350 lines
42 KiB
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350 lines
42 KiB
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<document id="9826D487D8E1F80FA877651DED592DAE" ID-DOI="10.11646/zootaxa.5422.1.1" ID-ISSN="1175-5334" ID-Zenodo-Dep="10805617" ID-ZooBank="AE955C5E-803E-44CB-A3B2-9C2616D9F185" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1710175333099" checkinUser="plazi" docAuthor="Taylor, John F., Loch, James D. & Repetski, John E." docDate="2024" docId="926387DBFF95CA09FF388567FA0D13A6" docLanguage="en" docName="zootaxa.5422.1.1.pdf" docOrigin="Zootaxa 5422 (1)" docSource="http://dx.doi.org/10.11646/zootaxa.5422.1.1" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.18:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="18" docTitle="Lotagnostus americanus" docType="treatment" docVersion="1" lastPageNumber="36" masterDocId="6E5AFFA3FFB7CA2AFFAF8670FF911415" masterDocTitle="Taxonomy and stratigraphic distribution of Lotagnostus (Agnostida: Agnostidae) and associated trilobites and conodonts in the Upper Cambrian (Furongian) of Laurentia" masterLastPageNumber="66" masterPageNumber="1" pageNumber="35" updateTime="1710175939639" updateUser="ExternalLinkService">
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<mods:title id="C97231FC98C8CB0774319F8FB2D33D9C">Taxonomy and stratigraphic distribution of Lotagnostus (Agnostida: Agnostidae) and associated trilobites and conodonts in the Upper Cambrian (Furongian) of Laurentia</mods:title>
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<mods:namePart id="3EA06C8D449887CDA341B4BFFC3C6B39">Taylor, John F.</mods:namePart>
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<mods:nameIdentifier id="43459BC5C45330FA6E4228C157320E50" type="ORCID">0000-0003-0162-0087</mods:nameIdentifier>
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<mods:affiliation id="81FC160B3E4E564E51BC185F8CD9A191">Department of Geography, Geology, Environment and Planning, Indiana University of Pennsylvania, Indiana, Pennsylvania 15705. jftaylor @ iup. edu; https: // orcid. org / 0000 - 0003 - 0162 - 0087</mods:affiliation>
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<mods:nameIdentifier id="B87591750D530AE19C761D95E3F8D475" type="email">jftaylor@iup.edu</mods:nameIdentifier>
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<mods:namePart id="5AC55E2CA6F6943063F1B567D903485D">Loch, James D.</mods:namePart>
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<mods:nameIdentifier id="BF0DA0DE26CD0ED8A6F59165A9BD7228" type="ORCID">0000-0003-4468-3512</mods:nameIdentifier>
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<mods:affiliation id="022ABB3D40E8C71F988812EB10CF8B2F">Department of Physical Sciences, University of Central Missouri, Warrensburg, Missouri, 64093 loch @ ucmo. edu; https: // orcid. org / 0000 - 0003 - 4468 - 3512</mods:affiliation>
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<mods:nameIdentifier id="A3B3372C0A0F01497F88216A2675CD33" type="email">loch@ucmo.edu</mods:nameIdentifier>
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<mods:namePart id="71484304CF38DFF53BE5DD592D172CA2">Repetski, John E.</mods:namePart>
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<mods:nameIdentifier id="24AC16F281FA593C7A40C99138DC4E14" type="ORCID">0000-0003-0162-0087</mods:nameIdentifier>
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<mods:affiliation id="21376696AA197BAD963C77EE3AC25FB6">Department of Geography, Geology, Environment and Planning, Indiana University of Pennsylvania, Indiana, Pennsylvania 15705. jftaylor @ iup. edu; https: // orcid. org / 0000 - 0003 - 0162 - 0087 & U. S. Geological Survey, MS 926 A, National Center, Reston, Virginia 20192. jrepetski @ usgs. gov; https: // orcid. org / 0000 - 0002 - 2298 - 7120 & Department of Geography, Geology, Environment and Planning, Indiana University of Pennsylvania, Indiana, Pennsylvania 15705. jftaylor @ iup. edu; https: // orcid. org / 0000 - 0003 - 0162 - 0087</mods:affiliation>
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<mods:nameIdentifier id="4152C75838776993AC90427AA7D936B0" type="email">jftaylor@iup.edu</mods:nameIdentifier>
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<mods:title id="18CF45B45F3A48FBCE3C84607861AA44">Zootaxa</mods:title>
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<mods:date id="B9131278694872253DA4D5799F49905C">2024</mods:date>
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<mods:number id="2DF45300115936F09604B3A27EC7BFAE">2024-03-11</mods:number>
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<mods:detail id="CB5B05F125E8888AED228F25A3DCF866" type="volume">
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<mods:number id="D81AA57275F3813FA3584A66137C2A7E">5422</mods:number>
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<mods:number id="94E246E65D3262ADECDF77EDB221FE80">1</mods:number>
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<mods:start id="8FAB472C059BEB97951B4815C8F162FD">1</mods:start>
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<mods:url id="09003C07759C46ABC49F1036C85CC1DA">http://dx.doi.org/10.11646/zootaxa.5422.1.1</mods:url>
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<mods:classification id="999B30D4805EB15A86AEC931C72E1E8E">journal article</mods:classification>
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<mods:identifier id="6B515674BBF8B47B366538E3AF176B37" type="DOI">10.11646/zootaxa.5422.1.1</mods:identifier>
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<mods:identifier id="E338CFD2FFF3DC3F26B142BC89A0859E" type="ISSN">1175-5334</mods:identifier>
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<treatment id="926387DBFF95CA09FF388567FA0D13A6" LSID="urn:lsid:plazi:treatment:926387DBFF95CA09FF388567FA0D13A6" httpUri="http://treatment.plazi.org/id/926387DBFF95CA09FF388567FA0D13A6" lastPageId="35" lastPageNumber="36" pageId="34" pageNumber="35">
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<subSubSection id="52D06546FF95CA08FF388567FD121725" box="[151,643,790,817]" pageId="34" pageNumber="35" type="nomenclature">
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<paragraph id="1A7536CDFF95CA08FF388567FD121725" blockId="34.[151,643,790,853]" box="[151,643,790,817]" pageId="34" pageNumber="35">
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<heading id="413D81A1FF95CA08FF388567FD121725" bold="true" box="[151,643,790,817]" fontSize="11" level="2" pageId="34" pageNumber="35" reason="4">
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<taxonomicName id="DDCA4D4EFF95CA08FF388567FD121725" authority="(Billings, 1860)" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[151,643,790,817]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
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<emphasis id="28BEEADFFF95CA08FF388567FD121725" bold="true" box="[151,643,790,817]" pageId="34" pageNumber="35">
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<emphasis id="28BEEADFFF95CA08FF388567FE501724" bold="true" box="[151,449,791,817]" italics="true" pageId="34" pageNumber="35">Lotagnostus americanus</emphasis>
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(
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<bibRefCitation id="7E5B4B3CFF95CA08FE7F8566FDEA1725" author="Billings, E." box="[464,635,790,816]" pageId="34" pageNumber="35" pagination="301 - 24" refId="ref43454" refString="Billings, E. (1860) On some new species of fossils from the limestone at Point Levi, opposite Quebec. Canadian Naturalist and Geologist, 5, 301 - 24." type="journal article" year="1860">Billings, 1860</bibRefCitation>
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)
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="52D06546FF95CA08FF38854BFC761786" pageId="34" pageNumber="35" type="description">
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<paragraph id="1A7536CDFF95CA08FF38854BFEF11740" blockId="34.[151,643,790,853]" box="[151,352,827,853]" pageId="34" pageNumber="35">
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(
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<figureCitation id="82F12A48FF95CA08FF30854BFF611740" box="[159,240,827,853]" captionStart="PLATE 6" captionStartId="36.[152,238,150,174]" captionText="PLATE 6. Lotagnostus spp. Each white scale bar represents 2mm. 1-3. Lotagnostus americanus (Billings, 1860). Pygidium, GSC 859, holotype, dorsal, posterior oblique, and right lateral views (previously illustrated as Ludvigsen, Westrop, and Kindle, 1989, pl. 1, fig. 15; Westrop et al., 2011, fig. 5A-C.; Peng et al., 2015, fig. 5G-I). 4-10. Lotagnostus aff.L. clarki. 4, 5, 7. Carapace, GSC 134619, dorsal, dorsal, right lateral views (previously illustrated as Westrop et al., 2011, fig.6A-D). 6. Cephalon, NHM It 21180, dorsal view (previously illustrated as Rushton, 2009, fig. 1L). 8. Pygidium, NHM It 21184, dorsal view (previously illustrated as Rushton, 2009, fig. 1M). 9. Cephalon, NHM It 21181, dorsal view (previously illustrated as Rushton, 2009, fig. 1J). 10. Pygidium, NHM It 21185, left lateral view (previously illustrated as Rushton, 2009, fig. 1N). 11-18. Lotagnostus aff. L. rushtoni. 11-12. Cephalon, GSC 70590, dorsal and lateral views, from Gorge Formation, Vermont, (previously illustrated as Ludvigsen, Westrop, & Kindle, 1989, pl. 1, fig. 2). 13-14. Cephalon, GSC 70575, dorsal and lateral views, from Gorge Fm., Vermont, (previously illustrated as Ludvigsen, Westrop, & Kindle, 1989, pl. 1, fig. 5). 15-16. Pygidium, GSC 70582, dorsal and lateral views, from Gorge Fm., Vermont, (previously illustrated as Ludvigsen, Westrop, & Kindle, 1989, pl. 1, fig. 8). 17-18. Pygidium, GSC 142849, dorsal and posterior views, from Cow Head Group, Green Point, Newfoundland, Canada, x8.4." pageId="34" pageNumber="35">Plate 6</figureCitation>
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, figs 1–3)
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</paragraph>
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<paragraph id="1A7536CDFF95CA08FF38850BFC761786" blockId="34.[151,1437,891,1283]" box="[151,999,891,915]" pageId="34" pageNumber="35">
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1860
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<taxonomicName id="DDCA4D4EFF95CA08FF7F850BFE381786" authorityName="Billings" authorityYear="1860" box="[208,425,891,915]" class="Trilobita" family="Agnostidae" genus="Agnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
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<emphasis id="28BEEADFFF95CA08FF7F850BFE381786" box="[208,425,891,915]" italics="true" pageId="34" pageNumber="35">Agnostus americanus</emphasis>
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</taxonomicName>
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; Billings, p. 303, fig. 1a only [fig. 1b =
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<emphasis id="28BEEADFFF95CA08FCEF850CFCC41786" box="[832,853,892,915]" italics="true" pageId="34" pageNumber="35">L.</emphasis>
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aff.
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<taxonomicName id="DDCA4D4EFF95CA08FC2C850CFC481786" authorityName="Taylor & Loch & Repetski" authorityYear="2024" box="[899,985,891,915]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="clarki">
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<emphasis id="28BEEADFFF95CA08FC2C850CFC481786" box="[899,985,891,915]" italics="true" pageId="34" pageNumber="35">L. clarki</emphasis>
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</taxonomicName>
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].
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</paragraph>
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</subSubSection>
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<subSubSection id="52D06546FF95CA08FF3885EAFBA6107F" pageId="34" pageNumber="35" type="reference_group">
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<paragraph id="1A7536CDFF95CA08FF3885EAFB2117A4" blockId="34.[151,1437,891,1283]" box="[151,1200,922,946]" pageId="34" pageNumber="35">
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1865
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<taxonomicName id="DDCA4D4EFF95CA08FF7F85EAFDD217A7" authority="Billings, 1860" authorityName="Billings" authorityYear="1860" box="[208,579,922,946]" class="Trilobita" family="Agnostidae" genus="Agnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
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<emphasis id="28BEEADFFF95CA08FF7F85EAFE3817A4" box="[208,425,922,945]" italics="true" pageId="34" pageNumber="35">Agnostus americanus</emphasis>
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<bibRefCitation id="7E5B4B3CFF95CA08FE1F85EAFDD217A7" author="Billings, E." box="[432,579,922,946]" pageId="34" pageNumber="35" pagination="301 - 24" refId="ref43454" refString="Billings, E. (1860) On some new species of fossils from the limestone at Point Levi, opposite Quebec. Canadian Naturalist and Geologist, 5, 301 - 24." type="journal article" year="1860">Billings, 1860</bibRefCitation>
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</taxonomicName>
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; Billings, p. 395, fig. 372a only [fig. 372b =
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<emphasis id="28BEEADFFF95CA08FBA785EBFB8F17A7" box="[1032,1054,923,946]" italics="true" pageId="34" pageNumber="35">L.</emphasis>
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aff.
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<taxonomicName id="DDCA4D4EFF95CA08FBE385EBFB3017A7" authorityName="Taylor & Loch & Repetski" authorityYear="2024" box="[1100,1185,922,946]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="clarki">
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<emphasis id="28BEEADFFF95CA08FBE385EBFB3017A7" box="[1100,1185,922,946]" italics="true" pageId="34" pageNumber="35">L. clarki</emphasis>
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</taxonomicName>
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].
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</paragraph>
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<paragraph id="1A7536CDFF95CA08FF3885C9FB3317C5" blockId="34.[151,1437,891,1283]" box="[151,1186,952,977]" pageId="34" pageNumber="35">
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1944
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<taxonomicName id="DDCA4D4EFF95CA08FF7F85C9FDD217C5" authority="Billings, 1860" authorityName="Billings" authorityYear="1860" box="[208,579,952,976]" class="Trilobita" family="Agnostidae" genus="Agnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
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<emphasis id="28BEEADFFF95CA08FF7F85C9FE3817C5" box="[208,425,953,976]" italics="true" pageId="34" pageNumber="35">Agnostus americanus</emphasis>
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<bibRefCitation id="7E5B4B3CFF95CA08FE1F85C8FDD217C5" author="Billings, E." box="[432,579,952,976]" pageId="34" pageNumber="35" pagination="301 - 24" refId="ref43454" refString="Billings, E. (1860) On some new species of fossils from the limestone at Point Levi, opposite Quebec. Canadian Naturalist and Geologist, 5, 301 - 24." type="journal article" year="1860">Billings, 1860</bibRefCitation>
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</taxonomicName>
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; Rasetti, p. 233, pl. 36, fig. 2 only [fig. 1 =
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<emphasis id="28BEEADFFF95CA08FC5585C9FB9E17C5" box="[1018,1039,953,976]" italics="true" pageId="34" pageNumber="35">L.</emphasis>
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aff.
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<taxonomicName id="DDCA4D4EFF95CA08FB9285C9FB0217C5" authorityName="Taylor & Loch & Repetski" authorityYear="2024" box="[1085,1171,952,976]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="clarki">
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<emphasis id="28BEEADFFF95CA08FB9285C9FB0217C5" box="[1085,1171,952,976]" italics="true" pageId="34" pageNumber="35">L. clarki</emphasis>
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</taxonomicName>
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].
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</paragraph>
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<paragraph id="1A7536CDFF95CA08FF3885A7FDA7101B" blockId="34.[151,1437,891,1283]" pageId="34" pageNumber="35">
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1989
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<taxonomicName id="DDCA4D4EFF95CA08FF7F85A8FDE017FA" authority="(Billings, 1860)" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[208,625,983,1007]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
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<emphasis id="28BEEADFFF95CA08FF7F85A8FE5917FA" box="[208,456,984,1007]" italics="true" pageId="34" pageNumber="35">Lotagnostus americanus</emphasis>
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(
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<bibRefCitation id="7E5B4B3CFF95CA08FE7A85A7FDFB17FA" author="Billings, E." box="[469,618,983,1007]" pageId="34" pageNumber="35" pagination="301 - 24" refId="ref43454" refString="Billings, E. (1860) On some new species of fossils from the limestone at Point Levi, opposite Quebec. Canadian Naturalist and Geologist, 5, 301 - 24." type="journal article" year="1860">Billings, 1860</bibRefCitation>
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|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
; Ludvigsen & Westrop
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FCCF85A8FCE517FA" box="[864,884,984,1007]" italics="true" pageId="34" pageNumber="35">in</emphasis>
|
|||
|
|
Ludvigsen
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FC4485A8FB8F17FA" box="[1003,1054,983,1007]" italics="true" pageId="34" pageNumber="35">et al.</emphasis>
|
|||
|
|
, p. 12, pl. 1, fig. 15, only [fig. 16 =
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FA2785A8FA0C17FA" box="[1416,1437,984,1007]" italics="true" pageId="34" pageNumber="35">L.</emphasis>
|
|||
|
|
aff.
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FF5F8587FED4101B" authorityName="Taylor & Loch & Repetski" authorityYear="2024" box="[240,325,1014,1038]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="clarki">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF5F8587FED4101B" box="[240,325,1014,1038]" italics="true" pageId="34" pageNumber="35">L. clarki</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, fig. 17 =
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FE008587FE55101B" box="[431,452,1015,1038]" italics="true" pageId="34" pageNumber="35">L.</emphasis>
|
|||
|
|
sp. indet.].
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="1A7536CDFF95CA08FF388265FB1B1039" blockId="34.[151,1437,891,1283]" box="[151,1162,1044,1069]" pageId="34" pageNumber="35">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF388265FF2C1039" box="[151,189,1045,1068]" italics="true" pageId="34" pageNumber="35">non</emphasis>
|
|||
|
|
1995
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FF528265FD0F1039" authority="(Billings, 1860)" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[253,670,1044,1068]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF528265FE641039" box="[253,501,1045,1068]" italics="true" pageId="34" pageNumber="35">Lotagnostus americanus</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation id="7E5B4B3CFF95CA08FDAD8264FD091039" author="Billings, E." box="[514,664,1044,1068]" pageId="34" pageNumber="35" pagination="301 - 24" refId="ref43454" refString="Billings, E. (1860) On some new species of fossils from the limestone at Point Levi, opposite Quebec. Canadian Naturalist and Geologist, 5, 301 - 24." type="journal article" year="1860">Billings, 1860</bibRefCitation>
|
|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
; Westrop, p. 15, pl. 1, figs 17–20 [=
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FBA48265FBB11039" box="[1035,1056,1045,1068]" italics="true" pageId="34" pageNumber="35">L.</emphasis>
|
|||
|
|
sp. indet.]
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="1A7536CDFF95CA08FF388243FADE105E" blockId="34.[151,1437,891,1283]" box="[151,1359,1075,1100]" pageId="34" pageNumber="35">
|
|||
|
|
2005
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FF7F8244FDE3105E" authority="(Billings, 1860)" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[208,626,1075,1099]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF7F8244FE59105E" box="[208,456,1076,1099]" italics="true" pageId="34" pageNumber="35">Lotagnostus americanus</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation id="7E5B4B3CFF95CA08FE798243FDFA105E" author="Billings, E." box="[470,619,1075,1099]" pageId="34" pageNumber="35" pagination="301 - 24" refId="ref43454" refString="Billings, E. (1860) On some new species of fossils from the limestone at Point Levi, opposite Quebec. Canadian Naturalist and Geologist, 5, 301 - 24." type="journal article" year="1860">Billings, 1860</bibRefCitation>
|
|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
; Peng & Babcock, p. 110–113, figs 2.2, 2.4 only [2.3 =
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FB088244FB2D105E" box="[1191,1212,1076,1099]" italics="true" pageId="34" pageNumber="35">L.</emphasis>
|
|||
|
|
aff.
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FB458244FAD1105E" authorityName="Taylor & Loch & Repetski" authorityYear="2024" box="[1258,1344,1075,1099]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="clarki">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FB458244FAD1105E" box="[1258,1344,1075,1099]" italics="true" pageId="34" pageNumber="35">L. clarki</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
].
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="1A7536CDFF95CA08FF388223FBA6107F" blockId="34.[151,1437,891,1283]" box="[151,1079,1106,1130]" pageId="34" pageNumber="35">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF388223FF2C107F" box="[151,189,1107,1130]" italics="true" pageId="34" pageNumber="35">non</emphasis>
|
|||
|
|
2008
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FF528223FD0F107F" authority="(Billings, 1860)" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[253,670,1106,1130]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF528223FE64107C" box="[253,501,1106,1130]" italics="true" pageId="34" pageNumber="35">Lotagnostus americanus</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation id="7E5B4B3CFF95CA08FDAD8222FD09107F" author="Billings, E." box="[514,664,1106,1130]" pageId="34" pageNumber="35" pagination="301 - 24" refId="ref43454" refString="Billings, E. (1860) On some new species of fossils from the limestone at Point Levi, opposite Quebec. Canadian Naturalist and Geologist, 5, 301 - 24." type="journal article" year="1860">Billings, 1860</bibRefCitation>
|
|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
; Lazarenko
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FCB58223FCC2107F" box="[794,851,1106,1130]" italics="true" pageId="34" pageNumber="35">et al.,</emphasis>
|
|||
|
|
pl. 23, figs 1, 2, 5, 5a.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection id="52D06546FF95CA08FF388201FBA9109C" box="[151,1080,1136,1161]" pageId="34" pageNumber="35" type="description">
|
|||
|
|
<paragraph id="1A7536CDFF95CA08FF388201FBA9109C" blockId="34.[151,1437,891,1283]" box="[151,1080,1136,1161]" pageId="34" pageNumber="35">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF388201FF2C109D" box="[151,189,1137,1160]" italics="true" pageId="34" pageNumber="35">non</emphasis>
|
|||
|
|
2009
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FF528201FC8A109D" authority="(Billings, 1860)" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[253,795,1136,1160]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="subSpecies" species="americanus" subSpecies="americanus">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF528201FDE0109D" box="[253,625,1137,1160]" italics="true" pageId="34" pageNumber="35">Lotagnostus americanus americanus</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation id="7E5B4B3CFF95CA08FDD08200FC85109D" author="Billings, E." box="[639,788,1136,1160]" pageId="34" pageNumber="35" pagination="301 - 24" refId="ref43454" refString="Billings, E. (1860) On some new species of fossils from the limestone at Point Levi, opposite Quebec. Canadian Naturalist and Geologist, 5, 301 - 24." type="journal article" year="1860">Billings, 1860</bibRefCitation>
|
|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
; Rushton, p. 276, fig. 1J–O.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection id="52D06546FF95CA08FF3882FFFEBD1116" pageId="34" pageNumber="35" type="reference_group">
|
|||
|
|
<paragraph id="1A7536CDFF95CA08FF3882FFFC5610D3" blockId="34.[151,1437,891,1283]" pageId="34" pageNumber="35">
|
|||
|
|
2011
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FF6082E0FDE010B2" authority="(Billings, 1860)" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[207,625,1167,1191]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF6082E0FE5610B2" box="[207,455,1168,1191]" italics="true" pageId="34" pageNumber="35">Lotagnostus americanus</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation id="7E5B4B3CFF95CA08FE7A82FFFDFB10B2" author="Billings, E." box="[469,618,1167,1191]" pageId="34" pageNumber="35" pagination="301 - 24" refId="ref43454" refString="Billings, E. (1860) On some new species of fossils from the limestone at Point Levi, opposite Quebec. Canadian Naturalist and Geologist, 5, 301 - 24." type="journal article" year="1860">Billings, 1860</bibRefCitation>
|
|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
; Westrop
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FD7A82E0FC9810B2" box="[725,777,1167,1191]" italics="true" pageId="34" pageNumber="35">et al.</emphasis>
|
|||
|
|
, p. 578–584, fig. 5A–C only [figs. 5D-G, 6 =
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FB7382E0FB6010B2" box="[1244,1265,1168,1191]" italics="true" pageId="34" pageNumber="35">L.</emphasis>
|
|||
|
|
cf.
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FAB882E0FAFD10B2" authorityName="Taylor & Loch & Repetski" authorityYear="2024" box="[1303,1388,1167,1191]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="clarki">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FAB882E0FAFD10B2" box="[1303,1388,1167,1191]" italics="true" pageId="34" pageNumber="35">L. clarki</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
].
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF3882DFFF2C10D3" box="[151,189,1199,1222]" italics="true" pageId="34" pageNumber="35">non</emphasis>
|
|||
|
|
2012
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FF5282DFFD0F10D3" authority="(Billings, 1860)" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[253,670,1198,1222]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF5282DFFE6410D0" box="[253,501,1198,1222]" italics="true" pageId="34" pageNumber="35">Lotagnostus americanus</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation id="7E5B4B3CFF95CA08FDAD82DEFD0910D3" author="Billings, E." box="[514,664,1198,1222]" pageId="34" pageNumber="35" pagination="301 - 24" refId="ref43454" refString="Billings, E. (1860) On some new species of fossils from the limestone at Point Levi, opposite Quebec. Canadian Naturalist and Geologist, 5, 301 - 24." type="journal article" year="1860">Billings, 1860</bibRefCitation>
|
|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
; Ahlberg & Terfelt, fig. 4a–f.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="1A7536CDFF95CA08FF3882BCFEBD1116" blockId="34.[151,1437,891,1283]" pageId="34" pageNumber="35">
|
|||
|
|
2015
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FF7E82BDFDE410F1" authority="(Billings, 1860)" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[209,629,1228,1252]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF7E82BDFE5B10F1" box="[209,458,1229,1252]" italics="true" pageId="34" pageNumber="35">Lotagnostus americanus</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation id="7E5B4B3CFF95CA08FE7782BCFDFF10F1" author="Billings, E." box="[472,622,1228,1252]" pageId="34" pageNumber="35" pagination="301 - 24" refId="ref43454" refString="Billings, E. (1860) On some new species of fossils from the limestone at Point Levi, opposite Quebec. Canadian Naturalist and Geologist, 5, 301 - 24." type="journal article" year="1860">Billings, 1860</bibRefCitation>
|
|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
; Peng, Babcock, Zhu, Ahlberg, Terfelt, & Dai, fig. 5H–J only [fig. 5G =
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FAF082BDFAE510F1" box="[1375,1396,1229,1252]" italics="true" pageId="34" pageNumber="35">L.</emphasis>
|
|||
|
|
aff.
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FF68829CFE8C1116" authorityName="Taylor & Loch & Repetski" authorityYear="2024" box="[199,285,1259,1283]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="clarki">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF68829CFE8C1116" box="[199,285,1259,1283]" italics="true" pageId="34" pageNumber="35">L. clarki</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
].
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection id="52D06546FF95CA09FF388341FA0D13A6" lastPageId="35" lastPageNumber="36" pageId="34" pageNumber="35" type="discussion">
|
|||
|
|
<paragraph id="1A7536CDFF95CA08FF388341FA0C13BA" blockId="34.[151,1437,1329,2040]" pageId="34" pageNumber="35">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FF388341FE8D115E" bold="true" box="[151,284,1329,1355]" pageId="34" pageNumber="35">Discussion.</emphasis>
|
|||
|
|
<bibRefCitation id="7E5B4B3CFF95CA08FE888341FE4B115E" author="Rushton, A. W. A." box="[295,474,1329,1355]" pageId="34" pageNumber="35" pagination="273 - 279" refId="ref48253" refString="Rushton, A. W. A. (2009) Revision of the Furongian agnostoid Lotagnostus trisectus (Salter). Memoirs of the Association of Australasian Paleontologists, 37, 273 - 279." type="journal article" year="2009">Rushton (2009)</bibRefCitation>
|
|||
|
|
discussed the selection of Billings’ (1860) pygidium as the
|
|||
|
|
<typeStatus id="C571886FFF95CA08FB328341FA92115E" box="[1181,1283,1329,1355]" pageId="34" pageNumber="35" type="holotype">holotype</typeStatus>
|
|||
|
|
. Only
|
|||
|
|
<specimenCount id="0CCCFD44FF95CA08FAFC8341FE9D117A" count="11" pageId="34" pageNumber="35" type="generic">eleven specimens</specimenCount>
|
|||
|
|
identified as
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FE0A8326FDD7117A" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[421,582,1366,1391]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FE0A8326FDD7117A" box="[421,582,1366,1391]" italics="true" pageId="34" pageNumber="35">L. americanus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
from the Lévis Formation have been illustrated: the
|
|||
|
|
<typeStatus id="C571886FFF95CA08FB378325FB6B117A" box="[1176,1274,1365,1391]" pageId="34" pageNumber="35" type="holotype">holotype</typeStatus>
|
|||
|
|
and two other pygidia, six cephala, and one enrolled skeleton. All but three of the
|
|||
|
|
<specimenCount id="0CCCFD44FF95CA08FC1A8309FBEF1186" box="[949,1150,1401,1427]" count="11" pageId="34" pageNumber="35" type="generic">eleven specimens</specimenCount>
|
|||
|
|
came from one boulder, designated Boulder 37 by
|
|||
|
|
<bibRefCitation id="7E5B4B3CFF95CA08FE1283EDFDCE11A2" author="Rasetti, F." box="[445,607,1437,1463]" pageId="34" pageNumber="35" pagination="229 - 258" refId="ref47976" refString="Rasetti, F. (1944) Upper Cambrian trilobites from the Levis Conglomerate. Journal of Paleontology, 18, 229 - 258." type="journal article" year="1944">Rasetti (1944)</bibRefCitation>
|
|||
|
|
. Unfortunately, those
|
|||
|
|
<specimenCount id="0CCCFD44FF95CA08FCF983EDFB9B11A2" box="[854,1034,1437,1463]" count="3" pageId="34" pageNumber="35" type="generic">three specimens</specimenCount>
|
|||
|
|
are the
|
|||
|
|
<typeStatus id="C571886FFF95CA08FBCC83EDFB5411A2" box="[1123,1221,1437,1463]" pageId="34" pageNumber="35" type="holotype">holotype</typeStatus>
|
|||
|
|
(
|
|||
|
|
<figureCitation id="82F12A48FF95CA08FB7C83EDFAF411A2" box="[1235,1381,1437,1463]" captionStart="PLATE 6" captionStartId="36.[152,238,150,174]" captionText="PLATE 6. Lotagnostus spp. Each white scale bar represents 2mm. 1-3. Lotagnostus americanus (Billings, 1860). Pygidium, GSC 859, holotype, dorsal, posterior oblique, and right lateral views (previously illustrated as Ludvigsen, Westrop, and Kindle, 1989, pl. 1, fig. 15; Westrop et al., 2011, fig. 5A-C.; Peng et al., 2015, fig. 5G-I). 4-10. Lotagnostus aff.L. clarki. 4, 5, 7. Carapace, GSC 134619, dorsal, dorsal, right lateral views (previously illustrated as Westrop et al., 2011, fig.6A-D). 6. Cephalon, NHM It 21180, dorsal view (previously illustrated as Rushton, 2009, fig. 1L). 8. Pygidium, NHM It 21184, dorsal view (previously illustrated as Rushton, 2009, fig. 1M). 9. Cephalon, NHM It 21181, dorsal view (previously illustrated as Rushton, 2009, fig. 1J). 10. Pygidium, NHM It 21185, left lateral view (previously illustrated as Rushton, 2009, fig. 1N). 11-18. Lotagnostus aff. L. rushtoni. 11-12. Cephalon, GSC 70590, dorsal and lateral views, from Gorge Formation, Vermont, (previously illustrated as Ludvigsen, Westrop, & Kindle, 1989, pl. 1, fig. 2). 13-14. Cephalon, GSC 70575, dorsal and lateral views, from Gorge Fm., Vermont, (previously illustrated as Ludvigsen, Westrop, & Kindle, 1989, pl. 1, fig. 5). 15-16. Pygidium, GSC 70582, dorsal and lateral views, from Gorge Fm., Vermont, (previously illustrated as Ludvigsen, Westrop, & Kindle, 1989, pl. 1, fig. 8). 17-18. Pygidium, GSC 142849, dorsal and posterior views, from Cow Head Group, Green Point, Newfoundland, Canada, x8.4." pageId="34" pageNumber="35">Plate 6.1-6.3</figureCitation>
|
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) and two
|
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<typeStatus id="C571886FFF95CA08FF6583B2FEBD11C9" box="[202,300,1474,1500]" pageId="34" pageNumber="35" type="topotype">topotype</typeStatus>
|
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|
|
cephala. They came from elsewhere in the Lévis Formation and, in describing the species,
|
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<bibRefCitation id="7E5B4B3CFF95CA08FAEC83B1FF7311EA" author="Billings, E." pageId="34" pageNumber="35" pagination="301 - 24" refId="ref43454" refString="Billings, E. (1860) On some new species of fossils from the limestone at Point Levi, opposite Quebec. Canadian Naturalist and Geologist, 5, 301 - 24." type="journal article" year="1860">Billings (1860)</bibRefCitation>
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noted that he could not say for certain that the cephala represented the same species as the
|
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<typeStatus id="C571886FFF95CA08FB408395FAC411EA" box="[1263,1365,1509,1535]" pageId="34" pageNumber="35" type="holotype">holotype</typeStatus>
|
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|
. What is even more problematic with respect to the type material for
|
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<taxonomicName id="DDCA4D4EFF95CA08FCF8807AFC691236" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[855,1016,1546,1571]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
|
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<emphasis id="28BEEADFFF95CA08FCF8807AFC691236" box="[855,1016,1546,1571]" italics="true" pageId="34" pageNumber="35">L. americanus</emphasis>
|
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</taxonomicName>
|
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is that none of the pygidia illustrated from Boulder 37 displays the pitted surface texture on the distal areas of the pleural fields, the short scrobiculae on the proximal areas, or the very steep slope of the pitted distal areas that characterize the
|
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<typeStatus id="C571886FFF95CA08FB278021FB7F127E" box="[1160,1262,1617,1643]" pageId="34" pageNumber="35" type="holotype">holotype</typeStatus>
|
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. One pygidium (
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<bibRefCitation id="7E5B4B3CFF95CA08FF308005FED7129A" author="Rushton, A. W. A." box="[159,326,1653,1679]" pageId="34" pageNumber="35" pagination="273 - 279" refId="ref48253" refString="Rushton, A. W. A. (2009) Revision of the Furongian agnostoid Lotagnostus trisectus (Salter). Memoirs of the Association of Australasian Paleontologists, 37, 273 - 279." type="journal article" year="2009">Rushton, 2009</bibRefCitation>
|
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; fig. 1M) is nearly the same size as the
|
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<typeStatus id="C571886FFF95CA08FD578005FCCC129A" box="[760,861,1653,1679]" pageId="34" pageNumber="35" type="holotype">holotype</typeStatus>
|
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, making it implausible to attribute those differences to ontogenetic variation. In fact, the steep slope of the pitted distal areas of the pleural field gives the
|
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|
<typeStatus id="C571886FFF95CA08FA9580E9FA0D12A6" box="[1338,1436,1689,1715]" pageId="34" pageNumber="35" type="holotype">holotype</typeStatus>
|
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an appearance unlike that of any other pygidium assigned to
|
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<taxonomicName id="DDCA4D4EFF95CA08FCD880CEFB8C12C2" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[887,1053,1726,1751]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
|
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<emphasis id="28BEEADFFF95CA08FCD880CEFB8C12C2" box="[887,1053,1726,1751]" italics="true" pageId="34" pageNumber="35">L. americanus</emphasis>
|
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</taxonomicName>
|
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, with the proximal, scrobiculate part of the pleural field appearing wider (tr.) than the pitted distal portion at the level of F
|
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|
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<quantity id="DD329B28FF95CA08FB0C8091FB4112EE" box="[1187,1232,1761,1787]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" pageId="34" pageNumber="35" unit="in" value="2.0">2 in</quantity>
|
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dorsal view. This can be clearly seen in
|
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<bibRefCitation id="7E5B4B3CFF95CA08FE318176FD3E1335" author="Peng, S. - C. & Babcock, L. E." box="[414,687,1797,1824]" pageId="34" pageNumber="35" pagination="107 - 15" refId="ref47627" refString="Peng, S. - C. & Babcock, L. E. (2005) Two Cambrian agnostoid trilobites, Agnostotes orientalis (Kobayashi, 1935) and Lotagnostus americanus (Billings, 1860): Key species for defining global stages of the Cambrian System. Geosciences Journal, 9, 107 - 15. https: // doi. org / 10.1007 / BF 02910573" type="journal article" year="2005">Peng & Babcock (2005</bibRefCitation>
|
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|
, fig. 2) where the
|
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|
|
<typeStatus id="C571886FFF95CA08FC268175FC7A130A" box="[905,1003,1797,1823]" pageId="34" pageNumber="35" type="holotype">holotype</typeStatus>
|
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|
|
is one of sixteen pygidia included in the collage. On all other pygidia attributed to
|
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|
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<taxonomicName id="DDCA4D4EFF95CA08FD1C815AFCC61356" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[691,855,1834,1859]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
|
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|
|
<emphasis id="28BEEADFFF95CA08FD1C815AFCC61356" box="[691,855,1834,1859]" italics="true" pageId="34" pageNumber="35">L. americanus</emphasis>
|
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|
|
</taxonomicName>
|
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|
|
in that figure, the pitted distal part of the pleural field appears as wide or wider than the scrobiculate inner part at F2. The uniqueness of the
|
|||
|
|
<typeStatus id="C571886FFF95CA08FB14813DFAB11372" box="[1211,1312,1869,1895]" pageId="34" pageNumber="35" type="holotype">holotype</typeStatus>
|
|||
|
|
, combined with the uncertainty of association with the
|
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|
|
<typeStatus id="C571886FFF95CA08FD338102FD6F1399" box="[668,766,1906,1932]" pageId="34" pageNumber="35" type="topotype">topotype</typeStatus>
|
|||
|
|
cephala or any other sclerites from the Lévis Formation, renders it unsuitable as a standard in our opinion and we here restrict
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FC6781E6FB4F13BA" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[968,1246,1942,1967]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FC6781E6FB4F13BA" box="[968,1246,1942,1967]" italics="true" pageId="34" pageNumber="35">Lotagnostus americanus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
to the
|
|||
|
|
<typeStatus id="C571886FFF95CA08FA9C81E5FA0813BA" box="[1331,1433,1941,1967]" pageId="34" pageNumber="35" type="holotype">holotype</typeStatus>
|
|||
|
|
.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="1A7536CDFF95CA09FF6881C9FA0C14C0" blockId="34.[151,1437,1329,2040]" lastBlockId="35.[151,1437,151,213]" lastPageId="35" lastPageNumber="36" pageId="34" pageNumber="35">
|
|||
|
|
The affinities of the remaining
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FDBD81CAFCB313C6" baseAuthorityName="Billings" baseAuthorityYear="1860" box="[530,802,1978,2003]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="americanus">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FDBD81CAFCB313C6" box="[530,802,1978,2003]" italics="true" pageId="34" pageNumber="35">Lotagnostus americanus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
specimens from the Lévis are uncertain.They most closely resemble
|
|||
|
|
<taxonomicName id="DDCA4D4EFF95CA08FEAF81AEFE5E13E2" authority="Taylor & Loch & Repetski, 2024" authorityName="Taylor & Loch & Repetski" authorityYear="2024" box="[256,463,2013,2039]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="clarki" status="sp. nov.">
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FEAF81AEFE5E13E2" box="[256,463,2013,2039]" italics="true" pageId="34" pageNumber="35">Lotagnostus clarki</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
<emphasis id="28BEEADFFF95CA08FE7C81ADFD9E13E2" bold="true" box="[467,527,2013,2039]" pageId="34" pageNumber="35">
|
|||
|
|
<taxonomicNameLabel id="338D57A4FF95CA08FE7C81ADFD9E13E2" box="[467,527,2013,2039]" pageId="34" pageNumber="35" rank="species">n. sp.</taxonomicNameLabel>
|
|||
|
|
</emphasis>
|
|||
|
|
from the Windfall Formation.While the pygidia are indistinguishable from those of
|
|||
|
|
<taxonomicName id="DDCA4D4EFF94CA09FF3886E7FF6314A4" authorityName="Taylor & Loch & Repetski" authorityYear="2024" box="[151,242,151,177]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="clarki">
|
|||
|
|
<emphasis id="28BEEADFFF94CA09FF3886E7FF6314A4" box="[151,242,151,177]" italics="true" pageId="35" pageNumber="36">L.clarki</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, there are noteworthy differences in the shapes and relative proportions of the glabellar lobes in the two species. Therefore,the Lévis specimens are left in open nomenclature here as
|
|||
|
|
<taxonomicName id="DDCA4D4EFF94CA09FCDE86CBFC6B14C1" authorityName="Whitehouse" authorityYear="1936" box="[881,1018,187,212]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="35" pageNumber="36" phylum="Arthropoda" rank="genus">
|
|||
|
|
<emphasis id="28BEEADFFF94CA09FCDE86CBFC6B14C1" box="[881,1018,187,212]" italics="true" pageId="35" pageNumber="36">Lotagnostus</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
aff.
|
|||
|
|
<taxonomicName id="DDCA4D4EFF94CA09FB8A86CBFBEE14C0" authorityName="Taylor & Loch & Repetski" authorityYear="2024" box="[1061,1151,187,213]" class="Trilobita" family="Agnostidae" genus="Lotagnostus" kingdom="Animalia" order="Agnostida" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="clarki">
|
|||
|
|
<emphasis id="28BEEADFFF94CA09FB8A86CBFBEE14C0" box="[1061,1151,187,213]" italics="true" pageId="35" pageNumber="36">L.clarki</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
,which is discussed below.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="1A7536CDFF94CA09FC4581EBFA0D13A6" blockId="35.[1002,1436,1947,1971]" box="[1002,1436,1947,1971]" pageId="35" pageNumber="36">
|
|||
|
|
<emphasis id="28BEEADFFF94CA09FC4581EBFA0D13A6" box="[1002,1436,1947,1971]" italics="true" pageId="35" pageNumber="36">......Plate legend provided on the next page</emphasis>
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
</treatment>
|
|||
|
|
</document>
|