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<document id="DB29D2FDC458137F80C82721C5B84C2B" 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 &amp; Landye, Jerry" docDate="2011" docId="03E687C5BF6D8312FF2E13D5FDB51FD5" 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 seemani Frauenfeld 1863" docType="treatment" docVersion="8" lastPageNumber="29" 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="27" updateTime="1698261240372" updateUser="plazi">
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<mods:title id="A2E4C3B12E671A837A9BF62D8BDAADF4">New species and records of springsnails (Caenogastropoda: Cochliopidae: Tryonia) from the Chihuahuan Desert (Mexico and United States), an imperiled biodiversity hotspot</mods:title>
</mods:titleInfo>
<mods:name id="E122A4DBBC920B25F5A7377AFDBBB956" type="personal">
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<mods:namePart id="8FE7D7B2469CE30369EE5A0DB329C7DA">Hershler, Robert</mods:namePart>
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<mods:namePart id="9D216C82DCF2A595B8646E6381F4C597">Liu, Hsiu-Ping</mods:namePart>
</mods:name>
<mods:name id="57ED54872B780F0A5FD8BAE5123D151C" type="personal">
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<mods:roleTerm id="3DD6004A2897D518BF2475F8C5B186D9">Author</mods:roleTerm>
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<mods:namePart id="A56BC22A53F67D02EDEDDA55C6E7BFCB">Landye, Jerry</mods:namePart>
</mods:name>
<mods:typeOfResource id="509F5979C5A4AD3641B45863DF311D3E">text</mods:typeOfResource>
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<mods:title id="928689FCE09D35F06C0B7629B55FCCCC">Zootaxa</mods:title>
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<mods:part id="70820E64881F14B7DBD8AE4E25E3C84F">
<mods:date id="CA534D53787C7D6F24DFCC5AC289C341">2011</mods:date>
<mods:detail id="9A7C5787819432E14B9FD81D56624605" type="volume">
<mods:number id="3E7CB5E17C308B88CACA7DBBCBF02568">3001</mods:number>
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<mods:start id="1598876775614B4FA28669A6693D5FE1">1</mods:start>
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<mods:identifier id="ED355B527E7D49A90EB8B839B8AA0CF1" type="DOI">10.5281/zenodo.278442</mods:identifier>
<mods:identifier id="332A7461D205BEB04454AA3EC0C19901" type="GBIF-Dataset">6b9505e0-ac6e-4baa-9066-6f729d38e9e2</mods:identifier>
<mods:identifier id="B8E7F8EDD6E5ADD03E895F57517E9985" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="A7901769714A5CAA6BED4717260B648D" type="Zenodo-Dep">278442</mods:identifier>
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<treatment id="03E687C5BF6D8312FF2E13D5FDB51FD5" ID-DOI="http://doi.org/10.5281/zenodo.5629217" ID-GBIF-Taxon="119406539" ID-Zenodo-Dep="5629217" LSID="urn:lsid:plazi:treatment:03E687C5BF6D8312FF2E13D5FDB51FD5" httpUri="http://treatment.plazi.org/id/03E687C5BF6D8312FF2E13D5FDB51FD5" lastPageId="28" lastPageNumber="29" pageId="26" pageNumber="27">
<subSubSection id="C3556558BF6D8314FF2E13D5FE581C43" pageId="26" pageNumber="27" type="nomenclature">
<paragraph id="8BF036D3BF6D8314FF2E13D5FD9F1DA7" blockId="26.[151,571,1231,1292]" box="[151,571,1231,1256]" pageId="26" pageNumber="27">
<heading id="D0B881BFBF6D8314FF2E13D5FD9F1DA7" bold="true" box="[151,571,1231,1256]" fontSize="10" level="2" pageId="26" pageNumber="27" reason="2">
<taxonomicName id="4C4F4D50BF6D8314FF2E13D5FD9F1DA7" authority="Frauenfeld, 1863" authorityName="Frauenfeld" authorityYear="1863" box="[151,571,1231,1256]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6D8314FF2E13D5FD9F1DA7" bold="true" box="[151,571,1231,1256]" pageId="26" pageNumber="27">
<emphasis id="B93BEAC1BF6D8314FF2E13D5FEFC1DA7" bold="true" box="[151,344,1231,1256]" italics="true" pageId="26" pageNumber="27">Tryonia seemani</emphasis>
(
<bibRefCitation id="EFDE4B22BF6D8314FEDF13D5FD901DA7" author="Frauenfeld" box="[358,564,1231,1256]" pageId="26" pageNumber="27" refString="Frauenfeld, G. R. von (1863) Vorlaufige Aufzahlung der Arten der Gattungen Hydrobia Htm. und Amnicola Gld. Hldm. in der kaiserlichen und in Cuming's sammlung. Verhandlungen der Kaiserlich-Koniglichen Zoologisch-botanischen Gesellschaft in Wien, 13, 1017 - 1032." type="journal article" year="1863">Frauenfeld, 1863</bibRefCitation>
)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="8BF036D3BF6D8314FF2E13EEFE581C43" blockId="26.[151,571,1231,1292]" box="[151,508,1268,1292]" pageId="26" pageNumber="27">
(
<figureCitation id="13742A56BF6D8314FF2613EEFF471C43" box="[159,227,1268,1292]" 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">Figs 5</figureCitation>
<collectingCountry id="F3587643BF6D8314FF5D13EEFF5C1C43" box="[228,248,1268,1292]" name="Iceland" pageId="26" pageNumber="27">O</collectingCountry>
–P, 12C–E, H–I, M–
<collectingCountry id="F3587643BF6D8314FE5913EEFE501C43" box="[480,500,1268,1292]" name="Iceland" pageId="26" pageNumber="27">O</collectingCountry>
)
</paragraph>
</subSubSection>
<subSubSection id="C3556558BF6D8314FF2E1226FD681CD9" pageId="26" pageNumber="27" type="reference_group">
<paragraph id="8BF036D3BF6D8314FF2E1226FC231C1E" blockId="26.[151,903,1339,1362]" box="[151,903,1339,1362]" pageId="26" pageNumber="27">
<treatmentCitationGroup id="AB5F11FDBF6D8314FF2E1226FC231C1E" box="[151,903,1339,1362]" pageId="26" pageNumber="27">
<taxonomicName id="4C4F4D50BF6D8314FF2E1226FDE31C1E" authority="Frauenfeld, 1863: 1025" authorityName="Frauenfeld" authorityPageNumber="1025" authorityYear="1863" box="[151,583,1339,1362]" class="Gastropoda" family="Hydrobiidae" genus="Hydrobia" kingdom="Animalia" order="Littorinimorpha" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6D8314FF2E1226FEF41C1D" box="[151,336,1340,1362]" italics="true" pageId="26" pageNumber="27">Hydrobia seemani</emphasis>
<treatmentCitation id="0AEE10C2BF6D8314FEEF1221FDE31C1E" author="Frauenfeld" box="[342,583,1339,1361]" page="1025" pageId="26" pageNumber="27" year="1863">
<bibRefCitation id="EFDE4B22BF6D8314FEEF1221FDAC1C1E" author="Frauenfeld" box="[342,520,1339,1361]" pageId="26" pageNumber="27" refString="Frauenfeld, G. R. von (1863) Vorlaufige Aufzahlung der Arten der Gattungen Hydrobia Htm. und Amnicola Gld. Hldm. in der kaiserlichen und in Cuming's sammlung. Verhandlungen der Kaiserlich-Koniglichen Zoologisch-botanischen Gesellschaft in Wien, 13, 1017 - 1032." type="journal article" year="1863">Frauenfeld, 1863</bibRefCitation>
: 1025
</treatmentCitation>
</taxonomicName>
.
<treatmentCitation id="0AEE10C2BF6D8314FDE91221FC971C1E" author="Frauenfeld" box="[592,819,1339,1361]" page="525" pageId="26" pageNumber="27" year="1865">
<bibRefCitation id="EFDE4B22BF6D8314FDE91221FCA41C1E" author="Frauenfeld" box="[592,768,1339,1361]" pageId="26" pageNumber="27" refString="Frauenfeld, G. R. von (1865) Zoologische Miscellen. Verhandlungen der Kaiserlich-Koniglichen Zoologisch-botanischen Gesellschaft in Wien, 15, 525 - 536." type="journal article" year="1865">Frauenfeld, 1865</bibRefCitation>
: 525
</treatmentCitation>
, plate 8.
</treatmentCitationGroup>
</paragraph>
<paragraph id="8BF036D3BF6D8314FF2E1265FD681CD9" blockId="26.[151,1436,1406,2007]" box="[151,716,1406,1431]" pageId="26" pageNumber="27">
<emphasis id="B93BEAC1BF6D8314FF2E1265FF7E1CD8" bold="true" box="[151,218,1407,1431]" pageId="26" pageNumber="27">
<typeStatus id="54F48871BF6D8314FF2E1265FF7E1CD8" box="[151,218,1407,1431]" pageId="26" pageNumber="27">Types</typeStatus>
</emphasis>
.
<typeStatus id="54F48871BF6D8314FF531264FEF51CD9" box="[234,337,1406,1430]" pageId="26" pageNumber="27" type="syntype">Syntypes</typeStatus>
(5 dry shells), BMNH 20001099.
</paragraph>
</subSubSection>
<subSubSection id="C3556558BF6D8314FF7E12B9FF721F21" pageId="26" pageNumber="27" type="materials_examined">
<paragraph id="8BF036D3BF6D8314FF7E12B9FD251CF4" blockId="26.[151,1436,1406,2007]" box="[199,641,1442,1467]" pageId="26" pageNumber="27">
<emphasis id="B93BEAC1BF6D8314FF7E12B9FEF91CF4" bold="true" box="[199,349,1442,1467]" pageId="26" pageNumber="27">
<typeStatus id="54F48871BF6D8314FF7E12B9FEA61CF4" box="[199,258,1443,1467]" pageId="26" pageNumber="27">Type</typeStatus>
locality
</emphasis>
. N. W.
<collectingCountry id="F3587643BF6D8314FE0D12B8FDA81CF5" box="[436,524,1442,1466]" name="Mexico" pageId="26" pageNumber="27">Mexico</collectingCountry>
, Durango.
</paragraph>
<paragraph id="8BF036D3BF6D8314FF7E12DCFF721F21" blockId="26.[151,1436,1406,2007]" pageId="26" pageNumber="27">
<emphasis id="B93BEAC1BF6D8314FF7E12DCFE391C90" bold="true" box="[199,413,1478,1503]" pageId="26" pageNumber="27">Referred material</emphasis>
. DURANGO.
<collectionCode id="ED5EAE16BF6D8314FDFD12DCFD311C91" LSID="urn:lsid:biocol.org:col:34871" box="[580,661,1478,1502]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="26" pageNumber="27">USNM</collectionCode>
874125, unnamed spring on west side of Nombre de Dios,
<geoCoordinate id="EE7B5014BF6D8314FA9112DCFF0A1F4D" direction="north" orientation="latitude" pageId="26" pageNumber="27" precision="1" value="23.850334">23º51'1.2&quot; N</geoCoordinate>
,
<geoCoordinate id="EE7B5014BF6D8314FF0712F0FEC41F4D" box="[190,352,1514,1538]" direction="west" orientation="longitude" pageId="26" pageNumber="27" precision="15" value="-104.24833">104º14'54&quot; W</geoCoordinate>
, leg. J.J.L.
<emphasis id="B93BEAC1BF6D8314FE5412F6FD801F4C" box="[493,548,1515,1539]" italics="true" pageId="26" pageNumber="27">et al</emphasis>
.,
<date id="FFF11013BF6D8314FD8712F0FD011F4D" box="[574,677,1514,1538]" pageId="26" pageNumber="27" value="1991-05-07">7/v/1991</date>
.
<collectionCode id="ED5EAE16BF6D8314FD0C12F0FCA21F4D" LSID="urn:lsid:biocol.org:col:34871" box="[693,774,1514,1538]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="26" pageNumber="27">USNM</collectionCode>
854937,
<emphasis id="B93BEAC1BF6D8314FCC112F1FC0F1F4C" box="[888,939,1515,1539]" italics="true" pageId="26" pageNumber="27">ibid.</emphasis>
, leg. R.H. and J.J.L.,
<date id="FFF11013BF6D8314FB0E12F0FA981F4D" box="[1207,1340,1514,1538]" pageId="26" pageNumber="27" value="1998-12-11">11/xii/1998</date>
.
<collectionCode id="ED5EAE16BF6D8314FAF212F0FA381F4D" LSID="urn:lsid:biocol.org:col:34871" box="[1355,1436,1514,1538]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="26" pageNumber="27">USNM</collectionCode>
873242, unnamed spring in Amado Nervo, southwest of Villa Union,
<geoCoordinate id="EE7B5014BF6D8314FC0E1114FBFD1F69" box="[951,1113,1550,1574]" direction="north" orientation="latitude" pageId="26" pageNumber="27" precision="1" value="23.842834">23º50'34.2&quot; N</geoCoordinate>
,
<geoCoordinate id="EE7B5014BF6D8314FBDF1114FAA01F69" box="[1126,1284,1550,1574]" direction="west" orientation="longitude" pageId="26" pageNumber="27" precision="15" value="-104.18833">104º11'18&quot; W</geoCoordinate>
, leg. J.J.L.
<emphasis id="B93BEAC1BF6D8314FA31110AFF101F04" italics="true" pageId="26" pageNumber="27">et al.</emphasis>
,
<date id="FFF11013BF6D8314FF7A1128FE961F05" box="[195,306,1586,1610]" pageId="26" pageNumber="27" value="1971-11-02">2/xi/1971</date>
.
<collectionCode id="ED5EAE16BF6D8314FE841128FE2A1F05" LSID="urn:lsid:biocol.org:col:34871" box="[317,398,1586,1610]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="26" pageNumber="27">USNM</collectionCode>
874123,
<emphasis id="B93BEAC1BF6D8314FE401129FD881F04" box="[505,556,1587,1611]" italics="true" pageId="26" pageNumber="27">ibid.</emphasis>
, leg. J.J.L.
<emphasis id="B93BEAC1BF6D8314FD08112EFD471F04" box="[689,739,1587,1611]" italics="true" pageId="26" pageNumber="27">et al</emphasis>
.,
<date id="FFF11013BF6D8314FD401128FCC41F05" box="[761,864,1586,1610]" pageId="26" pageNumber="27" value="1991-05-07">7/v/1991</date>
.
<collectionCode id="ED5EAE16BF6D8314FCD51128FC191F05" LSID="urn:lsid:biocol.org:col:34871" box="[876,957,1586,1610]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="26" pageNumber="27">USNM</collectionCode>
854936,
<emphasis id="B93BEAC1BF6D8314FB911129FBFF1F04" box="[1064,1115,1587,1611]" italics="true" pageId="26" pageNumber="27">ibid.</emphasis>
, leg. R.H. and J.J.L.,
<date id="FFF11013BF6D8314FAED1128FF771F21" pageId="26" pageNumber="27" value="1998-12-11">11/xii/ 1998</date>
.
</paragraph>
</subSubSection>
<subSubSection id="C3556558BF6D8314FF7E1160FD941FF9" pageId="26" pageNumber="27" type="diagnosis">
<paragraph id="8BF036D3BF6D8314FF7E1160FD941FF9" blockId="26.[151,1436,1406,2007]" pageId="26" pageNumber="27">
<emphasis id="B93BEAC1BF6D8314FF7E1160FE9E1FDC" bold="true" box="[199,314,1658,1683]" pageId="26" pageNumber="27">Diagnosis</emphasis>
. Shell medium-sized, conic or turriform, weakly sculptured; penis having two distal and sometimes one basal papillae on the inner edge.
</paragraph>
</subSubSection>
<subSubSection id="C3556558BF6D8312FF7E11D8FD0418BB" lastPageId="28" lastPageNumber="29" pageId="26" pageNumber="27" type="description">
<paragraph id="8BF036D3BF6D8314FF7E11D8FABA1E25" blockId="26.[151,1436,1406,2007]" pageId="26" pageNumber="27">
<emphasis id="B93BEAC1BF6D8314FF7E11D8FEF51F94" bold="true" box="[199,337,1730,1755]" pageId="26" pageNumber="27">Description</emphasis>
(of referred material). Shell (
<figureCitation id="13742A56BF6D8314FD0811D8FCA01F95" box="[689,772,1730,1754]" 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>
C–E) up to
<quantity id="4CB79B36BF6D8314FC2D11D8FC4A1F95" box="[916,1006,1730,1754]" metricMagnitude="-3" metricUnit="m" metricValue="4.3" pageId="26" pageNumber="27" unit="mm" value="4.3">4.3 mm</quantity>
tall, large females having 5.25–7.25 whorls, spire height 130–200% width of shell, male shells smaller than those of females. Teleoconch whorls medium to highly convex, evenly rounded with impressed sutures. Sculpture of strong growth lines, weak spiral threads rarely present. Aperture pyriform, parietal lip complete in larger shells, usually adnate, rarely slightly disjunct, umbilicus narrow or absent. Outer lip slightly orthocline or prosocline. Periostracum olive or tan.
