441 lines
59 KiB
XML
441 lines
59 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zse.96.53880" ID-GBIF-Dataset="0774b882-6f2c-4e40-9c68-f1bfc7ab9a89" ID-GBIF-Taxon="167616207" ID-Pensoft-Pub="1860-0743-2-639" ID-Pensoft-UUID="CAAAD680FE085A00AF65F25312FA33BA" ID-ZooBank="D5EFEC82F5FE41F69AE4889083A9AE8A" LSID="urn:lsid:zoobank.org:act:3956C96C-C6EB-4044-93C3-52180331AB08" ModsDocID="1860-0743-2-639" checkinTime="1600294185714" checkinUser="pensoft" docAuthor="Simone, Luiz Ricardo L., Cavallari, Daniel Caracanhas & Salvador, Rodrigo Brincalepe" docDate="2020" docId="3FDB4C4AD5415B308A9E5CAC6B24CE13" docLanguage="en" docName="ZoosystEvol 96(2): 639-647" docOrigin="Zoosystematics and Evolution 96 (2)" docSource="http://dx.doi.org/10.3897/zse.96.53880" docTitle="Habeastrum strangei Simone & Cavallari & Salvador 2020, sp. nov." docType="treatment" docUuid="3956C96C-C6EB-4044-93C3-52180331AB08" docUuidSource="ZooBank" docVersion="3" id="CAAAD680FE085A00AF65F25312FA33BA" lastPageNumber="639" masterDocId="CAAAD680FE085A00AF65F25312FA33BA" masterDocTitle="A new troglobite species of Habeastrum Simone, 2019 from Brazil, and support for classification in Diplommatinidae (Mollusca, Caenogastropoda)" masterLastPageNumber="647" masterPageNumber="639" pageId="0" pageNumber="639" updateTime="1643446197537" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A new troglobite species of Habeastrum Simone, 2019 from Brazil, and support for classification in Diplommatinidae (Mollusca, Caenogastropoda)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Simone, Luiz Ricardo L.</mods:namePart>
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<mods:affiliation>Museu de Zoologia da Universidade de Sao Paulo. Avenida Nazare 481, 04263 - 000, Sao Paulo, SP, Brazil</mods:affiliation>
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<mods:nameIdentifier type="email">lrlsimone@usp.br</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Cavallari, Daniel Caracanhas</mods:namePart>
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<mods:affiliation>Faculdade de Filosofia, Ciencias e Letras de Ribeirao Preto da Universidade de Sao Paulo. Avenida Bandeirantes 3900, 14040 - 900, Ribeirao Preto, SP, Brazil</mods:affiliation>
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<mods:nameIdentifier type="orcid">https://orcid.org/0000-0003-3104-6434</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Salvador, Rodrigo Brincalepe</mods:namePart>
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<mods:affiliation>Museum of New Zealand Te Papa Tongarewa. 169 Tory Street, 6011, Wellington, New Zealand</mods:affiliation>
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<mods:nameIdentifier type="orcid">https://orcid.org/0000-0002-4238-2276</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>Zoosystematics and Evolution</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>96</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>2</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>639</mods:start>
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<mods:end>647</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zse.96.53880</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zse.96.53880</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1860-0743-2-639</mods:identifier>
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<mods:identifier type="ZooBank">D5EFEC82F5FE41F69AE4889083A9AE8A</mods:identifier>
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<mods:identifier type="Pensoft-UUID">CAAAD680FE085A00AF65F25312FA33BA</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="167616207" LSID="urn:lsid:zoobank.org:act:3956C96C-C6EB-4044-93C3-52180331AB08" httpUri="http://treatment.plazi.org/id/3FDB4C4AD5415B308A9E5CAC6B24CE13" lastPageNumber="639" pageId="0" pageNumber="639">
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<subSubSection pageId="0" pageNumber="639" type="nomenclature">
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<paragraph pageId="0" pageNumber="639">
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<taxonomicName LSID="3FDB4C4A-D541-5B30-8A9E-5CAC6B24CE13" authority="Simone & Cavallari & Salvador, 2020" authorityName="Simone & Cavallari & Salvador" authorityYear="2020" class="Gastropoda" family="Diplommatinidae" genus="Habeastrum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Habeastrum strangei" order="Architaenioglossa" pageId="0" pageNumber="639" phylum="Mollusca" rank="species" species="strangei" status="sp. nov.">Habeastrum strangei</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="639">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Shells of Habeastrum strangei sp. nov. A-E. specimens before shell crushing for anatomical study (MZSP 137145); A. spm 1 apertural view, soft body seen by translucency (1.6 mm high); B. same, dorsal view; C. same, umbilical view (1.1 mm wide); D. spm 2, apertural view (1.9 mm high); E. operculum of spm 1, outer view (0.4 mm wide); F-H. SEM images of shells, all in same scale for comparison; F. holotype, adult (MZSP 151626); G. paratype, juvenile (MZSP 151628); H. juvenile (MZSP 150023)." figureDoi="10.3897/zse.96.53880.figure1" httpUri="https://binary.pensoft.net/fig/453317" pageId="0" pageNumber="639">Figs 1</figureCitation>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. SEM images of Habeastrum strangei sp. nov. A. protoconch detail (MZSP 150023); B-E. Radula (MZSP 137145), in different views. Scale bars: 100 μm (A.); 5 μm (B-E.)." figureDoi="10.3897/zse.96.53880.figure2" httpUri="https://binary.pensoft.net/fig/453318" pageId="0" pageNumber="639">, 2</figureCitation>
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">, 3</figureCitation>
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Anatomy of Habeastrum strangei sp. nov. A. pallial cavity roof, female, ventral view; B. central nervous system (nerve ring), ventral view; C. penis and adjacent region of nuchal surface, dorsal view. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure4" httpUri="https://binary.pensoft.net/fig/453320" pageId="0" pageNumber="639">, 4</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="639" type="type material">
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<paragraph pageId="0" pageNumber="639">Type material.</paragraph>
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<paragraph pageId="0" pageNumber="639">
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Holotype MZSP 151626 (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Shells of Habeastrum strangei sp. nov. A-E. specimens before shell crushing for anatomical study (MZSP 137145); A. spm 1 apertural view, soft body seen by translucency (1.6 mm high); B. same, dorsal view; C. same, umbilical view (1.1 mm wide); D. spm 2, apertural view (1.9 mm high); E. operculum of spm 1, outer view (0.4 mm wide); F-H. SEM images of shells, all in same scale for comparison; F. holotype, adult (MZSP 151626); G. paratype, juvenile (MZSP 151628); H. juvenile (MZSP 150023)." figureDoi="10.3897/zse.96.53880.figure1" httpUri="https://binary.pensoft.net/fig/453317" pageId="0" pageNumber="639">1F</figureCitation>
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). Paratypes: MZSP 151628 (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Shells of Habeastrum strangei sp. nov. A-E. specimens before shell crushing for anatomical study (MZSP 137145); A. spm 1 apertural view, soft body seen by translucency (1.6 mm high); B. same, dorsal view; C. same, umbilical view (1.1 mm wide); D. spm 2, apertural view (1.9 mm high); E. operculum of spm 1, outer view (0.4 mm wide); F-H. SEM images of shells, all in same scale for comparison; F. holotype, adult (MZSP 151626); G. paratype, juvenile (MZSP 151628); H. juvenile (MZSP 150023)." figureDoi="10.3897/zse.96.53880.figure1" httpUri="https://binary.pensoft.net/fig/453317" pageId="0" pageNumber="639">1G</figureCitation>
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), MZSP 137432, MZSP 137475, MZSP 147862, MZSP 147863 (all from type locality).
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</paragraph>
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<caption doi="10.3897/zse.96.53880.figure1" httpUri="https://binary.pensoft.net/fig/453317" pageId="0" pageNumber="639" start="Figure 1" startId="F1">
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<paragraph pageId="0" pageNumber="639">
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<emphasis bold="true" pageId="0" pageNumber="639">Figure 1.</emphasis>
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Shells of
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<taxonomicName authorityName="Simone & Cavallari & Salvador" authorityYear="2020" class="Gastropoda" family="Diplommatinidae" genus="Habeastrum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Habeastrum strangei" order="Architaenioglossa" pageId="0" pageNumber="639" phylum="Mollusca" rank="species" species="strangei">
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<emphasis italics="true" pageId="0" pageNumber="639">Habeastrum strangei</emphasis>
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</taxonomicName>
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sp. nov.
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<emphasis bold="true" pageId="0" pageNumber="639">A-E.</emphasis>
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specimens before shell crushing for anatomical study (MZSP 137145);
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<emphasis bold="true" pageId="0" pageNumber="639">A.</emphasis>
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spm #1 apertural view, soft body seen by translucency (1.6 mm high);
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<emphasis bold="true" pageId="0" pageNumber="639">B.</emphasis>
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same, dorsal view;
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<emphasis bold="true" pageId="0" pageNumber="639">C.</emphasis>
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same, umbilical view (1.1 mm wide);
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<emphasis bold="true" pageId="0" pageNumber="639">D.</emphasis>
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spm #2, apertural view (1.9 mm high);
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<emphasis bold="true" pageId="0" pageNumber="639">E.</emphasis>
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operculum of spm #1, outer view (0.4 mm wide);
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<emphasis bold="true" pageId="0" pageNumber="639">F-H.</emphasis>
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SEM images of shells, all in same scale for comparison;
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<emphasis bold="true" pageId="0" pageNumber="639">F.</emphasis>
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holotype, adult (MZSP 151626);
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<emphasis bold="true" pageId="0" pageNumber="639">G.</emphasis>
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paratype, juvenile (MZSP 151628);
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<emphasis bold="true" pageId="0" pageNumber="639">H.</emphasis>
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juvenile (MZSP 150023).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="639" type="type locality">
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<paragraph pageId="0" pageNumber="639">Type locality.</paragraph>
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<paragraph pageId="0" pageNumber="639">
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Brazil, Minas Gerais state, Presidente
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<normalizedToken originalValue="Olegário">Olegario</normalizedToken>
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municipality, Lapa da Fazenda
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<normalizedToken originalValue="São">Sao</normalizedToken>
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Bernardo (
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<geoCoordinate degrees="18" direction="south" minutes="16" orientation="latitude" precision="15" seconds="37" value="-18.276945">18°16'37"S</geoCoordinate>
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,
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<geoCoordinate degrees="46" direction="west" minutes="06" orientation="longitude" precision="15" seconds="46" value="-46.112778">46°06'46"W</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="639" type="materials_examined">
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<paragraph pageId="0" pageNumber="639">Additional material.</paragraph>
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<paragraph pageId="0" pageNumber="639">
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Brazil. Minas Gerais. Pains municipality: Gruta dos
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<normalizedToken originalValue="Coralóides">Coraloides</normalizedToken>
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(
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<geoCoordinate degrees="20" direction="south" minutes="20" orientation="latitude" precision="1" seconds="33.4" value="-20.342611">20°20'33.4"S</geoCoordinate>
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,
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<geoCoordinate degrees="45" direction="west" minutes="46" orientation="longitude" precision="1" seconds="45.7" value="-45.77936">45°46'45.7"W</geoCoordinate>
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), MZSP 106471; Caverna CBA (
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<geoCoordinate degrees="20" direction="south" minutes="17" orientation="latitude" precision="1" seconds="43.8" value="-20.2955">20°17'43.8"S</geoCoordinate>
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,
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<geoCoordinate degrees="45" direction="west" minutes="47" orientation="longitude" precision="1" seconds="18.0" value="-45.788334">45°47'18.0"W</geoCoordinate>
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), MZSP 106481. Pedro Leopoldo municipality: unnamed cave (
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<geoCoordinate degrees="19" direction="south" minutes="37" orientation="latitude" precision="15" seconds="50" value="-19.630556">19°37'50"S</geoCoordinate>
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,
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<geoCoordinate degrees="44" direction="west" minutes="00" orientation="longitude" precision="15" seconds="25" value="-44.006943">44°00'25"W</geoCoordinate>
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): MZSP 147121, MZSP 147130, MZSP 147134. Piumhi municipality: unnamed caves (
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<geoCoordinate degrees="20" direction="south" minutes="20" orientation="latitude" precision="15" seconds="45" value="-20.345835">20°20'45"S</geoCoordinate>
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,
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<geoCoordinate degrees="45" direction="west" minutes="50" orientation="longitude" precision="15" seconds="55" value="-45.84861">45°50'55"W</geoCoordinate>
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) MZSP 147445; (
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<geoCoordinate degrees="20" direction="south" minutes="20" orientation="latitude" precision="15" seconds="46" value="-20.346111">20°20'46"S</geoCoordinate>
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,
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<geoCoordinate degrees="45" direction="west" minutes="50" orientation="longitude" precision="15" seconds="56" value="-45.84889">45°50'56"W</geoCoordinate>
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), MZSP 147442, MZSP 147433, MZSP 147462; (
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<geoCoordinate degrees="20" direction="south" minutes="20" orientation="latitude" precision="15" seconds="51" value="-20.3475">20°20'51"S</geoCoordinate>
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,
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<geoCoordinate degrees="45" direction="west" minutes="50" orientation="longitude" precision="15" seconds="54" value="-45.84833">45°50'54"W</geoCoordinate>
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), MZSP 147464; (
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<geoCoordinate degrees="20" direction="south" minutes="20" orientation="latitude" precision="15" seconds="57" value="-20.349167">20°20'57"S</geoCoordinate>
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,
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<geoCoordinate degrees="45" direction="west" minutes="50" orientation="longitude" precision="15" seconds="45" value="-45.845833">45°50'45"W</geoCoordinate>
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), MZSP 147437, MZSP 147438, MZSP 147439, MZSP 147446; (
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<geoCoordinate degrees="20" direction="south" minutes="20" orientation="latitude" precision="15" seconds="59" value="-20.349722">20°20'59"S</geoCoordinate>
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,
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<geoCoordinate degrees="45" direction="west" minutes="50" orientation="longitude" precision="15" seconds="45" value="-45.845833">45°50'45"W</geoCoordinate>
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), MZSP 147467; (
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<geoCoordinate degrees="20" direction="south" minutes="21" orientation="latitude" precision="15" seconds="05" value="-20.351389">20°21'05"S</geoCoordinate>
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,
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<geoCoordinate degrees="45" direction="west" minutes="50" orientation="longitude" precision="15" seconds="28" value="-45.84111">45°50'28"W</geoCoordinate>
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), MZSP 147441; (
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<geoCoordinate degrees="20" direction="south" minutes="21" orientation="latitude" precision="15" seconds="06" value="-20.351667">20°21'06"S</geoCoordinate>
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,
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<geoCoordinate degrees="45" direction="west" minutes="50" orientation="longitude" precision="15" seconds="21" value="-45.839165">45°50'21"W</geoCoordinate>
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), MZSP 147671. Presidente
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<normalizedToken originalValue="Olegário">Olegario</normalizedToken>
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municipality: Lapa da Juruva (
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<geoCoordinate degrees="18" direction="south" minutes="19" orientation="latitude" precision="15" seconds="19" value="-18.321945">18°19'19"S</geoCoordinate>
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,
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<geoCoordinate degrees="46" direction="west" minutes="04" orientation="longitude" precision="15" seconds="53" value="-46.081387">46°04'53"W</geoCoordinate>
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), MZSP 147864; Lapa do Moacir (
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<geoCoordinate degrees="18" direction="south" minutes="11" orientation="latitude" precision="15" seconds="10" value="-18.18611">18°11'10"S</geoCoordinate>
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,
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<geoCoordinate degrees="46" direction="west" minutes="09" orientation="longitude" precision="15" seconds="34" value="-46.159447">46°09'34"W</geoCoordinate>
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), MZSP 137054, MZSP 137145; Lapa Vereda da Palha (
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<geoCoordinate degrees="18" direction="south" minutes="15" orientation="latitude" precision="15" seconds="19" value="-18.255278">18°15'19"S</geoCoordinate>
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,
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<geoCoordinate degrees="46" direction="west" minutes="07" orientation="longitude" precision="15" seconds="34" value="-46.12611">46°07'34"W</geoCoordinate>
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), MZSP 137181, MZSP 137256, MZSP 150023; Lapa
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<normalizedToken originalValue="Zé">Ze</normalizedToken>
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de Sidinei (
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<geoCoordinate degrees="18" direction="south" minutes="18" orientation="latitude" precision="15" seconds="06" value="-18.301666">18°18'06"S</geoCoordinate>
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,
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<geoCoordinate degrees="46" direction="west" minutes="05" orientation="longitude" precision="15" seconds="41" value="-46.094723">46°05'41"W</geoCoordinate>
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), MZSP 137132, MZSP 137143, MZSP 147865.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="639" type="etymology">
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<paragraph pageId="0" pageNumber="639">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="639">The specific epithet is given in honor of Dr. Stephen V. Strange, a fictional character from Marvel Comics. Besides being an acknowledgement of one of the greatest Marvel characters, the name also alludes to the weirdness of this dextral diplommatinid species.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="639" type="diagnosis">
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<paragraph pageId="0" pageNumber="639">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="639">Spire conical and tall. Teleoconch sculpture consisting of strongly prosocline, markedly raised ribs, more widely spaced than in congeners.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="639" type="description">
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<paragraph pageId="0" pageNumber="639">Description.</paragraph>
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<paragraph pageId="0" pageNumber="639">
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Shell (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Shells of Habeastrum strangei sp. nov. A-E. specimens before shell crushing for anatomical study (MZSP 137145); A. spm 1 apertural view, soft body seen by translucency (1.6 mm high); B. same, dorsal view; C. same, umbilical view (1.1 mm wide); D. spm 2, apertural view (1.9 mm high); E. operculum of spm 1, outer view (0.4 mm wide); F-H. SEM images of shells, all in same scale for comparison; F. holotype, adult (MZSP 151626); G. paratype, juvenile (MZSP 151628); H. juvenile (MZSP 150023)." figureDoi="10.3897/zse.96.53880.figure1" httpUri="https://binary.pensoft.net/fig/453317" pageId="0" pageNumber="639">1</figureCitation>
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,
|
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. SEM images of Habeastrum strangei sp. nov. A. protoconch detail (MZSP 150023); B-E. Radula (MZSP 137145), in different views. Scale bars: 100 μm (A.); 5 μm (B-E.)." figureDoi="10.3897/zse.96.53880.figure2" httpUri="https://binary.pensoft.net/fig/453318" pageId="0" pageNumber="639">2A</figureCitation>
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). Shell minute (adult ~2 mm high, ~1 mm wide), conical, ~7 to
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<normalizedToken originalValue="7½">71/2</normalizedToken>
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whorls; spire elongated. Shell walls translucent, whitish; white soft body easily visible inside. Protoconch (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. SEM images of Habeastrum strangei sp. nov. A. protoconch detail (MZSP 150023); B-E. Radula (MZSP 137145), in different views. Scale bars: 100 μm (A.); 5 μm (B-E.)." figureDoi="10.3897/zse.96.53880.figure2" httpUri="https://binary.pensoft.net/fig/453318" pageId="0" pageNumber="639">2A</figureCitation>
|
||
) rounded, smooth, ~2 whorls. Teleoconch sculptured by widely-spaced raised ribs, strongly prosocline; space between ribs ~3 to 5 times the width of a rib; ribs can be more closely-spaced in first teleoconch whorls. Whorl profile rounded, strongly convex. Suture deep, well-marked. Whorls increase steadily in size towards aperture; body whorl does not bulge or change direction of coiling. Aperture circular. Peristome complete, simple and sharp, with only faint deflection over umbilical region. Umbilicus narrow, deep. Operculum (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Shells of Habeastrum strangei sp. nov. A-E. specimens before shell crushing for anatomical study (MZSP 137145); A. spm 1 apertural view, soft body seen by translucency (1.6 mm high); B. same, dorsal view; C. same, umbilical view (1.1 mm wide); D. spm 2, apertural view (1.9 mm high); E. operculum of spm 1, outer view (0.4 mm wide); F-H. SEM images of shells, all in same scale for comparison; F. holotype, adult (MZSP 151626); G. paratype, juvenile (MZSP 151628); H. juvenile (MZSP 150023)." figureDoi="10.3897/zse.96.53880.figure1" httpUri="https://binary.pensoft.net/fig/453317" pageId="0" pageNumber="639">1E</figureCitation>
|
||
). Thin, corneous, translucent, rounded, paucispiral. Nucleus central. Slightly projected in inner-superior quadrant. Flexiclaudent. Occupying entire aperture.
|
||
</paragraph>
|
||
<caption doi="10.3897/zse.96.53880.figure2" httpUri="https://binary.pensoft.net/fig/453318" pageId="0" pageNumber="639" start="Figure 2" startId="F2">
|
||
<paragraph pageId="0" pageNumber="639">
|
||
<emphasis bold="true" pageId="0" pageNumber="639">Figure 2.</emphasis>
|
||
SEM images of
|
||
<taxonomicName authorityName="Simone & Cavallari & Salvador" authorityYear="2020" class="Gastropoda" family="Diplommatinidae" genus="Habeastrum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Habeastrum strangei" order="Architaenioglossa" pageId="0" pageNumber="639" phylum="Mollusca" rank="species" species="strangei">
|
||
<emphasis italics="true" pageId="0" pageNumber="639">Habeastrum strangei</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
<emphasis bold="true" pageId="0" pageNumber="639">A.</emphasis>
|
||
protoconch detail (MZSP 150023);
|
||
<emphasis bold="true" pageId="0" pageNumber="639">B-E.</emphasis>
|
||
Radula (MZSP 137145), in different views. Scale bars: 100
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="639">A.</emphasis>
|
||
); 5
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="639">B-E.</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="0" pageNumber="639">
|
||
Head-foot (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3A, C</figureCitation>
|
||
). Totally unpigmented (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Shells of Habeastrum strangei sp. nov. A-E. specimens before shell crushing for anatomical study (MZSP 137145); A. spm 1 apertural view, soft body seen by translucency (1.6 mm high); B. same, dorsal view; C. same, umbilical view (1.1 mm wide); D. spm 2, apertural view (1.9 mm high); E. operculum of spm 1, outer view (0.4 mm wide); F-H. SEM images of shells, all in same scale for comparison; F. holotype, adult (MZSP 151626); G. paratype, juvenile (MZSP 151628); H. juvenile (MZSP 150023)." figureDoi="10.3897/zse.96.53880.figure1" httpUri="https://binary.pensoft.net/fig/453317" pageId="0" pageNumber="639">1A-D</figureCitation>
|
||
), ~1/3 whorl in length. Head protruded, size ~1/4 of head-foot. Snout (sn) cylindrical, projected downwards; mouth central in ventral surface, longitudinal; length ~1/8 of head foot. Pair of cephalic tentacles (te), narrow, ~1.5 times longer than snout; positioned laterally to slightly dorsally in relation to snout base; gradually tapering up to pointed tip. Eyes present (ey), dark-pigmented; located away from tentacles base, slightly ventrally positioned; each eye mostly duplicated, but with both components very close to each other, so that some specimens (~40%) apparently possess only a single elongated eye. Foot (ft) occupying ~1/2 of head-foot; sole (fs) with thick edges; longitudinal, lateral sulcus separating sole (mesopodium) from dorsal epipodium, flap-like, continuous with opercular pad (oa); epipodium wider, slightly thinner than mesopodium. Columellar muscle (cm) relatively thick, occupying ~1/2 of head-foot, tapering gradually up to blunt, thin tip. Haemocoel (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3C</figureCitation>
|
||
) almost as wide as long, occupying ~3/4 of head-foot; mostly filled by nerve ring and foregut structures. Diaphragm septum (di) small, positioned very posteriorly.
|
||
</paragraph>
|
||
<caption doi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639" start="Figure 3" startId="F3">
|
||
<paragraph pageId="0" pageNumber="639">
|
||
<emphasis bold="true" pageId="0" pageNumber="639">Figure 3.</emphasis>
|
||
Anatomy of
|
||
<taxonomicName authorityName="Simone & Cavallari & Salvador" authorityYear="2020" class="Gastropoda" family="Diplommatinidae" genus="Habeastrum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Habeastrum strangei" order="Architaenioglossa" pageId="0" pageNumber="639" phylum="Mollusca" rank="species" species="strangei">
|
||
<emphasis italics="true" pageId="0" pageNumber="639">Habeastrum strangei</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
<emphasis bold="true" pageId="0" pageNumber="639">A.</emphasis>
|
||
head-foot, male, right-slightly anterior view;
|
||
<emphasis bold="true" pageId="0" pageNumber="639">B.</emphasis>
|
||
pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency;
|
||
<emphasis bold="true" pageId="0" pageNumber="639">C.</emphasis>
|
||
head and haemocoel, ventral view, foot and columellar muscle removed;
|
||
<emphasis bold="true" pageId="0" pageNumber="639">D.</emphasis>
|
||
foregut, ventral view;
|
||
<emphasis bold="true" pageId="0" pageNumber="639">E.</emphasis>
|
||
same, left view;
|
||
<emphasis bold="true" pageId="0" pageNumber="639">F.</emphasis>
|
||
odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="0" pageNumber="639">
|
||
Pallial organs (Figs
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3B</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Anatomy of Habeastrum strangei sp. nov. A. pallial cavity roof, female, ventral view; B. central nervous system (nerve ring), ventral view; C. penis and adjacent region of nuchal surface, dorsal view. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure4" httpUri="https://binary.pensoft.net/fig/453320" pageId="0" pageNumber="639">4A</figureCitation>
|
||
). Mantle border (mb) unpigmented, relatively thick, simple. Pallial cavity (py) occupying ~1/2 whorl, no vestige of gill or osphradium; no visible vessels. Genital pallial structures bulging in posterior-right quadrant. Rectum (rt) flanking left edge of genital pallial glands. Anus (an) long, siphoned, ending at some distance posterior to border. Kidney (ki) and pericardium (pc) located on posterior end of cavity.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="639">
|
||
Visceral mass (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3B</figureCitation>
|
||
). Length 4 to 5 whorls, stomach (st) occupying most of last whorl, ending ~1/3 whorl posterior to pallial cavity. Digestive gland (dg) and gonad white, ~3 whorls posterior to stomach; gonad (go) occupying columellar surface, ~1/3 of digestive gland width.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="639">
|
||
Circulatory and excretory systems (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3B</figureCitation>
|
||
and Fig.
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Anatomy of Habeastrum strangei sp. nov. A. pallial cavity roof, female, ventral view; B. central nervous system (nerve ring), ventral view; C. penis and adjacent region of nuchal surface, dorsal view. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure4" httpUri="https://binary.pensoft.net/fig/453320" pageId="0" pageNumber="639">4A</figureCitation>
|
||
). Heart (pc) relatively small, ~1/20 pallial
|
||
<normalizedToken originalValue="cavity’s">cavity's</normalizedToken>
|
||
volume; located in anterior-left side of visceral
|
||
<normalizedToken originalValue="mass’">mass'</normalizedToken>
|
||
anterior end, partly bulging inside pallial cavity. Pulmonary vein (cv) gradually individualizing in postero-left region of pallial cavity, connecting in small auricle, anteriorly located; ventricle of same size as auricle. Kidney (ki) white, entirely solid; length ~1/3 whorl, about as wide as local whorl; nephrostome not seen.
|
||
</paragraph>
|
||
<caption doi="10.3897/zse.96.53880.figure4" httpUri="https://binary.pensoft.net/fig/453320" pageId="0" pageNumber="639" start="Figure 4" startId="F4">
|
||
<paragraph pageId="0" pageNumber="639">
|
||
<emphasis bold="true" pageId="0" pageNumber="639">Figure 4.</emphasis>
|
||
Anatomy of
|
||
<taxonomicName authorityName="Simone & Cavallari & Salvador" authorityYear="2020" class="Gastropoda" family="Diplommatinidae" genus="Habeastrum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Habeastrum strangei" order="Architaenioglossa" pageId="0" pageNumber="639" phylum="Mollusca" rank="species" species="strangei">
|
||
<emphasis italics="true" pageId="0" pageNumber="639">Habeastrum strangei</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
<emphasis bold="true" pageId="0" pageNumber="639">A.</emphasis>
|
||
pallial cavity roof, female, ventral view;
|
||
<emphasis bold="true" pageId="0" pageNumber="639">B.</emphasis>
|
||
central nervous system (nerve ring), ventral view;
|
||
<emphasis bold="true" pageId="0" pageNumber="639">C.</emphasis>
|
||
penis and adjacent region of nuchal surface, dorsal view. Scale bars: 250
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="0" pageNumber="639">
|
||
Digestive system (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3B-F</figureCitation>
|
||
). Mouth and snout described above. Buccal mass (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3D, E</figureCitation>
|
||
) occupying ~1/5 of haemocoel volume; located just posteriorly to mouth, inside snout (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3C</figureCitation>
|
||
). Oral tube (ot) with thick muscular walls of mostly longitudinal fibers (mj); its dorsal portion occupies ~1/3 of buccal mass length (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3E</figureCitation>
|
||
), while ventral portion occupies ~1/2 (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3D</figureCitation>
|
||
). Pair of jaw plates (jw) very thin, yellowish, simple; each plate semispherical, located dorso-laterally in transition to oral tube and odontophore, occupying ~1/2 of oral
|
||
<normalizedToken originalValue="tube’s">tube's</normalizedToken>
|
||
inner surface. Odontophore (od) occupying ~1/2 of buccal mass volume. Odontophore muscles (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3D-F</figureCitation>
|
||
):
|
||
<emphasis bold="true" pageId="0" pageNumber="639">mj</emphasis>
|
||
, pair of jaw and peribuccal muscles, originating in antero-external surface of cartilages, surrounded by m4, running towards anterior region, splaying in oral tube;
|
||
<emphasis bold="true" pageId="0" pageNumber="639">m4</emphasis>
|
||
, main pair of dorsal tensor muscles of radula; longitudinal fibers, externally cover cartilages; composed of two layers, internal layer ~1/2 the size of outer layer (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3F</figureCitation>
|
||
);
|
||
<emphasis bold="true" pageId="0" pageNumber="639">m5</emphasis>
|
||
, pair of secondary dorsal tensor muscles of radula, narrow and thin; originating in ventral-posterior region of m4, running medially and anteriorly, inserting in ventral surface of radular ribbon, in middle portion of odontophore;
|
||
<emphasis bold="true" pageId="0" pageNumber="639">m6</emphasis>
|
||
, horizontal muscle, narrow and thin, connecting both cartilages in their ventral edge, with ~4/5 of
|
||
<normalizedToken originalValue="cartilages’">cartilages'</normalizedToken>
|
||
length;
|
||
<emphasis bold="true" pageId="0" pageNumber="639">m10</emphasis>
|
||
, pair of ventral odontophore protractors, originating in ventral region of mouth; running posteriorly, flanking ventral surface of buccal mass at short distance from its median line, inserting in odontophore close to its limit with oral tube (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3D, E</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="639">
|
||
Radular sac very long, stored as 4-5 compact whorls located to the right of esophagus in the region preceding buccal mass (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3C, D</figureCitation>
|
||
: rs). Radular nucleus (rn) simple, faintly bulging. Radula (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. SEM images of Habeastrum strangei sp. nov. A. protoconch detail (MZSP 150023); B-E. Radula (MZSP 137145), in different views. Scale bars: 100 μm (A.); 5 μm (B-E.)." figureDoi="10.3897/zse.96.53880.figure2" httpUri="https://binary.pensoft.net/fig/453318" pageId="0" pageNumber="639">2B-E</figureCitation>
|
||
) taenioglossate, with two marginal teeth and one lateral tooth on each side of central rachidian tooth. Each tooth is composed of a central large claw-like denticle and two smaller denticles on each side (the lateral-most being slightly smaller).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="639">
|
||
Buccal cavity with pair of wide and low dorsal folds as continuation from jaw plates, gradually diminishing towards esophagus. Pair of buccal ganglia (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3E</figureCitation>
|
||
: bg) of considerable size, rounded, each one located laterally, in transition between buccal mass and esophagus. Esophagus (es) as simple continuation of buccal cavity, relatively narrow; pair of dorsal folds from buccal cavity gradually disappear in anterior esophagus, keeping a simple and smooth surface. Pair of lateral esophageal glands (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3C-E</figureCitation>
|
||
: eg); right gland ~1/3
|
||
<normalizedToken originalValue="haemocoel’s">haemocoel's</normalizedToken>
|
||
length, slightly broader than esophagus, bulging relatively uniformly along right esophageal wall; left esophageal gland ~1/2 of right
|
||
<normalizedToken originalValue="gland’s">gland's</normalizedToken>
|
||
length, but circa twice its width; both esophageal glands hollow inside, walls and inner surface thick and glandular. Posterior esophagus narrow, simple (lacking glands or chambers) (Figs
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3B-E</figureCitation>
|
||
: es), about as long as anterior esophagus; esophageal insertion in stomach small, ventral, ~1/3 of main gastric chamber (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3B</figureCitation>
|
||
: es). Stomach (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3B</figureCitation>
|
||
: st) size and location described above; its main chamber very wide and long, occupying most of the whorl posterior to kidney. Main gastric chamber lacking internal fold or subchamber; its posterior end suddenly narrows, running posteriorly as a narrow tube along 1.5 whorl (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3B</figureCitation>
|
||
: st at right); its posterior end is rounded, unclear if it connects to digestive gland, as it is lying along the
|
||
<normalizedToken originalValue="gland’s">gland's</normalizedToken>
|
||
middle region. Anterior region of stomach bluntly tapering; intestine originating in rounded anterior gastric end. Intestine (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3B</figureCitation>
|
||
: in) performing a tight loop anteriorly to stomach, suddenly turning left and posteriorly, performing a wide loop dorsally to anterior gastric region; afterwards intestine runs through renal tissue towards anterior region of pallial cavity. In the pallial cavity, rectum (rt) runs through prostate in males (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3B</figureCitation>
|
||
) or to the left of visceral oviduct in females (Fig.
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Anatomy of Habeastrum strangei sp. nov. A. pallial cavity roof, female, ventral view; B. central nervous system (nerve ring), ventral view; C. penis and adjacent region of nuchal surface, dorsal view. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure4" httpUri="https://binary.pensoft.net/fig/453320" pageId="0" pageNumber="639">4A</figureCitation>
|
||
). Anus (an) long, siphoned (mainly in males), ending posteriorly to mantle border.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="639">
|
||
Genital system (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3A, B</figureCitation>
|
||
and Fig.
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Anatomy of Habeastrum strangei sp. nov. A. pallial cavity roof, female, ventral view; B. central nervous system (nerve ring), ventral view; C. penis and adjacent region of nuchal surface, dorsal view. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure4" httpUri="https://binary.pensoft.net/fig/453320" pageId="0" pageNumber="639">4C</figureCitation>
|
||
).
|
||
<emphasis bold="true" pageId="0" pageNumber="639">Male.</emphasis>
|
||
Testis (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3B</figureCitation>
|
||
: go) described above. Vas deferens surging from testis, individualizing at close to posterior region of stomach (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3B</figureCitation>
|
||
: superior vd), running close to
|
||
<normalizedToken originalValue="shell’s">shell's</normalizedToken>
|
||
columella (with no detectable seminal vesicle) up to posterior end of pallial cavity (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3B</figureCitation>
|
||
: inferior vd), inserting in posterior end of prostate. Prostate gland (pt) elliptical, occupying ~1/4 of pallial cavity, mostly solid-glandular; pallial vas deferens (vd) connecting on its ventral surface, penetrating integument on the right side of pallial floor (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3A</figureCitation>
|
||
: vd), running straightly to
|
||
<normalizedToken originalValue="penis’">penis'</normalizedToken>
|
||
base. Penis (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3A</figureCitation>
|
||
and
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Anatomy of Habeastrum strangei sp. nov. A. pallial cavity roof, female, ventral view; B. central nervous system (nerve ring), ventral view; C. penis and adjacent region of nuchal surface, dorsal view. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure4" httpUri="https://binary.pensoft.net/fig/453320" pageId="0" pageNumber="639">4C</figureCitation>
|
||
) wide (~1/3 of head-foot width), slightly dorso-ventrally flattened, almost half of head-foot length; penis with uniform width along its length, except for apical region, tapering bluntly. Penis duct (pd) entirely closed (tubular), running along middle penial region, opening in penis tip (pa).
|
||
<emphasis bold="true" pageId="0" pageNumber="639">Female</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Anatomy of Habeastrum strangei sp. nov. A. pallial cavity roof, female, ventral view; B. central nervous system (nerve ring), ventral view; C. penis and adjacent region of nuchal surface, dorsal view. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure4" httpUri="https://binary.pensoft.net/fig/453320" pageId="0" pageNumber="639">4A</figureCitation>
|
||
). Visceral components similar to those of males. Visceral oviduct very narrow (vo), inserting in postero-right side of pallial oviduct. Pallial oviduct (ov) as single glandular mass, lacking apparent chambers or divisions; walls thick-glandular, ventral and dorsal walls thick. Pallial oviduct occupying ~1/3 of pallial cavity: length ~4/5 of cavity, width ~1/2. Anterior end of pallial oviduct tapering bluntly onto female aperture (ap); aperture simple, turned anteriorly, located posteriorly and to the right of anal base.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="639">
|
||
Central nervous system (Fig.
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Anatomy of Habeastrum strangei sp. nov. A. pallial cavity roof, female, ventral view; B. central nervous system (nerve ring), ventral view; C. penis and adjacent region of nuchal surface, dorsal view. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure4" httpUri="https://binary.pensoft.net/fig/453320" pageId="0" pageNumber="639">4B</figureCitation>
|
||
). Nerve ring hypoathroid, relatively large, occupying ~1/6 of haemocoel (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Anatomy of Habeastrum strangei sp. nov. A. head-foot, male, right-slightly anterior view; B. pallial cavity, ventral view and visceral mass partially uncoiled, some structures seen be translucency; C. head and haemocoel, ventral view, foot and columellar muscle removed; D. foregut, ventral view; E. same, left view; F. odontophore, dorsal view, superficial layer of structures removes, cartilages deflected. Scale bars: 250 μm." figureDoi="10.3897/zse.96.53880.figure3" httpUri="https://binary.pensoft.net/fig/453319" pageId="0" pageNumber="639">3C</figureCitation>
|
||
: pn, ce). Located just posteriorly to buccal mass. Each cerebral ganglion (ce) spherical, with ~1/4 of nerve ring volume. Cerebral commissure narrow, about as wide as each cerebral ganglion. Each pleural (pl) and pedal (pn) ganglion fused with each other, separated only by shallow ventral furrow; each pleuro-pedal ganglion slightly larger than each cerebral ganglion. Both commissures very narrow, of similar length on both sides, ~1.5 times longer than the width of each ganglion.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="639" type="distribution">
|
||
<paragraph pageId="0" pageNumber="639">Distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="639">
|
||
Caves in central Minas Gerais state, SE Brazil, over an area of ca. 35,000 km² (Fig.
|
||
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Map of Minas Gerais state showing the municipalities where Habeastrum strangei sp. nov. occurs." figureDoi="10.3897/zse.96.53880.figure5" httpUri="https://binary.pensoft.net/fig/453321" pageId="0" pageNumber="639">5</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption doi="10.3897/zse.96.53880.figure5" httpUri="https://binary.pensoft.net/fig/453321" pageId="0" pageNumber="639" start="Figure 5" startId="F5">
|
||
<paragraph pageId="0" pageNumber="639">
|
||
<emphasis bold="true" pageId="0" pageNumber="639">Figure 5.</emphasis>
|
||
Map of Minas Gerais state showing the municipalities where
|
||
<taxonomicName authorityName="Simone & Cavallari & Salvador" authorityYear="2020" class="Gastropoda" family="Diplommatinidae" genus="Habeastrum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Habeastrum strangei" order="Architaenioglossa" pageId="0" pageNumber="639" phylum="Mollusca" rank="species" species="strangei">
|
||
<emphasis italics="true" pageId="0" pageNumber="639">Habeastrum strangei</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. occurs.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="639" type="habitat">
|
||
<paragraph pageId="0" pageNumber="639">Habitat.</paragraph>
|
||
<paragraph pageId="0" pageNumber="639">
|
||
In the caves in Presidente
|
||
<normalizedToken originalValue="Olegário">Olegario</normalizedToken>
|
||
municipality, this species was found in epigeal environments and in all cave zones (entrance, twilight, and dark zones). Most specimens collected consisted of empty shells, but the good preservation considering their fragility suggests they were not subjected to transport. No precise information was recorded from other municipalities.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |