNumber="568">E. carinata</emphasis>
</taxonomicName>
and
<taxonomicName id="09C94D22FFBA210B21FA6F93ED1DFCB7" authority="Consequently" authorityName="Consequently" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="impar">
<emphasis id="FCBDEAB3FFBA210B21FA6F93EB38FD57" box="[1273,1371,726,752]" italics="true" pageId="27" pageNumber="568">G. impar</emphasis>
Consequently
</taxonomicName>
, the specimen from
<collectingCountry id="B6DE7631FFBA210B21596FB0EAC8FCB7" box="[1114,1195,757,783]" name="France" pageId="27" pageNumber="568">Corsica</collectingCountry>
is identified as
<taxonomicName id="09C94D22FFBA210B20516FB3EBC4FCB7" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[1362,1447,758,783]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFBA210B20516FB3EBC4FCB7" box="[1362,1447,758,783]" italics="true" pageId="27" pageNumber="568">E. sierra</emphasis>
</taxonomicName>
. In addition, the phylogenetic analysis of COI and the results of both species delimitation methods (
<figureCitation id="56F22A24FFBA210B21D16E70EB70FCF7" box="[1234,1299,821,847]" captionStart="FIG" captionStartId="9.[132,143,1939,1957]" captionTargetBox="[170,1422,236,1860]" captionTargetId="graphics-38@9.[174,1438,245,1849]" captionTargetPageId="9" captionText="FIG. 2. — Maximum likelihood phylogenetic reconstruction based on COI. MNHN CORSICABENTHOS specimens are shaded with colors corresponding to those used in Fig 1. BOLD (ALPNB #s) and NCBI accession numbers precede species names for publicly available sequences and both NCBI accession numbers and museum catalog numbers precede the species names for the Corsica specimens. Symbols: *, the taxa considered as reference sequences based on Kocot et al. (2019); gray blocks, species delimitation results according to Assemble Species by Automatic Partitioning (ASAP, Puillandre et al. 2021)." figureDoi="http://doi.org/10.5281/zenodo.13744729" httpUri="https://zenodo.org/record/13744729/files/figure.png" pageId="27" pageNumber="568">Fig. 2</figureCitation>
) indicate that the
<collectingCountry id="B6DE7631FFBA210B26546E10EDCBFCD7" box="[855,936,853,879]" name="France" pageId="27" pageNumber="568">Corsica</collectingCountry>
specimen is the same species as a specimen from
<collectingCountry id="B6DE7631FFBA210B262F6E30EDE7FC37" box="[812,900,885,911]" name="Norway" pageId="27" pageNumber="568">Norway</collectingCountry>
identified as
<taxonomicName id="09C94D22FFBA210B211F6E33EA17FC37" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[1052,1140,886,911]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFBA210B211F6E33EA17FC37" box="[1052,1140,886,911]" italics="true" pageId="27" pageNumber="568">E. sierra</emphasis>
</taxonomicName>
. Therefore, and considering that the separation between atrium and mouth is not a good diagnostic character, we propose a new classification for the subfamily
<taxonomicName id="09C94D22FFBA210B269B6E91EA00FC56" authorityName="Salvini-Plawen" authorityYear="1978" box="[920,1123,980,1006]" class="Solenogastres" family="Pruvotinidae" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="subFamily" subFamily="Eleutheromeniinae">Eleutheromeniinae</taxonomicName>
:
<taxonomicName id="09C94D22FFBA210B21686E91ED02FBB7" authority="Salvini-Plawen, 1978" authorityName="Salvini-Plawen" authorityYear="1978" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="genus">
<emphasis id="FCBDEAB3FFBA210B21686E91EB6AFC56" box="[1131,1289,980,1006]" italics="true" pageId="27" pageNumber="568">Eleutheromenia</emphasis>
<bibRefCitation id="AA584B50FFBA210B200E6E91ED02FBB7" author="SALVINI-PLAWEN L." pageId="27" pageNumber="568" pagination="1 - 315" refId="ref24148" refString="SALVINI-PLAWEN L. 1978. - Antarktische und Subantarktische Solenogastres-Eine Monographie: 1898 - 1974. Zoologica 128: 1 - 315." type="journal article" year="1978">Salvini-Plawen, 1978</bibRefCitation>
</taxonomicName>
including
<taxonomicName id="09C94D22FFBA210B26D06EB0EA45FBB6" baseAuthorityName="Pruvot" baseAuthorityYear="1890" box="[979,1062,1013,1038]" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFBA210B26D06EB0EA45FBB6" box="[979,1062,1013,1038]" italics="true" pageId="27" pageNumber="568">E. sierra</emphasis>
</taxonomicName>
and
<taxonomicName id="09C94D22FFBA210B215B6EB0EAB9FBB6" authorityName="Cobo &amp; Farris &amp; Kocot" authorityYear="2024" box="[1112,1242,1013,1038]" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="antarctica" status="n. comb.">
<emphasis id="FCBDEAB3FFBA210B215B6EB0EAB9FBB6" box="[1112,1242,1013,1038]" italics="true" pageId="27" pageNumber="568">E. antarctica</emphasis>
</taxonomicName>
<taxonomicNameLabel id="E78E57C8FFBA210B21DD6EB0EB5FFBB6" box="[1246,1340,1012,1039]" pageId="27" pageNumber="568" rank="species">n. comb.</taxonomicNameLabel>
for
<taxonomicName id="09C94D22FFBA210B20676EB0EA08FB96" authority="Salvini-Plawen, 1978" authorityName="Salvini-Plawen" authorityYear="1978" class="Solenogastres" family="Pruvotinidae" genus="Gephyroherpia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="antarctica">
<emphasis id="FCBDEAB3FFBA210B20676EB0ED10FB96" italics="true" pageId="27" pageNumber="568">G. antarctica</emphasis>
<bibRefCitation id="AA584B50FFBA210B267E6951EA08FB96" author="SALVINI-PLAWEN L." box="[893,1131,1044,1070]" pageId="27" pageNumber="568" pagination="1 - 315" refId="ref24148" refString="SALVINI-PLAWEN L. 1978. - Antarktische und Subantarktische Solenogastres-Eine Monographie: 1898 - 1974. Zoologica 128: 1 - 315." type="journal article" year="1978">Salvini-Plawen, 1978</bibRefCitation>
</taxonomicName>
and the monospecific genus
<taxonomicName id="09C94D22FFBA210B262D6971EA9CFBF6" authority="Garcia-Alvarez &amp; Urgorri, 2001" authorityName="Garcia-Alvarez &amp; Urgorri" authorityYear="2001" box="[814,1279,1076,1106]" class="Solenogastres" family="Pruvotinidae" genus="Luitfriedia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="genus">
<emphasis id="FCBDEAB3FFBA210B262D6971EDFDFBF6" box="[814,926,1076,1102]" italics="true" pageId="27" pageNumber="568">Luitfriedia</emphasis>
<bibRefCitation id="AA584B50FFBA210B26A66973EA9CFBF6" author="GARCIA-ALVAREZ O. &amp; SALVINI-PLAWEN L. S. &amp; URGORRI V." box="[933,1279,1076,1106]" pageId="27" pageNumber="568" pagination="113 - 119" refId="ref22199" refString="GARCIA-ALVAREZ O., SALVINI-PLAWEN L. S. &amp; URGORRI V. 2001. - Unciherpia hirsuta a new genus and species of Aplacophoran (Mollusca Solenogastres: Pararrhopaliidae) from Galicia, Northwest Spain. Journal of Molluscan Studies 67: 113 - 119. https: // doi. org / 10.1093 / mollus / 67.1.113" type="book chapter" year="2001">García-Álvarez &amp; Urgorri, 2001</bibRefCitation>
</taxonomicName>
(with
<taxonomicName id="09C94D22FFBA210B20446970EA17FBD6" authority="Garcia-Alvarez &amp; Urgorri, 2001" authorityName="Garcia-Alvarez &amp; Urgorri" authorityYear="2001" class="Solenogastres" family="Pruvotinidae" genus="Luitfriedia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="minuta">
<emphasis id="FCBDEAB3FFBA210B20446970EBD3FBF6" box="[1351,1456,1077,1102]" italics="true" pageId="27" pageNumber="568">L. minuta</emphasis>
<bibRefCitation id="AA584B50FFBA210B262F6913EA17FBD6" author="GARCIA-ALVAREZ O. &amp; SALVINI-PLAWEN L. S. &amp; URGORRI V." box="[812,1140,1108,1138]" pageId="27" pageNumber="568" pagination="113 - 119" refId="ref22199" refString="GARCIA-ALVAREZ O., SALVINI-PLAWEN L. S. &amp; URGORRI V. 2001. - Unciherpia hirsuta a new genus and species of Aplacophoran (Mollusca Solenogastres: Pararrhopaliidae) from Galicia, Northwest Spain. Journal of Molluscan Studies 67: 113 - 119. https: // doi. org / 10.1093 / mollus / 67.1.113" type="book chapter" year="2001">García-Álvarez &amp; Urgorri, 2001</bibRefCitation>
</taxonomicName>
) differing by the lack of radula.
</paragraph>
<paragraph id="CE7636A1FFBA210B26406931EBC9FAD5" blockId="27.[810,1457,215,1390]" pageId="27" pageNumber="568">
Given the synonymy proposed here, the distribution of
<taxonomicName id="09C94D22FFBA210B207F6930ED37FB16" baseAuthorityName="Pruvot" baseAuthorityYear="1890" class="Solenogastres" family="Pruvotinidae" genus="Eleutheromenia" kingdom="Animalia" order="Cavibelonia" pageId="27" pageNumber="568" phylum="Mollusca" rank="species" species="sierra">
<emphasis id="FCBDEAB3FFBA210B207F6930ED37FB16" italics="true" pageId="27" pageNumber="568">E. sierra</emphasis>
</taxonomicName>
is extended and includes Portaló Island, Cabo de Creus (
<collectingCountry id="B6DE7631FFBA210B263769F1ED15FB76" box="[820,886,1204,1230]" name="Spain" pageId="27" pageNumber="568">Spain</collectingCountry>
), Bay of
<collectingRegion id="0C0DF843FFBA210B26DA69F1EA70FB76" box="[985,1043,1204,1230]" country="Turkey" name="Izmir" pageId="27" pageNumber="568">Izmir</collectingRegion>
(
<collectingCountry id="B6DE7631FFBA210B212069F1EA11FB76" box="[1059,1138,1204,1230]" name="Turkey" pageId="27" pageNumber="568">Turkey</collectingCountry>
) and
<collectingCountry id="B6DE7631FFBA210B21B169F1EB2EFB76" box="[1202,1357,1204,1230]" name="Corsica Island" pageId="27" pageNumber="568">Corsica Island</collectingCountry>
(
<collectingCountry id="B6DE7631FFBA210B205F69F1EBC4FB76" box="[1372,1447,1204,1230]" name="France" pageId="27" pageNumber="568">France</collectingCountry>
) in the Mediterranean Sea (
<quantity id="09319B44FFBA210B214D6996EACDFB56" box="[1102,1198,1235,1262]" metricMagnitude="1" metricUnit="m" metricValue="5.75" metricValueMax="7.5" metricValueMin="4.0" pageId="27" pageNumber="568" unit="m" value="57.5" valueMax="75.0" valueMin="40.0">40-75 m</quantity>
depth) and the NW of the Iberian Peninsula in the Atlantic Ocean (
<quantity id="09319B44FFBA210B201569B6EB3CFAB6" box="[1302,1375,1267,1294]" metricMagnitude="2" metricUnit="m" metricValue="5.9799999999999995" pageId="27" pageNumber="568" unit="m" value="598.0">598 m</quantity>
depth) (
<bibRefCitation id="AA584B50FFBA210B26366856EA18FA95" author="SALVINI-PLAWEN L. &amp; OZTURK B." box="[821,1147,1299,1329]" pageId="27" pageNumber="568" pagination="217 - 224" refId="ref24451" refString="SALVINI-PLAWEN L. &amp; OZTURK B. 2006. - New records of Caudofoveata (Falcidens gutturosus, Prochaetoderma raduliferum) and of Solenogastres (Eleutheromenia carinata, spec. nov.) from the eastern Mediterranean Sea (Mollusca). Spixiana 29 (3): 217 - 224. https: // biostor. org / reference / 85575" type="journal article" year="2006">Salvini-Plawen &amp; Öztürk 2006</bibRefCitation>
;
<bibRefCitation id="AA584B50FFBA210B21846851EB37FA96" author="ZAMARRO M. &amp; GARCIA-ALVAREZ O. &amp; URGORRI V." box="[1159,1364,1299,1326]" pageId="27" pageNumber="568" pagination="423 - 443" refId="ref25142" refString="ZAMARRO M., GARCIA-ALVAREZ O. &amp; URGORRI V. 2013. - Three new species of Pruvotinidae (Mollusca: Solenogastres) from Antarctica and NW Spain. Helgoland Marine Research 67 (3): 423 - 443. https: // doi. org / 10.1007 / s 10152 - 012 - 0333 - 0" type="journal article" year="2013">
Zamarro
<emphasis id="FCBDEAB3FFBA210B21EB6851EB7AFA95" box="[1256,1305,1299,1325]" italics="true" pageId="27" pageNumber="568">et al.</emphasis>
2013
</bibRefCitation>
;
<bibRefCitation id="AA584B50FFBA210B20636851ED9BFAF5" author="GARCIA-ALVAREZ O. &amp; SALVINI-PLAWEN L. &amp; URGORRI V." pageId="27" pageNumber="568" pagination="31 - 158" refId="ref22301" refString="GARCIA-ALVAREZ O., SALVINI-PLAWEN L. &amp; URGORRI V. 2014. - Solenogastres, in GARCIA-ALVAREZ O., SALVINI-PLAWEN L., URGORRI V. &amp; SOUZA-TRONCOSO J. (eds), Mollusca Solenogastres, Caudofoveata, Monoplacophora. Fauna Iberica, vol. 38. CSIC, Madrid: 31 - 158. ISBN: 9788400098704" type="book chapter" year="2014">
García-Álvarez
<emphasis id="FCBDEAB3FFBA210B26806871EDDBFAF5" box="[899,952,1331,1357]" italics="true" pageId="27" pageNumber="568">et al.</emphasis>
2014
</bibRefCitation>
). As previously collected specimens, the specimen from
<collectingCountry id="B6DE7631FFBA210B26D76816EA46FAD5" box="[980,1061,1363,1389]" name="France" pageId="27" pageNumber="568">Corsica</collectingCountry>
was collected from a sandy bottom.
</paragraph>
</subSubSection>
</treatment>
</document>