194 lines
18 KiB
XML
194 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.634.10236" ID-GBIF-Dataset="55849f68-958e-48bb-82a3-d36ac710cc8f" ID-PMC="PMC5126529" ID-Pensoft-Pub="1313-2970-634-29" ID-PubMed="27917048" ID-ZBK="DE749CCDE7A948B7923E4F33D2A47CD5" ModsDocAuthor="" ModsDocDate="2016" ModsDocID="1313-2970-634-29" ModsDocOrigin="ZooKeys 634" ModsDocTitle="Descriptions of two new species of the genus Camaena from Guangxi, China (Gastropoda, Stylommatophora, Camaenidae)" checkinTime="1479793301573" checkinUser="pensoft" docAuthor="Ai, Hong-Mu, Lin, Jun-Hong, Wang, Pei, Zhou, Wei-Chuan & Hwang, Chung-Chi" docDate="2016" docId="22DB9D20B10CC148C01A6CE4873C11B1" docLanguage="en" docName="ZooKeys 634: 29-45" docOrigin="ZooKeys 634" docSource="http://dx.doi.org/10.3897/zookeys.634.10236" docTitle="Camaena detianensis Zhou & Lin, sp. n." docType="treatment" docUuid="5F5B2C7E-954C-4644-8644-9873877959C5" docUuidSource="ZooBank" docVersion="5" lastPageNumber="38" masterDocId="FFEBFFE9FF93BD53FFCDFF9102115D57" masterDocTitle="Descriptions of two new species of the genus Camaena from Guangxi, China (Gastropoda, Stylommatophora, Camaenidae)" masterLastPageNumber="45" masterPageNumber="29" pageNumber="35" updateTime="1668163726491" 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>Descriptions of two new species of the genus Camaena from Guangxi, China (Gastropoda, Stylommatophora, Camaenidae)</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>Ai, Hong-Mu</mods:namePart>
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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>Lin, Jun-Hong</mods:namePart>
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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>Wang, Pei</mods:namePart>
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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>Zhou, Wei-Chuan</mods:namePart>
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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>Hwang, Chung-Chi</mods:namePart>
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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>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2016</mods:date>
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<mods:detail type="volume">
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<mods:number>634</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>29</mods:start>
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<mods:end>45</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/zookeys.634.10236</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/zookeys.634.10236</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-634-29</mods:identifier>
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<mods:identifier type="ZBK">DE749CCDE7A948B7923E4F33D2A47CD5</mods:identifier>
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<mods:identifier type="ZooBank">DE749CCDE7A948B7923E4F33D2A47CD5</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="127901222" LSID="urn:lsid:zoobank.org:act:5F5B2C7E-954C-4644-8644-9873877959C5" httpUri="http://treatment.plazi.org/id/22DB9D20B10CC148C01A6CE4873C11B1" lastPageId="9" lastPageNumber="38" pageId="6" pageNumber="35">
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<subSubSection pageId="6" pageNumber="35" type="multiple">
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<paragraph pageId="6" pageNumber="35">Taxon classification Animalia Stylommatophora Camaenidae</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="35" type="nomenclature">
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<paragraph pageId="6" pageNumber="35">
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<taxonomicName LSID="http://zoobank.org/5F5B2C7E-954C-4644-8644-9873877959C5" authority="Zhou & Lin" class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena detianensis" order="Stylommatophora" pageId="6" pageNumber="35" phylum="Mollusca" rank="species" species="detianensis">Camaena detianensis Zhou & Lin</taxonomicName>
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<taxonomicNameLabel pageId="6" pageNumber="35">sp. n.</taxonomicNameLabel>
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Figs 3B, 4B, 5B, Table 3
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="36" type="holotype">
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<paragraph pageId="7" pageNumber="36">
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<pageBreakToken pageId="7" pageNumber="36" start="start">Holotype</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="7" pageNumber="36">[FJIQBC 18472] Shell height 38.5 mm, shell width 61.4 mm, height of aperture 22.5 mm, width of aperture 26.2 mm, 21 May 2013, collected from the type locality.</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="36" type="paratype">
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<paragraph pageId="7" pageNumber="36">Paratype.</paragraph>
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<paragraph pageId="7" pageNumber="36">
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[FJIQBC 18473- 18482] 10 specimens: all live snails including 4 adults and 6 juveniles. Shell height 34.2-40.4 (38.46
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<normalizedToken originalValue="±">+/-</normalizedToken>
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2.49) mm, width 55.0-62.5 (59.60
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<normalizedToken originalValue="±">+/-</normalizedToken>
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2.41) mm, height of aperture 19.6-23.9 (22.44
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<normalizedToken originalValue="±">+/-</normalizedToken>
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1.67) mm, width of aperture 24.2-28.1 (25.86
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<normalizedToken originalValue="±">+/-</normalizedToken>
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1.58) mm, 21 May 2013, collected from holotype locality.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="36" type="type locality">
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<paragraph pageId="7" pageNumber="36">Type locality.</paragraph>
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<paragraph pageId="7" pageNumber="36">
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Detian Falls, Daxin, Guangxi, China (
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="22.858206">22°51'29.54"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="106.72042">106°43'13.51"E</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="36" type="etymology">
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<paragraph pageId="7" pageNumber="36">Etymology.</paragraph>
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<paragraph pageId="7" pageNumber="36">Named for the type locality, adjective.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="9" lastPageNumber="38" pageId="7" pageNumber="36" type="description">
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<paragraph pageId="7" pageNumber="36">Description.</paragraph>
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<paragraph lastPageId="8" lastPageNumber="37" pageId="7" pageNumber="36">
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Shell. Shell sinistral, large, thick, solid, non-transparent and depressed-globular. 5.5 whorls, the front whorls increasing and convex rapidly. Spire arched. Body whorl expanding with an acute carina at periphery and a shallow groove-like depression above and below the carina, obviously near the aperture. Apex quite blunt. Growth lines on protoconch visible when using 15
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<normalizedToken originalValue="×">x</normalizedToken>
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magnification. Suture line deep. Surface dark brown and slightly red with obvious malleation. Spiral bands absent. The upper part of the periphery of body whorl with countless thick growth lines, convex, and the lower part smooth. Spire ribs below the periphery relatively obvious.
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<pageBreakToken pageId="8" pageNumber="37" start="start">Aperture</pageBreakToken>
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lunate. Peristome reflected, white and not sharp. Columellar margin reflected. Umbilicus partly covered by reflected columellar lip. Inner lip attached to the body whorl tightly, forming translucent, smooth and thick callus. Umbilicus obvious and round. A hump beside umbilicus absent.
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</paragraph>
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<paragraph pageId="8" pageNumber="37">Soft body. Foot and tentacles are dark brown, and the head color is relatively light.</paragraph>
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<paragraph lastPageId="9" lastPageNumber="38" pageId="8" pageNumber="37">
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Reproductive system. Penis slightly long, slender and smooth. Epiphallus long and thin. Penis retractor muscle short, wide and flat. Flagellum very slender and long. Va
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<pageBreakToken pageId="9" pageNumber="38" start="start">gina</pageBreakToken>
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smooth and slender. Vas deferens slender. Bursa copulatrix oval. Pedunculus of bursa copulatrix quite long, expanded at the base. Inner penial wall supporting several longitudinal, dense, and curly pilasters with narrow space. Verge long conical with many shallow, longitudinal and narrow pilasters. A shallow transverse microgrooves at the apical 1/3, surrounding the verge. A harelip-like crack at the end of verge. Verge opens terminally.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="38" type="ecology">
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<paragraph pageId="9" pageNumber="38">Ecology.</paragraph>
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<paragraph pageId="9" pageNumber="38">The species was found on limestone in Daxin county of Guangxi province. It generally lives in primeval forest or forest with a good ecological environment, and cannot be found in gardens near the forest. The population density of this new species in field is relatively low.</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="38" type="remarks">
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<paragraph pageId="9" pageNumber="38">Remarks.</paragraph>
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<paragraph pageId="9" pageNumber="38">
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The key characters of
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena detianensis" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="detianensis">Camaena detianensis</taxonomicName>
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sp. n. and the other eight sinistral
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="genus">Camaena</taxonomicName>
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are presented in the identification key. The carina and groove above and below the carina of
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena detianensis" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="detianensis">Camaena detianensis</taxonomicName>
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sp. n. are typical features, which are different from other species of
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="genus">Camaena</taxonomicName>
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except for
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena hahni" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="hahni">Camaena hahni</taxonomicName>
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. There is no obvious groove-like depression above and below the periphery of
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena hahni" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="hahni">Camaena hahni</taxonomicName>
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.
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</paragraph>
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<paragraph pageId="9" pageNumber="38">
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The differences of shell between the new species and
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena cicatricosa" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="cicatricosa">Camaena cicatricosa</taxonomicName>
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were as follows: (1)
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena detianensis" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="detianensis">Camaena detianensis</taxonomicName>
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sp. n. is quite large, and the largest width can reach 62.5 mm, while the maximum width of shell of
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena cicatricosa" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="cicatricosa">Camaena cicatricosa</taxonomicName>
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is less than 50 mm (2) The shell of this species is dark brown without spiral bands, while the shell of
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena cicatricosa" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="cicatricosa">Camaena cicatricosa</taxonomicName>
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is yellowish brown, and contains many annular spiral bands (3) There is an acute carina at periphery of body whorl of the new species, and groove-like depression above and below the carina, but
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena cicatricosa" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="cicatricosa">Camaena cicatricosa</taxonomicName>
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has no obvious carina.
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</paragraph>
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<paragraph pageId="9" pageNumber="38">
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The new species has similar appearance with
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena hahni" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="hahni">Camaena hahni</taxonomicName>
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, both of which have semi-open umbilicus and a distinct carina at periphery of body whorl, but there still exist differences (1)
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena hahni" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="hahni">Camaena hahni</taxonomicName>
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is relatively small, and the width of shell of mature specimen is generally between 45.0-47.0 mm. While the new species is very large, and the width of shell is generally between 55.0-62.5 mm (2) Compared to the new species,
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena hahni" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="hahni">Camaena hahni</taxonomicName>
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has a sharper carina, but there is no obvious groove-like depression above and below the carina (3) The growth lines and spire ribs of
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena hahni" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="hahni">Camaena hahni</taxonomicName>
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are thicker, and the shell surface is very rough, while that of the new species is relatively finer (4) The new species has thicker callus, while
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena hahni" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="hahni">Camaena hahni</taxonomicName>
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has thinner callus.
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</paragraph>
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<paragraph pageId="9" pageNumber="38">
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A dissection of reproductive system shows that the pilasters of penis wall and verge shape of
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena detianensis" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="detianensis">Camaena detianensis</taxonomicName>
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sp. n. is similar to that of
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena cicatricosa" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="cicatricosa">Camaena cicatricosa</taxonomicName>
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, both of which have longitudinal and curly pilasters on the penis wall with narrow spaces, and the verge is conical with many longitudinal pilasters, while
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena hahni" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="hahni">Camaena hahni</taxonomicName>
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has longitudinal and transverse pilasters on the penis wall, and verge is semicircle and small. There is an annular microgroove on verge, and a harelip-like crack at the end of verge in the new species, which is a diagnostic feature differing from other sinistral
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="genus">Camaena</taxonomicName>
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species.
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</paragraph>
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<paragraph pageId="9" pageNumber="38">
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COI gene p-distances between this new species and other seven sinistral species were 0.073-0.189 (Table 3). On the phylogenetic tree, this new species and
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<taxonomicName class="Gastropoda" family="Camaenidae" genus="Camaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camaena cicatricosa" order="Stylommatophora" pageId="9" pageNumber="38" phylum="Mollusca" rank="species" species="cicatricosa">Camaena cicatricosa</taxonomicName>
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are mutually sister groups, and p-distance of the two species is 0.073-0.086. According to above information, it is reasonable that the species is recognized as a new species (
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<bibRefCitation author="Criscione, F" journalOrPublisher="Contributions to Zoology" pageId="13" pageNumber="42" pagination="245 - 267" title="Molecular phylogenetics and comparative anatomy of Kimberleytrachia Koehler, 2011 - a genus of land snail endemic to the coastal Kimberley, Western Australia with description of new taxa (Gastropoda, Camaenidae)." volume="83" year="2014">
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Criscione and
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<normalizedToken originalValue="Köhler">Koehler</normalizedToken>
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2014
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</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |