177 lines
18 KiB
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177 lines
18 KiB
XML
<document id="8682448F80CFB578D2AAB92C711D1AA8" ID-CLB-Dataset="28180" ID-DOI="http://dx.doi.org/10.3897/subtbiol.29.32779" ID-GBIF-Dataset="2e2a9634-a246-42a1-937a-ef68eaba764f" ID-Pensoft-Pub="1314-2615--79" ID-ZooBank="89738F4683164F9195F480A1E3ED0E79" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1314-2615--79" ModsDocOrigin="Subterranean Biology " ModsDocTitle="First record of subterranean freshwater gastropods (Mollusca, Gastropoda, Cochliopidae) from the cenotes of Yucatán state" checkinTime="1553126948306" checkinUser="pensoft" docAuthor="Grego, Jozef, Angyal, Dorottya & Beltran, Luis Arturo Lievano" docDate="2019" docId="590AC9FFAC670FE876291A2F758ED23F" docLanguage="en" docName="SubterBiol 29: 79-88" docOrigin="Subterranean Biology 29" docSource="http://dx.doi.org/10.3897/subtbiol.29.32779" docTitle="Mexicenotica xochii Grego, Angyal & Beltran, 2019, sp. n." docType="treatment" docUuid="909D9B86-182F-4125-B1B7-0263604AE82D" docUuidSource="ZooBank" docVersion="6" lastPageNumber="82" masterDocId="1006FF81FFA1FFBDFFBFFF3DF91EFFFB" masterDocTitle="First record of subterranean freshwater gastropods (Mollusca, Gastropoda, Cochliopidae) from the cenotes of Yucatan state" masterLastPageNumber="88" masterPageNumber="79" pageNumber="81" updateTime="1701376618195" updateUser="ExternalLinkService">
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<mods:mods id="05CF85C1F6B0904EF5BB67EB07E3914E" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="2C09EF2D4E27058C9657411B6DD2F9F9">
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<mods:title id="A99793CF8C64868ED35F82C30E11A818">First record of subterranean freshwater gastropods (Mollusca, Gastropoda, Cochliopidae) from the cenotes of Yucatan state</mods:title>
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<mods:name id="FA80B5447183E70B24CD271449A0B3E3" type="personal">
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<mods:roleTerm id="B8CE31047F7D1B82C0C9382BABE212EB">Author</mods:roleTerm>
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<mods:namePart id="10AD1FB2E9ED99ABC8598B4CF66FE770">Grego, Jozef</mods:namePart>
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<mods:name id="D3070B383B7A5200EC83B60DE63092CF" type="personal">
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<mods:roleTerm id="3C4A0859C7801D1F8E7E193287657A4B">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="46CA7189EB63B14B9AE0AFDD7CC443D7">Angyal, Dorottya</mods:namePart>
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</mods:name>
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<mods:name id="F223FA2E807C3C141BBB9C177A5AF441" type="personal">
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<mods:roleTerm id="6479959CBCAD850EEAA839E385020B7D">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="B7C73EEFFAA1F5A6FE7DD53FFF5BFE18">Beltran, Luis Arturo Lievano</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="EAFAA1B03D3A6DF067D8E58008EB5606">text</mods:typeOfResource>
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<mods:titleInfo id="B10B34D263DE705D257CFE2E26255D08">
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<mods:title id="C492D5DA61192967B0E63D6B558BEC95">Subterranean Biology</mods:title>
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</mods:titleInfo>
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<mods:part id="C13EF53D7DC6C612FEA54686A1880E4E">
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<mods:date id="6C58B4C49C5FA68AEBE11D7AFC0C57C4">2019</mods:date>
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<mods:detail id="194F919AB48B3A9DC743E2ED2F65C451" type="volume">
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<mods:number id="7560E7EA5253EF07DD527D73C0527C44">29</mods:number>
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</mods:detail>
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<mods:extent id="EF9DE6D876510F6241EC24860393B1DF" unit="page">
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<mods:start id="B8DB706E6C8BAC59D771377056F5C356">79</mods:start>
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<mods:end id="932D8839660D2EF6546A2589C7E5BE51">88</mods:end>
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</mods:relatedItem>
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<mods:location id="2CE1C2AB5F71C32790C8B06ED3F9B6A8">
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<mods:url id="8F329E8C24EC2CCFB4057C205A071F55">http://dx.doi.org/10.3897/subtbiol.29.32779</mods:url>
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<mods:classification id="3D1CD0F01294EC01F5BEB43C44B979CF">journal article</mods:classification>
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<mods:identifier id="FB1253A385E0CE44829788A6F1B43D52" type="DOI">http://dx.doi.org/10.3897/subtbiol.29.32779</mods:identifier>
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<mods:identifier id="DC7174E8D3B02BE9BF74675FDAB8CCCB" type="Pensoft-Pub">1314-2615--79</mods:identifier>
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<mods:identifier id="1FF93EF8FC4F19E695662467905EAF58" type="ZooBank">89738F4683164F9195F480A1E3ED0E79</mods:identifier>
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</mods:mods>
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<treatment id="590AC9FFAC670FE876291A2F758ED23F" ID-GBIF-Taxon="154474169" LSID="urn:lsid:zoobank.org:act:909D9B86-182F-4125-B1B7-0263604AE82D" httpUri="http://treatment.plazi.org/id/590AC9FFAC670FE876291A2F758ED23F" lastPageId="3" lastPageNumber="82" pageId="2" pageNumber="81">
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<subSubSection id="8BA602960D7E12ACEE2FF2171390B493" pageId="2" pageNumber="81" type="nomenclature">
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<paragraph id="0DBD8F259E04B1F196233E118A9621E0" pageId="2" pageNumber="81">
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<taxonomicName id="1AEC7BEF8755BCB353CAC3EE94B9C838" ID-CoL="42KQW" LSID="http://zoobank.org/909D9B86-182F-4125-B1B7-0263604AE82D" class="Gastropoda" family="Cochliopidae" genus="Mexicenotica" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mexicenotica xochii" order="Littorinimorpha" pageId="2" pageNumber="81" phylum="Mollusca" rank="species" species="xochii">Mexicenotica xochii</taxonomicName>
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<taxonomicNameLabel id="84F1A7BAD9A3479FAF783FD25FB3FB43" pageId="2" pageNumber="81">sp. n.</taxonomicNameLabel>
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Figures 3-10
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</paragraph>
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</subSubSection>
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<subSubSection id="ADF76A5F9F74A53A48F329D5B1272577" pageId="2" pageNumber="81" type="diagnosis">
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<paragraph id="070F1E90CB5C75DDA117CD1B12791E95" pageId="2" pageNumber="81">Diagnosis.</paragraph>
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<paragraph id="13FC9687A6B564FCF5384FAD4094C6A7" pageId="2" pageNumber="81">
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The shell shape of the new species closely resembles subterranean species belonging to family
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<taxonomicName id="1F12578EF11D395123BD2830483A37BC" family="Pomatiopsidae" lsidName="" pageId="2" pageNumber="81" rank="family">Pomatiopsidae</taxonomicName>
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from Laos (
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<taxonomicName id="1D45AE4FBC64F0A997882B23DEF2F67C" class="Gastropoda" family="Pomatiopsidae" genus="Tricula" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tricula valenasi" order="Littorinimorpha" pageId="2" pageNumber="81" phylum="Mollusca" rank="species" species="valenasi">Tricula valenasi</taxonomicName>
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Grego, 2018 and
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<taxonomicName id="70E350F8426DFDEF1327AD322666DED5" class="Gastropoda" family="Pomatiopsidae" genus="Tricula" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tricula spelea" order="Littorinimorpha" pageId="2" pageNumber="81" phylum="Mollusca" rank="species" species="spelea">Tricula spelea</taxonomicName>
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Grego, 2018), and the fine fragile faintly corrugated aperture margin is reminiscent of some cave dwelling specimens of pomatiopsid
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<taxonomicName id="9601CE494AD0D36C8F0A9B10F88B4D74" class="Gastropoda" family="Cochliopidae" genus="Spiripockia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Spiripockia punctata" order="Littorinimorpha" pageId="2" pageNumber="81" phylum="Mollusca" rank="species" species="punctata">Spiripockia punctata</taxonomicName>
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(
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<bibRefCitation id="DFD03FA492261A183788BB5B99707D22" author="Simone, RL" journalOrPublisher="Papeis Avulsos de Zoologia" pageId="7" pageNumber="86" pagination="515 - 524" title="A new genus and species of cavernicolous Pomatiopsidae (Mollusca, Caenogastropoda) in Bahia, Brazil." url="https://doi.org/10.1590/S0031-10492012022000001" volume="52" year="2012">Simone 2012</bibRefCitation>
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) from Brazil. However, the geographical distance and absence of pomatiopsid species hitherto known from the
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<normalizedToken id="0C3490F968937A79025D3688808421F6" originalValue="Yucatán">Yucatan</normalizedToken>
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region rather suggest the resemblance in the shell shape of a cochliopid species. From the geographically close
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<taxonomicName id="242A5367A8583B5B3D340BA8F48F5A44" family="Cochliopidae" lsidName="" pageId="2" pageNumber="81" rank="family">Cochliopidae</taxonomicName>
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species, the closest resemblance in the shell shape is found in the Mesoamerican genus
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<taxonomicName id="DA2364A6DEE8C65BB3B9B4A025837190" class="Gastropoda" family="Cochliopidae" genus="Aroapyrgus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aroapyrgus" order="Littorinimorpha" pageId="2" pageNumber="81" phylum="Mollusca" rank="genus">Aroapyrgus</taxonomicName>
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H.B. Baker, 1931 (
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<taxonomicName id="4E7626B116DAE0D81B13398CBAF763D1" class="Gastropoda" family="Cochliopidae" genus="Aroapyrgus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aroapyrgus pasionensis" order="Littorinimorpha" pageId="2" pageNumber="81" phylum="Mollusca" rank="species" species="pasionensis">Aroapyrgus pasionensis</taxonomicName>
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(Goodrich & Van der Schalie, 1937) from Alta Verapaz, Guatemala), but the new species differs by its more elongated conical shape, with a less prominent body whorl and a proportionally smaller aperture. Furthermore, the aperture of
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<taxonomicName id="F142AEB0CC45AEED8A48DBFB58F85C26" lsidName="M. xochii" pageId="2" pageNumber="81" rank="species" species="xochii">M. xochii</taxonomicName>
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sp. n. is expanded and finely marginated by a tiny, corrugated structure, while
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<taxonomicName id="5ED472BDC5656B8B388B060A182B6882" lsidName="A. pasionensis" pageId="2" pageNumber="81" rank="species" species="pasionensis">A. pasionensis</taxonomicName>
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has a rather smooth peristome.
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</paragraph>
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</subSubSection>
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<subSubSection id="A6930B5F078296C538E5335F92E2EFEC" pageId="2" pageNumber="81" type="type locality">
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<paragraph id="A6333D646B426ABFCDC7D08A7EFEA69F" pageId="2" pageNumber="81">Type locality.</paragraph>
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<paragraph id="9C6F28C52303C5745F0EDF77EF14EF5D" pageId="2" pageNumber="81">
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Mexico,
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<normalizedToken id="8A29B8690AA3A3EDECF222552376C631" originalValue="Yucatán">Yucatan</normalizedToken>
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state, Cenotillo Municipality, Cenote Xoch, at 46m deep by SCUBA dive, inside cave sediments,
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<geoCoordinate id="EE557F4AE3C4BA0F559884454EBCC769" direction="north" orientation="latitude" precision="1" value="20.997564">20,997565°N</geoCoordinate>
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;
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<geoCoordinate id="2C7DBC27110B085A0FC03A8AB0D71753" direction="west" orientation="longitude" precision="1" value="-87.93666">87,936659°W</geoCoordinate>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="8FE5EFDFA5D944E76B09781413E5B8F7" pageId="2" pageNumber="81" type="type material">
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<paragraph id="EBAE431484AD19B881945FC5487BD362" pageId="2" pageNumber="81">Type material.</paragraph>
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<paragraph id="0739653241BDD245F74D2300DFD3F647" pageId="2" pageNumber="81">
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Holotype, Type locality: leg. Angyal and
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<normalizedToken id="E3CF240AD64E8A758E572F7C420E7790" originalValue="Liévano">Lievano</normalizedToken>
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, 5 Jan. 2017. (HNHM 104156). Paratypes, same data (coll. Grego 1 specimen); type locality, leg. Angyal and
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<normalizedToken id="45760425FC92EA7E92CAD86DE8B78492" originalValue="Liévano">Lievano</normalizedToken>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="888A4382341265C56EE8AACBB38497E7" pageId="2" pageNumber="81" type="description">
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<paragraph id="4227A1764D0125ACB32444F8F8B8503D" pageId="2" pageNumber="81">Measurements.</paragraph>
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<paragraph id="CA814AC4CB54B24F6482DE93E437C19A" pageId="2" pageNumber="81">Holotype: H 1.84 mm; W 1.05 mm; WB 0.85 mm; AH 0.74, AW 0.56 (holotype). Figs 3-6. Paratype: H 1.82 mm; W 1.08 mm; WB 0.87 mm; AH 0.74, AW 0.56 (holotype). Figs 7-10.</paragraph>
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<caption id="FF34477B43879CBAB9460AD5B20B20F4" pageId="2" pageNumber="81">
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<paragraph id="111377026A0E6ABA8CD8DB821DBCB2E9" pageId="2" pageNumber="81">
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Figures 3-10. 3-6:
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<taxonomicName id="F61037164CC0F21A3B6ECFB99815D27C" class="Gastropoda" family="Cochliopidae" genus="Mexicenotica" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mexicenotica xochii" order="Littorinimorpha" pageId="2" pageNumber="81" phylum="Mollusca" rank="species" species="xochii">Mexicenotica xochii</taxonomicName>
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sp. n. 46 m deep from Cenote Xoch, Cenotillo,
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<normalizedToken id="53B78BF6E422B115ACFF6E6DF035BBEC" originalValue="Yucatán">Yucatan</normalizedToken>
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, Mexico (holotype, HNHM 104156) 7-10:
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<taxonomicName id="8EE6602693E1A437C22BE14AA0293179" lsidName="M. xochii" pageId="2" pageNumber="81" rank="species" species="xochii">M. xochii</taxonomicName>
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sp. n. (paratype, coll. JG).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection id="D1016A1DF9CA60BC546BEB519D79F28D" pageId="2" pageNumber="81" type="etymology">
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<paragraph id="EE6FE979CC3B20CB7B651CF27E650FBC" pageId="2" pageNumber="81">Etymology.</paragraph>
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<paragraph id="A54FD0A1A866AEBE929428C242A858C5" pageId="2" pageNumber="81">
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Derived from the type locality in Cenote Xoch, Cenotillo municipality,
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<normalizedToken id="D24AAB25988ACDB713ECF82519F279D6" originalValue="Yucatán">Yucatan</normalizedToken>
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state, Mexico.
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</paragraph>
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</subSubSection>
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<subSubSection id="937EC766B18769D4405F050F02C6BC87" pageId="2" pageNumber="81" type="description">
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<paragraph id="1B749715EB5799E652DC48B24D4AE51F" pageId="2" pageNumber="81">Description.</paragraph>
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<paragraph id="B0435EF1534933DF1D1A5ADBDBEF1360" pageId="2" pageNumber="81">The snow-white elongate-conical shell with five rounded slightly convex whorls with a weak suture and a blunt apex. The surface smooth and shiny with very faint, almost invisible, transverse growth lines. Aperture elongate oval, ear-shaped, adapically, separated from the body whorl by a weak furrow. The peristome margin expanded, and its reflexed outline bordered by a slightly corrugated, thin and fragile collar. The columellar lip very slightly wavy in its lateral plane, the outer lip straight. Umbilicus closed and obscured.</paragraph>
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</subSubSection>
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<subSubSection id="636E109704DCF170FCC57559225EFFFD" pageId="3" pageNumber="82" type="habitat">
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<paragraph id="D190195E5603F0EFC514FE4D437C9760" pageId="3" pageNumber="82">
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<pageBreakToken id="CADA5DAB1899526C0C10FE583A4DA53E" pageId="3" pageNumber="82" start="start">Habitat</pageBreakToken>
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.
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</paragraph>
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<paragraph id="5462EB306DF787009732B83D436FC4DC" pageId="3" pageNumber="82">
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The cenote Xoch is a deep vertical cavern (Fig. 2.) with abundant sediments of plant debris found up to its depth at more than 70m. The cave system has one shallower and a deeper horizontal cave passage at 21m and more than 50m, respectively. The water temperature is 25°C. The organic material deposited in the cenote has two main resources: the epigean decaying dead plants and the belt of indigenous live green algae alongside the cavern walls from the water surface down to 11m depth. The sample with empty shells was taken during dive into 53m depth and at 400m horizontal cave passage. It was taken from a thick organic sediment deposited at 46 m depth. Inside the same sample, specimens of minute bivalvians of cf.
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<taxonomicName id="DF4A072CD98D47446451A6EBD4212B06" class="Bivalvia" family="Sphaeriidae" genus="Pisidium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pisidium" order="Sphaeriida" pageId="3" pageNumber="82" phylum="Mollusca" rank="genus">Pisidium</taxonomicName>
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sp. and a few specimens of ostracods were also found. During the research dive, individuals of stygobiont crustaceans, such as
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<taxonomicName id="C5A35631BD0CF445798D510ACDC53588" class="Malacostraca" family="Mysidae" genus="Antromysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Antromysis cenotensis" order="Mysida" pageId="3" pageNumber="82" phylum="Arthropoda" rank="species" species="cenotensis">Antromysis cenotensis</taxonomicName>
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Creaser, 1936,
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<taxonomicName id="9B29737EB8FA103BE5BD5FA2DB064E8B" class="Malacostraca" family="Cirolanidae" genus="Creaseriella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Creaseriella anops" order="Isopoda" pageId="3" pageNumber="82" phylum="Arthropoda" rank="species" species="anops">Creaseriella anops</taxonomicName>
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(Creaser, 1936), and
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<taxonomicName id="A93E2518E9CC4F0EC68F3024BC5959E4" class="Malacostraca" family="Atyidae" genus="Typhlatya" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Typhlatya" order="Decapoda" pageId="3" pageNumber="82" phylum="Arthropoda" rank="genus">Typhlatya</taxonomicName>
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sp. were also collected at the free water column of the cavern.
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<taxonomicName id="A3D946EB2BD2BC88C5BDD9F6F1892722" lsidName="Crustacea" order="Trichoptera" pageId="3" pageNumber="82" rank="order">Trichoptera</taxonomicName>
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and
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<taxonomicName id="75EB72549456C0FB07A19134D8F9E3A1" lsidName="Crustacea" order="Plecoptera" pageId="3" pageNumber="82" rank="order">Plecoptera</taxonomicName>
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larvae, as well as ostracods and water mites were collected in the green algae layer from the cave walls.
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</paragraph>
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</subSubSection>
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<subSubSection id="92A5000E6D3B1B674F8252CDDE86DF81" pageId="3" pageNumber="82" type="distribution">
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<paragraph id="1D0B2BFF7B231F1EF385E380C9F1259E" pageId="3" pageNumber="82">Distribution.</paragraph>
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<paragraph id="33FD1C7AB38F4875594D1492027C4F7C" pageId="3" pageNumber="82">
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Only known from the type locality. Within the type locality the new species was found together with the
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<taxonomicName id="02CE56B96C2E5624468AE3E5D48BB497" class="Gastropoda" family="Cochliopidae" genus="Pyrgophorus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pyrgophorus thompsoni" order="Littorinimorpha" pageId="3" pageNumber="82" phylum="Mollusca" rank="species" species="thompsoni">Pyrgophorus thompsoni</taxonomicName>
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sp. n., and cf.
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<taxonomicName id="7F6C9190237549ADB6359C6A337CA943" class="Bivalvia" family="Sphaeriidae" genus="Pisidium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pisidium" order="Sphaeriida" pageId="3" pageNumber="82" phylum="Mollusca" rank="genus">Pisidium</taxonomicName>
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sp.
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</paragraph>
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</subSubSection>
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<subSubSection id="8283556792CD455BDAD6281CE26D8E83" pageId="3" pageNumber="82" type="remarks">
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<paragraph id="85B3C9A6D5A8AF8DB336D4083CE1C32C" pageId="3" pageNumber="82">Remarks.</paragraph>
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<paragraph id="43EC2F1ACA14CCC4AE9DB68C2D0AF75A" pageId="3" pageNumber="82">
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Due to absence of molecular and anatomical data, the proposed positioning of the new genus in the family
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<taxonomicName id="3365701C4623A4061DE8586535290AE9" family="Cochliopidae" lsidName="" pageId="3" pageNumber="82" rank="family">Cochliopidae</taxonomicName>
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is only provisional, based on the closest resemblance to the geographically closest relatives, but the overall shell shape with flaring margin shows some resemblance also to the Southeast Asian and Brazilian members of the family
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<taxonomicName id="A2BDEDB6B3FD36F8565A535C5ED40242" family="Pomatiopsidae" lsidName="" pageId="3" pageNumber="82" rank="family">Pomatiopsidae</taxonomicName>
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, which have no close geographical analogue in the region. The new species rather represent by its shape an evolutionary resemblance of a cochliopid species induced by the similar environment to that of the
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<taxonomicName id="59663952E8E3DE7652C992AA19146B05" family="Pomatiopsidae" lsidName="" pageId="3" pageNumber="82" rank="family">Pomatiopsidae</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |