248 lines
25 KiB
XML
248 lines
25 KiB
XML
<document ID-DOI="10.5252/geodiversitas2022v44a33" ID-ISSN="1638-9395" ID-Zenodo-Dep="7477657" ID-ZooBank="urn:lsid:zoobank.org:pub:4DA9802D-9500-4FD8-96F5-F4DD3BBF56A3" approvalRequired="4" approvalRequired_for_taxonomicNames="4" checkinTime="1671650606024" checkinUser="felipe" docAuthor="Unger, Tanja, Hildenbrand, Anne, Stinnesbeck, Wolfgang & Austermann, Gregor" docDate="2022" docId="03DA87B6FF8C4957FF467B2CFA6CFDF1" docLanguage="en" docName="Geodiversitas.44.33.1051-1087.pdf" docOrigin="Geodiversitas 44 (33)" docStyle="DocumentStyle:F830B10FF475E64C1F1601E3B32DDC00.4:Geodiversitas.2018-.journal_article" docStyleId="F830B10FF475E64C1F1601E3B32DDC00" docStyleName="Geodiversitas.2018-.journal_article" docTitle="Acontheus inarmatus Hutchinson 1962" docType="treatment" docVersion="4" lastPageNumber="1076" masterDocId="FFE3FFCEFF97494CFFAA7878FFDCFFC1" masterDocTitle="Biostratigraphy and taxonomy of polymerid trilobites of the Manuels River Formation (Drumian, middle Cambrian), Newfoundland, Canada" masterLastPageNumber="1087" masterPageNumber="1051" pageNumber="1076" updateTime="1671813617762" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Biostratigraphy and taxonomy of polymerid trilobites of the Manuels River Formation (Drumian, middle Cambrian), Newfoundland, Canada</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Unger, Tanja</mods:namePart>
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<mods:affiliation>Institut für Geowissenschaften, Universität Heidelberg, Im Neuenheimer Feld 234, 69120 Heidelberg (Germany) and Institut für Geologie, Mineralogie und Geophysik, Ruhr-Universität Bochum, 44801 Bochum (Germany)</mods:affiliation>
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<mods:nameIdentifier type="email">tanja.unger@ruhr-uni-bochum.de</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Hildenbrand, Anne</mods:namePart>
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<mods:affiliation>Institut für Geowissenschaften, Universität Heidelberg, Im Neuenheimer Feld 234, 69120 Heidelberg (Germany)</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Stinnesbeck, Wolfgang</mods:namePart>
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<mods:affiliation>Institut für Geowissenschaften, Universität Heidelberg, Im Neuenheimer Feld 234, 69120 Heidelberg (Germany)</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Austermann, Gregor</mods:namePart>
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<mods:affiliation>Institut für Geowissenschaften, Universität Heidelberg, Im Neuenheimer Feld 234, 69120 Heidelberg (Germany)</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
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<mods:title>Geodiversitas</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-12-15</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>44</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>33</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1051</mods:start>
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<mods:end>1087</mods:end>
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</mods:extent>
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</mods:part>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.5252/geodiversitas2022v44a33</mods:identifier>
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<mods:identifier type="ISSN">1638-9395</mods:identifier>
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<mods:identifier type="Zenodo-Dep">7477657</mods:identifier>
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<mods:identifier type="ZooBank">urn:lsid:zoobank.org:pub:4DA9802D-9500-4FD8-96F5-F4DD3BBF56A3</mods:identifier>
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</mods:mods>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.7477314" ID-Zenodo-Dep="7477314" LSID="urn:lsid:plazi:treatment:03DA87B6FF8C4957FF467B2CFA6CFDF1" httpUri="http://treatment.plazi.org/id/03DA87B6FF8C4957FF467B2CFA6CFDF1" lastPageNumber="1076" pageId="27" pageNumber="1076">
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<heading box="[236,671,852,879]" level="2" pageId="27" pageNumber="1076">
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<taxonomicName authority="Hutchinson, 1962" authorityName="Hutchinson" authorityYear="1962" box="[236,671,852,879]" class="Trilobita" family="Corynexochidae" genus="Acontheus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Corynexochida" pageId="27" pageNumber="1076" phylum="Arthropoda" rank="species" species="inarmatus">
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<emphasis bold="true" box="[236,464,852,879]" italics="true" pageId="27" pageNumber="1076">Acontheus inarmatus</emphasis>
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<bibRefCitation author="Hutchinson" box="[471,671,853,879]" firstAuthor="Hutchinson" pageId="27" pageNumber="1076" pagination="1 - 156" refId="ref26628" refString="HUTCHINSON R. D. 1962. - Cambrian stratigraphy and trilobite faunas of southeastern Newfoundland. Geological Survey of Canada Bulletin 88 (1): 1 - 156. https: // doi. org / 10.4095 / 123902" type="journal article" year="1962">Hutchinson, 1962</bibRefCitation>
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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 box="[407,500,885,911]" pageId="27" pageNumber="1076" type="description">
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<paragraph blockId="27.[236,671,852,911]" box="[407,500,885,911]" pageId="27" pageNumber="1076">
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(
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<figureCitation box="[416,491,885,911]" captionStart="FIG" captionStartId="28.[131,142,1752,1769]" captionTargetBox="[132,1455,215,1709]" captionTargetId="figure-198@28.[698,1267,774,1336]" captionTargetPageId="28" captionText="FIG. 17. — Acontheus inarmatus Hutchinson, 1962: A, internal cast of a cranidium, faint glabellar furrows preserved, slightly punctuated ornamentation (NFM F-3143 from 16.67 m); B, internal cast of a cranidium, occipital node preserved (NFM F-3211 from 15.63 m); C, internal cast of a cranidium, occipital node preserved (NFM F-3701 from 15.68 m); D, internal cast of a cranidium,slightly punctuated ornamentation (NFM F-3150 from 16.67 m); E, internal cast of a cranidium (NFM F-3167 from 16.67 m); F, internal cast of a cranidium,glabellar furrows on left side of glabella slightly visible (NFM F-3659 from 16.67 m). Scale bars:1 mm." figureDoi="http://doi.org/10.5281/zenodo.7477697" httpUri="https://zenodo.org/record/7477697/files/figure.png" pageId="27" pageNumber="1076">Fig. 17</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection pageId="27" pageNumber="1076" type="reference_group">
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||
<paragraph blockId="27.[132,767,942,966]" box="[132,767,942,966]" pageId="27" pageNumber="1076">
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<treatmentCitationGroup box="[132,767,942,966]" pageId="27" pageNumber="1076">
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<treatmentCitation author="Hutchinson" box="[132,567,942,966]" page="109" pageId="27" pageNumber="1076" year="1962">
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<taxonomicName authority="Hutchinson, 1962: 109" authorityName="Hutchinson" authorityPageNumber="109" authorityYear="1962" box="[132,567,942,966]" class="Trilobita" family="Corynexochidae" genus="Acontheus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Corynexochida" pageId="27" pageNumber="1076" phylum="Arthropoda" rank="species" species="inarmatus">
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<emphasis box="[132,328,942,966]" italics="true" pageId="27" pageNumber="1076">Acontheus inarmatus</emphasis>
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<bibRefCitation author="Hutchinson" box="[334,567,942,966]" firstAuthor="Hutchinson" page="109" pageId="27" pageNumber="1076" pagination="1 - 156" refId="ref26628" refString="HUTCHINSON R. D. 1962. - Cambrian stratigraphy and trilobite faunas of southeastern Newfoundland. Geological Survey of Canada Bulletin 88 (1): 1 - 156. https: // doi. org / 10.4095 / 123902" type="journal article" year="1962">Hutchinson, 1962: 109</bibRefCitation>
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</taxonomicName>
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||
</treatmentCitation>
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, pl. 16, figs 8a, b, 9.
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</treatmentCitationGroup>
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</paragraph>
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<paragraph blockId="27.[132,776,989,1067]" pageId="27" pageNumber="1076">
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<treatmentCitationGroup pageId="27" pageNumber="1076">
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||
<treatmentCitation author="Sdzuy" box="[132,586,989,1014]" page="307" pageId="27" pageNumber="1076" year="2000">
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<taxonomicName authority="Sdzuy, 2000: 307" authorityName="Sdzuy" authorityPageNumber="307" authorityYear="2000" box="[132,586,989,1014]" class="Trilobita" family="Corynexochidae" genus="Acontheus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Corynexochida" pageId="27" pageNumber="1076" phylum="Arthropoda" rank="subSpecies" species="inarmatus" subSpecies="minutus">
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<emphasis box="[132,409,989,1013]" italics="true" pageId="27" pageNumber="1076">Acontheus inarmatus minutus</emphasis>
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<bibRefCitation author="Sdzuy" box="[415,586,989,1014]" firstAuthor="Sdzuy" page="307" pageId="27" pageNumber="1076" pagination="301 - 327" refId="ref30133" refString="SDZUY K. 2000. - Das Kambrium des Frankenwaldes, 3. Lippertsgruner Schichten und ihre Fauna. Senckenbergiana lethaea 79 (2): 301 - 327. https: // doi. org / 10.1007 / bf 03043644" type="journal article" year="2000">Sdzuy, 2000: 307</bibRefCitation>
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</taxonomicName>
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||
</treatmentCitation>
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, pl. 3, figs 1-5 (
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<emphasis italics="true" pageId="27" pageNumber="1076">partim</emphasis>
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). —
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<bibRefCitation author="Geyer" box="[218,334,1016,1040]" firstAuthor="Geyer" pageId="27" pageNumber="1076" pagination="78 - 92" refId="ref25270" refString="GEYER G. 2010. - Cambrian and lowermost Ordovician of the Franconian Forest, in FATKA O. & BUDIL P. (eds), The 15 th Field Conference of the Cambrian Stage Subdivision Working Group, Abstracts and Excursion Guide. Czech Geological Suvey, Prague: 78 - 92." type="proceedings paper" year="2010">Geyer 2010</bibRefCitation>
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: unnamed plate p. 84, fig. 7. —
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<bibRefCitation author="Heuse" etAl="et al." firstAuthor="Heuse" pageId="27" pageNumber="1076" pagination="99 - 170" refId="ref25927" refString="HEUSE T., BLUMENSTENGEL H., ELICKI O., GEYER G., HANSCH W., MALETZ J., SARMIENTO G. N. & WEYER D. 2010. - Biostratigraphy - The faunal province of the southern margin of the Rheic Ocean, in LINNEMANN U. & ROMER R. L. (eds), Pre-Mesozoic Geology of Saxo-Thuringia - From the Cadomian Active Margin to the Variscan Orogen. Schweizerbart, Stuttgart: 99 - 170." type="book chapter" year="2010">
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Heuse
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<emphasis box="[728,776,1016,1040]" italics="true" pageId="27" pageNumber="1076">et al.</emphasis>
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2010
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</bibRefCitation>
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||
: fig. 4.16.
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||
</treatmentCitationGroup>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection pageId="27" pageNumber="1076" type="materials_examined">
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||
<paragraph blockId="27.[131,776,1090,1193]" pageId="27" pageNumber="1076">
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||
<materialsCitation collectionCode="GSC" country="Canada" location="Highland Cove" municipality="Trinity Bay" pageId="27" pageNumber="1076" specimenCode="GSC No. 12053" specimenCount="1" stateProvince="Newfoundland" typeStatus="holotype">
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<typeStatus box="[132,238,1091,1114]" pageId="27" pageNumber="1076">HOLOTYPE</typeStatus>
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. —
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<specimenCount box="[278,371,1090,1114]" pageId="27" pageNumber="1076" type="generic">Specimen</specimenCount>
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no.
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<specimenCode box="[411,571,1090,1114]" pageId="27" pageNumber="1076">GSC No. 12053</specimenCode>
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||
, Geological Survey of Canada, Ottawa, Canada, by original designation, from the Manuels River Formation on the north shore of
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<location LSID="urn:lsid:plazi:treatment:03DA87B6FF8C4957FF467B2CFA6CFDF1:8EAC607BFF8C4957FE5C7C0FFD51FB4E" box="[502,653,1143,1167]" country="Canada" municipality="Trinity Bay" name="Highland Cove" pageId="27" pageNumber="1076" stateProvince="Newfoundland">Highland Cove</location>
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,
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||
<collectingMunicipality box="[661,770,1143,1167]" pageId="27" pageNumber="1076">Trinity Bay</collectingMunicipality>
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,
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<collectingRegion box="[131,281,1169,1193]" pageId="27" pageNumber="1076">Newfoundland</collectingRegion>
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,
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<collectingCountry box="[291,369,1169,1193]" name="Canada" pageId="27" pageNumber="1076">Canada</collectingCountry>
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.
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</materialsCitation>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection pageId="27" pageNumber="1076" type="diagnosis">
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<paragraph blockId="27.[131,775,1217,1294]" pageId="27" pageNumber="1076">DIAGNOSIS. — Glabella expands anteriorly up to three times wider than posterior part; faint glabellar furrows; rounded, inflated fixigenae; rounded genal angle; punctuate exoskeleton.</paragraph>
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</subSubSection>
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<subSubSection pageId="27" pageNumber="1076" type="materials_examined">
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||
<paragraph blockId="27.[131,775,1317,1421]" pageId="27" pageNumber="1076">
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||
MATERIAL EXAMINED. —
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<materialsCitation pageId="27" pageNumber="1076">
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||
14 cranidia of
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<taxonomicName authorityName="Hutchinson" authorityYear="1962" box="[535,732,1317,1341]" class="Trilobita" family="Corynexochidae" genus="Acontheus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Corynexochida" pageId="27" pageNumber="1076" phylum="Arthropoda" rank="species" species="inarmatus">
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<emphasis box="[535,732,1317,1341]" italics="true" pageId="27" pageNumber="1076">Acontheus inarmatus</emphasis>
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</taxonomicName>
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(for
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<collectionCode box="[134,190,1344,1367]" country="Canada" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15126" lsid="urn:lsid:biocol.org:col:15126" name="The Rooms Corporation of Newfoundland and Labrador, Provincial Museum Division" pageId="27" pageNumber="1076" type="Museum">NFM</collectionCode>
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numbers seeAppendix 1). All specimens range between 15.63 and
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<quantity box="[172,253,1370,1394]" metricMagnitude="1" metricUnit="m" metricValue="1.667" pageId="27" pageNumber="1076" unit="m" value="16.67">16.67 m</quantity>
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||
(
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<figureCitation box="[268,322,1370,1395]" captionStart="FIG" captionStartId="5.[132,143,1986,2003]" captionTargetBox="[160,1402,216,1896]" captionTargetId="graphics-15@5.[160,1399,257,1895]" captionTargetPageId="5" captionText="FIG. 2. — Lithology of the type locality of the Manuels River Formation, range chart of the here described species. Agnostid biozones from Hildenbrand et al. (2021) and polymerid biozones from Howell (1925)." figureDoi="http://doi.org/10.5281/zenodo.7477661" httpUri="https://zenodo.org/record/7477661/files/figure.png" pageId="27" pageNumber="1076">Fig. 2</figureCitation>
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) of the Manuels River Formation,
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<typeStatus box="[654,696,1371,1395]" pageId="27" pageNumber="1076">type</typeStatus>
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locality, Conception Bay South, Newfoundland,
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<collectingCountry box="[527,605,1397,1421]" name="Canada" pageId="27" pageNumber="1076">Canada</collectingCountry>
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.
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</materialsCitation>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection pageId="27" pageNumber="1076" type="distribution">
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<paragraph blockId="27.[131,776,1444,1548]" pageId="27" pageNumber="1076">
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||
OCCURRENCE. —
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<taxonomicName authorityName="Hutchinson" authorityYear="1962" box="[314,510,1444,1468]" class="Trilobita" family="Corynexochidae" genus="Acontheus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Corynexochida" pageId="27" pageNumber="1076" phylum="Arthropoda" rank="species" species="inarmatus">
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<emphasis box="[314,510,1444,1468]" italics="true" pageId="27" pageNumber="1076">Acontheus inarmatus</emphasis>
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</taxonomicName>
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is a rare middle Cambrian taxon, reported from southeastern
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<collectingCountry box="[464,541,1471,1495]" name="Canada" pageId="27" pageNumber="1076">Canada</collectingCountry>
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, eastern Newfoundland, in the
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<taxonomicName authority="Zone" authorityName="Zone" box="[196,437,1497,1521]" class="Trilobita" family="Paradoxididae" genus="Paradoxides" kingdom="Animalia" order="Redlichiida" pageId="27" pageNumber="1076" phylum="Arthropoda" rank="species" species="davidis">
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<emphasis box="[196,379,1497,1521]" italics="true" pageId="27" pageNumber="1076">Paradoxides davidis</emphasis>
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Zone
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</taxonomicName>
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(
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<bibRefCitation author="Hutchinson" box="[452,626,1497,1521]" firstAuthor="Hutchinson" pageId="27" pageNumber="1076" pagination="1 - 156" refId="ref26628" refString="HUTCHINSON R. D. 1962. - Cambrian stratigraphy and trilobite faunas of southeastern Newfoundland. Geological Survey of Canada Bulletin 88 (1): 1 - 156. https: // doi. org / 10.4095 / 123902" type="journal article" year="1962">Hutchinson 1962</bibRefCitation>
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). It has further been documented from
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<collectingCountry box="[368,460,1524,1548]" name="Germany" pageId="27" pageNumber="1076">Germany</collectingCountry>
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(
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||
<bibRefCitation author="Sdzuy" box="[474,590,1524,1548]" firstAuthor="Sdzuy" pageId="27" pageNumber="1076" pagination="301 - 327" refId="ref30133" refString="SDZUY K. 2000. - Das Kambrium des Frankenwaldes, 3. Lippertsgruner Schichten und ihre Fauna. Senckenbergiana lethaea 79 (2): 301 - 327. https: // doi. org / 10.1007 / bf 03043644" type="journal article" year="2000">Sdzuy 2000</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="27" pageNumber="1076" type="description">
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||
<paragraph blockId="27.[130,775,1587,1868]" box="[132,277,1587,1613]" pageId="27" pageNumber="1076">DESCRIPTION</paragraph>
|
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<paragraph blockId="27.[130,775,1587,1868]" pageId="27" pageNumber="1076">
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The cranidia range from
|
||
<quantity box="[385,467,1618,1645]" metricMagnitude="-3" metricUnit="m" metricValue="1.4" pageId="27" pageNumber="1076" unit="mm" value="1.4">1.4 mm</quantity>
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||
to
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||
<quantity box="[499,581,1618,1645]" metricMagnitude="-3" metricUnit="m" metricValue="4.1" pageId="27" pageNumber="1076" unit="mm" value="4.1">4.1 mm</quantity>
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||
in width and from
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<quantity box="[130,215,1650,1677]" metricMagnitude="-3" metricUnit="m" metricValue="1.3" pageId="27" pageNumber="1076" unit="mm" value="1.3">1.3 mm</quantity>
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||
to
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<quantity box="[247,332,1650,1677]" metricMagnitude="-3" metricUnit="m" metricValue="3.9" pageId="27" pageNumber="1076" unit="mm" value="3.9">3.9 mm</quantity>
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||
in length. The cranidia are well-preserved as internal casts and moulds. The glabella is more domed than the cheeks and glabellar furrows are faintly preserved in
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<specimenCount pageId="27" pageNumber="1076" type="generic">two specimens</specimenCount>
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||
(
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<collectionCode box="[254,318,1746,1772]" country="Canada" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15126" lsid="urn:lsid:biocol.org:col:15126" name="The Rooms Corporation of Newfoundland and Labrador, Provincial Museum Division" pageId="27" pageNumber="1076" type="Museum">NFM</collectionCode>
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F-3143 and
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<collectionCode box="[452,514,1746,1772]" country="Canada" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15126" lsid="urn:lsid:biocol.org:col:15126" name="The Rooms Corporation of Newfoundland and Labrador, Provincial Museum Division" pageId="27" pageNumber="1076" type="Museum">NFM</collectionCode>
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F-3659). The specimens have a smooth to slightly punctuate surface and none has the exoskeleton preserved.Two specimens bear an occipital node (
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<collectionCode box="[138,202,1842,1868]" country="Canada" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15126" lsid="urn:lsid:biocol.org:col:15126" name="The Rooms Corporation of Newfoundland and Labrador, Provincial Museum Division" pageId="27" pageNumber="1076" type="Museum">NFM</collectionCode>
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F-3211 and
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<collectionCode box="[343,406,1842,1868]" country="Canada" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15126" lsid="urn:lsid:biocol.org:col:15126" name="The Rooms Corporation of Newfoundland and Labrador, Provincial Museum Division" pageId="27" pageNumber="1076" type="Museum">NFM</collectionCode>
|
||
F-3701) and three are pyritized.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="27" pageNumber="1076" type="discussion">
|
||
<paragraph blockId="27.[130,775,1906,2028]" box="[132,232,1906,1932]" pageId="27" pageNumber="1076">REMARKS</paragraph>
|
||
<paragraph blockId="27.[130,775,1906,2028]" lastBlockId="27.[812,1457,215,561]" pageId="27" pageNumber="1076">
|
||
<bibRefCitation author="Sdzuy" box="[132,276,1937,1963]" firstAuthor="Sdzuy" pageId="27" pageNumber="1076" pagination="301 - 327" refId="ref30133" refString="SDZUY K. 2000. - Das Kambrium des Frankenwaldes, 3. Lippertsgruner Schichten und ihre Fauna. Senckenbergiana lethaea 79 (2): 301 - 327. https: // doi. org / 10.1007 / bf 03043644" type="journal article" year="2000">Sdzuy (2000)</bibRefCitation>
|
||
introduced
|
||
<taxonomicName authorityName="Sdzuy" authorityYear="2000" box="[403,708,1937,1963]" class="Trilobita" family="Corynexochidae" genus="Acontheus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Corynexochida" pageId="27" pageNumber="1076" phylum="Arthropoda" rank="subSpecies" species="inarmatus" subSpecies="minutus">
|
||
<emphasis box="[403,708,1937,1963]" italics="true" pageId="27" pageNumber="1076">Acontheus inarmatus minutus</emphasis>
|
||
</taxonomicName>
|
||
based on a smoother exoskeleton than in
|
||
<bibRefCitation author="Hutchinson's" box="[543,775,1969,1995]" firstAuthor="Hutchinson's" pageId="27" pageNumber="1076" pagination="1 - 156" refId="ref26628" refString="HUTCHINSON R. D. 1962. - Cambrian stratigraphy and trilobite faunas of southeastern Newfoundland. Geological Survey of Canada Bulletin 88 (1): 1 - 156. https: // doi. org / 10.4095 / 123902" type="journal article" year="1962">Hutchinson’s (1962)</bibRefCitation>
|
||
specimens and a slightly differing occipital ring.
|
||
<bibRefCitation author="Sdzuy" box="[631,775,2001,2027]" firstAuthor="Sdzuy" pageId="27" pageNumber="1076" pagination="301 - 327" refId="ref30133" refString="SDZUY K. 2000. - Das Kambrium des Frankenwaldes, 3. Lippertsgruner Schichten und ihre Fauna. Senckenbergiana lethaea 79 (2): 301 - 327. https: // doi. org / 10.1007 / bf 03043644" type="journal article" year="2000">Sdzuy (2000)</bibRefCitation>
|
||
acknowledged that these differences in eight cranidia and one pygidium, may have resulted from poor preservation of his specimens. We also refer to these differences as preservational and the result of intraspecific variation and assign
|
||
<taxonomicName authorityName="Sdzuy" authorityYear="2000" class="Trilobita" family="Corynexochidae" genus="Acontheus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Corynexochida" pageId="27" pageNumber="1076" phylum="Arthropoda" rank="subSpecies" species="inarmatus" subSpecies="minutus">
|
||
<emphasis italics="true" pageId="27" pageNumber="1076">Ac. inarmatus minutus</emphasis>
|
||
</taxonomicName>
|
||
as a synonym. The pygidium figured by
|
||
<bibRefCitation author="Sdzuy" box="[814,949,375,401]" firstAuthor="Sdzuy" pageId="27" pageNumber="1076" pagination="301 - 327" refId="ref30133" refString="SDZUY K. 2000. - Das Kambrium des Frankenwaldes, 3. Lippertsgruner Schichten und ihre Fauna. Senckenbergiana lethaea 79 (2): 301 - 327. https: // doi. org / 10.1007 / bf 03043644" type="journal article" year="2000">Sdzuy (2000</bibRefCitation>
|
||
: pl. 3, fig. 6) does not match the characteristics of
|
||
<taxonomicName authorityName="Angelin" authorityYear="1851" box="[844,951,406,432]" class="Trilobita" family="Corynexochidae" genus="Acontheus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Corynexochida" pageId="27" pageNumber="1076" phylum="Arthropoda" rank="genus">
|
||
<emphasis box="[844,951,406,432]" italics="true" pageId="27" pageNumber="1076">Acontheus</emphasis>
|
||
</taxonomicName>
|
||
and is here excluded from the genus.
|
||
<bibRefCitation author="Geyer" firstAuthor="Geyer" pageId="27" pageNumber="1076" pagination="78 - 92" refId="ref25270" refString="GEYER G. 2010. - Cambrian and lowermost Ordovician of the Franconian Forest, in FATKA O. & BUDIL P. (eds), The 15 th Field Conference of the Cambrian Stage Subdivision Working Group, Abstracts and Excursion Guide. Czech Geological Suvey, Prague: 78 - 92." type="proceedings paper" year="2010">Geyer (2010)</bibRefCitation>
|
||
and
|
||
<bibRefCitation author="Heuse" box="[948,1162,438,465]" etAl="et al." firstAuthor="Heuse" pageId="27" pageNumber="1076" pagination="99 - 170" refId="ref25927" refString="HEUSE T., BLUMENSTENGEL H., ELICKI O., GEYER G., HANSCH W., MALETZ J., SARMIENTO G. N. & WEYER D. 2010. - Biostratigraphy - The faunal province of the southern margin of the Rheic Ocean, in LINNEMANN U. & ROMER R. L. (eds), Pre-Mesozoic Geology of Saxo-Thuringia - From the Cadomian Active Margin to the Variscan Orogen. Schweizerbart, Stuttgart: 99 - 170." type="book chapter" year="2010">
|
||
Heuse
|
||
<emphasis box="[1024,1078,438,464]" italics="true" pageId="27" pageNumber="1076">et al.</emphasis>
|
||
(2010)
|
||
</bibRefCitation>
|
||
followed
|
||
<bibRefCitation author="Sdzuy" box="[1276,1424,438,465]" firstAuthor="Sdzuy" pageId="27" pageNumber="1076" pagination="301 - 327" refId="ref30133" refString="SDZUY K. 2000. - Das Kambrium des Frankenwaldes, 3. Lippertsgruner Schichten und ihre Fauna. Senckenbergiana lethaea 79 (2): 301 - 327. https: // doi. org / 10.1007 / bf 03043644" type="journal article" year="2000">Sdzuy (2000)</bibRefCitation>
|
||
in applying the subspecies and illustrated both one of
|
||
<bibRefCitation author="Sdzuy's" firstAuthor="Sdzuy's" pageId="27" pageNumber="1076" pagination="301 - 327" refId="ref30133" refString="SDZUY K. 2000. - Das Kambrium des Frankenwaldes, 3. Lippertsgruner Schichten und ihre Fauna. Senckenbergiana lethaea 79 (2): 301 - 327. https: // doi. org / 10.1007 / bf 03043644" type="journal article" year="2000">Sdzuy’s (2000)</bibRefCitation>
|
||
cranidia. The cranidia show the characteristics of
|
||
<taxonomicName authorityName="Hutchinson" authorityYear="1962" class="Trilobita" family="Corynexochidae" genus="Acontheus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Corynexochida" pageId="27" pageNumber="1076" phylum="Arthropoda" rank="species" species="inarmatus">
|
||
<emphasis italics="true" pageId="27" pageNumber="1076">Ac. inarmatus</emphasis>
|
||
</taxonomicName>
|
||
, so the specimens are here assigned to the species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |