132 lines
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132 lines
17 KiB
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<document ID-CLB-Dataset="4348" ID-DOI="http://dx.doi.org/10.3897/zookeys.1059.68385" ID-GBIF-Dataset="a0c40684-8d8e-4aa2-ab8e-461105f5ea96" ID-PMC="PMC8426314" ID-Pensoft-Pub="1313-2970-1059-1" ID-Pensoft-UUID="ABC7C4F5491951E59A72F1FFC1BC0A5F" ID-PubMed="34566444" ID-ZooBank="650D7F4C990E4CBF88E3F0CD38EEC377" ModsDocID="1313-2970-1059-1" checkinTime="1630544413484" checkinUser="pensoft" docAuthor="Chen, Zhe-Yu, Lyu, Zhi-Tong & Wu, Min" docDate="2021" docId="EFBB53B7D14458F5B1ED5B0A2A965DB5" docLanguage="en" docName="ZooKeys 1059: 1-21" docOrigin="ZooKeys 1059" docPubDate="2021-09-01" docSource="http://dx.doi.org/10.3897/zookeys.1059.68385" docTitle="Pseudostegodera Wu & Chen 2021, gen. nov." docType="treatment" docUuid="F0A6D222-8DB2-4B57-8910-17CAAE2B7FFA" docUuidSource="ZooBank" docVersion="6" id="ABC7C4F5491951E59A72F1FFC1BC0A5F" lastPageNumber="1" masterDocId="ABC7C4F5491951E59A72F1FFC1BC0A5F" masterDocTitle="Systematic revision of Stegodera Martens, 1876 (Gastropoda, Stylommatophora, Camaenidae), with description of a new genus" masterLastPageNumber="21" masterPageNumber="1" pageNumber="1" updateTime="1732803461375" updateUser="ExternalLinkService">
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<mods:titleInfo id="DAF6085A82A246D132FDB35B43DEC86B">
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<mods:title id="D80EEA7B93CCA757C11C43A6C7474F84">Systematic revision of Stegodera Martens, 1876 (Gastropoda, Stylommatophora, Camaenidae), with description of a new genus</mods:title>
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<mods:namePart id="6AAB607B0BEDF79C0229301EDF6228C7">Chen, Zhe-Yu</mods:namePart>
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<mods:affiliation id="D58EC2A11A7C6DDC4EF57369CD30D062">College of food science and engineering, Wuhan Polytechnic University, Wuhan 430023, China & School of Life Sciences, Nanjing University, Nanjing 210023, China</mods:affiliation>
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<mods:namePart id="E62AEC8335C72BA2A9E3E2D82E41328A">Lyu, Zhi-Tong</mods:namePart>
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<mods:nameIdentifier id="4D9A87D6589F2B2268839CBB60ABDA57" type="ORCID">https://orcid.org/0000-0002-4891-3859</mods:nameIdentifier>
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<mods:affiliation id="3B41850085FCBF4CB452EE93E3BE5AFE">The Museum of Biology, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China</mods:affiliation>
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<mods:namePart id="941585A2132DBE28CB21A650108E04D7">Wu, Min</mods:namePart>
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<mods:nameIdentifier id="891A6503A7499D6F4817EF3832722649" type="ORCID">https://orcid.org/0000-0002-5434-5544</mods:nameIdentifier>
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<mods:affiliation id="9477324E98E3FD85965614627C67EE45">School of Life Sciences, Nanjing University, Nanjing 210023, China</mods:affiliation>
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<mods:nameIdentifier id="A766B39E58DE817930EB42D9163088A0" type="email">minwu1969@aliyun.com</mods:nameIdentifier>
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<mods:typeOfResource id="A1DBC182FE1BF0404CC59C6581BC18D4">text</mods:typeOfResource>
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<mods:title id="CE83EE03E516594AECB79857BD13B913">ZooKeys</mods:title>
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<mods:date id="7DF2577C0F1B96BEB35B733DC4A11ADE">2021</mods:date>
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<mods:number id="66BEA6ECCCA3296AF283AFA900CB7EC5">2021-09-01</mods:number>
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<mods:number id="15432A5195F735A300220B5DC58FF23A">1059</mods:number>
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<mods:start id="A18F43C8E9BF233DE9717804377A2689">1</mods:start>
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<mods:url id="F376748AC02E17E00F0C9B5351BC40F6">http://dx.doi.org/10.3897/zookeys.1059.68385</mods:url>
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<mods:classification id="C7F665B685C952D7EAD712D53B326782">journal article</mods:classification>
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<mods:identifier id="41D351971B2067141937E86A50A91273" type="DOI">http://dx.doi.org/10.3897/zookeys.1059.68385</mods:identifier>
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<treatment id="EFBB53B7D14458F5B1ED5B0A2A965DB5" ID-GBIF-Taxon="185459882" LSID="urn:lsid:zoobank.org:act:F0A6D222-8DB2-4B57-8910-17CAAE2B7FFA" httpUri="http://treatment.plazi.org/id/EFBB53B7D14458F5B1ED5B0A2A965DB5" lastPageNumber="1" pageId="0" pageNumber="1" scope_class="Gastropoda" scope_family="Camaenidae" scope_order="Stylommatophora">
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<subSubSection id="018CF42E61A007A1D9A71AC5FFD9028E" pageId="0" pageNumber="1" type="nomenclature">
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<paragraph id="74792CFF177527DF37C478B159AEF017" pageId="0" pageNumber="1">
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<taxonomicName id="C710BC8258433EA443AD96965003AA92" ID-CoL="8QHG6" LSID="http://zoobank.org/F0A6D222-8DB2-4B57-8910-17CAAE2B7FFA" authority="Wu & Chen" authorityName="Wu & Chen" authorityYear="2021" class="Gastropoda" family="Camaenidae" genus="Pseudostegodera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudostegodera" order="Stylommatophora" pageId="0" pageNumber="1" phylum="Mollusca" rank="genus" status="gen. nov.">Pseudostegodera Wu & Chen</taxonomicName>
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<taxonomicNameLabel id="714FE37A234A417012B080AE91FE30C8" pageId="0" pageNumber="1">gen. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection id="63B326C1FB5DC87783EF43A37C7D166D" pageId="0" pageNumber="1" type="type species">
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<paragraph id="CDF2D7455A8CF41A15F22905BCC4B4C6" pageId="0" pageNumber="1">Type species.</paragraph>
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<paragraph id="8730F7C00BB4B810C88546D3DA073673" pageId="0" pageNumber="1">
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<taxonomicName id="1ABCBED2C64A6DA4E6C5F898021159FF" authorityName="Chen" authorityYear="2021" class="Gastropoda" family="Camaenidae" genus="Pseudostegodera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudostegodera qiului" order="Stylommatophora" pageId="0" pageNumber="1" phylum="Mollusca" rank="species" species="qiului">
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<emphasis id="D7B5DF3544C4B11A1089F93941AA2E05" italics="true" pageId="0" pageNumber="1">Pseudostegodera qiului</emphasis>
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</taxonomicName>
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gen. et sp. nov.
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</paragraph>
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</subSubSection>
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<subSubSection id="8C5CFD1947C077589C2F127639C3DA56" pageId="0" pageNumber="1" type="diagnosis">
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<paragraph id="D5698DD450DF07A44CBB7306CE4D737F" pageId="0" pageNumber="1">Diagnosis.</paragraph>
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<paragraph id="7DC0557C1B8C4D46ED041DC433A6F620" pageId="0" pageNumber="1">Shell sinistral. Apical whorls with dense fine ribs gradually becoming granules. The last 1/8 to 1/4 body whorl compressed, only partly covering penultimate whorl. Umbilicus broad. Head wart absent. Each side of mantle edge with a leaf-shaped appendage. Penis sheath present. Penis externally simple. Epiphallic papilla absent. Flagellum present. Dart sac apparatus absent.</paragraph>
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</subSubSection>
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<subSubSection id="F7B9CC9331A61513051A5CDD49B852EB" pageId="0" pageNumber="1" type="remarks">
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<paragraph id="C8D61A90EA344C91038F143D5CEF4FE5" pageId="0" pageNumber="1">Remarks.</paragraph>
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<paragraph id="70AF707EAB52D4207E322D7CF17F5F4F" pageId="0" pageNumber="1">
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Conchologically the new genus can be distinguished from
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<taxonomicName id="D66DD0B8DBD298953C2C7653F3E5F763" authorityName="Martens" authorityYear="1876" class="Gastropoda" family="Camaenidae" genus="Stegodera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stegodera" order="Stylommatophora" pageId="0" pageNumber="1" phylum="Mollusca" rank="genus">
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<emphasis id="4D3F46F7AA562D1300401E96C7ACA38B" italics="true" pageId="0" pageNumber="1">Stegodera</emphasis>
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</taxonomicName>
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by the detached body whorl and penultimate whorl. The new genus is supported to be the closest relative of a clade containing
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<taxonomicName id="2F641BA99A231D1DA08F1F26252E00A5" authorityName="Martens" authorityYear="1876" class="Gastropoda" family="Camaenidae" genus="Stegodera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stegodera" order="Stylommatophora" pageId="0" pageNumber="1" phylum="Mollusca" rank="genus">
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<emphasis id="5B0314340F9711957AE18CF50918E41C" italics="true" pageId="0" pageNumber="1">Stegodera</emphasis>
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</taxonomicName>
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+
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<taxonomicName id="20FA6406E3DB75D4EE98E36EB73BA807" authorityName="Kuroda & Emura" authorityYear="1943" class="Gastropoda" family="Camaenidae" genus="Nesiohelix" kingdom="Animalia" lsidName="Nesiohelix" order="Stylommatophora" pageId="0" pageNumber="1" phylum="Mollusca" rank="genus">
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<emphasis id="F91DF1B9501987E4E673065DEDEB1FED" italics="true" pageId="0" pageNumber="1">Nesiohelix</emphasis>
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</taxonomicName>
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as based on the Maximum Likelihood/Baysian Inference phylogeny shown in Fig.
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<figureCitation id="B6B7A66F0CFB863F6D29D37A38E1F92C" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Bayesian Inferences of camaenids (representatives of genera in Table 1) based on partial mitochondrial 16 S and CO 1 sequences. Numbers near nodes indicate Bayesian posterior probabilities. The squares on the right of each taxon name indicate its character states. Abbreviations: PS: penial sheath; EpP: epiphallic papilla; PC: penial caecum; Fl: flagellum; DS: dart sac apparatus A phylogram without Australian camaenids B the results of ancestral states (tagged on branch in red, blue, or black) reconstruction mapping on the phylogram with some Australian camaenid genera added. Orange part: the topologies supported by the results respectively by using both Bayesian Inference and Maximum Likelihood methods. Character states are from Schileyko (2003) and Wu (2019). Scale bars for substitutions per site." figureDoi="10.3897/zookeys.1059.68385.figure1" httpUri="https://binary.pensoft.net/fig/584114" pageId="0" pageNumber="1">1A</figureCitation>
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. However, when the Australian camaenids were included in the analysis, the relationships between the new genus,
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<taxonomicName id="F2EEFAABDDECB1942EFFC7844B5622CF" authorityName="Martens" authorityYear="1876" class="Gastropoda" family="Camaenidae" genus="Stegodera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stegodera" order="Stylommatophora" pageId="0" pageNumber="1" phylum="Mollusca" rank="genus">
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<emphasis id="99CDC24B65C513F9639A25064ECC9205" italics="true" pageId="0" pageNumber="1">Stegodera</emphasis>
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</taxonomicName>
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+
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<taxonomicName id="EBDB4EA19EC5F09647C50A90B289376D" authorityName="Kuroda & Emura" authorityYear="1943" class="Gastropoda" family="Camaenidae" genus="Nesiohelix" kingdom="Animalia" lsidName="Nesiohelix" order="Stylommatophora" pageId="0" pageNumber="1" phylum="Mollusca" rank="genus">
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<emphasis id="56A9512ADEB6EBF5B216D58AD6EC4FC5" italics="true" pageId="0" pageNumber="1">Nesiohelix</emphasis>
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</taxonomicName>
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, and all remaining taxa except
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<taxonomicName id="C9C54A3DB19044E31368F31844C951FC" authorityName="A. Adams" authorityYear="1868" class="Gastropoda" family="Camaenidae" genus="Satsuma" kingdom="Animalia" lsidName="Satsuma" order="Stylommatophora" pageId="0" pageNumber="1" phylum="Mollusca" rank="genus">
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<emphasis id="B28CD02D1D2CB4EBC2A1B7A4351D8246" italics="true" pageId="0" pageNumber="1">Satsuma</emphasis>
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</taxonomicName>
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remained unresolved (Fig.
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<figureCitation id="9FD0A45564A9C91A6F514AAB0FE9EC02" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Bayesian Inferences of camaenids (representatives of genera in Table 1) based on partial mitochondrial 16 S and CO 1 sequences. Numbers near nodes indicate Bayesian posterior probabilities. The squares on the right of each taxon name indicate its character states. Abbreviations: PS: penial sheath; EpP: epiphallic papilla; PC: penial caecum; Fl: flagellum; DS: dart sac apparatus A phylogram without Australian camaenids B the results of ancestral states (tagged on branch in red, blue, or black) reconstruction mapping on the phylogram with some Australian camaenid genera added. Orange part: the topologies supported by the results respectively by using both Bayesian Inference and Maximum Likelihood methods. Character states are from Schileyko (2003) and Wu (2019). Scale bars for substitutions per site." figureDoi="10.3897/zookeys.1059.68385.figure1" httpUri="https://binary.pensoft.net/fig/584114" pageId="0" pageNumber="1">1B</figureCitation>
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). The new genus is conchologically similar to
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<taxonomicName id="E7831DEFB11BC8C28BAA025E01217063" authorityName="Martens" authorityYear="1876" class="Gastropoda" family="Camaenidae" genus="Stegodera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stegodera" order="Stylommatophora" pageId="0" pageNumber="1" phylum="Mollusca" rank="genus">
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<emphasis id="C80E725F91B42C568B7071EF3DB88B6F" italics="true" pageId="0" pageNumber="1">Stegodera</emphasis>
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</taxonomicName>
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, however, it differs in certain reproductive characters (see above). We consider that the genital anatomy is more informative than shell features in helicoid systematics (e.g.,
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<bibRefCitation id="5EF5A2C7F8374295D5A12874DCBBDB7D" DOI="https://doi.org/10.11646/zootaxa.3608.2.1" author="Criscione, F" journalOrPublisher="Zootaxa" pageId="0" pageNumber="1" pagination="101 - 115" refId="B6" refString="Criscione, F, Koehler, F, 2013. Six new species of Australocosmica Koehler, 2011 from the Kimberley Islands, Western Australia (Mollusca: Pulmonata: Camaenidae). Zootaxa 3608 (2): 101 - 115, DOI: https://doi.org/10.11646/zootaxa.3608.2.1" title="Six new species of Australocosmica Koehler, 2011 from the Kimberley Islands, Western Australia (Mollusca: Pulmonata: Camaenidae)." url="https://doi.org/10.11646/zootaxa.3608.2.1" volume="3608" year="2013">
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Criscione and
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<normalizedToken id="E7848786CC4EE9A960CB025580B20EA5" originalValue="Köhler">Koehler</normalizedToken>
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2013
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</bibRefCitation>
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). In addition, the loss of the dart sac apparatus in
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<taxonomicName id="431D99E7D0A3082171F5E9BAFEEB95FE" authorityName="Pilsbry" authorityYear="1934" lsidName="" pageId="0" pageNumber="1" rank="subFamily" subFamily="Bradybaeninae">Bradybaeninae</taxonomicName>
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and/or
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<taxonomicName id="589C8E761AAF2C57AEF722A45929126A" authorityName="Pilsbry" authorityYear="1895" lsidName="" pageId="0" pageNumber="1" rank="subFamily" subFamily="Camaeninae">Camaeninae</taxonomicName>
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is not a frequent event during the evolution of
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<taxonomicName id="62697429206ADED9C213379858B7CDAD" authorityName="Pilsbry" authorityYear="1895" class="Gastropoda" family="Camaenidae" kingdom="Animalia" lsidName="" order="Stylommatophora" pageId="0" pageNumber="1" phylum="Mollusca" rank="family">Camaenidae</taxonomicName>
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(Fig.
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<figureCitation id="69DF214AFD23D7359E46104F1560FD21" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Bayesian Inferences of camaenids (representatives of genera in Table 1) based on partial mitochondrial 16 S and CO 1 sequences. Numbers near nodes indicate Bayesian posterior probabilities. The squares on the right of each taxon name indicate its character states. Abbreviations: PS: penial sheath; EpP: epiphallic papilla; PC: penial caecum; Fl: flagellum; DS: dart sac apparatus A phylogram without Australian camaenids B the results of ancestral states (tagged on branch in red, blue, or black) reconstruction mapping on the phylogram with some Australian camaenid genera added. Orange part: the topologies supported by the results respectively by using both Bayesian Inference and Maximum Likelihood methods. Character states are from Schileyko (2003) and Wu (2019). Scale bars for substitutions per site." figureDoi="10.3897/zookeys.1059.68385.figure1" httpUri="https://binary.pensoft.net/fig/584114" pageId="0" pageNumber="1">1B</figureCitation>
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). Based on these two considerations, we consider it is reasonable to distinguish this new camaenid taxon as a monotypic genus represented by the new species described below.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |