146 lines
20 KiB
XML
146 lines
20 KiB
XML
<document id="F0C934C590A1374FF6DBDCBED84428AE" ID-CLB-Dataset="46759" ID-DOI="10.5281/zenodo.206868" ID-GBIF-Dataset="e62210f9-f1bd-4dde-8f76-7c88fc32f004" ID-ISSN="1175-5326" ID-Zenodo-Dep="206868" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460363783068" checkinUser="plazi" docAuthor="Frýda, Jiří, Blodgett, Robert B., Lenz, Alfred C. & Frýdová, Barbora" docDate="2011" docId="038DF748037AFFBA4FFFFE1E3C0A7F7C" docLanguage="en" docName="zt02905p062.pdf" docOrigin="Zootaxa 2905" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Jardamarekia enigma Frýda, Blodgett, Lenz & Frýdová, 2011, sp. nov." docType="treatment" docVersion="10" lastPageNumber="60" masterDocId="FFB48F300379FFB94F68FFD438217B08" masterDocTitle="Jardamarekia enigma, a new Early Devonian tryblidioidean from Royal Creek area (Yukon Territory, Canada), and paleobiogeography of the Early Devonian of northwestern Canada" masterLastPageNumber="62" masterPageNumber="57" pageNumber="60" updateTime="1698294963415" updateUser="ExternalLinkService">
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<mods:title id="117E1DE7DEEAD70FFF2FD7F2FA9F47F9">Jardamarekia enigma, a new Early Devonian tryblidioidean from Royal Creek area (Yukon Territory, Canada), and paleobiogeography of the Early Devonian of northwestern Canada</mods:title>
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<mods:namePart id="9745F885AA82D3CBFE92C96E57E52D1E">Frýda, Jiří</mods:namePart>
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<mods:namePart id="1C677B3459B11F932E1FE13216B27279">Blodgett, Robert B.</mods:namePart>
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<mods:namePart id="72406EF2C86E305E16C4BF926243EBD3">Lenz, Alfred C.</mods:namePart>
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<mods:namePart id="63FCA908CA93E5766277CDC4DA56F990">Frýdová, Barbora</mods:namePart>
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<mods:typeOfResource id="C70974B69B4D3F94FAF53FD6E66D726B">text</mods:typeOfResource>
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<mods:title id="26AB221B2A8DB1D4F3F374099278B734">Zootaxa</mods:title>
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<mods:date id="C2EB441DC62C3B5F598C3CC62830B492">2011</mods:date>
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<mods:number id="DE60FE3D44FF9F83637150E67E5192E4">2905</mods:number>
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<mods:identifier id="D846E83D088A88018B5A882066FEFB0F" type="DOI">10.5281/zenodo.206868</mods:identifier>
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<treatment id="038DF748037AFFBA4FFFFE1E3C0A7F7C" ID-DOI="http://doi.org/10.5281/zenodo.6191230" ID-GBIF-Taxon="119410299" ID-Zenodo-Dep="6191230" LSID="urn:lsid:plazi:treatment:038DF748037AFFBA4FFFFE1E3C0A7F7C" httpUri="http://treatment.plazi.org/id/038DF748037AFFBA4FFFFE1E3C0A7F7C" lastPageNumber="60" pageId="3" pageNumber="60">
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<subSubSection id="C33E15D5037AFFBA4FFFFE1E3929790C" pageId="3" pageNumber="60" type="nomenclature">
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<paragraph id="8B9B465E037AFFBA4FFFFE1E39C47AEA" blockId="3.[151,485,458,516]" box="[151,485,458,482]" pageId="3" pageNumber="60">
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<heading id="D0D3F132037AFFBA4FFFFE1E39C47AEA" bold="true" box="[151,485,458,482]" fontSize="10" level="2" pageId="3" pageNumber="60" reason="2">
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<emphasis id="B9509A4C037AFFBA4FFFFE1E39C47AEA" bold="true" box="[151,485,458,482]" pageId="3" pageNumber="60">
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||
<taxonomicName id="4C243DDD037AFFBA4FFFFE1E39A87AEA" ID-CoL="8Z8ZP" box="[151,393,458,482]" family="Ladamarekiidae" genus="Jardamarekia" kingdom="Animalia" pageId="3" pageNumber="60" phylum="Mollusca" rank="species" species="enigma" status="sp. nov.">
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<emphasis id="B9509A4C037AFFBA4FFFFE1E39A87AEA" bold="true" box="[151,393,458,482]" italics="true" pageId="3" pageNumber="60">Jardamarekia enigma</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A2632737037AFFBA4EE7FE1E39C47AEA" box="[399,485,458,482]" pageId="3" pageNumber="60" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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||
</paragraph>
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<paragraph id="8B9B465E037AFFBA4FFFFE393929790C" blockId="3.[151,485,458,516]" box="[151,264,493,516]" pageId="3" pageNumber="60">
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<figureCitation id="131F5ADB037AFFBA4FFFFE3938F5790C" box="[151,212,493,516]" captionStart="FIGURE 2" captionStartId="2.[151,247,1752,1775]" captionTargetBox="[151,1436,553,1730]" captionTargetId="figure@2.[151,1436,537,1731]" captionTargetPageId="2" captionText="FIGURE 2. Jardamarekia enigma sp. nov. from middle Early Devonian (Pragian) age strata of the Road River Formation in the Royal Creek area, Yukon Territory, Canada. The species is from interval 142.0 – 150.0 m of section 1 (Fig. 1 A). Holotype GSC 134793: A – C, F, H – N, shell length 18 mm, width 14 mm, height 10 mm; figure width of shell details: H— 11 mm, I— 10 mm, J— 8 mm, K— 3,5 mm, L— 10 mm, M, N— 3 mm. Paratype: GSC 134794: D – E, G, shell length 26 mm, width 21 mm, height 11 mm." httpUri="https://zenodo.org/record/206870/files/figure.png" pageId="3" pageNumber="60">Fig. 2</figureCitation>
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A–N
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</paragraph>
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</subSubSection>
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<subSubSection id="C33E15D5037AFFBA4FFFFDE63CA679DC" pageId="3" pageNumber="60" type="materials_examined">
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<paragraph id="8B9B465E037AFFBA4FFFFDE63AA37941" blockId="3.[151,1437,562,1140]" box="[151,642,562,586]" pageId="3" pageNumber="60">
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<emphasis id="B9509A4C037AFFBA4FFFFDE639247942" bold="true" box="[151,261,562,586]" pageId="3" pageNumber="60">
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<typeStatus id="549FF8FC037AFFBA4FFFFDE639207942" box="[151,257,562,586]" pageId="3" pageNumber="60" type="holotype">Holotype</typeStatus>
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.
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</emphasis>
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<collectionCode id="ED35DE9B037AFFBA4E64FDE639617941" box="[268,320,562,585]" httpUri="http://grbio.org/cool/52gs-z31g" name="Geological Survey of Canada" pageId="3" pageNumber="60">GSC</collectionCode>
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134793 (
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<figureCitation id="131F5ADB037AFFBA4ECDFDE639C57941" box="[421,484,562,585]" captionStart="FIGURE 2" captionStartId="2.[151,247,1752,1775]" captionTargetBox="[151,1436,553,1730]" captionTargetId="figure@2.[151,1436,537,1731]" captionTargetPageId="2" captionText="FIGURE 2. Jardamarekia enigma sp. nov. from middle Early Devonian (Pragian) age strata of the Road River Formation in the Royal Creek area, Yukon Territory, Canada. The species is from interval 142.0 – 150.0 m of section 1 (Fig. 1 A). Holotype GSC 134793: A – C, F, H – N, shell length 18 mm, width 14 mm, height 10 mm; figure width of shell details: H— 11 mm, I— 10 mm, J— 8 mm, K— 3,5 mm, L— 10 mm, M, N— 3 mm. Paratype: GSC 134794: D – E, G, shell length 26 mm, width 21 mm, height 11 mm." httpUri="https://zenodo.org/record/206870/files/figure.png" pageId="3" pageNumber="60">Fig. 2</figureCitation>
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A–C, F, H–N).
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</paragraph>
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<paragraph id="8B9B465E037AFFBA4FAFFD803A577964" blockId="3.[151,1437,562,1140]" box="[199,630,596,620]" pageId="3" pageNumber="60">
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<emphasis id="B9509A4C037AFFBA4FAFFD8039147964" bold="true" box="[199,309,596,620]" pageId="3" pageNumber="60">
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<typeStatus id="549FF8FC037AFFBA4FAFFD8039107964" box="[199,305,596,620]" pageId="3" pageNumber="60" type="paratype">Paratype</typeStatus>
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.
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</emphasis>
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<collectionCode id="ED35DE9B037AFFBA4E54FD8139517964" box="[316,368,597,620]" httpUri="http://grbio.org/cool/52gs-z31g" name="Geological Survey of Canada" pageId="3" pageNumber="60">GSC</collectionCode>
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134794 (
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<figureCitation id="131F5ADB037AFFBA4EBDFD813A357964" box="[469,532,597,620]" captionStart="FIGURE 2" captionStartId="2.[151,247,1752,1775]" captionTargetBox="[151,1436,553,1730]" captionTargetId="figure@2.[151,1436,537,1731]" captionTargetPageId="2" captionText="FIGURE 2. Jardamarekia enigma sp. nov. from middle Early Devonian (Pragian) age strata of the Road River Formation in the Royal Creek area, Yukon Territory, Canada. The species is from interval 142.0 – 150.0 m of section 1 (Fig. 1 A). Holotype GSC 134793: A – C, F, H – N, shell length 18 mm, width 14 mm, height 10 mm; figure width of shell details: H— 11 mm, I— 10 mm, J— 8 mm, K— 3,5 mm, L— 10 mm, M, N— 3 mm. Paratype: GSC 134794: D – E, G, shell length 26 mm, width 21 mm, height 11 mm." httpUri="https://zenodo.org/record/206870/files/figure.png" pageId="3" pageNumber="60">Fig. 2</figureCitation>
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D–E, G).
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</paragraph>
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<paragraph id="8B9B465E037AFFBA4FAFFDA33CA679DC" blockId="3.[151,1437,562,1140]" pageId="3" pageNumber="60">
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<emphasis id="B9509A4C037AFFBA4FAFFDA339417987" bold="true" box="[199,352,631,655]" pageId="3" pageNumber="60">
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<typeStatus id="549FF8FC037AFFBA4FAFFDA338DE7987" box="[199,255,631,655]" pageId="3" pageNumber="60">Type</typeStatus>
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locality.
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</emphasis>
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Middle Early Devonian (Pragian) age strata of the Road River Formation in the Royal Creek area, Yukon Territory,
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<collectingCountry id="F33306CE037AFFBA4E24FD4E39BE79B9" box="[332,415,666,689]" name="Canada" pageId="3" pageNumber="60">Canada</collectingCountry>
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||
. It comes from interval 142.0–150.0 m (
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<quantity id="4CDCEBBB037AFFBA4C20FD4E3BF779B9" box="[840,982,666,689]" metricMagnitude="2" metricUnit="m" metricValue="1.459992" metricValueMax="1.499616" metricValueMin="1.420368" pageId="3" pageNumber="60" unit="ft" value="479.0" valueMax="492.0" valueMin="466.0">466–492 feet</quantity>
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) of section 1 (
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<figureCitation id="131F5ADB037AFFBA4B05FD4E3C8B79B9" box="[1133,1194,666,689]" captionStart="FIGURE 1" captionStartId="1.[151,247,1879,1902]" captionTargetBox="[153,1434,993,1822]" captionTargetId="figure@1.[153,1434,993,1823]" captionTargetPageId="1" captionText="FIGURE 1. A—Stratigraphic section 1 showing a distribution of all hitherto described molluscs species from Royal Creek, northern Yukon. B—Generalized maps showing location of section 1 (asterisk) in the Yukon Territory, Canada. Modified from Lenz (1977 b)." httpUri="https://zenodo.org/record/206869/files/figure.png" pageId="3" pageNumber="60">Fig. 1</figureCitation>
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), which belongs to the fauna of Pragian age with the brachiopod
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<emphasis id="B9509A4C037AFFBA4D3DFD693B4A79DC" box="[597,875,701,724]" italics="true" pageId="3" pageNumber="60">Davidsoniatrypa johnsoni</emphasis>
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<bibRefCitation id="EFB53BAF037AFFBA4C19FD693BC879DC" author="Lenz" box="[881,1001,701,724]" pageId="3" pageNumber="60" refString="Lenz, A. C. (1968) Two new Lower Devonian atrypid brachiopods from Royal Creek, Yukon Territory, Canada. Journal of Paleontology, 42, 180 - 185." type="journal article" year="1968">Lenz, 1968</bibRefCitation>
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(
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<bibRefCitation id="EFB53BAF037AFFBA4C9FFD693C5A79DC" author="Lenz" box="[1015,1147,701,724]" pageId="3" pageNumber="60" refString="Lenz, A. C. (1977 b) Upper Silurian and Lower Devonian brachiopods of Royal Creek, Yukon, Canada. Part 2, Spiriferida: Atrypacea, Dayiacea, Athyridacea, Spiriferacea. Palaeontographica, Abteilung A, 159, 111 - 138." type="journal article" year="1977" yearSuffix="b">Lenz 1977b</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="C33E15D5037AFFBA4FAFFD0B3B8B79FF" box="[199,938,735,759]" pageId="3" pageNumber="60" type="etymology">
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<paragraph id="8B9B465E037AFFBA4FAFFD0B3B8B79FF" blockId="3.[151,1437,562,1140]" box="[199,938,735,759]" pageId="3" pageNumber="60">
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<emphasis id="B9509A4C037AFFBA4FAFFD0B396679FF" bold="true" box="[199,327,735,759]" pageId="3" pageNumber="60">Etymology.</emphasis>
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<taxonomicName id="4C243DDD037AFFBA4E25FD3439BD79FF" box="[333,412,736,759]" family="Ladamarekiidae" genus="Jardamarekia" kingdom="Animalia" pageId="3" pageNumber="60" phylum="Mollusca" rank="species" species="enigma">
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<emphasis id="B9509A4C037AFFBA4E25FD3439BD79FF" box="[333,412,736,759]" italics="true" pageId="3" pageNumber="60">enigma</emphasis>
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</taxonomicName>
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—from Latin
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<emphasis id="B9509A4C037AFFBA4D5FFD343AB279FF" box="[567,659,736,759]" italics="true" pageId="3" pageNumber="60">aenigma</emphasis>
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(something inexplicable).
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</paragraph>
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</subSubSection>
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<subSubSection id="C33E15D5037AFFBA4FAFFCD63B1D7811" box="[199,828,770,794]" pageId="3" pageNumber="60" type="diagnosis">
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<paragraph id="8B9B465E037AFFBA4FAFFCD63B1D7811" blockId="3.[151,1437,562,1140]" box="[199,828,770,794]" pageId="3" pageNumber="60">
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<emphasis id="B9509A4C037AFFBA4FAFFCD6391D7812" bold="true" box="[199,316,770,794]" pageId="3" pageNumber="60">Diagnosis.</emphasis>
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Because of monotypic genus, see that of genus.
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</paragraph>
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</subSubSection>
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||
<subSubSection id="C33E15D5037AFFBA4FAFFCF03C0A7F7C" pageId="3" pageNumber="60" type="description">
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<paragraph id="8B9B465E037AFFBA4FAFFCF03C0A7F7C" blockId="3.[151,1437,562,1140]" pageId="3" pageNumber="60">
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||
<emphasis id="B9509A4C037AFFBA4FAFFCF039737834" bold="true" box="[199,338,804,828]" pageId="3" pageNumber="60">Description.</emphasis>
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Two well-preserved, silicified, almost complete shells. Shells medium-sized, spoon shaped with distinctly protruding apex; maximum length about
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<quantity id="4CDCEBBB037AFFBA4DA3FC9C3B3C7857" box="[715,797,840,863]" metricMagnitude="-2" metricUnit="m" metricValue="2.7" pageId="3" pageNumber="60" unit="mm" value="27.0">27 mm</quantity>
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. Shell as high as wide, twice as long. Aperture elliptical, apertural margin in one plane. Protruding shell apex in middle of shell height, distinctly overhanging anterior margin of aperture (
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<figureCitation id="131F5ADB037AFFBA4F95FC59391C78AC" box="[253,317,909,932]" captionStart="FIGURE 2" captionStartId="2.[151,247,1752,1775]" captionTargetBox="[151,1436,553,1730]" captionTargetId="figure@2.[151,1436,537,1731]" captionTargetPageId="2" captionText="FIGURE 2. Jardamarekia enigma sp. nov. from middle Early Devonian (Pragian) age strata of the Road River Formation in the Royal Creek area, Yukon Territory, Canada. The species is from interval 142.0 – 150.0 m of section 1 (Fig. 1 A). Holotype GSC 134793: A – C, F, H – N, shell length 18 mm, width 14 mm, height 10 mm; figure width of shell details: H— 11 mm, I— 10 mm, J— 8 mm, K— 3,5 mm, L— 10 mm, M, N— 3 mm. Paratype: GSC 134794: D – E, G, shell length 26 mm, width 21 mm, height 11 mm." httpUri="https://zenodo.org/record/206870/files/figure.png" pageId="3" pageNumber="60">Fig. 2</figureCitation>
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C–E). Outer shell surface ornamented by strong concentric lamellae, comarginal with aperture. Lamellae crossed by radial threads. Comarginal lamellae, radial threads regularly spaced, forming distinct reticular shell ornamentation at their intersections (
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<figureCitation id="131F5ADB037AFFBA4D4EFC063A4678E1" box="[550,615,978,1001]" captionStart="FIGURE 2" captionStartId="2.[151,247,1752,1775]" captionTargetBox="[151,1436,553,1730]" captionTargetId="figure@2.[151,1436,537,1731]" captionTargetPageId="2" captionText="FIGURE 2. Jardamarekia enigma sp. nov. from middle Early Devonian (Pragian) age strata of the Road River Formation in the Royal Creek area, Yukon Territory, Canada. The species is from interval 142.0 – 150.0 m of section 1 (Fig. 1 A). Holotype GSC 134793: A – C, F, H – N, shell length 18 mm, width 14 mm, height 10 mm; figure width of shell details: H— 11 mm, I— 10 mm, J— 8 mm, K— 3,5 mm, L— 10 mm, M, N— 3 mm. Paratype: GSC 134794: D – E, G, shell length 26 mm, width 21 mm, height 11 mm." httpUri="https://zenodo.org/record/206870/files/figure.png" pageId="3" pageNumber="60">Fig. 2</figureCitation>
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A–C, J, K). Distance between lamellae about twice distance between radial threads. Because of more rapid shell growth in dorsal part of shell, distance between comarginal lamellae in dorsal region higher than in anterior region below shell apex. Lamellae adapically bent, height equals to their distance of separation. Width of each lamella about half of its height (
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<figureCitation id="131F5ADB037AFFBA4DE4FBEE3AEA7F59" box="[652,715,1082,1105]" captionStart="FIGURE 2" captionStartId="2.[151,247,1752,1775]" captionTargetBox="[151,1436,553,1730]" captionTargetId="figure@2.[151,1436,537,1731]" captionTargetPageId="2" captionText="FIGURE 2. Jardamarekia enigma sp. nov. from middle Early Devonian (Pragian) age strata of the Road River Formation in the Royal Creek area, Yukon Territory, Canada. The species is from interval 142.0 – 150.0 m of section 1 (Fig. 1 A). Holotype GSC 134793: A – C, F, H – N, shell length 18 mm, width 14 mm, height 10 mm; figure width of shell details: H— 11 mm, I— 10 mm, J— 8 mm, K— 3,5 mm, L— 10 mm, M, N— 3 mm. Paratype: GSC 134794: D – E, G, shell length 26 mm, width 21 mm, height 11 mm." httpUri="https://zenodo.org/record/206870/files/figure.png" pageId="3" pageNumber="60">Fig. 2</figureCitation>
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M–N). Shell apex blunt, cap-shaped without traces of spiral coiling (
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<figureCitation id="131F5ADB037AFFBA4FF7FB8938FE7F7C" box="[159,223,1117,1140]" captionStart="FIGURE 2" captionStartId="2.[151,247,1752,1775]" captionTargetBox="[151,1436,553,1730]" captionTargetId="figure@2.[151,1436,537,1731]" captionTargetPageId="2" captionText="FIGURE 2. Jardamarekia enigma sp. nov. from middle Early Devonian (Pragian) age strata of the Road River Formation in the Royal Creek area, Yukon Territory, Canada. The species is from interval 142.0 – 150.0 m of section 1 (Fig. 1 A). Holotype GSC 134793: A – C, F, H – N, shell length 18 mm, width 14 mm, height 10 mm; figure width of shell details: H— 11 mm, I— 10 mm, J— 8 mm, K— 3,5 mm, L— 10 mm, M, N— 3 mm. Paratype: GSC 134794: D – E, G, shell length 26 mm, width 21 mm, height 11 mm." httpUri="https://zenodo.org/record/206870/files/figure.png" pageId="3" pageNumber="60">Fig. 2</figureCitation>
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C, H–I). Shell thickness about equal to width of comarginal lamellae (
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<figureCitation id="131F5ADB037AFFBA4CA1FB893C287F7C" box="[969,1033,1117,1140]" captionStart="FIGURE 2" captionStartId="2.[151,247,1752,1775]" captionTargetBox="[151,1436,553,1730]" captionTargetId="figure@2.[151,1436,537,1731]" captionTargetPageId="2" captionText="FIGURE 2. Jardamarekia enigma sp. nov. from middle Early Devonian (Pragian) age strata of the Road River Formation in the Royal Creek area, Yukon Territory, Canada. The species is from interval 142.0 – 150.0 m of section 1 (Fig. 1 A). Holotype GSC 134793: A – C, F, H – N, shell length 18 mm, width 14 mm, height 10 mm; figure width of shell details: H— 11 mm, I— 10 mm, J— 8 mm, K— 3,5 mm, L— 10 mm, M, N— 3 mm. Paratype: GSC 134794: D – E, G, shell length 26 mm, width 21 mm, height 11 mm." httpUri="https://zenodo.org/record/206870/files/figure.png" pageId="3" pageNumber="60">Fig. 2</figureCitation>
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N).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |