<documentid="FE34B708A8276197344CE1BBA9ABAE17"ID-DOI="10.5852/ejt.2024.926.2469"ID-GBIF-Dataset="4511b4bd-f026-49d3-9d4d-a39875e75cc5"ID-ISSN="2118-9773"ID-Zenodo-Dep="10847806"ID-ZooBank="A00D7669-2151-46AE-A066-9AF4D0F2BEEE"IM.bibliography_approvedBy="guilherme"IM.illustrations_approvedBy="admin"IM.materialsCitations_approvedBy="guilherme"IM.metadata_approvedBy="guilherme"IM.tables_approvedBy="guilherme"IM.taxonomicNames_approvedBy="guilherme"IM.treatmentCitations_approvedBy="felipe"IM.treatments_approvedBy="guilherme"checkinTime="1711011351298"checkinUser="plazi"docAuthor="Jochum, Adrienne, Michalik, Peter, Inäbnit, Thomas, Kneubühler, Jeannette, Slapnik, Rajko, Vrabec, Marko, Schilthuizen, Menno & Ruthensteiner, Bernhard"docDate="2024"docId="03B0879DFF9DFFE9FE30D609FE3CFADD"docLanguage="en"docName="EJT.2024.926.1-62.pdf"docOrigin="European Journal of Taxonomy 926"docSource="https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2469/10973"docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1"docStyleId="EF2B578F1D15862ADE45B0C07C620911"docStyleName="EJT.2018-.journal_article.type1"docStyleVersion="14"docTitle="Zospeum constrictum Jochum & Ruthensteiner 2024, sp. nov."docType="treatment"docUuid="350FE557-2298-40E7-A194-737D62B4303E"docUuidSource="ZooBank"docVersion="11"lastPageNumber="42"masterDocId="FF89FFE5FFBAFFC0FFFFD700FFD4FFD4"masterDocTitle="3 D X-ray microscopy (Micro-CT) and SEM reveal Zospeum troglobalcanicum Absolon, 1916 and allied species from the Western Balkans (Ellobioidea: Carychiidae)"masterLastPageNumber="62"masterPageNumber="1"pageNumber="40"updateTime="1722640713706"updateUser="ExternalLinkService"zenodo-license-document="CC-BY-4.0"zenodo-license-figures="CC-BY-4.0"zenodo-license-treatments="UNSPECIFIED">
<mods:titleid="89FBCAE0C94A8B7346C2DD7B1554A285">3 D X-ray microscopy (Micro-CT) and SEM reveal Zospeum troglobalcanicum Absolon, 1916 and allied species from the Western Balkans (Ellobioidea: Carychiidae)</mods:title>
<mods:affiliationid="AF83435C59D56AFE391D3BACDB40C5A3">Senckenberg Research Institute and Natural History Museum, Senckenberganlage 25, D- 60325 Frankfurt / M., Germany.</mods:affiliation>
<mods:affiliationid="DB0C72D7CD83709EEE40F6EC26EF6244">Zoological Institute and Museum, University of Greifswald, Loitzer Strasse 26, D- 17489 Greifswald, Germany.</mods:affiliation>
<mods:affiliationid="63F8AA68E2629C44C4E13823A6989241">Institute for Biochemistry & Biology, University of Potsdam, Karl-Liebknecht-Strasse 24 - 25, House 26, D- 14476 Potsdam, Germany.</mods:affiliation>
<mods:affiliationid="30D186AB39187D34A38D051AB35549DC">Naturhistorisches Museum Bern, Bernastrasse 15, CH- 3005 Bern, Switzerland. & Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, CH- 3012 Bern, Switzerland.</mods:affiliation>
<mods:affiliationid="EF06BFF0F30A47789700AF04ADC97C53">ZOSPEUM, Molluscs, Cave & Karst Biological Consulting, Drnovškova pot 2, Mekinje, SI 1240 Kamnik, Slovenia.</mods:affiliation>
<mods:affiliationid="6ED7F17B2253940ED674BD1E66C724A7">Department of Geology, Faculty of Natural Sciences and Engineering, Aškerčeva 12, University of Ljubljana, 1000 Ljubljana, Slovenia.</mods:affiliation>
<mods:affiliationid="F7369406073CAED2C3F60BCAAA76C012">Naturalis Biodiversity Center and Leiden University, Vondellaan 55, NL- 2332 AA Leiden, The Netherlands.</mods:affiliation>
<taxonomicNameid="4C194D08FF9DFFE7FE30D609FBD7FEF7"ID-CoL="C8NT5"authority="Jochum & Ruthensteiner"authorityName="Jochum & Ruthensteiner"authorityYear="2024"box="[463,1027,265,291]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="39"pageNumber="40"phylum="Mollusca"rank="species"species="constrictum"status="sp. nov.">
<figureCitationid="13222A0EFF9DFFE7FD27D64FFC8FFEBE"box="[728,859,335,362]"captionStart-0="Fig"captionStart-1="Fig"captionStartId-0="39.[191,234,1928,1954]"captionStartId-1="40.[189,232,1822,1848]"captionTargetBox-0="[189,1398,1327,1888]"captionTargetBox-1="[189,1398,514,1783]"captionTargetId-0="figure-209@39.[189,1398,1327,1888]"captionTargetId-1="figure-168@40.[189,1398,514,1783]"captionTargetPageId-0="39"captionTargetPageId-1="40"captionText-0="Fig. 13. Light microscopic images of Zospeum constrictum Jochum & Ruthensteiner sp. nov. (NHMW Mol.Coll.Edlauer 16.693) and collection labels.A. Holotype, aperture, and dorsal views.B–D. Paratypes, aperture and dorsal views."captionText-1="Fig. 14. 3D visualizations of Micro-CT data of Zospeum constrictum Jochum & Ruthensteiner sp. nov. (NHMW Mol.Coll.Edlauer 16.693). A–F. Holotype. A. Aperture and dorsal views. B. Aperture facing right view. C. Apical view showing upper right side of final whorl tucked underneath spire. D. Dorsal view. E. Aperture facing left view. F. Ventral view. G–L. Paratype (Fig. 13B). G. Aperture view. H. Aperture facing right view. I. Apical view showing upper right side of final whorl tucked underneath spire. J. Dorsal view. K. Aperture facing left view. L. Ventral view."figureDoi-0="http://doi.org/10.5281/zenodo.10847842"figureDoi-1="http://doi.org/10.5281/zenodo.10847846"httpUri-0="https://zenodo.org/record/10847842/files/figure.png"httpUri-1="https://zenodo.org/record/10847846/files/figure.png"pageId="39"pageNumber="40">Figs 13–14</figureCitation>
, conical with 5½ irregularly coiled and partially flattened whorls, with ca ⅔ of the last whorl compressed under the penultimate whorl and expanding again at last quarter as it approaches the aperture; entire peristome widely reflected; peristome notch pronounced; columella centrally aligned, smooth with irregularities; no lamella; last ¼ whorl coils high up shell on ventral side with basal palatal lip almost horizontally aligned.
<paragraphid="8BA6368BFF9DFFE7FF42D5BCFB1BFD2D"blockId="39.[189,1398,700,761]"pageId="39"pageNumber="40">This species is named for the tightly compressed coiling and tightening (constricting) of the last whorl placing it partially underneath the penultimate whorl (seen best from apical perspective).</paragraph>
<figureCitationid="13222A0EFF9DFFE7FE98D472FE0AFC59"box="[359,478,882,909]"captionStart="Fig"captionStartId="39.[191,234,1928,1954]"captionTargetBox="[189,1398,1327,1888]"captionTargetId="figure-209@39.[189,1398,1327,1888]"captionTargetPageId="39"captionText="Fig. 13. Light microscopic images of Zospeum constrictum Jochum & Ruthensteiner sp. nov. (NHMW Mol.Coll.Edlauer 16.693) and collection labels.A. Holotype, aperture, and dorsal views.B–D. Paratypes, aperture and dorsal views."figureDoi="http://doi.org/10.5281/zenodo.10847842"httpUri="https://zenodo.org/record/10847842/files/figure.png"pageId="39"pageNumber="40">Figs 13A</figureCitation>
,
<figureCitationid="13222A0EFF9DFFE7FE0FD473FD92FC59"box="[496,582,883,909]"captionStart="Fig"captionStartId="40.[189,232,1822,1848]"captionTargetBox="[189,1398,514,1783]"captionTargetId="figure-168@40.[189,1398,514,1783]"captionTargetPageId="40"captionText="Fig. 14. 3D visualizations of Micro-CT data of Zospeum constrictum Jochum & Ruthensteiner sp. nov. (NHMW Mol.Coll.Edlauer 16.693). A–F. Holotype. A. Aperture and dorsal views. B. Aperture facing right view. C. Apical view showing upper right side of final whorl tucked underneath spire. D. Dorsal view. E. Aperture facing left view. F. Ventral view. G–L. Paratype (Fig. 13B). G. Aperture view. H. Aperture facing right view. I. Apical view showing upper right side of final whorl tucked underneath spire. J. Dorsal view. K. Aperture facing left view. L. Ventral view."figureDoi="http://doi.org/10.5281/zenodo.10847846"httpUri="https://zenodo.org/record/10847846/files/figure.png"pageId="39"pageNumber="40">14A–F</figureCitation>
); “Dalmatien Ostfuss des Biokovogebirge, Grotte bei Turija com. Kuščer” [
<figureCitationid="13222A0EFF9DFFE7FE3CD31DFD8CFBEC"box="[451,600,1053,1080]"captionStart="Fig"captionStartId="39.[191,234,1928,1954]"captionTargetBox="[189,1398,1327,1888]"captionTargetId="figure-209@39.[189,1398,1327,1888]"captionTargetPageId="39"captionText="Fig. 13. Light microscopic images of Zospeum constrictum Jochum & Ruthensteiner sp. nov. (NHMW Mol.Coll.Edlauer 16.693) and collection labels.A. Holotype, aperture, and dorsal views.B–D. Paratypes, aperture and dorsal views."figureDoi="http://doi.org/10.5281/zenodo.10847842"httpUri="https://zenodo.org/record/10847842/files/figure.png"pageId="39"pageNumber="40">Figs 13B–D</figureCitation>
,
<figureCitationid="13222A0EFF9DFFE7FD98D31EFD6BFBEC"box="[615,703,1054,1080]"captionStart="Fig"captionStartId="40.[189,232,1822,1848]"captionTargetBox="[189,1398,514,1783]"captionTargetId="figure-168@40.[189,1398,514,1783]"captionTargetPageId="40"captionText="Fig. 14. 3D visualizations of Micro-CT data of Zospeum constrictum Jochum & Ruthensteiner sp. nov. (NHMW Mol.Coll.Edlauer 16.693). A–F. Holotype. A. Aperture and dorsal views. B. Aperture facing right view. C. Apical view showing upper right side of final whorl tucked underneath spire. D. Dorsal view. E. Aperture facing left view. F. Ventral view. G–L. Paratype (Fig. 13B). G. Aperture view. H. Aperture facing right view. I. Apical view showing upper right side of final whorl tucked underneath spire. J. Dorsal view. K. Aperture facing left view. L. Ventral view."figureDoi="http://doi.org/10.5281/zenodo.10847846"httpUri="https://zenodo.org/record/10847846/files/figure.png"pageId="39"pageNumber="40">14G–L</figureCitation>
<taxonomicNameid="4C194D08FF9DFFE7FD82D089FB72F876"authority="Jochum & Ruthensteiner"authorityName="Jochum & Ruthensteiner"authorityYear="2024"box="[637,1190,1928,1954]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="39"pageNumber="40"phylum="Mollusca"rank="species"species="constrictum"status="sp. nov.">
<taxonomicNameid="4C194D08FF92FFE8FD14D01FFAC1F8EC"authority="Jochum & Ruthensteiner"authorityName="Jochum & Ruthensteiner"authorityYear="2024"box="[747,1301,1822,1848]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="40"pageNumber="41"phylum="Mollusca"rank="species"species="constrictum"status="sp. nov.">
, conical, with 5½ irregularly coiled convex and partially flattened whorls; opaque; aperture ovate; teleoconch sculpture with intervals of irregular blunt growth lines and weak radial banding; ⅔ of the last whorl compressed under the penultimate whorl and expanding again at last quarter as it approaches the aperture; peristome entirely reflected; aperture higher than wide; peristome thickly callused on parietal shield and on basal columellar side, columellar side roundish and slightly expanded; parietal shield straight with pronounced notch at upper parietal and palatal junction; height of last whorl greater than half of shell height; upper rim of peristome recedes ca
the width of the penultimate whorl (aperture facing left); last part of body whorl widens towards the aperture (aperture facing left) such that the spire appears to be sinking into the body whorl; columella centrally aligned, moderately thick, either smooth with bumpy irregularities and/or with a partial lamella positioned above mid-section of columella; ventral side swollen with shallow umbilical depression; columellar side of peristome positioned directly above umbilical depression with final coiling of last whorl high up shell on ventral side with peristome base almost horizontally aligned due to minimal basal reflection (
<figureCitationid="13222A0EFF93FFE9FB25D5AFFABCFD1D"box="[1242,1384,687,713]"captionStart="Fig"captionStartId="40.[189,232,1822,1848]"captionTargetBox="[189,1398,514,1783]"captionTargetId="figure-168@40.[189,1398,514,1783]"captionTargetPageId="40"captionText="Fig. 14. 3D visualizations of Micro-CT data of Zospeum constrictum Jochum & Ruthensteiner sp. nov. (NHMW Mol.Coll.Edlauer 16.693). A–F. Holotype. A. Aperture and dorsal views. B. Aperture facing right view. C. Apical view showing upper right side of final whorl tucked underneath spire. D. Dorsal view. E. Aperture facing left view. F. Ventral view. G–L. Paratype (Fig. 13B). G. Aperture view. H. Aperture facing right view. I. Apical view showing upper right side of final whorl tucked underneath spire. J. Dorsal view. K. Aperture facing left view. L. Ventral view."figureDoi="http://doi.org/10.5281/zenodo.10847846"httpUri="https://zenodo.org/record/10847846/files/figure.png"pageId="41"pageNumber="42">Fig. 14F, L</figureCitation>
<taxonomicNameid="4C194D08FF93FFE9FDB1D4D6FBFEFC24"authority="Jochum & Ruthensteiner"authorityName="Jochum & Michalik & Inäbnit & Kneubühler & Slapnik & Vrabec & Schilthuizen & Ruthensteiner"authorityYear="2024"box="[590,1066,982,1008]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="41"pageNumber="42"phylum="Mollusca"rank="species"species="tortuosum"status="sp. nov.">
<taxonomicNameid="4C194D08FF93FFE9FB51D4D6FE3DFBC7"authority="Jochum & Ruthensteiner"authorityName="Jochum & Michalik & Inäbnit & Kneubühler & Slapnik & Vrabec & Schilthuizen & Ruthensteiner"authorityYear="2024"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="41"pageNumber="42"phylum="Mollusca"rank="species"species="dubokidoense"status="sp. nov.">
<taxonomicNameid="4C194D08FF93FFE9FD99D4FAFB02FBC7"authority="Jochum, Schilthuizen & Ruthensteiner"authorityName="Jochum, Schilthuizen & Ruthensteiner"authorityYear="2024"box="[614,1238,1017,1043]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="41"pageNumber="42"phylum="Mollusca"rank="species"species="njunjicae"status="sp. nov.">
<taxonomicNameid="4C194D08FF93FFE9FF42D31DFEECFBE2"authorityName="Inabnit, Jochum & Neubert"authorityYear="2021"box="[189,312,1052,1078]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="41"pageNumber="42"phylum="Mollusca"rank="species"species="simplex">
in that the towering spire projects above the body whorl, causing the body whorl to almost disappear underneath the right side of the penultimate whorl before the aperture when studied in apical view (
<figureCitationid="13222A0EFF93FFE9FEF8D362FE5DFBA9"box="[263,393,1122,1149]"captionStart="Fig"captionStartId="40.[189,232,1822,1848]"captionTargetBox="[189,1398,514,1783]"captionTargetId="figure-168@40.[189,1398,514,1783]"captionTargetPageId="40"captionText="Fig. 14. 3D visualizations of Micro-CT data of Zospeum constrictum Jochum & Ruthensteiner sp. nov. (NHMW Mol.Coll.Edlauer 16.693). A–F. Holotype. A. Aperture and dorsal views. B. Aperture facing right view. C. Apical view showing upper right side of final whorl tucked underneath spire. D. Dorsal view. E. Aperture facing left view. F. Ventral view. G–L. Paratype (Fig. 13B). G. Aperture view. H. Aperture facing right view. I. Apical view showing upper right side of final whorl tucked underneath spire. J. Dorsal view. K. Aperture facing left view. L. Ventral view."figureDoi="http://doi.org/10.5281/zenodo.10847846"httpUri="https://zenodo.org/record/10847846/files/figure.png"pageId="41"pageNumber="42">Fig. 14C, I</figureCitation>
). It differs from these species in that the penultimate whorl extends beyond the upper righthand side of the body whorl such that it disappears under the spire while the last part of coiling extends beyond the shell spire causing the peristome to conspicuously flare out from beneath it. In
<taxonomicNameid="4C194D08FF93FFE9FF42D3CDFE83FB32"authorityName="Jochum & Michalik & Inäbnit & Kneubühler & Slapnik & Vrabec & Schilthuizen & Ruthensteiner"authorityYear="2024"box="[189,343,1229,1254]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="41"pageNumber="42"phylum="Mollusca"rank="species"species="tortuosum">
<taxonomicNameid="4C194D08FF93FFE9FE96D3CDFDFAFB32"authorityName="Jochum & Michalik & Inäbnit & Kneubühler & Slapnik & Vrabec & Schilthuizen & Ruthensteiner"authorityYear="2024"box="[361,558,1228,1254]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="41"pageNumber="42"phylum="Mollusca"rank="species"species="dubokidoense">
<taxonomicNameid="4C194D08FF93FFE9FD93D3CDFD3DFB32"authorityName="Inabnit, Jochum & Neubert"authorityYear="2021"box="[620,745,1228,1254]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="41"pageNumber="42"phylum="Mollusca"rank="species"species="simplex">