208 lines
33 KiB
XML
208 lines
33 KiB
XML
<document id="204056B3E7EABD90A1BE44AA5321720D" ID-DOI="10.5281/zenodo.278442" ID-GBIF-Dataset="6b9505e0-ac6e-4baa-9066-6f729d38e9e2" ID-ISSN="1175-5326" ID-Zenodo-Dep="278442" IM.bibliography_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460341493798" checkinUser="plazi" docAuthor="Hershler, Robert, Liu, Hsiu-Ping & Landye, Jerry" docDate="2011" docId="03E687C5BF6E8314FF2E12DFFCF11D33" docLanguage="en" docName="zt03001p032.pdf" docOrigin="Zootaxa 3001" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Tryonia oasiensis Hershler, Liu & Landye, 2011, sp. nov." docType="treatment" docVersion="8" lastPageNumber="27" masterDocId="FFDFFFBDBF77830EFFB9171AFFA4194F" masterDocTitle="New species and records of springsnails (Caenogastropoda: Cochliopidae: Tryonia) from the Chihuahuan Desert (Mexico and United States), an imperiled biodiversity hotspot" masterLastPageNumber="32" masterPageNumber="1" pageNumber="26" updateTime="1698261240372" updateUser="plazi">
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<mods:title id="B85F1D701B51A57D6E205E0999371D10">New species and records of springsnails (Caenogastropoda: Cochliopidae: Tryonia) from the Chihuahuan Desert (Mexico and United States), an imperiled biodiversity hotspot</mods:title>
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<mods:name id="CECA630EA316FD46F25606AB62FEBF95" type="personal">
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<mods:namePart id="4461E95CC4D28CFD35ACBEAE791205E9">Hershler, Robert</mods:namePart>
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<mods:roleTerm id="EE60E3CE69E070B24A1D76FC06247315">Author</mods:roleTerm>
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<mods:namePart id="0D03F371DA618F4D7BBC4CA475B18BC2">Liu, Hsiu-Ping</mods:namePart>
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<mods:roleTerm id="02AF9DA9F4FB35025C898F71CF16C128">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="F0F32DCC982E75F1525CCA9215B5248A">Landye, Jerry</mods:namePart>
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<mods:typeOfResource id="57276130BA0F0AB6A3D2375474CEC87B">text</mods:typeOfResource>
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<mods:title id="EF2107F9C389725DF0454F2B2AEACEAC">Zootaxa</mods:title>
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<mods:date id="D3C0C49E2781C045FCAF9F34F02F100B">2011</mods:date>
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<mods:classification id="0888DE266268A2B2BB101F2D7C2D64CE">journal article</mods:classification>
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<mods:identifier id="5C759F1E6CAF709C8DA27FD3B7DBC429" type="DOI">10.5281/zenodo.278442</mods:identifier>
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<mods:identifier id="B787F8350CDE929CB346B34571263E3E" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="8636015DBE7C65CA988F3D470D847606" type="Zenodo-Dep">278442</mods:identifier>
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<treatment id="03E687C5BF6E8314FF2E12DFFCF11D33" ID-DOI="http://doi.org/10.5281/zenodo.5629215" ID-GBIF-Taxon="119406538" ID-Zenodo-Dep="5629215" LSID="urn:lsid:plazi:treatment:03E687C5BF6E8314FF2E12DFFCF11D33" httpUri="http://treatment.plazi.org/id/03E687C5BF6E8314FF2E12DFFCF11D33" lastPageId="26" lastPageNumber="27" pageId="25" pageNumber="26">
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<subSubSection id="C3556558BF6E8317FF2E12DFFD1C1FC0" pageId="25" pageNumber="26" type="nomenclature">
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<paragraph id="8BF036D3BF6E8317FF2E12DFFE6B1C90" blockId="25.[151,470,1477,1535]" box="[151,463,1477,1503]" pageId="25" pageNumber="26">
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<heading id="D0B881BFBF6E8317FF2E12DFFE6B1C90" bold="true" box="[151,463,1477,1503]" fontSize="11" level="1" pageId="25" pageNumber="26" reason="1">
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<emphasis id="B93BEAC1BF6E8317FF2E12DFFE6B1C90" bold="true" box="[151,463,1477,1503]" pageId="25" pageNumber="26">
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<taxonomicName id="4C4F4D50BF6E8317FF2E12DFFECE1C90" box="[151,362,1477,1503]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="25" pageNumber="26" phylum="Mollusca" rank="species" species="oasiensis" status="sp. nov.">
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<emphasis id="B93BEAC1BF6E8317FF2E12DFFECE1C90" bold="true" box="[151,362,1477,1503]" italics="true" pageId="25" pageNumber="26">Tryonia oasiensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A20857BABF6E8317FECB12DFFE6B1C90" box="[370,463,1477,1503]" pageId="25" pageNumber="26" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BF036D3BF6E8317FF2E12FDFE721CB0" blockId="25.[151,470,1477,1535]" box="[151,470,1511,1535]" pageId="25" pageNumber="26">
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(
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<figureCitation id="13742A56BF6E8317FF2612FDFF411CB0" box="[159,229,1511,1535]" captionStart="FIGURE 5" captionStartId="10.[151,244,1857,1878]" captionTargetBox="[241,1348,158,1832]" captionTargetId="figure@10.[229,1363,145,1846]" captionTargetPageId="10" captionText="FIGURE 5. Penes. A. T. peregrina sp. nov., USNM 1153677. B. T. zaragozae sp. nov., USNM 1153679. C. T. ovata sp. nov., USNM 1153676. D. T. angosturae sp. nov., USNM 874174. E. T. molinae sp. nov., USNM 1153674. F. T. contrerasi sp. nov., USNM 1153670. G. T. taylori sp. nov., USNM 874047. H. T. taylori sp. nov., USNM 873252. I. T. metcalfi sp. nov., USNM 1153672. J. T. chuviscarae sp. nov., USNM 1001756. K. T. minckleyi sp. nov., USNM 1153673. L. T. julimesensis sp. nov., USNM 1153671. M. T. allendae sp. nov., USNM 1153667. N. T. oasiensis sp. nov., USNM 1153675. O. T. seemani, USNM 874125. P. T. seemani, USNM 874123. Scale bars = 250 µm. Db = distal bulb, Pa = papilla, Pd = penial duct, St = stylet." httpUri="https://zenodo.org/record/278447/files/figure.png" pageId="25" pageNumber="26">Figs 5</figureCitation>
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N, 12A–B, F–G, J–L)
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</paragraph>
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<paragraph id="8BF036D3BF6E8317FF2E112AFD1C1FC0" blockId="25.[151,1436,1583,2004]" pageId="25" pageNumber="26">
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<emphasis id="B93BEAC1BF6E8317FF2E112AFF7E1F07" bold="true" box="[151,218,1584,1608]" pageId="25" pageNumber="26">
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<typeStatus id="54F48871BF6E8317FF2E112AFF7E1F07" box="[151,218,1584,1608]" pageId="25" pageNumber="26">Types</typeStatus>
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</emphasis>
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.
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<typeStatus id="54F48871BF6E8317FF551135FEF31F08" box="[236,343,1583,1607]" pageId="25" pageNumber="26" type="holotype">Holotype</typeStatus>
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, USNM 1123759, Caroline Spring, upper reach of outflow of lower-most pond, Terrell County, Texas,
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<geoCoordinate id="EE7B5014BF6E8317FF5E114EFEDE1F23" box="[231,378,1620,1644]" direction="north" orientation="latitude" pageId="25" pageNumber="26" precision="1" value="30.467278">30º28'2.2" N</geoCoordinate>
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,
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<geoCoordinate id="EE7B5014BF6E8317FE3E114EFD881F23" box="[391,556,1620,1644]" direction="west" orientation="longitude" pageId="25" pageNumber="26" precision="1" value="-101.801834">101º48'6.6" W</geoCoordinate>
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, leg. R.H. and J.J.L.,
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<date id="FFF11013BF6E8317FC9A114EFC051F23" box="[803,929,1620,1644]" pageId="25" pageNumber="26" value="2009-03-30">30/iii/2009</date>
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.
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<typeStatus id="54F48871BF6E8317FC14114FFBBE1F22" box="[941,1050,1621,1645]" pageId="25" pageNumber="26" type="paratype">Paratypes</typeStatus>
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(from same lot; 12 dry shells and 15 alcohol-preserved animals), USNM 1153675.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3556558BF6E8317FF7E1186FB131FFB" box="[199,1207,1692,1716]" pageId="25" pageNumber="26" type="etymology">
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<paragraph id="8BF036D3BF6E8317FF7E1186FB131FFB" blockId="25.[151,1436,1583,2004]" box="[199,1207,1692,1716]" pageId="25" pageNumber="26">
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<emphasis id="B93BEAC1BF6E8317FF7E1186FEE21FFB" bold="true" box="[199,326,1692,1716]" pageId="25" pageNumber="26">Etymology</emphasis>
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. The specific epithet refers to the distribution of this snail on the Oasis Ranch.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3556558BF6E8317FF7E11A5FCBE1EC3" pageId="25" pageNumber="26" type="diagnosis">
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<paragraph id="8BF036D3BF6E8317FF7E11A5FCBE1EC3" blockId="25.[151,1436,1583,2004]" pageId="25" pageNumber="26">
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<emphasis id="B93BEAC1BF6E8317FF7E11A5FE9E1F97" bold="true" box="[199,314,1727,1752]" pageId="25" pageNumber="26">Diagnosis</emphasis>
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. Shell medium-sized, conic; penis having two distal papillae on the inner edge and a basal papilla on the outer edge. Distinguished from its two Pecos River basin congeners by its less convex teleoconch whorls and smooth inner side of the operculum. Further differentiated from
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<taxonomicName id="4C4F4D50BF6E8317FC351013FB631E50" authority="Pilsbry, 1935" authorityName="Pilsbry" authorityYear="1935" box="[908,1223,1799,1824]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="25" pageNumber="26" phylum="Mollusca" rank="species" species="cheatumi">
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<emphasis id="B93BEAC1BF6E8317FC351013FBB61E6F" box="[908,1042,1800,1824]" italics="true" pageId="25" pageNumber="26">T. cheatumi</emphasis>
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(
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<bibRefCitation id="EFDE4B22BF6E8317FB9C101DFB1B1E50" author="Pilsbry" box="[1061,1215,1799,1823]" pageId="25" pageNumber="26" refString="Pilsbry, H. A. (1935) Western and southwestern Amnicolidae and a new Humboldtiana. The Nautilus, 48, 91 - 94." type="journal article" year="1935">Pilsbry, 1935</bibRefCitation>
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)
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</taxonomicName>
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in having a basal papilla on the inner edge of the penis, broader central radular teeth, and longer outer wing of the lateral radular teeth; and from
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<taxonomicName id="4C4F4D50BF6E8317FEF3104BFD5B1E28" authority="Leonard & Ho, 1960" authorityName="Leonard & Ho" authorityYear="1960" box="[330,767,1871,1896]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="25" pageNumber="26" phylum="Mollusca" rank="species" species="circumstriata">
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<emphasis id="B93BEAC1BF6E8317FEF3104BFE5F1E27" box="[330,507,1873,1896]" italics="true" pageId="25" pageNumber="26">T. circumstriata</emphasis>
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(
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<bibRefCitation id="EFDE4B22BF6E8317FDB31055FD531E28" author="Leonard" box="[522,759,1871,1896]" pageId="25" pageNumber="26" refString="Leonard, A. B. & Ho, T. - Y. (1960) New Calipyrgula from Pleistocene of Texas and notes on Cochliopina riograndensis. The Nautilus, 73, 125 - 129, plates 12 - 13." type="journal article" year="1960">Leonard & Ho, 1960</bibRefCitation>
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)
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</taxonomicName>
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in having weaker spiral sculpture on the teleoconch whorls and lacking a basal papilla on the inner edge of the penis.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3556558BF6E8314FF7E108DFC911B83" lastPageId="26" lastPageNumber="27" pageId="25" pageNumber="26" type="description">
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<paragraph id="8BF036D3BF6E8314FF7E108DFE7B19B8" blockId="25.[151,1436,1583,2004]" lastBlockId="26.[151,1437,151,1149]" lastPageId="26" lastPageNumber="27" pageId="25" pageNumber="26">
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<emphasis id="B93BEAC1BF6E8317FF7E108DFEF51EFF" bold="true" box="[199,337,1943,1968]" pageId="25" pageNumber="26">Description</emphasis>
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. Shell (
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<figureCitation id="13742A56BF6E8317FE101082FE5D1EFF" box="[425,505,1944,1968]" captionStart="FIGURE 12" captionStartId="27.[151,244,1816,1837]" captionTargetBox="[151,1436,175,1794]" captionTargetId="figure@27.[151,1436,171,1795]" captionTargetPageId="27" captionText="FIGURE 12. Tryonia oasiensis sp. nov. and Tryonia seemani (Frauenfeld). A. Holotype, T. oasiensis, USNM 1123759. B. Male shell, T. oasiensis, USNM 1153675. C. Shell, T. seemani, USNM 874123. D – E. Shells, T. seemani, USNM 874125 (D is a male). F – G. Operculum (outer, inner sides), T. oasiensis, USNM 1153675. H – I. Operculum (outer, inner sides), T. seemani, USNM 874123. J. Portion of radular ribbon, T. oasiensis, USNM 1153675. K. Central radular teeth, T. oasiensis, USNM 1153675. L. Lateral teeth, T. oasiensis, USNM 1153675. M. Portion of radular ribbon, T. seemani, USNM 874123. N. Central radular teeth, T. seemani, USNM 874123. O. Lateral tooth, T. seemani, USNM 874123. Scale bars A – E = 1.0 mm, F – I = 250 µm, J = 25 µm. K – O = 10 µm." httpUri="https://zenodo.org/record/278454/files/figure.png" pageId="25" pageNumber="26">Fig. 12</figureCitation>
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A–B) up to
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<quantity id="4CB79B36BF6E8317FD391082FD721EFF" box="[640,726,1944,1968]" metricMagnitude="-3" metricUnit="m" metricValue="3.4" pageId="25" pageNumber="26" unit="mm" value="3.4">3.4 mm</quantity>
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tall, large females having 6.25–6.50 whorls, spire height about 180% width of shell, male shells smaller than those of females. Teleoconch whorls weak convex, evenly rounded, sutures adpressed. Aperture ovate, adapically angled, inner lip complete, thin, adnate, umbilicus narrow or absent. Outer lip thin, orthocline or weakly prosocline. Sculpture of strong growth lines and, in some specimens, weak spiral threads. Periostracum tan.
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</paragraph>
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<paragraph id="8BF036D3BF6D8314FF7E161EFC751870" blockId="26.[151,1437,151,1149]" pageId="26" pageNumber="27">
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<emphasis id="B93BEAC1BF6D8314FF7E161EFDA71853" bold="true" box="[199,515,259,284]" pageId="26" pageNumber="27">
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Measurements of
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<typeStatus id="54F48871BF6D8314FE25161EFDA71853" box="[412,515,260,284]" pageId="26" pageNumber="27" type="holotype">holotype</typeStatus>
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</emphasis>
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: height
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<quantity id="4CB79B36BF6D8314FDD9161EFD631853" box="[608,711,260,284]" metricMagnitude="-3" metricUnit="m" metricValue="3.52" pageId="26" pageNumber="27" unit="mm" value="3.52">3.52 mm</quantity>
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, width
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<quantity id="4CB79B36BF6D8314FCA0161EFC241853" box="[793,896,260,284]" metricMagnitude="-3" metricUnit="m" metricValue="1.4" pageId="26" pageNumber="27" unit="mm" value="1.4">1.40 mm</quantity>
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, body whorl height
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<quantity id="4CB79B36BF6D8314FBD8161EFB6D1853" box="[1121,1225,260,284]" metricMagnitude="-3" metricUnit="m" metricValue="1.89" pageId="26" pageNumber="27" unit="mm" value="1.89">1.89 mm</quantity>
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, body whorl width
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<quantity id="4CB79B36BF6D8314FF2E163DFF591870" box="[151,253,295,319]" metricMagnitude="-3" metricUnit="m" metricValue="1.36" pageId="26" pageNumber="27" unit="mm" value="1.36">1.36 mm</quantity>
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, aperture height
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<quantity id="4CB79B36BF6D8314FE01163DFDBA1870" box="[440,542,295,319]" metricMagnitude="-4" metricUnit="m" metricValue="9.7" pageId="26" pageNumber="27" unit="mm" value="0.97">0.97 mm</quantity>
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, aperture width
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<quantity id="4CB79B36BF6D8314FD6A163DFC9D1870" box="[723,825,295,319]" metricMagnitude="-4" metricUnit="m" metricValue="8.1" pageId="26" pageNumber="27" unit="mm" value="0.81">0.81 mm</quantity>
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, 6.25 whorls.
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</paragraph>
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<paragraph id="8BF036D3BF6D8314FF7E1656FCAA1B58" blockId="26.[151,1437,151,1149]" pageId="26" pageNumber="27">
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Outer side of operculum smooth or having edges of last 0.25 operculum whorl weakly frilled (
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<figureCitation id="13742A56BF6D8314FB531656FA98182B" box="[1258,1340,332,356]" captionStart="FIGURE 12" captionStartId="27.[151,244,1816,1837]" captionTargetBox="[151,1436,175,1794]" captionTargetId="figure@27.[151,1436,171,1795]" captionTargetPageId="27" captionText="FIGURE 12. Tryonia oasiensis sp. nov. and Tryonia seemani (Frauenfeld). A. Holotype, T. oasiensis, USNM 1123759. B. Male shell, T. oasiensis, USNM 1153675. C. Shell, T. seemani, USNM 874123. D – E. Shells, T. seemani, USNM 874125 (D is a male). F – G. Operculum (outer, inner sides), T. oasiensis, USNM 1153675. H – I. Operculum (outer, inner sides), T. seemani, USNM 874123. J. Portion of radular ribbon, T. oasiensis, USNM 1153675. K. Central radular teeth, T. oasiensis, USNM 1153675. L. Lateral teeth, T. oasiensis, USNM 1153675. M. Portion of radular ribbon, T. seemani, USNM 874123. N. Central radular teeth, T. seemani, USNM 874123. O. Lateral tooth, T. seemani, USNM 874123. Scale bars A – E = 1.0 mm, F – I = 250 µm, J = 25 µm. K – O = 10 µm." httpUri="https://zenodo.org/record/278454/files/figure.png" pageId="26" pageNumber="27">Fig. 12</figureCitation>
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F); inner side of operculum smooth (
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<figureCitation id="13742A56BF6D8314FE6A1675FD8218C8" box="[467,550,367,391]" captionStart="FIGURE 12" captionStartId="27.[151,244,1816,1837]" captionTargetBox="[151,1436,175,1794]" captionTargetId="figure@27.[151,1436,171,1795]" captionTargetPageId="27" captionText="FIGURE 12. Tryonia oasiensis sp. nov. and Tryonia seemani (Frauenfeld). A. Holotype, T. oasiensis, USNM 1123759. B. Male shell, T. oasiensis, USNM 1153675. C. Shell, T. seemani, USNM 874123. D – E. Shells, T. seemani, USNM 874125 (D is a male). F – G. Operculum (outer, inner sides), T. oasiensis, USNM 1153675. H – I. Operculum (outer, inner sides), T. seemani, USNM 874123. J. Portion of radular ribbon, T. oasiensis, USNM 1153675. K. Central radular teeth, T. oasiensis, USNM 1153675. L. Lateral teeth, T. oasiensis, USNM 1153675. M. Portion of radular ribbon, T. seemani, USNM 874123. N. Central radular teeth, T. seemani, USNM 874123. O. Lateral tooth, T. seemani, USNM 874123. Scale bars A – E = 1.0 mm, F – I = 250 µm, J = 25 µm. K – O = 10 µm." httpUri="https://zenodo.org/record/278454/files/figure.png" pageId="26" pageNumber="27">Fig. 12</figureCitation>
|
||
G). Radula (
|
||
<figureCitation id="13742A56BF6D8314FD0D1675FCA218C8" box="[692,774,367,391]" captionStart="FIGURE 12" captionStartId="27.[151,244,1816,1837]" captionTargetBox="[151,1436,175,1794]" captionTargetId="figure@27.[151,1436,171,1795]" captionTargetPageId="27" captionText="FIGURE 12. Tryonia oasiensis sp. nov. and Tryonia seemani (Frauenfeld). A. Holotype, T. oasiensis, USNM 1123759. B. Male shell, T. oasiensis, USNM 1153675. C. Shell, T. seemani, USNM 874123. D – E. Shells, T. seemani, USNM 874125 (D is a male). F – G. Operculum (outer, inner sides), T. oasiensis, USNM 1153675. H – I. Operculum (outer, inner sides), T. seemani, USNM 874123. J. Portion of radular ribbon, T. oasiensis, USNM 1153675. K. Central radular teeth, T. oasiensis, USNM 1153675. L. Lateral teeth, T. oasiensis, USNM 1153675. M. Portion of radular ribbon, T. seemani, USNM 874123. N. Central radular teeth, T. seemani, USNM 874123. O. Lateral tooth, T. seemani, USNM 874123. Scale bars A – E = 1.0 mm, F – I = 250 µm, J = 25 µm. K – O = 10 µm." httpUri="https://zenodo.org/record/278454/files/figure.png" pageId="26" pageNumber="27">Fig. 12</figureCitation>
|
||
J-L): dorsal edge of central radular teeth weakly concave, basal tongue rounded, median cusps pointed, lateral cusps four–six, basal cusps two–four (innermost larger) (
|
||
<figureCitation id="13742A56BF6D8314FAD7168EFF101880" captionStart="FIGURE 12" captionStartId="27.[151,244,1816,1837]" captionTargetBox="[151,1436,175,1794]" captionTargetId="figure@27.[151,1436,171,1795]" captionTargetPageId="27" captionText="FIGURE 12. Tryonia oasiensis sp. nov. and Tryonia seemani (Frauenfeld). A. Holotype, T. oasiensis, USNM 1123759. B. Male shell, T. oasiensis, USNM 1153675. C. Shell, T. seemani, USNM 874123. D – E. Shells, T. seemani, USNM 874125 (D is a male). F – G. Operculum (outer, inner sides), T. oasiensis, USNM 1153675. H – I. Operculum (outer, inner sides), T. seemani, USNM 874123. J. Portion of radular ribbon, T. oasiensis, USNM 1153675. K. Central radular teeth, T. oasiensis, USNM 1153675. L. Lateral teeth, T. oasiensis, USNM 1153675. M. Portion of radular ribbon, T. seemani, USNM 874123. N. Central radular teeth, T. seemani, USNM 874123. O. Lateral tooth, T. seemani, USNM 874123. Scale bars A – E = 1.0 mm, F – I = 250 µm, J = 25 µm. K – O = 10 µm." httpUri="https://zenodo.org/record/278454/files/figure.png" pageId="26" pageNumber="27">Fig. 12</figureCitation>
|
||
K). Lateral teeth having three–five cusps on both inner and outer sides, length of outer wing about 200% width of cutting edge, central cusp pointed (
|
||
<figureCitation id="13742A56BF6D8314FD8316C6FD2F18BB" box="[570,651,476,500]" captionStart="FIGURE 12" captionStartId="27.[151,244,1816,1837]" captionTargetBox="[151,1436,175,1794]" captionTargetId="figure@27.[151,1436,171,1795]" captionTargetPageId="27" captionText="FIGURE 12. Tryonia oasiensis sp. nov. and Tryonia seemani (Frauenfeld). A. Holotype, T. oasiensis, USNM 1123759. B. Male shell, T. oasiensis, USNM 1153675. C. Shell, T. seemani, USNM 874123. D – E. Shells, T. seemani, USNM 874125 (D is a male). F – G. Operculum (outer, inner sides), T. oasiensis, USNM 1153675. H – I. Operculum (outer, inner sides), T. seemani, USNM 874123. J. Portion of radular ribbon, T. oasiensis, USNM 1153675. K. Central radular teeth, T. oasiensis, USNM 1153675. L. Lateral teeth, T. oasiensis, USNM 1153675. M. Portion of radular ribbon, T. seemani, USNM 874123. N. Central radular teeth, T. seemani, USNM 874123. O. Lateral tooth, T. seemani, USNM 874123. Scale bars A – E = 1.0 mm, F – I = 250 µm, J = 25 µm. K – O = 10 µm." httpUri="https://zenodo.org/record/278454/files/figure.png" pageId="26" pageNumber="27">Fig. 12</figureCitation>
|
||
L). Inner marginal teeth having 15–25 cusps, outer marginal teeth having 24–36 cusps. Radula data are from USNM 1153675.
|
||
</paragraph>
|
||
<paragraph id="8BF036D3BF6D8314FF7E153EFC911B83" blockId="26.[151,1437,151,1149]" pageId="26" pageNumber="27">
|
||
Animal darkly pigmented. Penis (
|
||
<figureCitation id="13742A56BF6D8314FD86153EFD241B73" box="[575,640,548,572]" captionStart="FIGURE 5" captionStartId="10.[151,244,1857,1878]" captionTargetBox="[241,1348,158,1832]" captionTargetId="figure@10.[229,1363,145,1846]" captionTargetPageId="10" captionText="FIGURE 5. Penes. A. T. peregrina sp. nov., USNM 1153677. B. T. zaragozae sp. nov., USNM 1153679. C. T. ovata sp. nov., USNM 1153676. D. T. angosturae sp. nov., USNM 874174. E. T. molinae sp. nov., USNM 1153674. F. T. contrerasi sp. nov., USNM 1153670. G. T. taylori sp. nov., USNM 874047. H. T. taylori sp. nov., USNM 873252. I. T. metcalfi sp. nov., USNM 1153672. J. T. chuviscarae sp. nov., USNM 1001756. K. T. minckleyi sp. nov., USNM 1153673. L. T. julimesensis sp. nov., USNM 1153671. M. T. allendae sp. nov., USNM 1153667. N. T. oasiensis sp. nov., USNM 1153675. O. T. seemani, USNM 874125. P. T. seemani, USNM 874123. Scale bars = 250 µm. Db = distal bulb, Pa = papilla, Pd = penial duct, St = stylet." httpUri="https://zenodo.org/record/278447/files/figure.png" pageId="26" pageNumber="27">Fig. 5</figureCitation>
|
||
N) having two distal papillae on inner edge and a basal papilla on outer edge (15 of
|
||
<specimenCount id="9D49FD5ABF6D8314FE9B155DFE1B1B10" box="[290,447,583,607]" pageId="26" pageNumber="27" type="generic">18 specimens</specimenCount>
|
||
), one specimen differed in having three distal papilla on inner edge, one specimen differed in having a (very small) basal papilla on the inner edge, and one specimen differed in lacking a papilla on the outer edge. Distal bulb of penis expanded laterally on inner side, black; stylet small. Penial duct weakly undulating along most of length. Penial data are from USNM 1153675.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3556558BF6D8314FF7E15CDFE401AA3" pageId="26" pageNumber="27" type="distribution">
|
||
<paragraph id="8BF036D3BF6D8314FF7E15CDFE401AA3" blockId="26.[151,1437,151,1149]" pageId="26" pageNumber="27">
|
||
<emphasis id="B93BEAC1BF6D8314FF7E15CDFE481BBF" bold="true" box="[199,492,727,752]" pageId="26" pageNumber="27">Distribution and habitat</emphasis>
|
||
. Endemic to a single site in the lower Pecos River basin (
|
||
<figureCitation id="13742A56BF6D8314FB3C15CDFB6D1BA0" box="[1157,1225,727,751]" captionStart="FIGURE 1" captionStartId="2.[151,244,1795,1816]" captionTargetBox="[179,1402,157,1789]" captionTargetId="figure@2.[179,1423,125,1806]" captionTargetPageId="2" captionText="FIGURE 1. Map showing the distribution of Tryonia species in the Chihuahuan Desert. 1. Tryonia hertleini, Las Palomas. 2. Tryonia peregrina sp. nov., Ojo Vareleño, northwest of Casas Grandes. 3. Tryonia peregrina sp. nov., Yepomera. 4. Tryonia zaragozae sp. nov., northeast of Ignacio Zaragoza. 5. Tryonia angostura sp. nov., T. ovata sp. nov., south of Galeana. 6. Tryonia molinae sp. nov., El Molino. 7. Tryonia taylori sp. nov., vicinity of Rancho Ojo Caliente. 8. Tryonia contrerasi sp. nov., vicinity of Rancho Nuevo. 9. Tryonia chuviscarae sp. nov., T. minckleyi sp. nov., Balneario de San Diego de Alcala. 10. Tryonia julimesensis sp. nov., south of Julimes. 11. Tryonia allendae sp. nov., southwest of Talamantes. 12. Tryonia metcalfi sp. nov., La Cienega, south of Candelaria. 13. Tryonia oasiensis sp. nov., Caroline Spring, Oasis Ranch. 14. Tryonia cheatumi, Phantom Lake Spring. 15. Tryonia circumstriata, Diamond Y Draw. 16. Tryonia seemani, Ojo de Agua del Obispo, Durango City. 17. Tryonia seemani, Nombre de Dios. 18. Tryonia seemani, Amado Nervo." httpUri="https://zenodo.org/record/278443/files/figure.png" pageId="26" pageNumber="27">Fig. 1</figureCitation>
|
||
, locality 13). This complex of large springs, which is also known as T5 Springs (
|
||
<bibRefCitation id="EFDE4B22BF6D8314FCE815E6FC7D1A5B" author="Brune" box="[849,985,764,788]" pageId="26" pageNumber="27" refString="Brune, G. (1981) Springs of Texas. Volume 1. Branch-Smith Inc., Fort Worth, 566 pp." type="book" year="1981">Brune 1981</bibRefCitation>
|
||
), discharges into two large ponds which have been used for recreational purposes (
|
||
<bibRefCitation id="EFDE4B22BF6D8314FDC21405FCB61A78" author="Karges" box="[635,786,799,823]" pageId="26" pageNumber="27" refString="Karges, J. (2003) Aquatic conservation and The Nature Conservancy in West Texas. In: Garrett, G. P. & Allan, N. L. (Eds), Aquatic fauna of the northern Chihuahuan Desert. Museum of Texas Tech University Special Publications 46, Lubbock, pp. 141 - 150." type="journal article" year="2003">Karges 2003</bibRefCitation>
|
||
).
|
||
<taxonomicName id="4C4F4D50BF6D8314FC9F143BFC481A77" box="[806,1004,801,824]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="oasiensis">
|
||
<emphasis id="B93BEAC1BF6D8314FC9F143BFC481A77" box="[806,1004,801,824]" italics="true" pageId="26" pageNumber="27">Tryonia oasiensis</emphasis>
|
||
</taxonomicName>
|
||
was found in low abundance (in silt) along the edges of a short (ca.
|
||
<quantity id="4CB79B36BF6D8314FE41145EFD821A13" box="[504,550,836,860]" metricMagnitude="0" metricUnit="m" metricValue="5.0" pageId="26" pageNumber="27" unit="m" value="5.0">5 m</quantity>
|
||
) reach of the outflow of the lower pond (
|
||
<figureCitation id="13742A56BF6D8314FBBA145EFBEC1A13" box="[1027,1096,836,860]" captionStart="FIGURE 6" captionStartId="11.[151,244,1710,1731]" captionTargetBox="[221,1371,156,1678]" captionTargetId="figure@11.[212,1381,149,1685]" captionTargetPageId="11" captionText="FIGURE 6. Photographs of habitats of species treated in this paper. A. Ojo Vareleño, Chihuahua, type locality of T. peregrina sp. nov. (photograph taken on 16 / ix / 1990). B. Main spring in Yepomera, Chihuahua, T. peregrina habitat (18 / ix / 1990). C. Springs northeast of Ignacio Zaragoza, Chihuaua, type locality of T. zaragozae sp. nov. (8 / xii / 1998). D. Western-most head spring, Ojos de Arrey, Chihuahua, type locality of T. angosturae sp. nov. and T. ovata sp. nov. (7 / xii / 1998). E. Spring in northern part of El Molino, Chihuahua, type locality of T. molinae sp. nov. (26 / iv / 2010). F. Ojo del Apache, Chihuahua, type locality of T. contrerasi sp. nov. (14 / xii / 1998). G. Ojo Carbonero, Chihuahua, T. contrerasi habitat (2 / iv / 1991). H. Outflow of Ojo Caliente, Chihuahua, type locality of T. taylori sp. nov. (7 / xii / 1998). I – J. El Ojo de Servin, Chihuahua, T. taylori habitat (27 - viii- 1971, 7 / xii / 1998, respectively). K. Seeps in La Cienega, Texas, type locality of T. metcalfi sp. nov. (6 / xii / 2001). L – M. Balneario de San Diego de Alcala, Chihuahua, type locality of T. chuviscarae sp. nov. and T. minckleyi sp. nov. (4 / xii / 2001). N. Springs southeast of Julimes, Chihuahua, type locality of T. julimesensis sp. nov. (5 / iv / 1991). O. El Ojito (outflow), southwest of Talamantes, Chihuahua, type locality of T. allendae sp. nov. (10 / xii / 1998). P. Caroline Spring, Oasis Ranch, Texas, type locality of T. oasiensis sp. nov. (30 / iii / 2009). Q. Spring in Nombre de Dios, Durango, T. seemani habitat (2 / ix / 1971). R. Spring in Amado Nervo, Durango, T. seemani habitat (7 / iv / 1991)." httpUri="https://zenodo.org/record/278448/files/figure.png" pageId="26" pageNumber="27">Fig. 6</figureCitation>
|
||
P); the water temperature was 20°C. This species could not be found during two subsequent visits to the site in 2011. The status of
|
||
<taxonomicName id="4C4F4D50BF6D8314FAB91473FA261ACF" box="[1280,1410,873,896]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="oasiensis">
|
||
<emphasis id="B93BEAC1BF6D8314FAB91473FA261ACF" box="[1280,1410,873,896]" italics="true" pageId="26" pageNumber="27">T. oasiensis</emphasis>
|
||
</taxonomicName>
|
||
is uncertain because we have not carefully searched for it in the two ponds; there is no suitable habitat further downflow from the
|
||
<typeStatus id="54F48871BF6D8314FE8314AAFECE1A87" box="[314,362,944,968]" pageId="26" pageNumber="27">type</typeStatus>
|
||
locality. The ranch, on which these springs are situated, was purchased by The Nature Conservancy in 2000 (
|
||
<bibRefCitation id="EFDE4B22BF6D8314FEFD14CEFE7D1AA3" author="Karges" box="[324,473,980,1004]" pageId="26" pageNumber="27" refString="Karges, J. (2003) Aquatic conservation and The Nature Conservancy in West Texas. In: Garrett, G. P. & Allan, N. L. (Eds), Aquatic fauna of the northern Chihuahuan Desert. Museum of Texas Tech University Special Publications 46, Lubbock, pp. 141 - 150." type="journal article" year="2003">Karges 2003</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3556558BF6D8314FF7E14E2FCF11D33" pageId="26" pageNumber="27" type="discussion">
|
||
<paragraph id="8BF036D3BF6D8314FF7E14E2FCF11D33" blockId="26.[151,1437,151,1149]" pageId="26" pageNumber="27">
|
||
<emphasis id="B93BEAC1BF6D8314FF7E14E2FE901D5F" bold="true" box="[199,308,1016,1040]" pageId="26" pageNumber="27">Remarks</emphasis>
|
||
.
|
||
<taxonomicName id="4C4F4D50BF6D8314FEFB14E3FDA21D5F" box="[322,518,1017,1040]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="oasiensis">
|
||
<emphasis id="B93BEAC1BF6D8314FEFB14E3FDA21D5F" box="[322,518,1017,1040]" italics="true" pageId="26" pageNumber="27">Tryonia oasiensis</emphasis>
|
||
</taxonomicName>
|
||
was delineated as a well supported lineage in the Bayesian tree (
|
||
<figureCitation id="13742A56BF6D8314FB6214EDFA841D40" box="[1243,1312,1015,1039]" captionStart="FIGURE 2" captionStartId="5.[151,244,1938,1959]" captionTargetBox="[244,1345,828,1915]" captionTargetId="figure@5.[244,1346,828,1920]" captionTargetPageId="5" captionText="FIGURE 2. Bayesian tree based on the COI dataset. Posterior probabilities are provided when> 95 %. The names of the species treated herein are in bold face. Terminals and specimen codes are labeled as in Table 1. The two well supported clades composed of new species described herein are labeled A – B." httpUri="https://zenodo.org/record/278444/files/figure.png" pageId="26" pageNumber="27">Fig. 2</figureCitation>
|
||
). This species was discovered coincidentally during a visit to Oasis Ranch to collect other freshwater snails (
|
||
<bibRefCitation id="EFDE4B22BF6D8314FB411306FF701D18" author="Hershler" pageId="26" pageNumber="27" refString="Hershler, R., Liu, H. - P. & Lang, B. K. (2010) Transfer of Cochliopa texana to Pyrgulopsis (Hydrobiidae) and description of a third congener from the lower Pecos River basin. Journal of Molluscan Studies, 76, 245 - 256." type="journal article" year="2010">
|
||
Hershler
|
||
<emphasis id="B93BEAC1BF6D8314FADA1307FA311D7B" box="[1379,1429,1052,1076]" italics="true" pageId="26" pageNumber="27">et al</emphasis>
|
||
. 2010
|
||
</bibRefCitation>
|
||
). We did not obtain shell measurements for
|
||
<taxonomicName id="4C4F4D50BF6D8314FD7D135BFCEC1D17" box="[708,840,1089,1112]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="oasiensis">
|
||
<emphasis id="B93BEAC1BF6D8314FD7D135BFCEC1D17" box="[708,840,1089,1112]" italics="true" pageId="26" pageNumber="27">T. oasiensis</emphasis>
|
||
</taxonomicName>
|
||
(aside from the
|
||
<typeStatus id="54F48871BF6D8314FBBB1325FBC21D18" box="[1026,1126,1087,1111]" pageId="26" pageNumber="27" type="holotype">holotype</typeStatus>
|
||
) because our single sample was very small and most of the specimens were highly eroded.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |