<documentid="613389CC93EA48BA1F8465A132F73779"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="03B0879DFF9AFFE1FE3ED609FCA1F99A"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 amplioscutum Jochum & Ruthensteiner 2024, sp. nov."docType="treatment"docUuid="870FA5D2-6A9A-43AA-A533-B25CFC89A96D"docUuidSource="ZooBank"docVersion="10"lastPageNumber="34"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="33"updateTime="1722640713706"updateUser="ExternalLinkService"zenodo-license-document="CC-BY-4.0"zenodo-license-figures="CC-BY-4.0"zenodo-license-treatments="UNSPECIFIED">
<mods:titleid="11C17FED4237E16643BBD710A798A04E">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="10110EA194CBFE153EBF68D3801A1442">Senckenberg Research Institute and Natural History Museum, Senckenberganlage 25, D- 60325 Frankfurt / M., Germany.</mods:affiliation>
<mods:affiliationid="641B04721FACD86B54CEA6E567842FD6">Zoological Institute and Museum, University of Greifswald, Loitzer Strasse 26, D- 17489 Greifswald, Germany.</mods:affiliation>
<mods:affiliationid="891709C404C113CACFFFC17C070E450C">Institute for Biochemistry & Biology, University of Potsdam, Karl-Liebknecht-Strasse 24 - 25, House 26, D- 14476 Potsdam, Germany.</mods:affiliation>
<mods:affiliationid="DCCC022F390D32A7F976E366D9C3361B">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="95CE3FF9CA5CE2427DA2A7CDC5A63704">ZOSPEUM, Molluscs, Cave & Karst Biological Consulting, Drnovškova pot 2, Mekinje, SI 1240 Kamnik, Slovenia.</mods:affiliation>
<mods:affiliationid="6325D41DAC84D26962847200C50F97BC">Department of Geology, Faculty of Natural Sciences and Engineering, Aškerčeva 12, University of Ljubljana, 1000 Ljubljana, Slovenia.</mods:affiliation>
<mods:affiliationid="49F7794E33C2ABCE1C50A8C268614A2A">Naturalis Biodiversity Center and Leiden University, Vondellaan 55, NL- 2332 AA Leiden, The Netherlands.</mods:affiliation>
<taxonomicNameid="4C194D08FF9AFFE0FE3ED609FBC5FEF6"ID-CoL="C8NT2"authority="Jochum & Ruthensteiner"authorityName="Jochum & Ruthensteiner"authorityYear="2024"box="[449,1041,264,291]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="32"pageNumber="33"phylum="Mollusca"rank="species"species="amplioscutum"status="sp. nov.">
<figureCitationid="13222A0EFF9AFFE0FD08D64FFCE8FEBD"box="[759,828,335,361]"captionStart="Fig"captionStartId="32.[189,232,1787,1813]"captionTargetBox="[187,1396,810,1746]"captionTargetId="figure-200@32.[187,1396,810,1746]"captionTargetPageId="32"captionText="Fig. 9. Zospeum amplioscutum Jochum & Ruthensteiner sp. nov., (NHMW Mol.Coll.Edlauer 19.069) with sample labels. A. Light microscopic images of paratype (NHMW Mol.Coll.Edlauer 19.069), apertural and dorsal views.B. Light microscopic images of holotype (NHMW Mol.Coll.Edlauer 19.069), aperture and dorsal views. C–H. 3D visualizations of X-ray Micro-CT data of holotype (NHMW Mol. Coll.Edlauer 19.069). C. Aperture view. D. Aperture facing right view. E. Apical view. F. Dorsal view. G. Aperture facing left view. H. Ventral view showing coiling projecting high up on shell and peristome oblique to umbilicus."figureDoi="http://doi.org/10.5281/zenodo.10847828"httpUri="https://zenodo.org/record/10847828/files/figure.png"pageId="32"pageNumber="33">Fig. 9</figureCitation>
, conical with 5½ irregularly convex whorls; peristome thickly callused on columellar side causing it to project beyond plane of shell (ventral side view); parietal shield well defined, positioned conspicuously high on body whorl and heavily callused; columella slender (aperture facing right) (
<figureCitationid="13222A0EFF9AFFE0FE9ED528FE6AFD97"box="[353,446,552,579]"captionStart="Fig"captionStartId="32.[189,232,1787,1813]"captionTargetBox="[187,1396,810,1746]"captionTargetId="figure-200@32.[187,1396,810,1746]"captionTargetPageId="32"captionText="Fig. 9. Zospeum amplioscutum Jochum & Ruthensteiner sp. nov., (NHMW Mol.Coll.Edlauer 19.069) with sample labels. A. Light microscopic images of paratype (NHMW Mol.Coll.Edlauer 19.069), apertural and dorsal views.B. Light microscopic images of holotype (NHMW Mol.Coll.Edlauer 19.069), aperture and dorsal views. C–H. 3D visualizations of X-ray Micro-CT data of holotype (NHMW Mol. Coll.Edlauer 19.069). C. Aperture view. D. Aperture facing right view. E. Apical view. F. Dorsal view. G. Aperture facing left view. H. Ventral view showing coiling projecting high up on shell and peristome oblique to umbilicus."figureDoi="http://doi.org/10.5281/zenodo.10847828"httpUri="https://zenodo.org/record/10847828/files/figure.png"pageId="32"pageNumber="33">Fig. 9D</figureCitation>
) with two weak, incomplete lamellae. Last ¼ of body whorl elongate on ventral side.
<paragraphid="8BA6368BFF9AFFE0FF42D5BCFB6AFD02"blockId="32.[189,1214,700,726]"box="[189,1214,700,726]"pageId="32"pageNumber="33">This species is named after the characteristic, large and heavily callused parietal shield.</paragraph>
<taxonomicNameid="4C194D08FF9AFFE0FEE9D1FCFC8BF8C1"authority="Jochum & Ruthensteiner"authorityName="Jochum & Ruthensteiner"authorityYear="2024"box="[278,863,1787,1813]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="32"pageNumber="33"phylum="Mollusca"rank="species"species="amplioscutum"status="sp. nov.">
<figureCitationid="13222A0EFF9BFFE1FE9ED65AFE6BFEA0"box="[353,447,346,372]"captionStart="Fig"captionStartId="32.[189,232,1787,1813]"captionTargetBox="[187,1396,810,1746]"captionTargetId="figure-200@32.[187,1396,810,1746]"captionTargetPageId="32"captionText="Fig. 9. Zospeum amplioscutum Jochum & Ruthensteiner sp. nov., (NHMW Mol.Coll.Edlauer 19.069) with sample labels. A. Light microscopic images of paratype (NHMW Mol.Coll.Edlauer 19.069), apertural and dorsal views.B. Light microscopic images of holotype (NHMW Mol.Coll.Edlauer 19.069), aperture and dorsal views. C–H. 3D visualizations of X-ray Micro-CT data of holotype (NHMW Mol. Coll.Edlauer 19.069). C. Aperture view. D. Aperture facing right view. E. Apical view. F. Dorsal view. G. Aperture facing left view. H. Ventral view showing coiling projecting high up on shell and peristome oblique to umbilicus."figureDoi="http://doi.org/10.5281/zenodo.10847828"httpUri="https://zenodo.org/record/10847828/files/figure.png"pageId="33"pageNumber="34">Fig. 9B</figureCitation>
); “Adria, Insel Brać (Brazza) Bazgova jama, com. Kuščer” [
<locationid="8EC66050FF9BFFE1FAF2D65AFF20FE4C"LSID="urn:lsid:plazi:treatment:03B0879DFF9AFFE1FE3ED609FCA1F99A:8EC66050FF9BFFE1FAF2D65AFF20FE4C"country="Croatia"county="Kuscer"latitude="43.2918"longLatPrecision="6"longitude="16.6469"municipality="Jama Bazdovaca"name="Island of Brac"pageId="33"pageNumber="34">Island of Brać</location>
<figureCitationid="13222A0EFF9BFFE1FE4AD505FDC0FDCB"box="[437,532,517,543]"captionStart="Fig"captionStartId="32.[189,232,1787,1813]"captionTargetBox="[187,1396,810,1746]"captionTargetId="figure-200@32.[187,1396,810,1746]"captionTargetPageId="32"captionText="Fig. 9. Zospeum amplioscutum Jochum & Ruthensteiner sp. nov., (NHMW Mol.Coll.Edlauer 19.069) with sample labels. A. Light microscopic images of paratype (NHMW Mol.Coll.Edlauer 19.069), apertural and dorsal views.B. Light microscopic images of holotype (NHMW Mol.Coll.Edlauer 19.069), aperture and dorsal views. C–H. 3D visualizations of X-ray Micro-CT data of holotype (NHMW Mol. Coll.Edlauer 19.069). C. Aperture view. D. Aperture facing right view. E. Apical view. F. Dorsal view. G. Aperture facing left view. H. Ventral view showing coiling projecting high up on shell and peristome oblique to umbilicus."figureDoi="http://doi.org/10.5281/zenodo.10847828"httpUri="https://zenodo.org/record/10847828/files/figure.png"pageId="33"pageNumber="34">Fig. 9A</figureCitation>
with 5½ irregularly convex whorls bearing numerous, course irregular growth lines; aperture lunate-reniform; peristome narrow on upper palatal side, pronounced notch present at upper junction with parietal shield, lower columellar side of peristome rounded and thickly callused, causing it to project beyond plane of shell (aperture facing left), rim narrowly reflected with some low, irregular ribbing behind basal-palatal part; rim recedes ca ⅛ width of penultimate whorl; parietal shield long, angular, thickly callused, extending ⅓ to ½ the height of the body whorl, with a curved edge at point of maximum whorl convexity; columella centrally aligned, slender with hint of two weak incomplete lamellae, the first tightly positioned under the penultimate whorl, the second, a wider band loosely positioned below it, and a slight bulge at base; umbilical region callused with a shallow depression; (ventral view) columellar side of peristome positioned high, arching above and to the right of umbilical depression, alignment of last ¼ whorl elongate, not compact.
<taxonomicNameid="4C194D08FF9BFFE1FEDED23EFCC2FA83"authority="Jochum & Ruthensteiner"authorityName="Jochum & Ruthensteiner"authorityYear="2024"box="[289,790,1341,1367]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="33"pageNumber="34"phylum="Mollusca"rank="species"species="amplioscutum"status="sp. nov.">
<taxonomicNameid="4C194D08FF9BFFE1FBFED23EFBAFFA83"authorityName="Inabnit, Jochum & Neubert"authorityYear="2021"box="[1025,1147,1341,1367]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="33"pageNumber="34"phylum="Mollusca"rank="species"species="simplex">
, the heavily callused parietal shield and the degree of its extension onto the body whorl differs from that of this species. It is smaller, has a wider spire angle and a substantially more textured teleoconch due to the numerous, course irregular growth lines in comparison to that of
<taxonomicNameid="4C194D08FF9BFFE1FCAFD2A7FC18FA15"authorityName="Inabnit, Jochum & Neubert"authorityYear="2021"box="[848,972,1447,1473]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="33"pageNumber="34"phylum="Mollusca"rank="species"species="simplex">
<taxonomicNameid="4C194D08FF9BFFE1FC21D2A7FB79FA15"authorityName="Inabnit, Jochum & Neubert"authorityYear="2021"box="[990,1197,1447,1473]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="33"pageNumber="34"phylum="Mollusca"rank="species"species="simplex">
does not have a second lamella on the columella (aperture facing right) (
<figureCitationid="13222A0EFF9BFFE1FCB5D2CAFC65FA30"box="[842,945,1482,1508]"captionStart="Fig"captionStartId="48.[189,232,1857,1883]"captionTargetBox="[186,1395,563,1819]"captionTargetId="figure-152@48.[186,1395,563,1819]"captionTargetPageId="48"captionText="Fig. 18. 3D visualizations of Micro-CT data of Zospeum simplex Inäbnit, Jochum & Neubert, 2021, (NMHW-MO-113642 ex RSC 3760) from Dobravljevac jama, Gornji Brišnik, Bosnia and Herzegovina. A–F. Specimen 1 (spm1). A. Aperture view. B. Aperture facing right view. C. Apical view. D. Dorsal view. E. Aperture facing left view. F. Ventral view. G–L. Specimen 2 (spm2). Same perspectives as Specimen 1."figureDoi="http://doi.org/10.5281/zenodo.10847858"httpUri="https://zenodo.org/record/10847858/files/figure.png"pageId="33"pageNumber="34">Fig. 18B</figureCitation>
) but weak ripples of a potential double one (
<figureCitationid="13222A0EFF9BFFE1FF06D2EDFEB2F9D3"box="[249,358,1517,1543]"captionStart="Fig"captionStartId="48.[189,232,1857,1883]"captionTargetBox="[186,1395,563,1819]"captionTargetId="figure-152@48.[186,1395,563,1819]"captionTargetPageId="48"captionText="Fig. 18. 3D visualizations of Micro-CT data of Zospeum simplex Inäbnit, Jochum & Neubert, 2021, (NMHW-MO-113642 ex RSC 3760) from Dobravljevac jama, Gornji Brišnik, Bosnia and Herzegovina. A–F. Specimen 1 (spm1). A. Aperture view. B. Aperture facing right view. C. Apical view. D. Dorsal view. E. Aperture facing left view. F. Ventral view. G–L. Specimen 2 (spm2). Same perspectives as Specimen 1."figureDoi="http://doi.org/10.5281/zenodo.10847858"httpUri="https://zenodo.org/record/10847858/files/figure.png"pageId="33"pageNumber="34">Fig. 18D</figureCitation>
) or a stronger, incomplete single one in dorsal view (
<figureCitationid="13222A0EFF9BFFE1FC0ED2EDFB82F9D3"box="[1009,1110,1517,1543]"captionStart="Fig"captionStartId="48.[189,232,1857,1883]"captionTargetBox="[186,1395,563,1819]"captionTargetId="figure-152@48.[186,1395,563,1819]"captionTargetPageId="48"captionText="Fig. 18. 3D visualizations of Micro-CT data of Zospeum simplex Inäbnit, Jochum & Neubert, 2021, (NMHW-MO-113642 ex RSC 3760) from Dobravljevac jama, Gornji Brišnik, Bosnia and Herzegovina. A–F. Specimen 1 (spm1). A. Aperture view. B. Aperture facing right view. C. Apical view. D. Dorsal view. E. Aperture facing left view. F. Ventral view. G–L. Specimen 2 (spm2). Same perspectives as Specimen 1."figureDoi="http://doi.org/10.5281/zenodo.10847858"httpUri="https://zenodo.org/record/10847858/files/figure.png"pageId="33"pageNumber="34">Fig. 18J</figureCitation>
). The narrow columella (
<figureCitationid="13222A0EFF9BFFE1FF39D110FE91F9FE"box="[198,325,1552,1578]"captionStart="Fig"captionStartId="32.[189,232,1787,1813]"captionTargetBox="[187,1396,810,1746]"captionTargetId="figure-200@32.[187,1396,810,1746]"captionTargetPageId="32"captionText="Fig. 9. Zospeum amplioscutum Jochum & Ruthensteiner sp. nov., (NHMW Mol.Coll.Edlauer 19.069) with sample labels. A. Light microscopic images of paratype (NHMW Mol.Coll.Edlauer 19.069), apertural and dorsal views.B. Light microscopic images of holotype (NHMW Mol.Coll.Edlauer 19.069), aperture and dorsal views. C–H. 3D visualizations of X-ray Micro-CT data of holotype (NHMW Mol. Coll.Edlauer 19.069). C. Aperture view. D. Aperture facing right view. E. Apical view. F. Dorsal view. G. Aperture facing left view. H. Ventral view showing coiling projecting high up on shell and peristome oblique to umbilicus."figureDoi="http://doi.org/10.5281/zenodo.10847828"httpUri="https://zenodo.org/record/10847828/files/figure.png"pageId="33"pageNumber="34">Fig. 9C–D</figureCitation>
) and the elongation of the last whorl further beyond the umbilical depression (ventral side) additionally differentiate
<taxonomicNameid="4C194D08FF9BFFE1FE18D134FD78F999"authorityName="Jochum & Ruthensteiner"authorityYear="2024"box="[487,684,1587,1613]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="33"pageNumber="34"phylum="Mollusca"rank="species"species="amplioscutum">
<taxonomicNameid="4C194D08FF9BFFE1FD0BD134FCB9F999"authorityName="Inabnit, Jochum & Neubert"authorityYear="2021"box="[756,877,1587,1613]"class="Gastropoda"family="Ellobiidae"genus="Zospeum"kingdom="Animalia"order="Ellobiida"pageId="33"pageNumber="34"phylum="Mollusca"rank="species"species="simplex">
