186 lines
22 KiB
XML
186 lines
22 KiB
XML
<document id="E256B5C7B289A703AD2EFDF82694FC5F" ID-DOI="10.11646/zootaxa.4804.1.1" ID-ISSN="1175-5326" ID-Zenodo-Dep="3927094" ID-ZooBank="8C1C1703-9BBC-4B33-8045-78BDD9738F51" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1593672611012" checkinUser="plazi" docAuthor="Westrop, Madison Armstrong Stephen R. & Eoff, Jennifer D." docDate="2020" docId="03F76D37FFA8FFC16BD2E316FB64901D" docLanguage="en" docName="zootaxa.4804.1.1.pdf" docOrigin="Zootaxa 4804 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Blountia Walcott 1916" docType="treatment" docVersion="4" lastPageNumber="10" masterDocId="FFCE154FFFAFFFC86B45E438FF8E9206" masterDocTitle="Systematics of a survivor: the Cambrian kingstoniid trilobite Blountia Walcott, 1916 across the Marjuman-Steptoean (Guzhangian-Paibian) extinction interval in Laurentian North America" masterLastPageNumber="79" masterPageNumber="1" pageNumber="8" updateTime="1698776919363" updateUser="plazi">
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<mods:title id="7E4032085BE7571BCBC6B8106DC3950C">Systematics of a survivor: the Cambrian kingstoniid trilobite Blountia Walcott, 1916 across the Marjuman-Steptoean (Guzhangian-Paibian) extinction interval in Laurentian North America</mods:title>
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<mods:namePart id="C27C075EA92FF9559DB582AE91A9C618">Westrop, Madison Armstrong Stephen R.</mods:namePart>
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<mods:namePart id="95ED932CCC0EAA09FF410A2FF9C266E3">Eoff, Jennifer D.</mods:namePart>
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<mods:title id="6FAFCEC31372F9F64ADFB375234E6629">Zootaxa</mods:title>
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<mods:part id="57F204197173B0EF355D868C37ED948F">
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<mods:date id="BE88A54019C215CF4C887F4D966922DE">2020</mods:date>
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<mods:number id="975EE266DE01806F0A04D5254127ECC6">2020-06-30</mods:number>
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<mods:number id="04A20A8F50647610F48243F13889C648">4804</mods:number>
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<mods:classification id="332164DF36DA328323076743B5DA422B">journal article</mods:classification>
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<mods:identifier id="142B83FBD8C1C015B5F052555983D148" type="DOI">10.11646/zootaxa.4804.1.1</mods:identifier>
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<treatment id="03F76D37FFA8FFC16BD2E316FB64901D" ID-DOI="http://doi.org/10.5281/zenodo.4333493" ID-Zenodo-Dep="4333493" LSID="urn:lsid:plazi:treatment:03F76D37FFA8FFC16BD2E316FB64901D" httpUri="http://treatment.plazi.org/id/03F76D37FFA8FFC16BD2E316FB64901D" lastPageId="9" lastPageNumber="10" pageId="7" pageNumber="8">
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<subSubSection id="C3448FAAFFA8FFCF6BD2E316FD85954E" box="[151,523,1838,1865]" pageId="7" pageNumber="8" type="nomenclature">
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<paragraph id="8BE1DC21FFA8FFCF6BD2E316FD85954E" blockId="7.[151,523,1838,1865]" box="[151,523,1838,1865]" pageId="7" pageNumber="8">
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<heading id="D0A96B4DFFA8FFCF6BD2E316FD85954E" bold="true" box="[151,523,1838,1865]" fontSize="11" level="1" pageId="7" pageNumber="8" reason="1">
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<emphasis id="B92A0033FFA8FFCF6BD2E316FD85954E" bold="true" box="[151,523,1838,1865]" pageId="7" pageNumber="8">
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Genus
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<taxonomicName id="4C5EA7A2FFA8FFCF6BABE316FD85954E" ID-CoL="62HBQ" authority="Walcott, 1916" authorityName="Walcott" authorityYear="1916" box="[238,523,1838,1865]" class="Trilobita" family="Kingstoniidae" genus="Blountia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="7" pageNumber="8" phylum="Arthropoda" rank="genus">
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<emphasis id="B92A0033FFA8FFCF6BABE316FED6954F" bold="true" box="[238,344,1838,1865]" italics="true" pageId="7" pageNumber="8">Blountia</emphasis>
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Walcott, 1916
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</taxonomicName>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3448FAAFFA8FFCF6BD2E34EFEA795B3" pageId="7" pageNumber="8" type="type_taxon">
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<paragraph id="8BE1DC21FFA8FFCF6BD2E34EFEA795B3" blockId="7.[151,1436,1909,2044]" pageId="7" pageNumber="8">
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<materialsCitation id="3B36D67CFFA8FFCF6BD2E34EFEA895B3" location="Nolichucky Formation" pageId="7" pageNumber="8" specimenCount="1" stateProvince="Tennessee" typeStatus="holotype">
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<emphasis id="B92A0033FFA8FFCF6BD2E34EFEA19596" bold="true" box="[151,303,1909,1936]" pageId="7" pageNumber="8">
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<typeStatus id="54E56283FFA8FFCF6BD2E34EFF5C9596" box="[151,210,1910,1936]" pageId="7" pageNumber="8">Type</typeStatus>
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species
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</emphasis>
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.
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<taxonomicName id="4C5EA7A2FFA8FFCF6A04E34EFD239596" authority="Walcott, 1916" authorityName="Walcott" authorityYear="1916" box="[321,685,1910,1936]" class="Trilobita" family="Kingstoniidae" genus="Blountia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="mimula">
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<emphasis id="B92A0033FFA8FFCF6A04E34EFD8E9596" box="[321,512,1910,1936]" italics="true" pageId="7" pageNumber="8">Blountia mimula</emphasis>
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Walcott, 1916
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</taxonomicName>
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, from the
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<location id="8E818AFAFFA8FFCF686FE34EFBBE9596" LSID="urn:lsid:plazi:treatment:03F76D37FFA8FFC16BD2E316FB64901D:8E818AFAFFA8FFCF686FE34EFBBE9596" box="[810,1072,1910,1936]" name="Nolichucky Formation" pageId="7" pageNumber="8" stateProvince="Tennessee">Nolichucky Formation</location>
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, eastern
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<collectingRegion id="499A12C3FFA8FFCF6FDDE34FFA859597" box="[1176,1291,1911,1937]" country="United States of America" name="Tennessee" pageId="7" pageNumber="8">Tennessee</collectingRegion>
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(by original designation)
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3448FAAFFA8FFCF6B82E385FF4E95FA" pageId="7" pageNumber="8" type="diagnosis">
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<paragraph id="8BE1DC21FFA8FFCF6B82E385FF4E95FA" blockId="7.[151,1436,1909,2044]" pageId="7" pageNumber="8">
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<emphasis id="B92A0033FFA8FFCF6B82E385FEB195DE" bold="true" box="[199,319,1981,2008]" pageId="7" pageNumber="8">Diagnosis.</emphasis>
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Strongly convex glabella on cranidium and pygidium with well-defined, flat to concave pygidial bor- der.
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</paragraph>
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</subSubSection>
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<caption id="DF218CA9FFA7FFC06BD2E2F7FCA9955B" ID-DOI="http://doi.org/10.5281/zenodo.3927098" ID-Zenodo-Dep="3927098" httpUri="https://zenodo.org/record/3927098/files/figure.png" pageId="8" pageNumber="9" startId="8.[151,250,1743,1768]" targetBox="[164,1423,184,1714]" targetPageId="8">
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<paragraph id="8BE1DC21FFA7FFC06BD2E2F7FCA9955B" blockId="8.[151,1437,1743,1885]" pageId="8" pageNumber="9">
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<emphasis id="B92A0033FFA7FFC06BD2E2F7FE9D94EE" bold="true" box="[151,275,1743,1768]" pageId="8" pageNumber="9">FIGURE 2.</emphasis>
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Phylogenetic analysis of
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<taxonomicName id="4C5EA7A2FFA7FFC06952E2F7FDE094E1" authorityName="Walcott" authorityYear="1916" box="[535,622,1743,1767]" class="Trilobita" family="Kingstoniidae" genus="Blountia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="8" pageNumber="9" phylum="Arthropoda" rank="genus">
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<emphasis id="B92A0033FFA7FFC06952E2F7FDE094E1" box="[535,622,1743,1767]" italics="true" pageId="8" pageNumber="9">Blountia</emphasis>
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</taxonomicName>
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and related taxa. 1. Strict consensus of six trees of length 30 (CI, 0.50; RI, 0.62; RC, 0.31). Names of species from Steptoean strata are identified by bold font. 2. Optimized character distribution plotted on one of the most parsimonious trees. Only unambiguous transformations (i.e., optimize to the same nodes under the assumptions of ACCTRAN and DELTRAN) are shown; open circles indicate characters that are homoplastic. Numbers above the circles refer to characters and those below identify particular states (Table 2).
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</paragraph>
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</caption>
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<subSubSection id="C3448FAAFFA7FFC16B82E3B2FB64901D" lastPageId="9" lastPageNumber="10" pageId="8" pageNumber="9" type="discussion">
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<paragraph id="8BE1DC21FFA7FFC16B82E3B2FDEA93A9" blockId="8.[151,1436,1930,2030]" lastBlockId="9.[151,1437,153,539]" lastPageId="9" lastPageNumber="10" pageId="8" pageNumber="9">
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<emphasis id="B92A0033FFA7FFC06B82E3B2FEC295A3" bold="true" box="[199,332,1930,1957]" pageId="8" pageNumber="9">Discussion.</emphasis>
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Assignment of
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<taxonomicName id="4C5EA7A2FFA7FFC06941E3B3FDEA95A3" authorityName="Walcott" authorityYear="1916" box="[516,612,1931,1957]" class="Trilobita" family="Kingstoniidae" genus="Blountia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="8" pageNumber="9" phylum="Arthropoda" rank="genus">
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<emphasis id="B92A0033FFA7FFC06941E3B3FDEA95A3" box="[516,612,1931,1957]" italics="true" pageId="8" pageNumber="9">Blountia</emphasis>
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</taxonomicName>
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to
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<taxonomicName id="4C5EA7A2FFA7FFC069CBE3B3FCA095A3" authorityName="Kobayashi" authorityYear="1933" box="[654,814,1931,1957]" class="Trilobita" family="Kingstoniidae" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="8" pageNumber="9" phylum="Arthropoda" rank="family">Kingstoniidae</taxonomicName>
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, rather than
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<taxonomicName id="4C5EA7A2FFA7FFC068FBE3B3FBDD95A3" authorityName="Raymond" authorityYear="1924" box="[958,1107,1931,1957]" class="Trilobita" family="Asaphiscidae" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="8" pageNumber="9" phylum="Arthropoda" rank="family">Asaphiscidae</taxonomicName>
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(e.g.,
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<bibRefCitation id="EFCFA1D0FFA7FFC06FDAE3B3FABF95A3" author="Rasetti, F." box="[1183,1329,1930,1957]" pageId="8" pageNumber="9" pagination="1 - 127" refId="ref23892" refString="Rasetti, F. (1965) Upper Cambrian trilobite faunas of Northeastern Tennessee. Smithsonian Miscellaneous Collections, 148, 1 - 127." type="journal article" year="1965">Rasetti 1965</bibRefCitation>
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), follows
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<bibRefCitation id="EFCFA1D0FFA7FFC06BD2E388FEC995CF" author="Westrop, S. R." box="[151,327,1967,1994]" pageId="8" pageNumber="9" refId="ref24308" refString="Westrop, S. R. (1992) Upper Cambrian (Marjuman-Steptoean) trilobites from the Port au Port Group, western Newfoundland. Journal of Paleontology, 66, 228 - 225. https: // doi. org / 10.1017 / S 0022336000033758" type="book" year="1992">Westrop (1992)</bibRefCitation>
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, who drew attention to the structure of the occipital ring as a synapomorphy of the family.
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<taxonomicName id="4C5EA7A2FFA7FFC06E7FE397FF3B95EB" authorityName="Walcott" authorityYear="1916" class="Trilobita" family="Kingstoniidae" genus="Maryvillia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="8" pageNumber="9" phylum="Arthropoda" rank="genus">
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<emphasis id="B92A0033FFA7FFC06E7FE397FF3B95EB" italics="true" pageId="8" pageNumber="9">Maryvillia</emphasis>
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</taxonomicName>
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has been considered to be a junior synonym of
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<taxonomicName id="4C5EA7A2FFA7FFC0699CE3EBFCB795EB" authorityName="Walcott" authorityYear="1916" box="[729,825,2003,2029]" class="Trilobita" family="Kingstoniidae" genus="Blountia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="8" pageNumber="9" phylum="Arthropoda" rank="genus">
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<emphasis id="B92A0033FFA7FFC0699CE3EBFCB795EB" box="[729,825,2003,2029]" italics="true" pageId="8" pageNumber="9">Blountia</emphasis>
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</taxonomicName>
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by some authors (e.g.,
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<bibRefCitation id="EFCFA1D0FFA7FFC06F00E3ECFB3395EB" author="Pratt, B. R." box="[1093,1213,2003,2030]" pageId="8" pageNumber="9" pagination="1 - 179" refId="ref23771" refString="Pratt, B. R. (1992) Trilobites of the Marjuman and Steptoean stages (Upper Cambrian), Rabbitkettle Formation, southern Mackenzie Mountains, northwest Canada. Palaeontographica Canadiana, 9, 1 - 179" type="journal article" year="1992">Pratt 1992</bibRefCitation>
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, p. 66). However, a phylogenetic analysis (
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<figureCitation id="1365C0A4FFA6FFC16AD3E4A1FE5792B5" box="[406,473,153,179]" captionStart="FIGURE 2" captionStartId="8.[151,250,1743,1768]" captionTargetBox="[164,1423,184,1714]" captionTargetId="figure@8.[164,1423,179,1722]" captionTargetPageId="8" captionText="FIGURE 2. Phylogenetic analysis of Blountia and related taxa. 1. Strict consensus of six trees of length 30 (CI, 0.50; RI, 0.62; RC, 0.31). Names of species from Steptoean strata are identified by bold font. 2. Optimized character distribution plotted on one of the most parsimonious trees. Only unambiguous transformations (i.e., optimize to the same nodes under the assumptions of ACCTRAN and DELTRAN) are shown; open circles indicate characters that are homoplastic. Numbers above the circles refer to characters and those below identify particular states (Table 2)." figureDoi="http://doi.org/10.5281/zenodo.3927098" httpUri="https://zenodo.org/record/3927098/files/figure.png" pageId="9" pageNumber="10">Fig. 2</figureCitation>
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) supports monophyly of both
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<taxonomicName id="4C5EA7A2FFA6FFC16862E4A1FC1392B5" authorityName="Walcott" authorityYear="1916" box="[807,925,153,179]" class="Trilobita" family="Kingstoniidae" genus="Maryvillia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
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||
<emphasis id="B92A0033FFA6FFC16862E4A1FC1392B5" box="[807,925,153,179]" italics="true" pageId="9" pageNumber="10">Maryvillia</emphasis>
|
||
</taxonomicName>
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and
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<taxonomicName id="4C5EA7A2FFA6FFC16894E4A1FBBF92B5" authorityName="Walcott" authorityYear="1916" box="[977,1073,153,179]" class="Trilobita" family="Kingstoniidae" genus="Blountia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
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||
<emphasis id="B92A0033FFA6FFC16894E4A1FBBF92B5" box="[977,1073,153,179]" italics="true" pageId="9" pageNumber="10">Blountia</emphasis>
|
||
</taxonomicName>
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||
.
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||
<taxonomicName id="4C5EA7A2FFA6FFC16F7AE4A1FB3B92B5" authorityName="Walcott" authorityYear="1916" box="[1087,1205,153,179]" class="Trilobita" family="Kingstoniidae" genus="Maryvillia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
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||
<emphasis id="B92A0033FFA6FFC16F7AE4A1FB3B92B5" box="[1087,1205,153,179]" italics="true" pageId="9" pageNumber="10">Maryvillia</emphasis>
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</taxonomicName>
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is relatively effaced, whereas
|
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<taxonomicName id="4C5EA7A2FFA6FFC16BBFE485FED492D1" authorityName="Walcott" authorityYear="1916" box="[250,346,189,215]" class="Trilobita" family="Kingstoniidae" genus="Blountia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B92A0033FFA6FFC16BBFE485FED492D1" box="[250,346,189,215]" italics="true" pageId="9" pageNumber="10">Blountia</emphasis>
|
||
</taxonomicName>
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is strongly furrowed. Only a single unambiguous apomorphic state of
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<taxonomicName id="4C5EA7A2FFA6FFC16F2AE485FB4192D1" authorityName="Walcott" authorityYear="1916" box="[1135,1231,189,215]" class="Trilobita" family="Kingstoniidae" genus="Blountia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
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||
<emphasis id="B92A0033FFA6FFC16F2AE485FB4192D1" box="[1135,1231,189,215]" italics="true" pageId="9" pageNumber="10">Blountia</emphasis>
|
||
</taxonomicName>
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||
, the expression of the pygidial border (character 12, state
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<quantity id="4CA671C4FFA6FFC16911E4D9FD0E92FD" box="[596,640,225,251]" metricMagnitude="-2" metricUnit="m" metricValue="2.54" pageId="9" pageNumber="10" unit="in" value="1.0">1 in</quantity>
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<tableCitation id="C6DCE99AFFA6FFC169C2E4D9FD5292FD" box="[647,732,225,251]" captionStart="TABLE 2" captionStartId="6.[151,239,1560,1584]" captionText="TABLE 2. List of characters used in the phylogenetic analysis (Fig. 2)" pageId="9" pageNumber="10">Table 2</tableCitation>
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||
) emerged from the phylogenetic analysis, and this is the basis for the diagnosis presented above. A more comprehensive analysis of
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<taxonomicName id="4C5EA7A2FFA6FFC168E8E53DFBC49319" authorityName="Kobayashi" authorityYear="1933" box="[941,1098,261,287]" class="Trilobita" family="Kingstoniidae" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="9" pageNumber="10" phylum="Arthropoda" rank="family">Kingstoniidae</taxonomicName>
|
||
may help clarify the status of
|
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<taxonomicName id="4C5EA7A2FFA6FFC16BD2E511FF799345" authorityName="Walcott" authorityYear="1916" box="[151,247,297,323]" class="Trilobita" family="Kingstoniidae" genus="Blountia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B92A0033FFA6FFC16BD2E511FF799345" box="[151,247,297,323]" italics="true" pageId="9" pageNumber="10">Blountia</emphasis>
|
||
</taxonomicName>
|
||
, but this is beyond the scope of our study.
|
||
<taxonomicName id="4C5EA7A2FFA6FFC169AFE511FCEE9345" authorityName="Walcott" authorityYear="1916" box="[746,864,297,323]" class="Trilobita" family="Kingstoniidae" genus="Maryvillia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B92A0033FFA6FFC169AFE511FCEE9345" box="[746,864,297,323]" italics="true" pageId="9" pageNumber="10">Maryvillia</emphasis>
|
||
</taxonomicName>
|
||
is better supported (
|
||
<figureCitation id="1365C0A4FFA6FFC16F08E511FB1D9345" box="[1101,1171,297,323]" captionStart="FIGURE 2" captionStartId="8.[151,250,1743,1768]" captionTargetBox="[164,1423,184,1714]" captionTargetId="figure@8.[164,1423,179,1722]" captionTargetPageId="8" captionText="FIGURE 2. Phylogenetic analysis of Blountia and related taxa. 1. Strict consensus of six trees of length 30 (CI, 0.50; RI, 0.62; RC, 0.31). Names of species from Steptoean strata are identified by bold font. 2. Optimized character distribution plotted on one of the most parsimonious trees. Only unambiguous transformations (i.e., optimize to the same nodes under the assumptions of ACCTRAN and DELTRAN) are shown; open circles indicate characters that are homoplastic. Numbers above the circles refer to characters and those below identify particular states (Table 2)." figureDoi="http://doi.org/10.5281/zenodo.3927098" httpUri="https://zenodo.org/record/3927098/files/figure.png" pageId="9" pageNumber="10">Fig. 2</figureCitation>
|
||
), with synapomorphies including a relatively short (character 1, state 1), evenly tapered glabella with nearly straight sides (character 2, state 2), a concave anterior crandial border (character 6, state 1), and a pygidial axis that extends back beyond the anterior edge of the border (character 13, state 1).
|
||
</paragraph>
|
||
<paragraph id="8BE1DC21FFA6FFC16B82E581FB64901D" blockId="9.[151,1437,153,539]" pageId="9" pageNumber="10">
|
||
Articulated specimens of
|
||
<taxonomicName id="4C5EA7A2FFA6FFC16AACE582FDD393D5" authorityName="Walcott" authorityYear="1916" box="[489,605,441,467]" class="Trilobita" family="Kingstoniidae" genus="Blountia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="mimula">
|
||
<emphasis id="B92A0033FFA6FFC16AACE582FE7493D5" box="[489,506,442,467]" italics="true" pageId="9" pageNumber="10">B</emphasis>
|
||
.
|
||
<emphasis id="B92A0033FFA6FFC1694CE581FDD393D5" box="[521,605,441,467]" italics="true" pageId="9" pageNumber="10">mimula</emphasis>
|
||
</taxonomicName>
|
||
(Pl. 1, figs 1–4) and
|
||
<taxonomicName id="4C5EA7A2FFA6FFC1680AE582FC6193D5" authorityName="Resser" authorityYear="1938" box="[847,1007,441,467]" class="Trilobita" family="Kingstoniidae" genus="Blountia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="bristolensis">
|
||
<emphasis id="B92A0033FFA6FFC1680AE582FCEE93D5" box="[847,864,442,467]" italics="true" pageId="9" pageNumber="10">B</emphasis>
|
||
.
|
||
<emphasis id="B92A0033FFA6FFC1682BE581FC6193D5" box="[878,1007,441,467]" italics="true" pageId="9" pageNumber="10">bristolensis</emphasis>
|
||
</taxonomicName>
|
||
(Pl. 3, figs 3–7) both have seven thoracic segments.
|
||
<bibRefCitation id="EFCFA1D0FFA6FFC16A0DE5E5FE5193F1" author="Rasetti, F." box="[328,479,476,503]" pageId="9" pageNumber="10" pagination="1 - 127" refId="ref23892" refString="Rasetti, F. (1965) Upper Cambrian trilobite faunas of Northeastern Tennessee. Smithsonian Miscellaneous Collections, 148, 1 - 127." type="journal article" year="1965">Rasetti (1965</bibRefCitation>
|
||
, p. 58) reported an articulated exoskeleton of an older, undescribed species of
|
||
<taxonomicName id="4C5EA7A2FFA6FFC16E79E5E5FA1293F1" authorityName="Walcott" authorityYear="1916" box="[1340,1436,477,503]" class="Trilobita" family="Kingstoniidae" genus="Blountia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Ptychopariida" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B92A0033FFA6FFC16E79E5E5FA1293F1" box="[1340,1436,477,503]" italics="true" pageId="9" pageNumber="10">Blountia</emphasis>
|
||
</taxonomicName>
|
||
from the Murphy’s Creek Formation in the Gaspé Peninsula,
|
||
<collectingRegion id="499A12C3FFA6FFC16800E639FC13901D" box="[837,925,513,539]" country="Canada" name="Quebec" pageId="9" pageNumber="10">Quebec</collectingRegion>
|
||
, with nine thoracic segments.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |