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<document id="48EDC3045E079750CCB2935DAC849136" 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="03E687C5BF65831AFF2E1106FC3D1D18" 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 metcalfi Hershler, Liu &amp; Landye, 2011, sp. nov." docType="treatment" docVersion="8" lastPageNumber="21" 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="19" updateTime="1698261240372" updateUser="plazi">
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<mods:title id="22E0E8102B1800B212E3A2AAF6E8A1BE">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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<treatment id="03E687C5BF65831AFF2E1106FC3D1D18" ID-DOI="http://doi.org/10.5281/zenodo.5629205" ID-GBIF-Taxon="119406541" ID-Zenodo-Dep="5629205" LSID="urn:lsid:plazi:treatment:03E687C5BF65831AFF2E1106FC3D1D18" httpUri="http://treatment.plazi.org/id/03E687C5BF65831AFF2E1106FC3D1D18" lastPageId="20" lastPageNumber="21" pageId="18" pageNumber="19">
<subSubSection id="C3556558BF65831CFF2E1106FA331F8D" pageId="18" pageNumber="19" type="nomenclature">
<paragraph id="8BF036D3BF65831CFF2E1106FE601F7A" blockId="18.[151,452,1563,1622]" box="[151,452,1563,1590]" pageId="18" pageNumber="19">
<heading id="D0B881BFBF65831CFF2E1106FE601F7A" bold="true" box="[151,452,1563,1590]" fontSize="11" level="1" pageId="18" pageNumber="19" reason="1">
<emphasis id="B93BEAC1BF65831CFF2E1106FE601F7A" bold="true" box="[151,452,1563,1590]" pageId="18" pageNumber="19">
<taxonomicName id="4C4F4D50BF65831CFF2E1106FEFB1F79" box="[151,351,1564,1590]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="metcalfi" status="sp. nov.">
<emphasis id="B93BEAC1BF65831CFF2E1106FEFB1F79" bold="true" box="[151,351,1564,1590]" italics="true" pageId="18" pageNumber="19">Tryonia metcalfi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20857BABF65831CFEDF1101FE601F7A" box="[358,452,1563,1589]" pageId="18" pageNumber="19" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BF036D3BF65831CFF2E1124FE641F19" blockId="18.[151,452,1563,1622]" box="[151,448,1598,1622]" pageId="18" pageNumber="19">
(
<figureCitation id="13742A56BF65831CFF261124FF431F19" box="[159,231,1598,1622]" 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="18" pageNumber="19">
Figs
<date id="FFF11013BF65831CFF611124FF431F19" box="[216,231,1598,1622]" pageId="18" pageNumber="19">5</date>
</figureCitation>
I, 9EF, JK,
<collectingCountry id="F3587643BF65831CFE391124FE301F19" box="[384,404,1598,1622]" name="Iceland" pageId="18" pageNumber="19">O</collectingCountry>
Q)
</paragraph>
<paragraph id="8BF036D3BF65831CFF2E119DFA331F8D" blockId="18.[151,1436,1670,2019]" pageId="18" pageNumber="19">
<emphasis id="B93BEAC1BF65831CFF2E119DFF7E1FD0" bold="true" box="[151,218,1671,1695]" pageId="18" pageNumber="19">
<typeStatus id="54F48871BF65831CFF2E119DFF7E1FD0" box="[151,218,1671,1695]" pageId="18" pageNumber="19">Types</typeStatus>
</emphasis>
.
<typeStatus id="54F48871BF65831CFF55119CFEF31FD1" box="[236,343,1670,1694]" pageId="18" pageNumber="19" type="holotype">Holotype</typeStatus>
, USNM 1001931, unnamed seeps in La Cienega, ca.
<quantity id="4CB79B36BF65831CFC07119CFBAA1FD1" box="[958,1038,1670,1694]" metricMagnitude="2" metricUnit="m" metricValue="8.0" pageId="18" pageNumber="19" unit="km" value="0.8">0.8 km</quantity>
east of cemetery, Presidio County, Texas,
<geoCoordinate id="EE7B5014BF65831CFF5F11B0FEDC1F8D" box="[230,376,1706,1730]" direction="north" orientation="latitude" pageId="18" pageNumber="19" precision="1" value="30.110806">30º6'38.9&quot; N</geoCoordinate>
,
<geoCoordinate id="EE7B5014BF65831CFE3A11B0FD911F8D" box="[387,565,1706,1730]" direction="west" orientation="longitude" pageId="18" pageNumber="19" precision="1" value="-104.67252">104º40'21.1&quot; W</geoCoordinate>
, leg. R.H. and J.J.L.,
<date id="FFF11013BF65831CFC9F11B0FC381F8D" box="[806,924,1706,1730]" pageId="18" pageNumber="19" value="2001-12-06">6/xii/2001</date>
.
<typeStatus id="54F48871BF65831CFC1F11B1FBB71F8C" box="[934,1043,1707,1731]" pageId="18" pageNumber="19" type="paratype">Paratypes</typeStatus>
(from same lot), USNM 1153672.
</paragraph>
</subSubSection>
<subSubSection id="C3556558BF65831CFF7E11D5FEB91E61" pageId="18" pageNumber="19" type="etymology">
<paragraph id="8BF036D3BF65831CFF7E11D5FEB91E61" blockId="18.[151,1436,1670,2019]" pageId="18" pageNumber="19">
<emphasis id="B93BEAC1BF65831CFF7E11D5FEE21FA8" bold="true" box="[199,326,1743,1767]" pageId="18" pageNumber="19">Etymology</emphasis>
. A patronym honoring Art Metcalf (University of Texas at El Paso, now retired) for his many years of study of regional mollusks and for the unfailing encouragement and support that he provided to other such researchers.
</paragraph>
</subSubSection>
<subSubSection id="C3556558BF65831CFF7E1020FB7E1E1D" box="[199,1242,1850,1875]" pageId="18" pageNumber="19" type="materials_examined">
<paragraph id="8BF036D3BF65831CFF7E1020FB7E1E1D" blockId="18.[151,1436,1670,2019]" box="[199,1242,1850,1875]" pageId="18" pageNumber="19">
<emphasis id="B93BEAC1BF65831CFF7E1020FE3A1E1C" bold="true" box="[199,414,1850,1875]" pageId="18" pageNumber="19">Referred material</emphasis>
.
<collectionCode id="ED5EAE16BF65831CFE121020FDAD1E1D" box="[427,521,1850,1874]" pageId="18" pageNumber="19">TEXAS</collectionCode>
. Presidio County.
<collectionCode id="ED5EAE16BF65831CFD6C1020FC821E1D" LSID="urn:lsid:biocol.org:col:34871" box="[725,806,1850,1874]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="18" pageNumber="19">USNM</collectionCode>
1151243, topotypes, J.J.L.,
<date id="FFF11013BF65831CFBD91020FB721E1D" box="[1120,1238,1850,1874]" pageId="18" pageNumber="19" value="2011-02-15">15/ii/2011</date>
.
</paragraph>
</subSubSection>
<subSubSection id="C3556558BF65831CFF7E1044FC5C1EAD" pageId="18" pageNumber="19" type="diagnosis">
<paragraph id="8BF036D3BF65831CFF7E1044FC5C1EAD" blockId="18.[151,1436,1670,2019]" pageId="18" pageNumber="19">
<emphasis id="B93BEAC1BF65831CFF7E1044FE9E1E38" bold="true" box="[199,314,1886,1911]" pageId="18" pageNumber="19">Diagnosis</emphasis>
. Shell medium-sized, ovate-conic; penis having two distal and two basal papillae on the inner edge. Distinguished from Chihuahuan Desert congeners by the greatly enlarged size of the penial papillae relative to the penis. Further differentiated from lower Río Conchos basin congeners by having a basal papilla on the inner edge of the penis, and from Pecos River basin congeners by its larger penial stylet.
</paragraph>
</subSubSection>
<caption id="DF30665BBF64831DFF2E11C9FE841ED5" httpUri="https://zenodo.org/record/278451/files/figure.png" pageId="19" pageNumber="20" targetBox="[151,1436,155,1723]" targetPageId="19">
<paragraph id="8BF036D3BF64831DFF2E11C9FE841ED5" blockId="19.[151,1437,1747,1946]" pageId="19" pageNumber="20">
<emphasis id="B93BEAC1BF64831DFF2E11C9FEA21FA7" bold="true" box="[151,262,1747,1768]" pageId="19" pageNumber="20">FIGURE 9</emphasis>
.
<taxonomicName id="4C4F4D50BF64831DFEAA11CEFE071FA6" box="[275,419,1748,1769]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="taylori" status="sp. nov.">
<emphasis id="B93BEAC1BF64831DFEAA11CEFE071FA6" box="[275,419,1748,1769]" italics="true" pageId="19" pageNumber="20">Tryonia taylori</emphasis>
</taxonomicName>
<emphasis id="B93BEAC1BF64831DFE1011C9FE551FA7" bold="true" box="[425,497,1747,1768]" pageId="19" pageNumber="20">
<taxonomicNameLabel id="A20857BABF64831DFE1011C9FE551FA7" box="[425,497,1747,1768]" pageId="19" pageNumber="20" rank="species">sp. nov</taxonomicNameLabel>
</emphasis>
and
<taxonomicName id="4C4F4D50BF64831DFD9811CEFD221FA6" box="[545,646,1748,1769]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="metcalfi" status="sp. nov.">
<emphasis id="B93BEAC1BF64831DFD9811CEFD221FA6" box="[545,646,1748,1769]" italics="true" pageId="19" pageNumber="20">T. metcalfi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20857BABF64831DFD3511C9FD7D1FA6" box="[652,729,1747,1769]" pageId="19" pageNumber="20" rank="species">
<emphasis id="B93BEAC1BF64831DFD3511C9FD771FA7" bold="true" box="[652,723,1747,1768]" pageId="19" pageNumber="20">sp. nov</emphasis>
.
</taxonomicNameLabel>
A. Holotype,
<taxonomicName id="4C4F4D50BF64831DFCDB11CEFC1C1FA6" box="[866,952,1748,1769]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="taylori">
<emphasis id="B93BEAC1BF64831DFCDB11CEFC1C1FA6" box="[866,952,1748,1769]" italics="true" pageId="19" pageNumber="20">T. taylori</emphasis>
</taxonomicName>
, USNM 873254. B. Male shell,
<taxonomicName id="4C4F4D50BF64831DFB4A11CEFAED1FA6" box="[1267,1353,1748,1769]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="taylori">
<emphasis id="B93BEAC1BF64831DFB4A11CEFAED1FA6" box="[1267,1353,1748,1769]" italics="true" pageId="19" pageNumber="20">T. taylori</emphasis>
</taxonomicName>
, USNM 1153678. CD. Shells,
<taxonomicName id="4C4F4D50BF64831DFECC11E8FE6E1E48" box="[373,458,1778,1799]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="taylori">
<emphasis id="B93BEAC1BF64831DFECC11E8FE6E1E48" box="[373,458,1778,1799]" italics="true" pageId="19" pageNumber="20">T. taylori</emphasis>
</taxonomicName>
, USNM 873283 (D is a male). E. Holotype,
<taxonomicName id="4C4F4D50BF64831DFCCE11E8FC781E48" box="[887,988,1778,1799]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="metcalfi">
<emphasis id="B93BEAC1BF64831DFCCE11E8FC781E48" box="[887,988,1778,1799]" italics="true" pageId="19" pageNumber="20">T. metcalfi</emphasis>
</taxonomicName>
, USNM 1001931. F. Shell,
<taxonomicName id="4C4F4D50BF64831DFB5F11E8FAEF1E48" box="[1254,1355,1778,1799]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="metcalfi">
<emphasis id="B93BEAC1BF64831DFB5F11E8FAEF1E48" box="[1254,1355,1778,1799]" italics="true" pageId="19" pageNumber="20">T. metcalfi</emphasis>
</taxonomicName>
, USNM 1153672. GI. Operculum (outer, inner, inner sides),
<taxonomicName id="4C4F4D50BF64831DFD1F100AFD5A1E6A" box="[678,766,1808,1829]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="taylori">
<emphasis id="B93BEAC1BF64831DFD1F100AFD5A1E6A" box="[678,766,1808,1829]" italics="true" pageId="19" pageNumber="20">T. taylori</emphasis>
</taxonomicName>
, USNM 1153678. JK. Operculum (outer, inner sides),
<taxonomicName id="4C4F4D50BF64831DFA97100AFA311E6A" box="[1326,1429,1808,1829]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="metcalfi">
<emphasis id="B93BEAC1BF64831DFA97100AFA311E6A" box="[1326,1429,1808,1829]" italics="true" pageId="19" pageNumber="20">T. metcalfi</emphasis>
</taxonomicName>
, USNM 1153672. L. Portion of radular ribbon,
<taxonomicName id="4C4F4D50BF64831DFDDA1037FD1E1E0D" box="[611,698,1837,1858]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="taylori">
<emphasis id="B93BEAC1BF64831DFDDA1037FD1E1E0D" box="[611,698,1837,1858]" italics="true" pageId="19" pageNumber="20">T. taylori</emphasis>
</taxonomicName>
, USNM 1153678. M. Central radular teeth,
<taxonomicName id="4C4F4D50BF64831DFBC91037FB631E0D" box="[1136,1223,1837,1858]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="taylori">
<emphasis id="B93BEAC1BF64831DFBC91037FB631E0D" box="[1136,1223,1837,1858]" italics="true" pageId="19" pageNumber="20">T. taylori</emphasis>
</taxonomicName>
, USNM 1153678. N. Lateral tooth,
<taxonomicName id="4C4F4D50BF64831DFE991051FED21E2F" box="[288,374,1867,1888]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="taylori">
<emphasis id="B93BEAC1BF64831DFE991051FED21E2F" box="[288,374,1867,1888]" italics="true" pageId="19" pageNumber="20">T. taylori</emphasis>
</taxonomicName>
, USNM 1153678. O. Portion of radular ribbon,
<taxonomicName id="4C4F4D50BF64831DFCF71051FC101E2F" box="[846,948,1867,1888]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="metcalfi">
<emphasis id="B93BEAC1BF64831DFCF71051FC101E2F" box="[846,948,1867,1888]" italics="true" pageId="19" pageNumber="20">T. metcalfi</emphasis>
</taxonomicName>
, USNM 1153672. P. Central radular teeth,
<taxonomicName id="4C4F4D50BF64831DFAE01051FF661E32" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="metcalfi">
<emphasis id="B93BEAC1BF64831DFAE01051FF661E32" italics="true" pageId="19" pageNumber="20">T. metcalfi</emphasis>
</taxonomicName>
, USNM 1153672. Q. Lateral teeth,
<taxonomicName id="4C4F4D50BF64831DFDA01072FDD91E32" box="[537,637,1896,1917]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="metcalfi">
<emphasis id="B93BEAC1BF64831DFDA01072FDD91E32" box="[537,637,1896,1917]" italics="true" pageId="19" pageNumber="20">T. metcalfi</emphasis>
</taxonomicName>
, USNM 1153672. Scale bars AF = 1.0 mm; GK = 250 µm; L, O = 25 µm, MN, PQ = 10 µm.
</paragraph>
</caption>
<subSubSection id="C3556558BF63831AFF7E178DFE1A1A13" pageId="20" pageNumber="21" type="description">
<paragraph id="8BF036D3BF63831AFF7E178DFE8F1870" blockId="20.[151,1436,151,1111]" pageId="20" pageNumber="21">
<emphasis id="B93BEAC1BF63831AFF7E178DFEF519FF" bold="true" box="[199,337,151,176]" pageId="20" pageNumber="21">Description</emphasis>
. Shell (
<figureCitation id="13742A56BF63831AFE11178DFE4C19E0" box="[424,488,151,175]" captionStart="FIGURE 9" captionStartId="19.[151,244,1747,1768]" captionTargetBox="[151,1436,155,1723]" captionTargetId="figure@19.[151,1436,155,1723]" captionTargetPageId="19" captionText="FIGURE 9. Tryonia taylori sp. nov and T. metcalfi sp. nov. A. Holotype, T. taylori, USNM 873254. B. Male shell, T. taylori, USNM 1153678. C D. Shells, T. taylori, USNM 873283 (D is a male). E. Holotype, T. metcalfi, USNM 1001931. F. Shell, T. metcalfi, USNM 1153672. G I. Operculum (outer, inner, inner sides), T. taylori, USNM 1153678. J K. Operculum (outer, inner sides), T. metcalfi, USNM 1153672. L. Portion of radular ribbon, T. taylori, USNM 1153678. M. Central radular teeth, T. taylori, USNM 1153678. N. Lateral tooth, T. taylori, USNM 1153678. O. Portion of radular ribbon, T. metcalfi, USNM 1153672. P. Central radular teeth, T. metcalfi, USNM 1153672. Q. Lateral teeth, T. metcalfi, USNM 1153672. Scale bars A F = 1.0 mm; G K = 250 µm; L, O = 25 µm, M N, P Q = 10 µm." httpUri="https://zenodo.org/record/278451/files/figure.png" pageId="20" pageNumber="21">Fig. 9</figureCitation>
EF) up to
<quantity id="4CB79B36BF63831AFDDE178DFD1919E0" box="[615,701,151,175]" metricMagnitude="-3" metricUnit="m" metricValue="2.6" pageId="20" pageNumber="21" unit="mm" value="2.6">2.6 mm</quantity>
tall, large females having 4.55.0 whorls, spire height 100130% width of shell, sexual dimorphism of shells not obvious. Teleoconch whorls medium convex, shouldered, sutures impressed. Aperture ovate, inner lip complete, slightly thickened, adnate or disjunct, umbilicus narrow or absent. Outer lip thin, orthocline. Sculpture of strong growth lines. Periostracum tan, usually absent owing to erosion of shell surface.
</paragraph>
<paragraph id="8BF036D3BF63831AFF7E1651FA8818E3" blockId="20.[151,1436,151,1111]" pageId="20" pageNumber="21">
<emphasis id="B93BEAC1BF63831AFF7E1651FE6D182B" bold="true" box="[199,457,331,356]" pageId="20" pageNumber="21">Shell measurements (</emphasis>
mean in parentheses): height
<quantity id="4CB79B36BF63831AFCA01656FC1A182B" box="[793,958,332,356]" metricMagnitude="-3" metricUnit="m" metricValue="2.305" metricValueMax="2.62" metricValueMin="1.99" pageId="20" pageNumber="21" unit="mm" value="2.305" valueMax="2.62" valueMin="1.99">1.992.62 mm</quantity>
(2.24), width
<quantity id="4CB79B36BF63831AFBDA1656FAAC182B" box="[1123,1288,332,356]" metricMagnitude="-3" metricUnit="m" metricValue="1.21" metricValueMax="1.34" metricValueMin="1.08" pageId="20" pageNumber="21" unit="mm" value="1.21" valueMax="1.34" valueMin="1.08">1.081.34 mm</quantity>
(1.19), body whorl height
<quantity id="4CB79B36BF63831AFE941675FE7418C8" box="[301,464,367,391]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" metricValueMax="1.66" metricValueMin="1.34" pageId="20" pageNumber="21" unit="mm" value="1.5" valueMax="1.66" valueMin="1.34">1.341.66 mm</quantity>
(1.51), body whorl width
<quantity id="4CB79B36BF63831AFD401675FC3918C8" box="[761,925,367,391]" metricMagnitude="-3" metricUnit="m" metricValue="1.13" metricValueMax="1.27" metricValueMin="0.99" pageId="20" pageNumber="21" unit="mm" value="1.13" valueMax="1.27" valueMin="0.99">0.991.27 mm</quantity>
(1.12), aperture height
<quantity id="4CB79B36BF63831AFB1E1675FAEE18C8" box="[1191,1354,367,391]" metricMagnitude="-4" metricUnit="m" metricValue="8.7" metricValueMax="9.7" metricValueMin="7.7" pageId="20" pageNumber="21" unit="mm" value="0.87" valueMax="0.97" valueMin="0.77">0.770.97 mm</quantity>
(0.87), aperture width
<quantity id="4CB79B36BF63831AFEF9168EFE4718E3" box="[320,483,404,428]" metricMagnitude="-4" metricUnit="m" metricValue="7.35" metricValueMax="8.0" metricValueMin="6.7" pageId="20" pageNumber="21" unit="mm" value="0.735" valueMax="0.8" valueMin="0.67">0.670.80 mm</quantity>
(0.73), total number of whorls 4.505.00 (4.78) (USNM 1153672,
<emphasis id="B93BEAC1BF63831AFB6D168FFB4618E3" box="[1236,1250,405,428]" italics="true" pageId="20" pageNumber="21">n</emphasis>
= 10).
</paragraph>
<paragraph id="8BF036D3BF63831AFF7E16A2FC7518BB" blockId="20.[151,1436,151,1111]" pageId="20" pageNumber="21">
<emphasis id="B93BEAC1BF63831AFF7E16A2FDA7189F" bold="true" box="[199,515,439,464]" pageId="20" pageNumber="21">
Measurements of
<typeStatus id="54F48871BF63831AFE2516A2FDA7189F" box="[412,515,440,464]" pageId="20" pageNumber="21" type="holotype">holotype</typeStatus>
</emphasis>
: height
<quantity id="4CB79B36BF63831AFDD916ADFD631880" box="[608,711,439,463]" metricMagnitude="-3" metricUnit="m" metricValue="2.27" pageId="20" pageNumber="21" unit="mm" value="2.27">2.27 mm</quantity>
, width
<quantity id="4CB79B36BF63831AFCA016ADFC241880" box="[793,896,439,463]" metricMagnitude="-3" metricUnit="m" metricValue="1.17" pageId="20" pageNumber="21" unit="mm" value="1.17">1.17 mm</quantity>
, body whorl height
<quantity id="4CB79B36BF63831AFBD816ADFB6D1880" box="[1121,1225,439,463]" metricMagnitude="-3" metricUnit="m" metricValue="1.52" pageId="20" pageNumber="21" unit="mm" value="1.52">1.52 mm</quantity>
, body whorl width
<quantity id="4CB79B36BF63831AFF2E16C6FF5918BB" box="[151,253,476,500]" metricMagnitude="-3" metricUnit="m" metricValue="1.12" pageId="20" pageNumber="21" unit="mm" value="1.12">1.12 mm</quantity>
, aperture height
<quantity id="4CB79B36BF63831AFE0116C6FDBA18BB" box="[440,542,476,500]" metricMagnitude="-4" metricUnit="m" metricValue="8.9" pageId="20" pageNumber="21" unit="mm" value="0.89">0.89 mm</quantity>
, aperture width
<quantity id="4CB79B36BF63831AFD6A16C6FC9D18BB" box="[723,825,476,500]" metricMagnitude="-4" metricUnit="m" metricValue="7.3" pageId="20" pageNumber="21" unit="mm" value="0.73">0.73 mm</quantity>
, 4.75 whorls.
</paragraph>
<paragraph id="8BF036D3BF63831AFF7E151AFF5B1B83" blockId="20.[151,1436,151,1111]" pageId="20" pageNumber="21">
Inner and outer sides of operculum smooth (
<figureCitation id="13742A56BF63831AFD7116E5FCA81B58" box="[712,780,511,535]" captionStart="FIGURE 9" captionStartId="19.[151,244,1747,1768]" captionTargetBox="[151,1436,155,1723]" captionTargetId="figure@19.[151,1436,155,1723]" captionTargetPageId="19" captionText="FIGURE 9. Tryonia taylori sp. nov and T. metcalfi sp. nov. A. Holotype, T. taylori, USNM 873254. B. Male shell, T. taylori, USNM 1153678. C D. Shells, T. taylori, USNM 873283 (D is a male). E. Holotype, T. metcalfi, USNM 1001931. F. Shell, T. metcalfi, USNM 1153672. G I. Operculum (outer, inner, inner sides), T. taylori, USNM 1153678. J K. Operculum (outer, inner sides), T. metcalfi, USNM 1153672. L. Portion of radular ribbon, T. taylori, USNM 1153678. M. Central radular teeth, T. taylori, USNM 1153678. N. Lateral tooth, T. taylori, USNM 1153678. O. Portion of radular ribbon, T. metcalfi, USNM 1153672. P. Central radular teeth, T. metcalfi, USNM 1153672. Q. Lateral teeth, T. metcalfi, USNM 1153672. Scale bars A F = 1.0 mm; G K = 250 µm; L, O = 25 µm, M N, P Q = 10 µm." httpUri="https://zenodo.org/record/278451/files/figure.png" pageId="20" pageNumber="21">Fig. 9</figureCitation>
JK). Radula (
<figureCitation id="13742A56BF63831AFC0C16E5FC5D1B58" box="[949,1017,511,535]" captionStart="FIGURE 9" captionStartId="19.[151,244,1747,1768]" captionTargetBox="[151,1436,155,1723]" captionTargetId="figure@19.[151,1436,155,1723]" captionTargetPageId="19" captionText="FIGURE 9. Tryonia taylori sp. nov and T. metcalfi sp. nov. A. Holotype, T. taylori, USNM 873254. B. Male shell, T. taylori, USNM 1153678. C D. Shells, T. taylori, USNM 873283 (D is a male). E. Holotype, T. metcalfi, USNM 1001931. F. Shell, T. metcalfi, USNM 1153672. G I. Operculum (outer, inner, inner sides), T. taylori, USNM 1153678. J K. Operculum (outer, inner sides), T. metcalfi, USNM 1153672. L. Portion of radular ribbon, T. taylori, USNM 1153678. M. Central radular teeth, T. taylori, USNM 1153678. N. Lateral tooth, T. taylori, USNM 1153678. O. Portion of radular ribbon, T. metcalfi, USNM 1153672. P. Central radular teeth, T. metcalfi, USNM 1153672. Q. Lateral teeth, T. metcalfi, USNM 1153672. Scale bars A F = 1.0 mm; G K = 250 µm; L, O = 25 µm, M N, P Q = 10 µm." httpUri="https://zenodo.org/record/278451/files/figure.png" pageId="20" pageNumber="21">Fig. 9</figureCitation>
<collectingCountry id="F3587643BF63831AFC4016E5FBAA1B58" box="[1017,1038,511,535]" name="Iceland" pageId="20" pageNumber="21">O</collectingCountry>
Q): dorsal edge of central radular teeth strongly concave, basal tongue V-shaped, median cusps distally pointed, parallel-sided proximally, lateral cusps fiveseven, basal cusps onetwo (innermost larger) (
<figureCitation id="13742A56BF63831AFC91155DFCCF1B10" box="[808,875,583,607]" captionStart="FIGURE 9" captionStartId="19.[151,244,1747,1768]" captionTargetBox="[151,1436,155,1723]" captionTargetId="figure@19.[151,1436,155,1723]" captionTargetPageId="19" captionText="FIGURE 9. Tryonia taylori sp. nov and T. metcalfi sp. nov. A. Holotype, T. taylori, USNM 873254. B. Male shell, T. taylori, USNM 1153678. C D. Shells, T. taylori, USNM 873283 (D is a male). E. Holotype, T. metcalfi, USNM 1001931. F. Shell, T. metcalfi, USNM 1153672. G I. Operculum (outer, inner, inner sides), T. taylori, USNM 1153678. J K. Operculum (outer, inner sides), T. metcalfi, USNM 1153672. L. Portion of radular ribbon, T. taylori, USNM 1153678. M. Central radular teeth, T. taylori, USNM 1153678. N. Lateral tooth, T. taylori, USNM 1153678. O. Portion of radular ribbon, T. metcalfi, USNM 1153672. P. Central radular teeth, T. metcalfi, USNM 1153672. Q. Lateral teeth, T. metcalfi, USNM 1153672. Scale bars A F = 1.0 mm; G K = 250 µm; L, O = 25 µm, M N, P Q = 10 µm." httpUri="https://zenodo.org/record/278451/files/figure.png" pageId="20" pageNumber="21">Fig. 9</figureCitation>
P). Lateral teeth having foursix cusps both on the inner and outer sides, length of outer wing about 160% width of cutting edge, central cusp pointed (
<figureCitation id="13742A56BF63831AFB4A1576FA921BCB" box="[1267,1334,620,644]" captionStart="FIGURE 9" captionStartId="19.[151,244,1747,1768]" captionTargetBox="[151,1436,155,1723]" captionTargetId="figure@19.[151,1436,155,1723]" captionTargetPageId="19" captionText="FIGURE 9. Tryonia taylori sp. nov and T. metcalfi sp. nov. A. Holotype, T. taylori, USNM 873254. B. Male shell, T. taylori, USNM 1153678. C D. Shells, T. taylori, USNM 873283 (D is a male). E. Holotype, T. metcalfi, USNM 1001931. F. Shell, T. metcalfi, USNM 1153672. G I. Operculum (outer, inner, inner sides), T. taylori, USNM 1153678. J K. Operculum (outer, inner sides), T. metcalfi, USNM 1153672. L. Portion of radular ribbon, T. taylori, USNM 1153678. M. Central radular teeth, T. taylori, USNM 1153678. N. Lateral tooth, T. taylori, USNM 1153678. O. Portion of radular ribbon, T. metcalfi, USNM 1153672. P. Central radular teeth, T. metcalfi, USNM 1153672. Q. Lateral teeth, T. metcalfi, USNM 1153672. Scale bars A F = 1.0 mm; G K = 250 µm; L, O = 25 µm, M N, P Q = 10 µm." httpUri="https://zenodo.org/record/278451/files/figure.png" pageId="20" pageNumber="21">Fig. 9</figureCitation>
Q). Inner marginal teeth having 2428 cusps, outer marginal teeth having 2632 cusps. Radula data are from USNM 1153672.
</paragraph>
<paragraph id="8BF036D3BF63831AFF7E15CDFE1A1A13" blockId="20.[151,1436,151,1111]" pageId="20" pageNumber="21">
Animal darkly pigmented. Penis (
<figureCitation id="13742A56BF63831AFDF015CDFD2A1BA0" box="[585,654,727,751]" 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="20" pageNumber="21">
Fig.
<date id="FFF11013BF63831AFD3915CDFD2A1BA0" box="[640,654,727,751]" pageId="20" pageNumber="21">5</date>
</figureCitation>
I) having two distal and two basal papillae on the inner edge (30/
<specimenCount id="9D49FD5ABF63831AFA3915CDFEB41A5B" pageId="20" pageNumber="21" type="generic">30 specimens</specimenCount>
), the basal-most papilla is sometimes positioned partly on the dorsal surface. Distal bulb of penis expanded laterally on inner side, black; stylet large. Penial duct weakly undulating in medial section. Penial data are from USNM 1151243.
</paragraph>
</subSubSection>
<subSubSection id="C3556558BF63831AFF7E147DFC891AA3" pageId="20" pageNumber="21" type="distribution">
<paragraph id="8BF036D3BF63831AFF7E147DFC891AA3" blockId="20.[151,1436,151,1111]" pageId="20" pageNumber="21">
<emphasis id="B93BEAC1BF63831AFF7E147DFE4E1ACF" bold="true" box="[199,490,871,896]" pageId="20" pageNumber="21">Distribution and habitat</emphasis>
. Endemic to a single locality along the east side of the Rio Grande above the mouth of the Río Conchos (
<figureCitation id="13742A56BF63831AFE3C1496FE421AEB" box="[389,486,908,932]" 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="20" pageNumber="21">Figure 1</figureCitation>
, locality 12). This locality is a complex of small seeps that discharges into a broad arroyo (
<figureCitation id="13742A56BF63831AFF5614B5FE891A88" box="[239,301,943,967]" 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="20" pageNumber="21">Fig 6</figureCitation>
K).
<taxonomicName id="4C4F4D50BF63831AFEE114ABFDB51A87" box="[344,529,944,968]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="21" phylum="Mollusca" rank="species" species="metcalfi">
<emphasis id="B93BEAC1BF63831AFEE114ABFDB51A87" box="[344,529,944,968]" italics="true" pageId="20" pageNumber="21">Tryonia metcalfi</emphasis>
</taxonomicName>
was found on mud, decaying vegetation and on the undersides of rocks in 19°C water. This habitat has been heavily degraded by livestock.
</paragraph>
</subSubSection>
<subSubSection id="C3556558BF63831AFF7E14E2FC3D1D18" pageId="20" pageNumber="21" type="discussion">
<paragraph id="8BF036D3BF63831AFF7E14E2FC3D1D18" blockId="20.[151,1436,151,1111]" pageId="20" pageNumber="21">
<emphasis id="B93BEAC1BF63831AFF7E14E2FE901D5F" bold="true" box="[199,308,1016,1040]" pageId="20" pageNumber="21">Remarks</emphasis>
.
<taxonomicName id="4C4F4D50BF63831AFEFB14E3FE5F1D5F" box="[322,507,1016,1040]" class="Gastropoda" family="Hydrobiidae" genus="Tryonia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="21" phylum="Mollusca" rank="species" species="metcalfi">
<emphasis id="B93BEAC1BF63831AFEFB14E3FE5F1D5F" box="[322,507,1016,1040]" italics="true" pageId="20" pageNumber="21">Tryonia metcalfi</emphasis>
</taxonomicName>
was delineated as a well supported lineage in the Bayesian tree (
<figureCitation id="13742A56BF63831AFB6014EDFABB1D40" box="[1241,1311,1015,1039]" 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&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="20" pageNumber="21">Fig. 2</figureCitation>
). This species was discovered coincidentally while searching for additional localities for
<taxonomicName id="4C4F4D50BF63831AFBB01306FA331D7B" authority="Taylor, 1987" authorityName="Taylor" authorityYear="1987" box="[1033,1431,1052,1076]" class="Gastropoda" family="Hydrobiidae" genus="Pyrgulopsis" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="21" phylum="Mollusca" rank="species" species="metcalfi">
<emphasis id="B93BEAC1BF63831AFBB01306FB4A1D7B" box="[1033,1262,1052,1076]" italics="true" pageId="20" pageNumber="21">Pyrgulopsis metcalfi</emphasis>
(
<bibRefCitation id="EFDE4B22BF63831AFB451306FA2B1D7B" author="Taylor" box="[1276,1423,1052,1076]" pageId="20" pageNumber="21" refString="Taylor, D. W. (1987) Fresh-water molluscs from New Mexico and vicinity. New Mexico Bureau of Mines &amp; Mineral Resources Bulletin, 116, 1 - 50." type="journal article" year="1987">Taylor, 1987</bibRefCitation>
)
</taxonomicName>
, which is distributed a little to the south of La Cienega (
<bibRefCitation id="EFDE4B22BF63831AFD461325FC291D18" author="Taylor" box="[767,909,1087,1111]" pageId="20" pageNumber="21" refString="Taylor, D. W. (1987) Fresh-water molluscs from New Mexico and vicinity. New Mexico Bureau of Mines &amp; Mineral Resources Bulletin, 116, 1 - 50." type="journal article" year="1987">Taylor 1987</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>