</paragraph>
<paragraph id="8BF036D3BF6D8314FF7E106CFAF61E99" blockId="26.[151,1436,1406,2007]" pageId="26" pageNumber="27">
<emphasis id="B93BEAC1BF6D8314FF7E106CFE6D1EC0" bold="true" box="[199,457,1910,1935]" pageId="26" pageNumber="27">Shell measurements (</emphasis>
mean in parentheses): height
<quantity id="4CB79B36BF6D8314FCA0106CFC1A1EC1" box="[793,958,1910,1934]" metricMagnitude="-3" metricUnit="m" metricValue="3.635" metricValueMax="4.26" metricValueMin="3.01" pageId="26" pageNumber="27" unit="mm" value="3.635" valueMax="4.26" valueMin="3.01">3.01–4.26 mm</quantity>
(3.52), width
<quantity id="4CB79B36BF6D8314FBDA106CFAAC1EC1" box="[1123,1288,1910,1934]" metricMagnitude="-3" metricUnit="m" metricValue="1.43" metricValueMax="1.59" metricValueMin="1.27" pageId="26" pageNumber="27" unit="mm" value="1.43" valueMax="1.59" valueMin="1.27">1.27–1.59 mm</quantity>
(1.40), body whorl height
<quantity id="4CB79B36BF6D8314FE941080FE741EFD" box="[301,464,1946,1970]" metricMagnitude="-3" metricUnit="m" metricValue="1.72" metricValueMax="1.89" metricValueMin="1.55" pageId="26" pageNumber="27" unit="mm" value="1.72" valueMax="1.89" valueMin="1.55">1.55–1.89 mm</quantity>
(1.69), body whorl width
<quantity id="4CB79B36BF6D8314FD401080FC391EFD" box="[761,925,1946,1970]" metricMagnitude="-3" metricUnit="m" metricValue="1.38" metricValueMax="1.52" metricValueMin="1.24" pageId="26" pageNumber="27" unit="mm" value="1.38" valueMax="1.52" valueMin="1.24">1.24–1.52 mm</quantity>
(1.35), aperture height
<quantity id="4CB79B36BF6D8314FB1E1080FAEE1EFD" box="[1191,1354,1946,1970]" metricMagnitude="-4" metricUnit="m" metricValue="9.399999999999999" metricValueMax="10.3" metricValueMin="8.5" pageId="26" pageNumber="27" unit="mm" value="0.94" valueMax="1.03" valueMin="0.85">0.85–1.03 mm</quantity>
(0.94), aperture width
<quantity id="4CB79B36BF6D8314FEF910A4FE471E99" box="[320,483,1982,2006]" metricMagnitude="-4" metricUnit="m" metricValue="8.25" metricValueMax="9.3" metricValueMin="7.199999999999999" pageId="26" pageNumber="27" unit="mm" value="0.825" valueMax="0.93" valueMin="0.72">0.72–0.93 mm</quantity>
(0.81), total number of whorls 6.00–
<quantity id="4CB79B36BF6D8314FC3B10A4FC411E99" box="[898,997,1982,2006]" metricMagnitude="-3" metricUnit="m" metricValue="7.25" pageId="26" pageNumber="27" unit="mm" value="7.25">7.25 mm</quantity>
(6.44) (USNM 874123,
<emphasis id="B93BEAC1BF6D8314FB4310DAFAAC1E98" box="[1274,1288,1984,2007]" italics="true" pageId="26" pageNumber="27">n</emphasis>
= 12).
</paragraph>
<caption id="DF30665BBF6C8315FF2E1002FB191E8F" httpUri="https://zenodo.org/record/278454/files/figure.png" pageId="27" pageNumber="28" targetBox="[151,1436,175,1794]" targetPageId="27">
<paragraph id="8BF036D3BF6C8315FF2E1002FB191E8F" blockId="27.[151,1436,1816,1985]" pageId="27" pageNumber="28">
<emphasis id="B93BEAC1BF6C8315FF2E1002FEB61E62" bold="true" box="[151,274,1816,1837]" pageId="27" pageNumber="28">FIGURE 12</emphasis>
.
<taxonomicName id="4C4F4D50BF6C8315FEA41003FE621E61" box="[285,454,1817,1838]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="oasiensis" status="sp. nov.">
<emphasis id="B93BEAC1BF6C8315FEA41003FE621E61" box="[285,454,1817,1838]" italics="true" pageId="27" pageNumber="28">Tryonia oasiensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20857BABF6C8315FE751002FDBC1E62" box="[460,536,1816,1837]" pageId="27" pageNumber="28" rank="species">
<emphasis id="B93BEAC1BF6C8315FE751002FDB61E62" bold="true" box="[460,530,1816,1837]" pageId="27" pageNumber="28">sp. nov</emphasis>
.
</taxonomicNameLabel>
and
<taxonomicName id="4C4F4D50BF6C8315FDFF1003FCC21E62" authority="Frauenfeld" authorityName="Frauenfeld" box="[582,870,1816,1838]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6C8315FDFF1003FD351E61" box="[582,657,1817,1838]" italics="true" pageId="27" pageNumber="28">Tryonia</emphasis>
<emphasis id="B93BEAC1BF6C8315FD2E1003FD411E61" box="[663,741,1817,1838]" italics="true" pageId="27" pageNumber="28">seemani</emphasis>
(Frauenfeld)
</taxonomicName>
. A. Holotype,
<taxonomicName id="4C4F4D50BF6C8315FC481003FBC41E61" box="[1009,1120,1817,1838]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="oasiensis">
<emphasis id="B93BEAC1BF6C8315FC481003FBC41E61" box="[1009,1120,1817,1838]" italics="true" pageId="27" pageNumber="28">T. oasiensis</emphasis>
</taxonomicName>
, USNM 1123759. B. Male shell,
<taxonomicName id="4C4F4D50BF6C8315FF2E102CFEA11E04" box="[151,261,1846,1867]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="oasiensis">
<emphasis id="B93BEAC1BF6C8315FF2E102CFEA11E04" box="[151,261,1846,1867]" italics="true" pageId="27" pageNumber="28">T. oasiensis</emphasis>
</taxonomicName>
, USNM 1153675. C. Shell,
<taxonomicName id="4C4F4D50BF6C8315FDAA102CFDDD1E04" box="[531,633,1846,1867]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6C8315FDAA102CFDDD1E04" box="[531,633,1846,1867]" italics="true" pageId="27" pageNumber="28">T. seemani</emphasis>
</taxonomicName>
, USNM 874123. D–E. Shells,
<taxonomicName id="4C4F4D50BF6C8315FC18102CFBA11E04" box="[929,1029,1846,1867]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6C8315FC18102CFBA11E04" box="[929,1029,1846,1867]" italics="true" pageId="27" pageNumber="28">T. seemani</emphasis>
</taxonomicName>
, USNM 874125 (D is a male). F–G. Operculum (outer, inner sides),
<taxonomicName id="4C4F4D50BF6C8315FE2F104EFDA01E26" box="[406,516,1876,1897]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="oasiensis">
<emphasis id="B93BEAC1BF6C8315FE2F104EFDA01E26" box="[406,516,1876,1897]" italics="true" pageId="27" pageNumber="28">T. oasiensis</emphasis>
</taxonomicName>
, USNM 1153675. H–I. Operculum (outer, inner sides),
<taxonomicName id="4C4F4D50BF6C8315FBA1104EFBD81E26" box="[1048,1148,1876,1897]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6C8315FBA1104EFBD81E26" box="[1048,1148,1876,1897]" italics="true" pageId="27" pageNumber="28">T. seemani</emphasis>
</taxonomicName>
, USNM 874123. J. Portion of radular ribbon,
<taxonomicName id="4C4F4D50BF6C8315FE96106BFE051EC9" box="[303,417,1905,1926]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="oasiensis">
<emphasis id="B93BEAC1BF6C8315FE96106BFE051EC9" box="[303,417,1905,1926]" italics="true" pageId="27" pageNumber="28">T. oasiensis</emphasis>
</taxonomicName>
, USNM 1153675. K. Central radular teeth,
<taxonomicName id="4C4F4D50BF6C8315FCEB106BFC601EC9" box="[850,964,1905,1926]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="oasiensis">
<emphasis id="B93BEAC1BF6C8315FCEB106BFC601EC9" box="[850,964,1905,1926]" italics="true" pageId="27" pageNumber="28">T. oasiensis</emphasis>
</taxonomicName>
, USNM 1153675. L. Lateral teeth,
<taxonomicName id="4C4F4D50BF6C8315FA9D106BFA321EC9" box="[1316,1430,1905,1926]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="oasiensis">
<emphasis id="B93BEAC1BF6C8315FA9D106BFA321EC9" box="[1316,1430,1905,1926]" italics="true" pageId="27" pageNumber="28">T. oasiensis</emphasis>
</taxonomicName>
, USNM 1153675. M. Portion of radular ribbon,
<taxonomicName id="4C4F4D50BF6C8315FDDC1094FD681EEC" box="[613,716,1934,1955]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6C8315FDDC1094FD681EEC" box="[613,716,1934,1955]" italics="true" pageId="27" pageNumber="28">T. seemani</emphasis>
</taxonomicName>
, USNM 874123. N. Central radular teeth,
<taxonomicName id="4C4F4D50BF6C8315FBD61094FB701EEC" box="[1135,1236,1934,1955]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6C8315FBD61094FB701EEC" box="[1135,1236,1934,1955]" italics="true" pageId="27" pageNumber="28">T. seemani</emphasis>
</taxonomicName>
, USNM 874123. O. Lateral tooth,
<taxonomicName id="4C4F4D50BF6C8315FEA710B6FE261E8E" box="[286,386,1964,1985]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6C8315FEA710B6FE261E8E" box="[286,386,1964,1985]" italics="true" pageId="27" pageNumber="28">T. seemani</emphasis>
</taxonomicName>
, USNM 874123. Scale bars A–E = 1.0 mm, F–I = 250 µm, J = 25 µm. K–O = 10 µm.
</paragraph>
</caption>
<paragraph id="8BF036D3BF6B8312FF7E1782FDE6182B" blockId="28.[151,1437,151,1690]" pageId="28" pageNumber="29">
Inner and outer sides of operculum smooth (
<figureCitation id="13742A56BF6B8312FD05178DFCA919E0" box="[700,781,151,175]" 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="28" pageNumber="29">Fig. 12</figureCitation>
H–I). Radula (
<figureCitation id="13742A56BF6B8312FC09178DFBA619E0" box="[944,1026,151,175]" 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="28" pageNumber="29">Fig. 12</figureCitation>
M-O): dorsal edge of central radular teeth concave, basal tongue rounded, median cusps elongate, distally pointed, parallel-sided proximally, lateral cusps five–eight, basal cusps one–two (innermost larger) (
<figureCitation id="13742A56BF6B8312FC8217C5FC3519B8" box="[827,913,223,247]" 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="28" pageNumber="29">Fig. 12</figureCitation>
N). Lateral teeth having four–seven cusps on inner and five–eight cusps on outer side, length of outer wing 145–185% width of cutting edge, central cusp pointed (
<figureCitation id="13742A56BF6B8312FF43163DFEE91870" box="[250,333,295,319]" 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="28" pageNumber="29">Fig. 12</figureCitation>
<collectingCountry id="F3587643BF6B8312FEF5163DFEC61870" box="[332,354,295,319]" name="Iceland" pageId="28" pageNumber="29">O</collectingCountry>
). Inner marginal teeth with 26–37 cusps, outer marginal teeth with 24–34 cusps. Radula data are from USNM 874123, USNM 874125.
</paragraph>
<paragraph id="8BF036D3BF6B8312FF7E1675FD0418BB" blockId="28.[151,1437,151,1690]" pageId="28" pageNumber="29">
Animal lightly pigmented. Penis (
<figureCitation id="13742A56BF6B8312FDF81675FD2618C8" box="[577,642,367,391]" 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="28" pageNumber="29">Fig. 5</figureCitation>
<collectingCountry id="F3587643BF6B8312FD3B1675FD3218C8" box="[642,662,367,391]" name="Iceland" pageId="28" pageNumber="29">O</collectingCountry>
–P) having two (39 of
<specimenCount id="9D49FD5ABF6B8312FC2A1675FB8F18C8" box="[915,1067,367,391]" pageId="28" pageNumber="29" type="generic">47 specimens</specimenCount>
from two samples) or three (5 of 47) distal papillae and sometimes a basal papilla (19 of 47) on inner edge; one specimen differed in having a single distal papilla. Distal bulb of penis expanded laterally on inner side; stylet small. Penial duct nearly straight. Penial data are from USNM 874123, USNM 874125.
</paragraph>
</subSubSection>
<subSubSection id="C3556558BF6B8312FF7E16E5FC251D78" pageId="28" pageNumber="29" type="distribution">
<paragraph id="8BF036D3BF6B8312FF7E16E5FC251D78" blockId="28.[151,1437,151,1690]" pageId="28" pageNumber="29">
<emphasis id="B93BEAC1BF6B8312FF7E16E5FE5D1B57" bold="true" box="[199,505,511,536]" pageId="28" pageNumber="29">Distribution and habitat.</emphasis>
Distributed in the upper Río Mezquital drainage (
<figureCitation id="13742A56BF6B8312FBFE16E5FB291B58" box="[1095,1165,511,535]" 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="28" pageNumber="29">Fig. 1</figureCitation>
, localities 16–18). The springs at Nombre de Dios are at the western edge of the village on the south side of Highway 45. The first collections (in 1971) of
<taxonomicName id="4C4F4D50BF6B8312FEDD1553FE791B2F" box="[356,477,585,608]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6B8312FEDD1553FE791B2F" box="[356,477,585,608]" italics="true" pageId="28" pageNumber="29">T. seemani</emphasis>
</taxonomicName>
from this area were from a spring (adjacent to the highway) that flowed south into a canal. Snails were also found in a nearby cienega (
<figureCitation id="13742A56BF6B8312FD6B1576FCB21BCB" box="[722,790,620,644]" 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="28" pageNumber="29">Fig. 6</figureCitation>
Q) which discharged toward the Río Durango. When visited again in 1991 the spring adjacent to the highway was dry and the cienega had been developed for a school. However,
<taxonomicName id="4C4F4D50BF6B8312FEB415AFFE2C1B83" box="[269,392,693,716]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6B8312FEB415AFFE2C1B83" box="[269,392,693,716]" italics="true" pageId="28" pageNumber="29">T. seemani</emphasis>
</taxonomicName>
was found abundantly (on vegetation and detritus) in small spring runs (19°C) within the cienega.
<taxonomicName id="4C4F4D50BF6B8312FF4715C3FE181BBF" box="[254,444,729,752]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6B8312FF4715C3FE181BBF" box="[254,444,729,752]" italics="true" pageId="28" pageNumber="29">Tryonia seemani</emphasis>
</taxonomicName>
has also been collected from springs to the east of Nombre de Dios that are locally referred to as Ojitos de Amado Nervo. The first collections at this site (1971) were made at a highly degraded spring (23°C) by the highway (
<figureCitation id="13742A56BF6B8312FE401405FD991A78" box="[505,573,799,823]" 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="28" pageNumber="29">Fig. 6</figureCitation>
R) where snails were found at the bases of
<taxonomicName id="4C4F4D50BF6B8312FB91143AFBD41A77" box="[1064,1136,800,824]" class="Insecta" family="Noctuidae" genus="Chara" kingdom="Animalia" order="Lepidoptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="genus">
<emphasis id="B93BEAC1BF6B8312FB91143AFBD41A77" box="[1064,1136,800,824]" italics="true" pageId="28" pageNumber="29">Chara</emphasis>
</taxonomicName>
mats. By 1998 this spring had dried, but
<taxonomicName id="4C4F4D50BF6B8312FE81145FFE0B1A13" box="[312,431,837,860]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6B8312FE81145FFE0B1A13" box="[312,431,837,860]" italics="true" pageId="28" pageNumber="29">T. seemani</emphasis>
</taxonomicName>
was abundant (on aquatic vegetation and soft substrates) in other spring vents and brooks (22°C) about
<quantity id="4CB79B36BF6B8312FE8B147DFEC81ACF" box="[306,364,871,896]" metricMagnitude="1" metricUnit="m" metricValue="5.0" pageId="28" pageNumber="29" unit="m" value="50.0">50 m</quantity>
to the north. The only specimens that had been previously referred to this species (aside from the
<typeStatus id="54F48871BF6B8312FF7A1495FE831AE8" box="[195,295,911,935]" pageId="28" pageNumber="29" type="syntype">syntypes</typeStatus>
) were collected near the end of the 19th century from the spring that served as the domestic water source for Durango City (USNM 251826;
<bibRefCitation id="EFDE4B22BF6B8312FD3C14A8FC901A85" author="Morrison" box="[645,820,946,970]" pageId="28" pageNumber="29" refString="Morrison, J. P. E. (1945) Durangonella, a new hydrobiine genus from Mexico, with three new species. The Nautilus, 59, 18 - 23, plate 3, figures 1 - 10." type="journal article" year="1945">Morrison 1945</bibRefCitation>
). This site was almost certainly the Ojo de Agua del Obispo (in El Parque Guadiana) (
<figureCitation id="13742A56BF6B8312FDAB14CDFDF11AA0" box="[530,597,983,1007]" 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="28" pageNumber="29">Fig. 1</figureCitation>
, locality 16) based on historical accounts (e.g.,
<bibRefCitation id="EFDE4B22BF6B8312FBCA14CDFABD1AA0" author="Cigarroa" box="[1139,1305,983,1007]" pageId="28" pageNumber="29" refString="Cigarroa, M. L. (1990) Rincones de Durango. Primera parte. Ediciones Durango, Durango. 147 pp." type="book" year="1990">Cigarroa 1990</bibRefCitation>
). One of us (J.J.L.) recently (2011) visited this spring, which has been impounded and otherwise extensively modified, and did not find
<taxonomicName id="4C4F4D50BF6B8312FF4F133AFECF1D78" box="[246,363,1056,1079]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6B8312FF4F133AFECF1D78" box="[246,363,1056,1079]" italics="true" pageId="28" pageNumber="29">T. seemani</emphasis>
</taxonomicName>
, which has likely been extirpated from the site.
</paragraph>
</subSubSection>
<subSubSection id="C3556558BF6B8312FF7E1359FDB51FD5" pageId="28" pageNumber="29" type="discussion">
<paragraph id="8BF036D3BF6B8312FF7E1359FF771C18" blockId="28.[151,1437,151,1690]" pageId="28" pageNumber="29">
<emphasis id="B93BEAC1BF6B8312FF7E1359FE901D14" bold="true" box="[199,308,1091,1115]" pageId="28" pageNumber="29">Remarks</emphasis>
. The
<typeStatus id="54F48871BF6B8312FECC1359FE011D14" box="[373,421,1091,1115]" pageId="28" pageNumber="29">type</typeStatus>
locality of
<taxonomicName id="4C4F4D50BF6B8312FD9E135EFD3B1D14" box="[551,671,1092,1115]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6B8312FD9E135EFD3B1D14" box="[551,671,1092,1115]" italics="true" pageId="28" pageNumber="29">T. seemani</emphasis>
</taxonomicName>
has not been further restricted subsequent to its original description (
<bibRefCitation id="EFDE4B22BF6B8312FF27137DFE301D30" author="Hershler" box="[158,404,1127,1151]" pageId="28" pageNumber="29" refString="Hershler, R., Liu, H. - P. &amp; Stockwell, C. A. (2002 a) A new genus and species of aquatic gastropods (Rissooidea: Hydrobiidae) from the North American Southwest: phylogenetic relationships and biogeography. Proceedings of the Biological Society of Washington, 115, 171 - 188." type="journal article" year="2002" yearSuffix="a">
Hershler
<emphasis id="B93BEAC1BF6B8312FEB01372FE9F1D30" box="[265,315,1127,1151]" italics="true" pageId="28" pageNumber="29">et al</emphasis>
. 2002a
</bibRefCitation>
); thus it is not known if Frauenfeld was referring to Durango City or, more generally, Durango State (
<bibRefCitation id="EFDE4B22BF6B8312FEA01390FE721DED" author="Thompson" box="[281,470,1162,1186]" pageId="28" pageNumber="29" refString="Thompson, F. G. (2008) An annotated checklist and bibliography of the land and freshwater snails of Mexico and Central America. 903 pp. Available from http: // www. flmnh. ufl. edu / malacology / mexico-central _ america _ snail _ checklist / mexicocentral _ america _ snail _ checklist. pdf (accessed 29 April 2011)." type="book" year="2008">Thompson 2008</bibRefCitation>
).
<bibRefCitation id="EFDE4B22BF6B8312FE511390FD471DED" box="[488,739,1162,1187]" pageId="28" pageNumber="29" refString="Hershler, R., Liu, H. - P. &amp; Stockwell, C. A. (2002 a) A new genus and species of aquatic gastropods (Rissooidea: Hydrobiidae) from the North American Southwest: phylogenetic relationships and biogeography. Proceedings of the Biological Society of Washington, 115, 171 - 188." type="journal article">
Hershler
<emphasis id="B93BEAC1BF6B8312FDF71396FDDA1DEC" box="[590,638,1163,1187]" italics="true" pageId="28" pageNumber="29">et al</emphasis>
. (2002a)
</bibRefCitation>
transferred
<taxonomicName id="4C4F4D50BF6B8312FCD01391FB921DEC" box="[873,1078,1163,1187]" class="Gastropoda" family="Hydrobiidae" genus="Hydrobia" kingdom="Animalia" order="Littorinimorpha" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6B8312FCD01391FB921DEC" box="[873,1078,1163,1187]" italics="true" pageId="28" pageNumber="29">Hydrobia seemani</emphasis>
</taxonomicName>
to
<taxonomicName id="4C4F4D50BF6B8312FBE11396FB0B1DEC" box="[1112,1199,1164,1187]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="28" pageNumber="29" phylum="Mollusca" rank="genus">
<emphasis id="B93BEAC1BF6B8312FBE11396FB0B1DEC" box="[1112,1199,1164,1187]" italics="true" pageId="28" pageNumber="29">Tryonia</emphasis>
</taxonomicName>
based on the glandular penial papillae and short (female) sperm tube that was observed in resuscitated specimens (USNM 251826) whose shells closely conformed to the
<typeStatus id="54F48871BF6B8312FDF113C9FD0E1DA4" box="[584,682,1235,1259]" pageId="28" pageNumber="29" type="syntype">syntypes</typeStatus>
of this species. We have further studied these specimens and determined that they also have the diagnostic male reproductive anatomy of
<taxonomicName id="4C4F4D50BF6B8312FC6913E2FB831C40" box="[976,1063,1272,1295]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="28" pageNumber="29" phylum="Mollusca" rank="genus">
<emphasis id="B93BEAC1BF6B8312FC6913E2FB831C40" box="[976,1063,1272,1295]" italics="true" pageId="28" pageNumber="29">Tryonia</emphasis>
</taxonomicName>
.
<bibRefCitation id="EFDE4B22BF6B8312FB8E13EDFAE31C40" author="Hershler" box="[1079,1351,1271,1295]" pageId="28" pageNumber="29" refString="Hershler, R., Liu, H. - P. &amp; Stockwell, C. A. (2002 a) A new genus and species of aquatic gastropods (Rissooidea: Hydrobiidae) from the North American Southwest: phylogenetic relationships and biogeography. Proceedings of the Biological Society of Washington, 115, 171 - 188." type="journal article" year="2002" yearSuffix="a">
Hershler
<emphasis id="B93BEAC1BF6B8312FB1813E2FB701C40" box="[1185,1236,1271,1295]" italics="true" pageId="28" pageNumber="29">et al</emphasis>
.’s (2002a
</bibRefCitation>
, fig. 2) illustration of the penis of these snails is incorrect as the basal papilla is actually positioned on the inner (not outer) edge.
</paragraph>
<paragraph id="8BF036D3BF6B8312FF7E1278FDB51FD5" blockId="28.[151,1437,151,1690]" pageId="28" pageNumber="29">
The Amado Nervo and Nombre de Dios snails are assigned to
<taxonomicName id="4C4F4D50BF6B8312FCC7127EFC511C34" box="[894,1013,1380,1403]" class="Gastropoda" family="Hydrobiidae" genus="Hydrobia" kingdom="Animalia" order="Littorinimorpha" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="seemani">
<emphasis id="B93BEAC1BF6B8312FCC7127EFC511C34" box="[894,1013,1380,1403]" italics="true" pageId="28" pageNumber="29">T. seemani</emphasis>
</taxonomicName>
based on the close similarity between their shells and the high spired, convex whorled
<typeStatus id="54F48871BF6B8312FD0D1292FCB21CEF" box="[692,790,1416,1440]" pageId="28" pageNumber="29" type="syntype">syntypes</typeStatus>
of this species (
<bibRefCitation id="EFDE4B22BF6B8312FC73129DFB1C1CD0" author="Hershler" box="[970,1208,1415,1439]" pageId="28" pageNumber="29" refString="Hershler, R., Liu, H. - P. &amp; Stockwell, C. A. (2002 a) A new genus and species of aquatic gastropods (Rissooidea: Hydrobiidae) from the North American Southwest: phylogenetic relationships and biogeography. Proceedings of the Biological Society of Washington, 115, 171 - 188." type="journal article" year="2002" yearSuffix="a">
Hershler
<emphasis id="B93BEAC1BF6B8312FB8A1292FBC01CD0" box="[1075,1124,1415,1439]" italics="true" pageId="28" pageNumber="29">et al</emphasis>
. 2002a
</bibRefCitation>
, fig. 1B). These two populations, which are separated by about 6.0 km, were delineated as a poorly supported (46% posterior probability) clade in the Bayesian analysis (
<figureCitation id="13742A56BF6B8312FD9B12D5FDC31CA8" box="[546,615,1487,1511]" 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&gt; 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="28" pageNumber="29">Fig. 2</figureCitation>
). They differ in shell size (3.52 vs.
<quantity id="4CB79B36BF6B8312FC4A12D5FBF21CA8" box="[1011,1110,1487,1511]" metricMagnitude="-3" metricUnit="m" metricValue="2.39" pageId="28" pageNumber="29" unit="mm" value="2.39">2.39 mm</quantity>
shell height, t-test, t = 8.118, df = 18.0,
<emphasis id="B93BEAC1BF6B8312FEB412EEFEBA1F44" box="[269,286,1524,1547]" italics="true" pageId="28" pageNumber="29">P</emphasis>
&lt;0.01, n = 8 for Nombre de Dios sample) and number of shell whorls relative to shell height (1.84 vs. 2.34, t-test, t = -9.275, df = 11.0,
<emphasis id="B93BEAC1BF6B8312FDB01102FDBE1F60" box="[521,538,1560,1583]" italics="true" pageId="28" pageNumber="29">P</emphasis>
&lt;0.01) (
<figureCitation id="13742A56BF6B8312FDCA110DFD661F60" box="[627,706,1559,1583]" 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="28" pageNumber="29">Fig. 12</figureCitation>
D–F), and are further differentiated in that specimens from Nombre de Dios consistently have a basal penial papilla (all
<specimenCount id="9D49FD5ABF6B8312FCBE1120FC041F1D" box="[775,928,1594,1618]" pageId="28" pageNumber="29" type="generic">17 specimens</specimenCount>
) while those from Adamo Nervo rarely do (2 of
<specimenCount id="9D49FD5ABF6B8312FF0F1145FEF11F38" box="[182,341,1631,1655]" pageId="28" pageNumber="29" type="generic">30 specimens</specimenCount>
). However, our COI data suggests limited (0.8%) genetic divergence between these populations, thus we treat them as conspecific.
</paragraph>
</subSubSection>
</treatment>
</document>
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