174 lines
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174 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1154.86237" ID-Pensoft-Pub="1313-2970-1154-49" ID-Pensoft-UUID="E4F41DD1A11059DAB4A979F00E85D50F" ID-ZooBank="4E410C2ACC03438F8AC7C5370819DE6C" ModsDocID="1313-2970-1154-49" checkinTime="1679436496911" checkinUser="pensoft" docAuthor="Wu, Min, Shen, Wang & Chen, Zhong-Guang" docDate="2023" docId="A3BE6C9E0F9951698407437356ABBE71" docLanguage="en" docName="ZooKeys 1154: 49-147" docOrigin="ZooKeys 1154" docPubDate="2023-03-20" docSource="http://dx.doi.org/10.3897/zookeys.1154.86237" docTitle="Laeocathaica Moellendorff 1899" docType="treatment" docVersion="1" id="E4F41DD1A11059DAB4A979F00E85D50F" lastPageNumber="49" masterDocId="E4F41DD1A11059DAB4A979F00E85D50F" masterDocTitle="Land snail diversity in central China: revision of Laeocathaica Moellendorff, 1899 (Gastropoda, Camaenidae), with descriptions of seven new species" masterLastPageNumber="147" masterPageNumber="49" pageNumber="49" updateTime="1679436496911" updateUser="pensoft">
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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>Land snail diversity in central China: revision of Laeocathaica Moellendorff, 1899 (Gastropoda, Camaenidae), with descriptions of seven new species</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>Wu, Min</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-5434-5544</mods:nameIdentifier>
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<mods:affiliation>School of Life Sciences, Nanjing University, Nanjing 210023, China</mods:affiliation>
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<mods:nameIdentifier type="email">minwu1969@aliyun.com</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>Shen, Wang</mods:namePart>
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<mods:affiliation>School of Life Sciences, Nanjing University, Nanjing 210023, China</mods:affiliation>
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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>Chen, Zhong-Guang</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-2689-3321</mods:nameIdentifier>
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<mods:affiliation>Jiangxi Province Key Laboratory of Watershed Ecosystem Change and Biodiversity, Center for Watershed Ecology, Institute of Life Science and School of Life Sciences, Nanchang University, Nanchang 330031, China</mods:affiliation>
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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>2023</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2023-03-20</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1154</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>49</mods:start>
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<mods:end>147</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.1154.86237</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.1154.86237</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1154-49</mods:identifier>
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<mods:identifier type="ZooBank">4E410C2ACC03438F8AC7C5370819DE6C</mods:identifier>
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<mods:identifier type="Pensoft-UUID">E4F41DD1A11059DAB4A979F00E85D50F</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:A3BE6C9E0F9951698407437356ABBE71" httpUri="http://treatment.plazi.org/id/A3BE6C9E0F9951698407437356ABBE71" lastPageNumber="49" pageId="0" pageNumber="49">
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<subSubSection pageId="0" pageNumber="49" type="nomenclature">
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<paragraph pageId="0" pageNumber="49">
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Genus
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<taxonomicName ID-CoL="7P6QS" ID-ENA="1298412" LSID="A3BE6C9E-0F99-5169-8407-437356ABBE71" authority="Moellendorff, 1899" authorityName="Moellendorff" authorityYear="1899" class="Gastropoda" family="Camaenidae" genus="Laeocathaica" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Laeocathaica" order="Stylommatophora" pageId="0" pageNumber="49" phylum="Mollusca" rank="genus">
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Laeocathaica
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<normalizedToken originalValue="Möllendorff">Moellendorff</normalizedToken>
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, 1899
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="49" type="reference_group">
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<paragraph pageId="0" pageNumber="49">
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<taxonomicName authorityName="Moellendorff" authorityYear="1899" class="Gastropoda" family="Camaenidae" genus="Laeocathaica" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Laeocathaica" order="Stylommatophora" pageId="0" pageNumber="49" phylum="Mollusca" rank="genus">Laeocathaica</taxonomicName>
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<normalizedToken originalValue="Möllendorff">Moellendorff</normalizedToken>
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, 1899: 86;
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<bibRefCitation author="Richardson, L" journalOrPublisher="9, Bradybaenidae: Catalog of species" pageId="0" pageNumber="49" refId="B52" refString="Richardson, L, 1983. Miscellaneous Publications of the Department of Malacology of the Academy of Natural Sciences of Philadelphia, No. 9, Bradybaenidae: Catalog of species" title="Miscellaneous Publications of the Department of Malacology of the Academy of Natural Sciences of Philadelphia, No." year="1983">Richardson 1983</bibRefCitation>
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: 77;
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<bibRefCitation author="Schileyko, AA" journalOrPublisher="Supplement" pageId="0" pageNumber="49" pagination="1627 - 1763" refId="B56" refString="Schileyko, AA, 2004. Treatise on recent terrestrial pulmonate molluscs, Part 12. Bradybaenidae, Xanthonychidae, Epiphragmophoridae, Helminthoglyptidae, Elonidae, Sphincterochilidae, Cochlicellidae. Ruthenica. Supplement 2 (12): 1627 - 1763" title="Treatise on recent terrestrial pulmonate molluscs, Part 12. Bradybaenidae, Xanthonychidae, Epiphragmophoridae, Helminthoglyptidae, Elonidae, Sphincterochilidae, Cochlicellidae. Ruthenica." volume="2" year="2004">Schileyko 2004</bibRefCitation>
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: 1686.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="49" type="type species">
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<paragraph pageId="0" pageNumber="49">Type species.</paragraph>
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<paragraph pageId="0" pageNumber="49">
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<taxonomicName authorityName="H. Adams" authorityYear="1870" class="Gastropoda" family="Camaenidae" genus="Helix" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Helix (Plectotropis) christinae" order="Stylommatophora" pageId="0" pageNumber="49" phylum="Mollusca" rank="species" species="christinae" subGenus="Plectotropis">Helix (Plectotropis) christinae</taxonomicName>
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H. Adams, 1870 (by original designation).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="49" type="description">
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<paragraph pageId="0" pageNumber="49">Description.</paragraph>
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<paragraph pageId="0" pageNumber="49">Shell sinistral, strongly depressed to broadly conic, moderately solid, of 5-10.5 almost flat whorls. Last whorl abruptly descending in front, angulated to strongly keeled; rarely rounded. Coloration consists of whitish, corneous, or chestnut background and mostly with one or two dark sub-peripheral bands; besides, usually there are several fulvous, diffuse radial streaks. Protoconch usually with fine radial threads and/or fine granules that each is formed by a low hump deposited in a shallow socket. Sculpture of teleoconch whorls varying from fine, silky radial striation to rather strong ribbing; on basal surface below keel or angle this sculpture becomes much weaker. Aperture rounded to peach-shaped, oblique, margins usually more or less reflexed. Within aperture a ring-like thickening present. Apertural teeth absent or with one tuberculiform basal tooth and sometimes with another one on palatal wall. During postembryogenesis several sets of teeth, different from those developed at adult stage in shape and/or number, present and remained to adult stage. Umbilicus moderate to very wide, ratio of umbilicus diameter to maximum diameter 0.21-0.50. Height 3.5-14 mm, maximum diameter 10.0-29.5 mm.</paragraph>
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<paragraph pageId="0" pageNumber="49">On left and right side of mantle edge, no leaf-shaped appendage present. Head wart between ommatophores present, weak, or developed. Jaw arcuate, with 3-8 more or less projecting ribs.</paragraph>
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<paragraph pageId="0" pageNumber="49">
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Slender vas deferens entering epiphallus at penial retractor muscle insertion. Penis generally clavate, rarely subcylindrical. Penis internally divided into three regions: the proximal part with narrow or thick longitudinal pilasters, among which one pair or two pairs of adjacent pilasters fuse into one Y-shaped fork or two Y-shaped forks (not in
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<taxonomicName baseAuthorityName="H. Adams" baseAuthorityYear="1870" class="Gastropoda" family="Camaenidae" genus="Laeocathaica" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Laeocathaica christinae" order="Stylommatophora" pageId="0" pageNumber="49" phylum="Mollusca" rank="species" species="christinae">
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<emphasis italics="true" pageId="0" pageNumber="49">Laeocathaica christinae</emphasis>
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</taxonomicName>
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,
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<taxonomicName lsidName="L. phaeomphala" pageId="0" pageNumber="49" rank="species" species="phaeomphala">
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<emphasis italics="true" pageId="0" pageNumber="49">L. phaeomphala</emphasis>
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</taxonomicName>
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, and
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<taxonomicName lsidName="L. qingchuanensis" pageId="0" pageNumber="49" rank="species" species="qingchuanensis">
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<emphasis italics="true" pageId="0" pageNumber="49">L. qingchuanensis</emphasis>
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</taxonomicName>
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Wu, sp. nov.). The median part, composed of fine pilasters that weave into network or covered by isolated tongue-like/diamond-like granules erecting on penial wall. The distal part, near epiphallic opening, with mini-pilasters crowded and forming several short and thick pilasters. Epiphallic papilla absent. Penial sheath always present, surrounding proximal penis. Dart sac always present. Accessory sac presents at ventral dart sac, internally solid or narrowly empty. Mucous glands 2-12, each simply or complicatedly branched, entering accessory sac separately before being united into a common duct inside wall of accessory sac. Proximal section of dart sac with 0-2 PAS that if present, each has a tiny opening leading to dart chamber. Vagina between atrium and dart sac elongated only in a few species. Bursa copulatrix duct subcylindrical throughout (modified from
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<bibRefCitation author="Schileyko, AA" journalOrPublisher="Supplement" pageId="0" pageNumber="49" pagination="1627 - 1763" refId="B56" refString="Schileyko, AA, 2004. Treatise on recent terrestrial pulmonate molluscs, Part 12. Bradybaenidae, Xanthonychidae, Epiphragmophoridae, Helminthoglyptidae, Elonidae, Sphincterochilidae, Cochlicellidae. Ruthenica. Supplement 2 (12): 1627 - 1763" title="Treatise on recent terrestrial pulmonate molluscs, Part 12. Bradybaenidae, Xanthonychidae, Epiphragmophoridae, Helminthoglyptidae, Elonidae, Sphincterochilidae, Cochlicellidae. Ruthenica." volume="2" year="2004">Schileyko 2004</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="49" type="distribution">
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<paragraph pageId="0" pageNumber="49">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="49">China: S Gansu, W Hubei, W Shaanxi, Chongqing, Sichuan.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="49" type="remarks">
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<paragraph pageId="0" pageNumber="49">Remarks.</paragraph>
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<paragraph pageId="0" pageNumber="49">
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<taxonomicName authorityName="Moellendorff" authorityYear="1899" class="Gastropoda" family="Camaenidae" genus="Laeocathaica" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Laeocathaica" order="Stylommatophora" pageId="0" pageNumber="49" phylum="Mollusca" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="49">Laeocathaica</emphasis>
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</taxonomicName>
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species are granulate on the protoconch, which is smooth in actual observation due to erosion or weathering. In the original description of
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<taxonomicName baseAuthorityName="Heude" baseAuthorityYear="1882" class="Gastropoda" family="Camaenidae" genus="Laeocathaica" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Laeocathaica filippina" order="Stylommatophora" pageId="0" pageNumber="49" phylum="Mollusca" rank="species" species="filippina">
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<emphasis italics="true" pageId="0" pageNumber="49">Laeocathaica filippina</emphasis>
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</taxonomicName>
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, Heude (1882) first mentioned the irregular white radiate stripes (1882), which were particularly noted by
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<bibRefCitation DOI="https://doi.org/10.5962/bhl.title.13125" author="Moellendorff, OF" journalOrPublisher="- Petersburg" pageId="0" pageNumber="49" pagination="46 - 144" refId="B24" refString="Moellendorff, OF, 1899. Binnen-Mollusken aus Westchina und Centralasien. I. Annuaire du Musee Zoologique de l'Academie Imperiale des St. -Petersburg 4: 46 - 144, DOI: https://doi.org/10.5962/bhl.title.13125" title="Binnen-Mollusken aus Westchina und Centralasien. I. Annuaire du Musee Zoologique de l'Academie Imperiale des St." url="https://doi.org/10.5962/bhl.title.13125" volume="4" year="1899">
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<normalizedToken originalValue="Möllendorff">Moellendorff</normalizedToken>
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(1899)
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</bibRefCitation>
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as "die stets vorhandenen Jugendlippen (the ever-present juvenile lips)" that joined the definition of
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<taxonomicName authorityName="Moellendorff" authorityYear="1899" class="Gastropoda" family="Camaenidae" genus="Laeocathaica" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Laeocathaica" order="Stylommatophora" pageId="0" pageNumber="49" phylum="Mollusca" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="49">Laeocathaica</emphasis>
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</taxonomicName>
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.
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<bibRefCitation DOI="https://doi.org/10.5962/bhl.title.13125" author="Moellendorff, OF" journalOrPublisher="- Petersburg" pageId="0" pageNumber="49" pagination="46 - 144" refId="B24" refString="Moellendorff, OF, 1899. Binnen-Mollusken aus Westchina und Centralasien. I. Annuaire du Musee Zoologique de l'Academie Imperiale des St. -Petersburg 4: 46 - 144, DOI: https://doi.org/10.5962/bhl.title.13125" title="Binnen-Mollusken aus Westchina und Centralasien. I. Annuaire du Musee Zoologique de l'Academie Imperiale des St." url="https://doi.org/10.5962/bhl.title.13125" volume="4" year="1899">
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<normalizedToken originalValue="Möllendorff">Moellendorff</normalizedToken>
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(1899)
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</bibRefCitation>
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also noticed in
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<taxonomicName authorityName="Mollendorff" authorityYear="1899" class="Gastropoda" family="Camaenidae" genus="Euhadra" kingdom="Animalia" lsidName="Euhadra haplozona" order="Stylommatophora" pageId="0" pageNumber="49" phylum="Mollusca" rank="species" species="haplozona">
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<emphasis italics="true" pageId="0" pageNumber="49">Euhadra haplozona</emphasis>
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</taxonomicName>
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<normalizedToken originalValue="Möllendorff">Moellendorff</normalizedToken>
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, 1899 and
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<taxonomicName authorityName="Mollendorff" authorityYear="1899" class="Gastropoda" family="Camaenidae" genus="Euhadra" kingdom="Animalia" lsidName="Euhadra eris" order="Stylommatophora" pageId="0" pageNumber="49" phylum="Mollusca" rank="species" species="eris">
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<emphasis italics="true" pageId="0" pageNumber="49">Euhadra eris</emphasis>
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</taxonomicName>
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<normalizedToken originalValue="Möllendorff">Moellendorff</normalizedToken>
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, 1899 such "ever-present juvenile lips" exist. The juvenile lips, which have remained on the mature shell, may be frequent and weak such as those of
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<taxonomicName lsidName="L. minwui" pageId="0" pageNumber="49" rank="species" species="minwui">
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<emphasis italics="true" pageId="0" pageNumber="49">L. minwui</emphasis>
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</taxonomicName>
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<normalizedToken originalValue="Páll-Gergely">Pall-Gergely</normalizedToken>
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, 2022 (Fig.
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<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. A Laeocathaica minwui Pall-Gergely, 2022, SMF 24255 a B L. christinae (H. Adams, 1870), HBUMM 01251 - spec. 1." figureDoi="10.3897/zookeys.1154.86237.figure11" httpUri="https://binary.pensoft.net/fig/827354" pageId="0" pageNumber="49">11A</figureCitation>
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) and many other species, or sparse and strong as those of
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<taxonomicName authorityName="Moellendorff" authorityYear="1899" class="Gastropoda" family="Camaenidae" genus="Laeocathaica" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Laeocathaica dityla" order="Stylommatophora" pageId="0" pageNumber="49" phylum="Mollusca" rank="species" species="dityla">
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<emphasis italics="true" pageId="0" pageNumber="49">Laeocathaica dityla</emphasis>
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</taxonomicName>
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(Fig.
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<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. A, B Laeocathaica dejeana (Heude, 1882) A SMF 23919, lectotype B NHMUK 1902.5.13.1 - 2 C-E L. dityla Moellendorff, 1899 C SMF 9086, lectotype D SMF 9087, paratype E HBUMM 00698 - spec. 1." figureDoi="10.3897/zookeys.1154.86237.figure13" httpUri="https://binary.pensoft.net/fig/827356" pageId="0" pageNumber="49">13D</figureCitation>
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) and
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<taxonomicName lsidName="L. parapolytyla" pageId="0" pageNumber="49" rank="species" species="parapolytyla">
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<emphasis italics="true" pageId="0" pageNumber="49">L. parapolytyla</emphasis>
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</taxonomicName>
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Wu, sp. nov. (Fig.
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<figureCitation captionStart="Figure 25" captionStartId="F25" captionText="Figure 25. Laeocathaica parapolytyla Wu, sp. nov. A-E paratypes HBUMM 06640 - spec. 2 - 6 F holotype, HBUMM 06640 - spec. 1 G-I paratypes HBUMM 06640 - spec. 7 - 9. Both A, H show four views B-G, I show apical view only." figureDoi="10.3897/zookeys.1154.86237.figure25" httpUri="https://binary.pensoft.net/fig/827368" pageId="0" pageNumber="49">25</figureCitation>
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). Regarding the genital organs, the Y-shaped forks present on the proximal part of inner wall of the penis were observed exclusively in most anatomically studied
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<taxonomicName authorityName="Moellendorff" authorityYear="1899" class="Gastropoda" family="Camaenidae" genus="Laeocathaica" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Laeocathaica" order="Stylommatophora" pageId="0" pageNumber="49" phylum="Mollusca" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="49">Laeocathaica</emphasis>
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</taxonomicName>
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species among the Chinese dart-sac-bearing camaenids.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |