490 lines
65 KiB
XML
490 lines
65 KiB
XML
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<mods:title id="7318C02E3EB2CCBB5E832DEFEC2D8979">New and revised species of the aulacopleurid trilobite Maurotarion from the Lower Devonian (Pragian) of Nevada</mods:title>
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<mods:namePart id="42220A839F47B53D78BAA7EE319E74BF">Adrain, Jonathan M.</mods:namePart>
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<treatment id="03EA7231E00229529B8D6BDE5E44020B" ID-DOI="http://doi.org/10.5281/zenodo.6222151" ID-GBIF-Taxon="119623344" ID-Zenodo-Dep="6222151" LSID="urn:lsid:plazi:treatment:03EA7231E00229529B8D6BDE5E44020B" httpUri="http://treatment.plazi.org/id/03EA7231E00229529B8D6BDE5E44020B" lastPageId="4" lastPageNumber="5" pageId="2" pageNumber="3">
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<subSubSection id="C35990ACE00229549B8D6BDE5CCC0087" box="[151,477,1732,1758]" pageId="2" pageNumber="3" type="nomenclature">
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<paragraph id="8BFCC327E00229549B8D6BDE5CCC0087" blockId="2.[151,477,1732,1758]" box="[151,477,1732,1758]" pageId="2" pageNumber="3">
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<heading id="D0B4744BE00229549B8D6BDE5CCC0087" bold="true" box="[151,477,1732,1758]" fontSize="11" level="1" pageId="2" pageNumber="3" reason="1">
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<taxonomicName id="4C43B8A4E00229549B8D6BDE5CCC0087" authority="Alberti, 1969" authorityName="Alberti" authorityYear="1969" box="[151,477,1732,1758]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
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||
<emphasis id="B9371F35E00229549B8D6BDE5CCC0087" bold="true" box="[151,477,1732,1758]" pageId="2" pageNumber="3">
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<emphasis id="B9371F35E00229549B8D6BDE5C220087" bold="true" box="[151,307,1732,1758]" italics="true" pageId="2" pageNumber="3">Maurotarion</emphasis>
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<bibRefCitation id="EFD2BED6E00229549A206BDE5CCC0087" author="Alberti" box="[314,477,1732,1758]" pageId="2" pageNumber="22" refString="Alberti, G. K. B. (1969) Trilobiten des jungeren Siluriums sowie des unter- und Mitteldevons. I. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft, 520, 1 - 692." type="journal article" year="1969">Alberti, 1969</bibRefCitation>
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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="C35990ACE00229549B8D6A135E500139" pageId="2" pageNumber="3" type="reference_group">
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<paragraph id="8BFCC327E00229549B8D6A135CEF0119" blockId="2.[151,861,1801,1889]" pageId="2" pageNumber="3">
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=
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<taxonomicName id="4C43B8A4E00229549BBC6A105F230179" authority="Hawle and Corda, 1847" authorityName="Hawle and Corda" authorityYear="1847" box="[166,562,1801,1825]" class="Trilobita" family="Chrysomelidae" genus="Goniopleura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
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<emphasis id="B9371F35E00229549BBC6A105C3F0178" box="[166,302,1802,1825]" italics="true" pageId="2" pageNumber="3">Goniopleura</emphasis>
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<bibRefCitation id="EFD2BED6E00229549A2F6A135F230179" author="Hawle" box="[309,562,1801,1824]" pageId="2" pageNumber="23" refString="Hawle, I. & Corda, A. J. C. (1847) Prodrom einer Monographie der bohmischen Trilobiten. J. G. Calve, Prague, 176 pp." type="book" year="1847">Hawle and Corda, 1847</bibRefCitation>
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</taxonomicName>
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(preoccupied, not replaced) =
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<emphasis id="B9371F35E00229549BBC6A305C550118" box="[166,324,1834,1857]" italics="true" pageId="2" pageNumber="3">Tricornotarion</emphasis>
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<bibRefCitation id="EFD2BED6E00229549A516A335CEF0119" author="Chatterton" box="[331,510,1833,1856]" pageId="2" pageNumber="22" refString="Chatterton, B. D. E. (1971) Taxonomy and ontogeny of Siluro-Devonian trilobites from near Yass, New South Wales. Palaeontographica Abteilung A, 137, 1 - 108." type="journal article" year="1971">Chatterton, 1971</bibRefCitation>
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</paragraph>
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<paragraph id="8BFCC327E00229549B8D6A535E500139" blockId="2.[151,861,1801,1889]" box="[151,833,1865,1889]" pageId="2" pageNumber="3">
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=
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<taxonomicName id="4C43B8A4E00229549BBC6A505F040139" authority="Pribyl and Vanek, 1981" authorityName="Pribyl and Vanek" authorityYear="1981" box="[166,533,1865,1889]" class="Trilobita" genus="Branisella" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
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<emphasis id="B9371F35E00229549BBC6A505C040138" box="[166,277,1866,1889]" italics="true" pageId="2" pageNumber="3">Branisella</emphasis>
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<bibRefCitation id="EFD2BED6E00229549A066A535F040139" author="Pribyl" box="[284,533,1865,1888]" pageId="2" pageNumber="23" refString="Pribyl, A. & Vanek, J. (1981) Studie zur Morphologie und Phylogenie der familie Otarionidae R. & E. Richter (Trilobita). Palaeontographica Abteilung A, 173, 160 - 208." type="journal article" year="1981">Přibyl and Vanėk, 1981</bibRefCitation>
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</taxonomicName>
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(preoccupied, not replaced)
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C35990ACE00229559B8D6A945F8B07BE" lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3" type="materials_examined">
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||
<paragraph id="8BFCC327E00229549B8D6A945FD601F0" blockId="2.[151,1437,1934,2038]" box="[151,711,1934,1961]" pageId="2" pageNumber="3">
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<emphasis id="B9371F35E00229549B8D6A945C2801F1" bold="true" box="[151,313,1934,1960]" pageId="2" pageNumber="3">
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<typeStatus id="54F87D85E00229549B8D6A945DC501F1" box="[151,212,1934,1960]" pageId="2" pageNumber="3">Type</typeStatus>
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species.
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</emphasis>
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<taxonomicName id="4C43B8A4E00229549A5A6A955FD201F0" authority="Alberti, 1967" authorityName="Alberti" authorityYear="1967" box="[320,707,1935,1961]" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="maura">
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<emphasis id="B9371F35E00229549A5A6A955F0501F1" box="[320,532,1935,1960]" italics="true" pageId="2" pageNumber="3">Harpidella maura</emphasis>
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,
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<bibRefCitation id="EFD2BED6E0022954993E6A955FD201F0" author="Alberti" box="[548,707,1935,1961]" pageId="2" pageNumber="22" refString="Alberti, G. K. B. (1967) Neue obersilurische sowie unter- und mitteldevonische Trilobiten aus marokko, Deutschland und einigen anderen europaischen Gebieten. 2. Senckenbergiana lethaea, 48, 481 - 509." type="journal article" year="1967">Alberti, 1967</bibRefCitation>
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</taxonomicName>
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.
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</paragraph>
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<paragraph id="8BFCC327E00229559BDC6AAF5F8B07BE" blockId="2.[151,1437,1934,2038]" lastBlockId="3.[151,1437,152,1995]" lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3">
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<emphasis id="B9371F35E00229549BDC6AAF5C670196" bold="true" box="[198,374,1973,1999]" pageId="2" pageNumber="3">Other species.</emphasis>
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See
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<bibRefCitation id="EFD2BED6E00229549AB46AAF5E1E0196" author="Adrain" box="[430,783,1973,1999]" pageId="2" pageNumber="22" refString="Adrain, J. M. & Chatterton, B. D. E. (1995 a) The otarionine trilobites Harpidella and Maurotarion, with species from northwestern Canada, the United States, and Australia. Journal of Paleontology, 69, 307 - 326." type="journal article" year="1995" yearSuffix="a">Adrain and Chatterton (1995a</bibRefCitation>
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, p. 318), with the following additions and amendments:
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<taxonomicName id="4C43B8A4E00229549B8D6AC65CB101AC" box="[151,416,2012,2037]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="chrysion" status="sp. nov.">
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<emphasis id="B9371F35E00229549B8D6AC65CB101AC" box="[151,416,2012,2037]" italics="true" pageId="2" pageNumber="3">Maurotarion chrysion</emphasis>
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</taxonomicName>
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<emphasis id="B9371F35E00229549AB36AC65CFC01AF" bold="true" box="[425,493,2012,2038]" pageId="2" pageNumber="3">
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||
<taxonomicNameLabel id="A204A24EE00229549AB36AC65CFC01AF" box="[425,493,2012,2038]" pageId="2" pageNumber="3" rank="species">n. sp.</taxonomicNameLabel>
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||
</emphasis>
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, Pragian, Wenban Limestone, Nevada,
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<collectingCountry id="F35483B7E002295498D66AC6591A01AF" box="[972,1035,2012,2038]" name="United States of America" pageId="2" pageNumber="3">USA</collectingCountry>
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;
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<taxonomicName id="4C43B8A4E00229559F036AC65DC706EB" authority="Nan, 1976" authorityName="Nan" authorityYear="1976" class="Trilobita" family="Aulacopleuridae" genus="Otarion" higherTaxonomySource="GBIF" kingdom="Animalia" lastPageId="3" lastPageNumber="4" order="Proetida" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="dongujumqinensis">
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<emphasis id="B9371F35E00229549F036AC6584B01AC" box="[1049,1370,2012,2037]" italics="true" pageId="2" pageNumber="3">Otarion dongujumqinensis</emphasis>
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<bibRefCitation id="EFD2BED6E00229559E796AC65DC706EB" author="Nan" lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="23" refString="Nan, R. - S. (1976) [Trilobita]. [Palaeontological Atlas of North China. Inner Mongolia Volume. I. Palaeozoic], 333 - 352. (in Chinese)" type="book chapter" year="1976">Nan, 1976</bibRefCitation>
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</taxonomicName>
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, Lower Devonian of Inner
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<collectingCountry id="F35483B7E003295599386D825F8B06EB" box="[546,666,152,178]" name="Mongolia" pageId="3" pageNumber="4">Mongolia</collectingCountry>
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,
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<collectingCountry id="F35483B7E003295599BD6D825FE206EB" box="[679,755,152,178]" name="China" pageId="3" pageNumber="4">China</collectingCountry>
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;
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<taxonomicName id="4C43B8A4E0032955981A6D82599C06EB" authority="M'Coy, 1876" authorityName="M'Coy" authorityYear="1876" box="[768,1165,152,178]" class="Liliopsida" family="Hypoxidaceae" genus="Forbesia" higherTaxonomySource="CoL" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="4" phylum="Tracheophyta" rank="species" species="euryceps">
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<emphasis id="B9371F35E0032955981A6D825EF106E8" box="[768,992,152,177]" italics="true" pageId="3" pageNumber="4">Forbesia euryceps</emphasis>
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M’Coy, 1876
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</taxonomicName>
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, Yan Yean Formation, Ludlow,
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<collectingCountry id="F35483B7E00329559A1A6DA45C7D0681" box="[256,364,190,216]" name="Australia" pageId="3" pageNumber="4">Australia</collectingCountry>
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(see
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||
<bibRefCitation id="EFD2BED6E00329559AB66DA45F630681" author="Sandford" box="[428,626,190,216]" pageId="3" pageNumber="23" refString="Sandford, A. (2000) Trilobite faunas and palaeoenvironmental setting of the Silurian (early Ludlow) Melbourne Formation, central Victoria. Alcheringa, 24, 153 - 206." type="journal article" year="2000">Sandford [2000]</bibRefCitation>
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; =
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<taxonomicName id="4C43B8A4E003295599956DA559120681" authority="Gregory, 1901" authorityName="Gregory" authorityYear="1901" box="[655,1027,190,216]" class="Trilobita" family="Aulacopleuridae" genus="Cyphaspis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="spryi">
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||
<emphasis id="B9371F35E003295599956DA55E5C0681" box="[655,845,191,216]" italics="true" pageId="3" pageNumber="4">Cyphaspis spryi</emphasis>
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||
<bibRefCitation id="EFD2BED6E0032955984F6DA459120681" author="Gregory" box="[853,1027,190,216]" pageId="3" pageNumber="22" refString="Gregory, J. W. (1901) Cyphaspis spryi, a new species of trilobite from the Silurian of Melbourne. Proceedings of the Royal Society of Victoria, N. S. 13, 179 - 182." type="proceedings paper" year="1901">Gregory, 1901</bibRefCitation>
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||
</taxonomicName>
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||
, fide
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||
<bibRefCitation id="EFD2BED6E00329559F5F6DA458770681" author="Sandford" box="[1093,1382,190,216]" pageId="3" pageNumber="23" refString="Sandford, A. (2000) Trilobite faunas and palaeoenvironmental setting of the Silurian (early Ludlow) Melbourne Formation, central Victoria. Alcheringa, 24, 153 - 206." type="journal article" year="2000" yearSuffix="p">Sandford [2000, p. 164]</bibRefCitation>
|
||
);
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||
<taxonomicName id="4C43B8A4E00329559E666DA55DD706A7" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="fooi" status="sp. nov.">
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||
<emphasis id="B9371F35E00329559E666DA55DD706A7" italics="true" pageId="3" pageNumber="4">M. fooi</emphasis>
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||
</taxonomicName>
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||
<emphasis id="B9371F35E00329559BD46DFF5C0306A6" bold="true" box="[206,274,229,255]" pageId="3" pageNumber="4">
|
||
<taxonomicNameLabel id="A204A24EE00329559BD46DFF5C0306A6" box="[206,274,229,255]" pageId="3" pageNumber="4" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, Pragian, Wenban Limestone, Nevada,
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||
<collectingCountry id="F35483B7E003295599F56DFF5E3F06A6" box="[751,814,229,255]" name="United States of America" pageId="3" pageNumber="4">USA</collectingCountry>
|
||
;
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||
<taxonomicName id="4C43B8A4E003295598216DFF59F906A6" authority="Van" authorityName="Van" box="[827,1256,229,255]" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="hecate" subGenus="Harpidella">
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||
<emphasis id="B9371F35E003295598216DFF59A506A7" box="[827,1204,229,254]" italics="true" pageId="3" pageNumber="4">Harpidella (Harpidella) hecate</emphasis>
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||
Van
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</taxonomicName>
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||
ĕk,
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<bibRefCitation id="EFD2BED6E00329559E0D6DFE5C72077F" author="Vokac" pageId="3" pageNumber="23" refString="Vanek, J., Vokac, V. & Horbinger, F. (1992) New trilobites from the Silurian and Devonian in the Prague Basin (Central Bohemia). Vestnik Ust r edniho Ustavu Geologickeho, 67, 97 - 108." type="journal article" year="1992">Vokáč, and Hörbinger, 1992</bibRefCitation>
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||
, Konĕprusy Limestone, Pragian,
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||
<collectingCountry id="F35483B7E003295599E66C165ED3077F" box="[764,962,268,294]" name="Czech Republic" pageId="3" pageNumber="4">Czech Republic</collectingCountry>
|
||
;
|
||
<taxonomicName id="4C43B8A4E003295598D56C165DC90715" authority="Adrain and Edgecombe, 1996" authorityName="Adrain and Edgecombe" authorityYear="1996" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="isaacsoni">
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||
<emphasis id="B9371F35E003295598D56C16597D077C" box="[975,1132,268,293]" italics="true" pageId="3" pageNumber="4">M. isaacsoni</emphasis>
|
||
<bibRefCitation id="EFD2BED6E00329559F6E6C165DC90715" author="Adrain" pageId="3" pageNumber="22" refString="Adrain, J. M. & Edgecombe, G. D. (1996) Devonian aulacopleurid trilobites of the Malvinokaffric Realm. Geobios, 29, 417 - 436." type="journal article" year="1996">Adrain and Edgecombe, 1996</bibRefCitation>
|
||
</taxonomicName>
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||
, Belén Formation, Eifelian,
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||
<collectingCountry id="F35483B7E003295599236C285F890715" box="[569,664,306,332]" name="Bolivia" pageId="3" pageNumber="4">Bolivia</collectingCountry>
|
||
;
|
||
<taxonomicName id="4C43B8A4E003295599BC6C2859A60715" authority="Adrain and Edgecombe, 1996" authorityName="Adrain and Edgecombe" authorityYear="1996" box="[678,1207,306,332]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="legrandi">
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||
<emphasis id="B9371F35E003295599BC6C285E280712" box="[678,825,306,331]" italics="true" pageId="3" pageNumber="4">M. legrandi</emphasis>
|
||
<bibRefCitation id="EFD2BED6E0032955985B6C2859A60715" author="Adrain" box="[833,1207,306,332]" pageId="3" pageNumber="22" refString="Adrain, J. M. & Edgecombe, G. D. (1996) Devonian aulacopleurid trilobites of the Malvinokaffric Realm. Geobios, 29, 417 - 436." type="journal article" year="1996">Adrain and Edgecombe, 1996</bibRefCitation>
|
||
</taxonomicName>
|
||
, Belén Formation, Eifelian,
|
||
<collectingCountry id="F35483B7E00329559A166C435C7C072A" box="[268,365,345,371]" name="Bolivia" pageId="3" pageNumber="4">Bolivia</collectingCountry>
|
||
;
|
||
<taxonomicName id="4C43B8A4E00329559A606C435E1F072A" authority="Hall, 1876" authorityName="Hall" authorityYear="1876" box="[378,782,345,371]" class="Pezizomycetes" family="Sarcoscyphaceae" genus="Phillipsia" kingdom="Fungi" order="Pezizales" pageId="3" pageNumber="4" phylum="Ascomycota" rank="species" species="minuscula">
|
||
<emphasis id="B9371F35E00329559A606C435F6C072B" box="[378,637,345,370]" italics="true" pageId="3" pageNumber="4">Phillipsia minuscula</emphasis>
|
||
<bibRefCitation id="EFD2BED6E0032955999C6C435E1F072A" author="Hall" box="[646,782,345,371]" pageId="3" pageNumber="23" refString="Hall, J. (1876) Illustrations of Devonian fossils. Gastropoda, Pteropoda, Cephalopoda, Crustacea, and corals of the upper Helderberg, Hamilton and Chemung Groups. Albany, New York, 7 pp." type="book" year="1876">Hall, 1876</bibRefCitation>
|
||
</taxonomicName>
|
||
, Schoharie
|
||
<collectingCountry id="F35483B7E003295598B86C435EC9072A" box="[930,984,345,371]" name="Greece" pageId="3" pageNumber="4">Grit</collectingCountry>
|
||
, Emsian, New York State,
|
||
<collectingCountry id="F35483B7E00329559E366C43587C072A" box="[1324,1389,345,371]" name="United States of America" pageId="3" pageNumber="4">USA</collectingCountry>
|
||
;
|
||
<taxonomicName id="4C43B8A4E00329559E616C435F8507C3" authority="Adrain and Edgecombe, 1996" authorityName="Adrain and Edgecombe" authorityYear="1996" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="racheboeufi">
|
||
<emphasis id="B9371F35E00329559E616C435C3407C0" italics="true" pageId="3" pageNumber="4">M. racheboeufi</emphasis>
|
||
<bibRefCitation id="EFD2BED6E00329559A376C9A5F8507C3" author="Adrain" box="[301,660,384,410]" pageId="3" pageNumber="22" refString="Adrain, J. M. & Edgecombe, G. D. (1996) Devonian aulacopleurid trilobites of the Malvinokaffric Realm. Geobios, 29, 417 - 436." type="journal article" year="1996">Adrain and Edgecombe, 1996</bibRefCitation>
|
||
</taxonomicName>
|
||
, Icla Formation, Emsian,
|
||
<collectingCountry id="F35483B7E003295598D06C9A593407C3" box="[970,1061,384,410]" name="Bolivia" pageId="3" pageNumber="4">Bolivia</collectingCountry>
|
||
;
|
||
<taxonomicName id="4C43B8A4E00329559F286C9A5C760799" authority="Chatterton and Ludvigsen, 2004" authorityName="Chatterton and Ludvigsen" authorityYear="2004" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="richardsoni">
|
||
<emphasis id="B9371F35E00329559F286C9A59F507C0" box="[1074,1252,384,409]" italics="true" pageId="3" pageNumber="4">M. richardsoni</emphasis>
|
||
<bibRefCitation id="EFD2BED6E00329559FF66C9A5C760799" author="Chatterton" pageId="3" pageNumber="22" refString="Chatterton, B. D. E. & Ludvigsen, R. (2004) Early Silurian trilobites of Anticosti Island, Quebec, Canada. Palaeontographica Canadiana, 22, 1 - 264." type="journal article" year="2004">Chatterton and Ludvigsen, 2004</bibRefCitation>
|
||
</taxonomicName>
|
||
, Jupiter Formation, Aeronian, Anticosti Island, Quebec,
|
||
<collectingCountry id="F35483B7E00329559F046CBC596C0799" box="[1054,1149,422,448]" name="Canada" pageId="3" pageNumber="4">Canada</collectingCountry>
|
||
;
|
||
<taxonomicName id="4C43B8A4E00329559F906CBD58560799" box="[1162,1351,423,448]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="wenbanense" status="sp. nov.">
|
||
<emphasis id="B9371F35E00329559F906CBD58560799" box="[1162,1351,423,448]" italics="true" pageId="3" pageNumber="4">M. wenbanense</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B9371F35E00329559E556CBC58840799" bold="true" box="[1359,1429,422,448]" pageId="3" pageNumber="4">
|
||
<taxonomicNameLabel id="A204A24EE00329559E556CBC58840799" box="[1359,1429,422,448]" pageId="3" pageNumber="4" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, Pragian, Wenban Limestone, Nevada,
|
||
<collectingCountry id="F35483B7E003295599426CD75F8707BE" box="[600,662,461,487]" name="United States of America" pageId="3" pageNumber="4">USA</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C35990ACE00329559BDC6CEE595703DE" pageId="3" pageNumber="4" type="reference_group">
|
||
<paragraph id="8BFCC327E00329559BDC6CEE5E91046D" blockId="3.[151,1437,152,1995]" pageId="3" pageNumber="4">
|
||
<taxonomicName id="4C43B8A4E00329559BDC6CEE5F090457" authority="Liu, 1982" authorityName="Liu" authorityYear="1982" box="[198,536,500,526]" class="Trilobita" family="Aulacopleuridae" genus="Otarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="pusillus">
|
||
<emphasis id="B9371F35E00329559BDC6CEE5C9C0454" box="[198,397,500,525]" italics="true" pageId="3" pageNumber="4">Otarion pusillus</emphasis>
|
||
<bibRefCitation id="EFD2BED6E00329559A866CEE5F090457" author="Liu" box="[412,536,500,526]" pageId="3" pageNumber="23" refString="Liu, Y. - R. (1982) [Trilobites]. In: [Paleontological Atlas of Hunan]. Geological Memoir 2, vol. 1, Beijing, pp. 290 - 347. (in Chinese)" type="book chapter" year="1982">Liu, 1982</bibRefCitation>
|
||
</taxonomicName>
|
||
, is known from an internal mold of a single incomplete and distorted pygidium. It could possibly represent a species of
|
||
<taxonomicName id="4C43B8A4E003295599F96F005E68046A" box="[739,889,538,563]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E003295599F96F005E68046A" box="[739,889,538,563]" italics="true" pageId="3" pageNumber="4">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BFCC327E00329559BDC6F5B5E3704DB" blockId="3.[151,1437,152,1995]" pageId="3" pageNumber="4">
|
||
<taxonomicName id="4C43B8A4E00329559BDC6F5B5C560403" ID-CoL="62TSQ" box="[198,327,577,602]" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E00329559BDC6F5B5C560403" box="[198,327,577,602]" italics="true" pageId="3" pageNumber="4">Harpidella</emphasis>
|
||
</taxonomicName>
|
||
(s.l.)
|
||
<emphasis id="B9371F35E00329559A806F5B5F360403" box="[410,551,577,602]" italics="true" pageId="3" pageNumber="4">occidentalis</emphasis>
|
||
<bibRefCitation id="EFD2BED6E0032955992C6F5B5FDE0402" author="Owen" box="[566,719,577,603]" pageId="3" pageNumber="23" refString="Owen, A. W. (1981) The Ashgill trilobites of the Oslo region, Norway. Palaeontographica Abteilung A, 175, 1 - 88." type="journal article" year="1981">Owen, 1981</bibRefCitation>
|
||
, was assigned to
|
||
<taxonomicName id="4C43B8A4E003295598AD6F5B595C0403" box="[951,1101,577,602]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E003295598AD6F5B595C0403" box="[951,1101,577,602]" italics="true" pageId="3" pageNumber="4">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
by
|
||
<bibRefCitation id="EFD2BED6E00329559F9D6F5B5DFA04DB" author="Adrain" pageId="3" pageNumber="22" refString="Adrain, J. M. & Chatterton, B. D. E. (1995 a) The otarionine trilobites Harpidella and Maurotarion, with species from northwestern Canada, the United States, and Australia. Journal of Paleontology, 69, 307 - 326." type="journal article" year="1995" yearSuffix="a">Adrain and Chatterton (1995a</bibRefCitation>
|
||
, p. 318), but should be reassigned to
|
||
<taxonomicName id="4C43B8A4E003295599856F725E3104D8" ID-CoL="62TSQ" box="[671,800,616,641]" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E003295599856F725E3104D8" box="[671,800,616,641]" italics="true" pageId="3" pageNumber="4">Harpidella</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BFCC327E00329559BDC6F95588D0496" blockId="3.[151,1437,152,1995]" pageId="3" pageNumber="4">
|
||
<taxonomicName id="4C43B8A4E00329559BDC6F955E1A04F1" authority="Ohern and Maynard, 1913" authorityName="Ohern and Maynard" authorityYear="1913" box="[198,779,654,680]" class="Trilobita" family="Aulacopleuridae" genus="Cyphaspis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="australis">
|
||
<emphasis id="B9371F35E00329559BDC6F955CA504F1" box="[198,436,655,680]" italics="true" pageId="3" pageNumber="4">Cyphaspis australis</emphasis>
|
||
<bibRefCitation id="EFD2BED6E00329559AD86F945E1A04F1" author="Ohern" box="[450,779,654,680]" pageId="3" pageNumber="23" refString="Ohern, D. W. & Maynard, T. P. (1913) Trilobita. In: Schwartz, C. K., Schuchert, C. & Prosser, C. S. (Eds.), Maryland Geological Survey, Lower Devonian. Johns Hopkins Press, Baltimore, pp. 489 - 512." type="book chapter" year="1913">Ohern and Maynard, 1913</bibRefCitation>
|
||
</taxonomicName>
|
||
, from the Lower Devonian of Maryland,
|
||
<collectingCountry id="F35483B7E00329559E006F94584904F1" box="[1306,1368,654,680]" name="United States of America" pageId="3" pageNumber="4">USA</collectingCountry>
|
||
, may possibly represent a species of
|
||
<taxonomicName id="4C43B8A4E003295599186FAF5F890497" box="[514,664,693,718]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E003295599186FAF5F890497" box="[514,664,693,718]" italics="true" pageId="3" pageNumber="4">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
, but is known only from the original line drawing of a cranidium.
|
||
</paragraph>
|
||
<paragraph id="8BFCC327E00329559BDC6FC6595703DE" blockId="3.[151,1437,152,1995]" pageId="3" pageNumber="4">
|
||
<taxonomicName id="4C43B8A4E00329559BDC6FC65EBC04AF" ID-CoL="6LF7B" authority="Clarkson and Howells, 1981" authorityName="Clarkson and Howells" authorityYear="1981" box="[198,941,732,758]" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="thomasi" subGenus="Harpidella">
|
||
<emphasis id="B9371F35E00329559BDC6FC65F5D04AC" box="[198,588,732,757]" italics="true" pageId="3" pageNumber="4">Harpidella (Harpidella) thomasi</emphasis>
|
||
<bibRefCitation id="EFD2BED6E0032955994F6FC65EBC04AF" author="Clarkson" box="[597,941,732,758]" pageId="3" pageNumber="22" refString="Clarkson, E. N. K. & Howells, Y. (1981) Upper Llandovery trilobites from the Pentland Hills, Scotland. Palaeontology, 24, 507 - 536." type="journal article" year="1981">Clarkson and Howells, 1981</bibRefCitation>
|
||
</taxonomicName>
|
||
, was assigned to
|
||
<taxonomicName id="4C43B8A4E00329559F996FC6580804AC" box="[1155,1305,732,757]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E00329559F996FC6580804AC" box="[1155,1305,732,757]" italics="true" pageId="3" pageNumber="4">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
by
|
||
<bibRefCitation id="EFD2BED6E00329559E516FC65CAC0545" author="Adrain" pageId="3" pageNumber="22" refString="Adrain, J. M. & Chatterton, B. D. E. (1995 a) The otarionine trilobites Harpidella and Maurotarion, with species from northwestern Canada, the United States, and Australia. Journal of Paleontology, 69, 307 - 326." type="journal article" year="1995" yearSuffix="a">Adrain and Chatterton (1995a)</bibRefCitation>
|
||
, but its affinities are uncertain. The species is known from a single articulated specimen represented by counterpart molds (
|
||
<bibRefCitation id="EFD2BED6E003295599A36E3359F2051A" author="Clarkson" box="[697,1251,809,835]" pageId="3" pageNumber="22" refString="Clarkson, E. N. K. & Howells, Y. (1981) Upper Llandovery trilobites from the Pentland Hills, Scotland. Palaeontology, 24, 507 - 536." type="journal article" year="1981">Clarkson and Howells, 1981 pl. 79, figs. 1, 2</bibRefCitation>
|
||
).
|
||
<bibRefCitation id="EFD2BED6E00329559FE16E335C490533" author="Clarkson" pageId="3" pageNumber="22" refString="Clarkson, E. N. K. & Howells, Y. (1981) Upper Llandovery trilobites from the Pentland Hills, Scotland. Palaeontology, 24, 507 - 536." type="journal article" year="1981">Clarkson and Howells (1981)</bibRefCitation>
|
||
also assigned an isolated pygidium, but expressed doubt as to whether it belonged. The pygidium is very long, with at least five axial rings, a morphology unknown in
|
||
<taxonomicName id="4C43B8A4E00329559F5F6E6D59CD05C9" box="[1093,1244,887,912]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E00329559F5F6E6D59CD05C9" box="[1093,1244,887,912]" italics="true" pageId="3" pageNumber="4">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
and unusual for an otarionine in general, aside from younger derived species of
|
||
<taxonomicName id="4C43B8A4E0032955989A6E87599305EE" ID-CoL="63GS8" authority="Zenker, 1833" authorityName="Zenker" authorityYear="1833" box="[896,1154,925,951]" class="Trilobita" family="Aulacopleuridae" genus="Otarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E0032955989A6E875ECC05EF" box="[896,989,925,950]" italics="true" pageId="3" pageNumber="4">Otarion</emphasis>
|
||
<bibRefCitation id="EFD2BED6E003295598FE6E87599305EE" author="Zenker" box="[996,1154,925,951]" pageId="3" pageNumber="23" refString="Zenker, J. C. (1833) Beitrage zur Naturgesichte der Urwelt. Organische Reste (Petrefacten) aus der Altenbruger Braunkohlen-Formation dem Blankenburger Quadersandstein, Jenaischen bunten Sandstein und Bohmischen Uebergangsgebirge. Jena, 67 pp." type="book" year="1833">Zenker, 1833</bibRefCitation>
|
||
</taxonomicName>
|
||
. The pygidium possibly represents a proetid, though given the uncertainty of the affinities of
|
||
<taxonomicName id="4C43B8A4E003295598F06EDE595B0584" ID-CoL="6LF7B" box="[1002,1098,964,989]" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="thomasi">
|
||
<emphasis id="B9371F35E003295598F06EDE595B0584" box="[1002,1098,964,989]" italics="true" pageId="3" pageNumber="4">thomasi</emphasis>
|
||
</taxonomicName>
|
||
, assignment to that species cannot be ruled out on present evidence.
|
||
<taxonomicName id="4C43B8A4E003295599966EF05EA0025A" ID-CoL="6LF7B" box="[652,945,1002,1027]" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="thomasi" subGenus="Harpidella">
|
||
<emphasis id="B9371F35E003295599966EF05EA0025A" box="[652,945,1002,1027]" italics="true" pageId="3" pageNumber="4">Harpidella (H.) thomasi</emphasis>
|
||
</taxonomicName>
|
||
resembles species of
|
||
<taxonomicName id="4C43B8A4E00329559FA66EF05846025A" box="[1212,1367,1002,1027]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E00329559FA66EF05846025A" box="[1212,1367,1002,1027]" italics="true" pageId="3" pageNumber="4">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
in its apparently weakly inflated cranidium lacking dorsal sculpture and in its large eye and narrow librigenal field. However, it possesses a thoracic axial spine on the sixth segment, a feature definitively absent in every species of
|
||
<taxonomicName id="4C43B8A4E00329559BA269455C430221" box="[184,338,1119,1144]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E00329559BA269455C430221" box="[184,338,1119,1144]" italics="true" pageId="3" pageNumber="4">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
for which there is available evidence. Ordovician aulacopleurids typically have a thoracic axial spine (e.g.,
|
||
<bibRefCitation id="EFD2BED6E00329559A7A699F5CEE02C6" author="Adrain" box="[352,511,1157,1183]" pageId="3" pageNumber="22" refString="Adrain, J. M. (2005) Aulacopleurid trilobites from the Upper Ordovician of Virginia. Journal of Paleontology, 79, 542 - 563." type="journal article" year="2005">Adrain, 2005</bibRefCitation>
|
||
; unpublished data). If loss of this spine is synapomorphic within
|
||
<taxonomicName id="4C43B8A4E00329559FE4699F588502C7" box="[1278,1428,1157,1182]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E00329559FE4699F588502C7" box="[1278,1428,1157,1182]" italics="true" pageId="3" pageNumber="4">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
, it is conceivable that some basal species could retain it.
|
||
<taxonomicName id="4C43B8A4E0032955982969B65945029C" ID-CoL="6LF7B" box="[819,1108,1196,1221]" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="thomasi" subGenus="Harpidella">
|
||
<emphasis id="B9371F35E0032955982969B65945029C" box="[819,1108,1196,1221]" italics="true" pageId="3" pageNumber="4">Harpidella (H.) thomasi</emphasis>
|
||
</taxonomicName>
|
||
is Aeronian in age, and the only older species of
|
||
<taxonomicName id="4C43B8A4E00329559A8C69C95F3C02B5" box="[406,557,1235,1260]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E00329559A8C69C95F3C02B5" box="[406,557,1235,1260]" italics="true" pageId="3" pageNumber="4">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
is the Rhuddanian
|
||
<taxonomicName id="4C43B8A4E0032955980E69C959ED02B5" authority="Adrain and Chatterton, 1995" authorityName="Adrain and Chatterton" authorityYear="1995" box="[788,1276,1234,1260]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="messieri">
|
||
<emphasis id="B9371F35E0032955980E69C95E8F02B5" box="[788,926,1235,1260]" italics="true" pageId="3" pageNumber="4">M. messieri</emphasis>
|
||
<bibRefCitation id="EFD2BED6E003295598BC69C859ED02B5" author="Adrain" box="[934,1276,1234,1260]" pageId="3" pageNumber="22" refString="Adrain, J. M. & Chatterton, B. D. E. (1995 a) The otarionine trilobites Harpidella and Maurotarion, with species from northwestern Canada, the United States, and Australia. Journal of Paleontology, 69, 307 - 326." type="journal article" year="1995" yearSuffix="a">Adrain and Chatterton, 1995</bibRefCitation>
|
||
</taxonomicName>
|
||
a. Whether or not
|
||
<taxonomicName id="4C43B8A4E00329559BDC69E35C45034B" box="[198,340,1273,1298]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="messieri">
|
||
<emphasis id="B9371F35E00329559BDC69E35C45034B" box="[198,340,1273,1298]" italics="true" pageId="3" pageNumber="4">M. messieri</emphasis>
|
||
</taxonomicName>
|
||
possessed a spine is uncertain -
|
||
<bibRefCitation id="EFD2BED6E003295599F869E3588D034A" author="Adrain" box="[738,1436,1273,1299]" pageId="3" pageNumber="22" refString="Adrain, J. M. & Chatterton, B. D. E. (1995 a) The otarionine trilobites Harpidella and Maurotarion, with species from northwestern Canada, the United States, and Australia. Journal of Paleontology, 69, 307 - 326." type="journal article" year="1995" yearSuffix="a">Adrain and Chatterton (1995a, fig. 9.16–9.18, 9.24, 9.25)</bibRefCitation>
|
||
illustrated segments with long axial spines, but
|
||
<taxonomicName id="4C43B8A4E003295599F7683A5E910360" box="[749,896,1312,1337]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="messieri">
|
||
<emphasis id="B9371F35E003295599F7683A5E910360" box="[749,896,1312,1337]" italics="true" pageId="3" pageNumber="4">M. messieri</emphasis>
|
||
</taxonomicName>
|
||
occurs along with
|
||
<taxonomicName id="4C43B8A4E00329559F75683A5C4E0339" authority="Adrain and Chatterton, 1995" authorityName="Adrain and Chatterton" authorityYear="1995" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="tikkaneni">
|
||
<emphasis id="B9371F35E00329559F75683A58190360" box="[1135,1288,1312,1337]" italics="true" pageId="3" pageNumber="4">H. tikkaneni</emphasis>
|
||
<bibRefCitation id="EFD2BED6E00329559E0B683A5C4E0339" author="Adrain" pageId="3" pageNumber="22" refString="Adrain, J. M. & Chatterton, B. D. E. (1995 a) The otarionine trilobites Harpidella and Maurotarion, with species from northwestern Canada, the United States, and Australia. Journal of Paleontology, 69, 307 - 326." type="journal article" year="1995" yearSuffix="a">Adrain and Chatterton, 1995</bibRefCitation>
|
||
</taxonomicName>
|
||
a. All species of
|
||
<taxonomicName id="4C43B8A4E00329559938685D5FB20339" ID-CoL="62TSQ" box="[546,675,1351,1376]" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus" sensu="stricto">
|
||
<emphasis id="B9371F35E00329559938685D5FB20339" box="[546,675,1351,1376]" italics="true" pageId="3" pageNumber="4">Harpidella</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204A24EE003295599B0685C5FDE0339" box="[682,719,1350,1376]" pageId="3" pageNumber="4" sensu="stricto">s.s.</taxonomicNameLabel>
|
||
(sensu
|
||
<bibRefCitation id="EFD2BED6E00329559830685C59990339" author="Adrain" box="[810,1160,1350,1376]" pageId="3" pageNumber="22" refString="Adrain, J. M. & Chatterton, B. D. E. (1995 a) The otarionine trilobites Harpidella and Maurotarion, with species from northwestern Canada, the United States, and Australia. Journal of Paleontology, 69, 307 - 326." type="journal article" year="1995" yearSuffix="a">Adrain and Chatterton, 1995a</bibRefCitation>
|
||
) for which information is available possess such a spine, and the segments likely belong to
|
||
<taxonomicName id="4C43B8A4E003295598AA6877592E03DF" box="[944,1087,1389,1414]" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="tikkaneni">
|
||
<emphasis id="B9371F35E003295598AA6877592E03DF" box="[944,1087,1389,1414]" italics="true" pageId="3" pageNumber="4">H. tikkaneni</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C35990ACE00329559BDC68895E5803F7" box="[198,841,1427,1454]" pageId="3" pageNumber="4" type="diagnosis">
|
||
<paragraph id="8BFCC327E00329559BDC68895E5803F7" blockId="3.[151,1437,152,1995]" box="[198,841,1427,1454]" pageId="3" pageNumber="4">
|
||
<emphasis id="B9371F35E00329559BDC68895C5903F4" bold="true" box="[198,328,1427,1453]" pageId="3" pageNumber="4">Diagnosis:</emphasis>
|
||
See
|
||
<bibRefCitation id="EFD2BED6E00329559A9B688E5FF203F7" author="Adrain" box="[385,739,1428,1454]" pageId="3" pageNumber="22" refString="Adrain, J. M. & Chatterton, B. D. E. (1995 a) The otarionine trilobites Harpidella and Maurotarion, with species from northwestern Canada, the United States, and Australia. Journal of Paleontology, 69, 307 - 326." type="journal article" year="1995" yearSuffix="a">Adrain and Chatterton (1995a</bibRefCitation>
|
||
, p. 318).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C35990ACE00329559BDC68A05E330192" pageId="3" pageNumber="4" type="discussion">
|
||
<paragraph id="8BFCC327E00329559BDC68A05F58007B" blockId="3.[151,1437,152,1995]" pageId="3" pageNumber="4">
|
||
<emphasis id="B9371F35E00329559BDC68A05C45038D" bold="true" box="[198,340,1466,1492]" pageId="3" pageNumber="4">Discussion:</emphasis>
|
||
Adrain and Chatterton’s (1995a) revised concept of
|
||
<taxonomicName id="4C43B8A4E003295598DF68A1594A038D" box="[965,1115,1467,1492]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E003295598DF68A1594A038D" box="[965,1115,1467,1492]" italics="true" pageId="3" pageNumber="4">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
has been followed in most subsequent studies (e.g.,
|
||
<bibRefCitation id="EFD2BED6E00329559ADF68FB5FC403A2" author="Curtis" box="[453,725,1505,1531]" pageId="3" pageNumber="22" refString="Curtis, N. J. & Lane, P. D. (1997) The Llandovery trilobites of England and Wales. Part 1. Monographs of the Palaeontographical Society, 605, 1 - 50." type="journal article" year="1997">Curtis and Lane, 1997</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFD2BED6E003295599F868FB595603A2" author="Edgecombe" box="[738,1095,1505,1531]" pageId="3" pageNumber="22" refString="Edgecombe, G. D. & Fortey, R. A. (2000) Silurian trilobites from the El Carmen Formation, Bolivia. Senckenbergiana lethaea, 79, 329 - 355." type="journal article" year="2000">Edgecombe and Fortey, 2000</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFD2BED6E00329559F4E68FB580003A2" author="Sandford" box="[1108,1297,1505,1531]" pageId="3" pageNumber="23" refString="Sandford, A. (2000) Trilobite faunas and palaeoenvironmental setting of the Silurian (early Ludlow) Melbourne Formation, central Victoria. Alcheringa, 24, 153 - 206." type="journal article" year="2000">Sandford, 2000</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFD2BED6E00329559E0468FB5C80007B" author="Chatterton" pageId="3" pageNumber="22" refString="Chatterton, B. D. E. & Ludvigsen, R. (2004) Early Silurian trilobites of Anticosti Island, Quebec, Canada. Palaeontographica Canadiana, 22, 1 - 264." type="journal article" year="2004">Chatterton and Ludvigsen, 2004</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFD2BED6E00329559A876B125F2C007B" author="Rustan" box="[413,573,1544,1570]" pageId="3" pageNumber="23" refString="Rustan, J. J. (2008) Lower Devonian aulacopleurid trilobites from Argentina. In: Rabano, I., Gozalo, R. & Garcia- Bellido, D. (Eds.), Advances in trilobite research. Cuadernos del Museo Geominero, 9, 345 - 349." type="journal article" year="2008">Rustán, 2008</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BFCC327E00329559BDC6B345E330192" blockId="3.[151,1437,152,1995]" pageId="3" pageNumber="4">
|
||
With the taxa added herein, the Pragian becomes the stratigraphic stage with the highest
|
||
<taxonomicName id="4C43B8A4E00329559E1F6B35588A0011" box="[1285,1435,1583,1608]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E00329559E1F6B35588A0011" box="[1285,1435,1583,1608]" italics="true" pageId="3" pageNumber="4">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
species diversity, at nine. Four of these species, however, are very poorly known.
|
||
<taxonomicName id="4C43B8A4E00329559F726B4F5DC400CF" authority="Alberti, 1967" authorityName="Alberti" authorityYear="1967" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="neptis">
|
||
<emphasis id="B9371F35E00329559F726B4F58280037" box="[1128,1337,1621,1646]" italics="true" pageId="3" pageNumber="4">Harpidella neptis</emphasis>
|
||
<bibRefCitation id="EFD2BED6E00329559E5B6B4F5DC400CF" author="Alberti" pageId="3" pageNumber="22" refString="Alberti, G. K. B. (1967) Neue obersilurische sowie unter- und mitteldevonische Trilobiten aus marokko, Deutschland und einigen anderen europaischen Gebieten. 2. Senckenbergiana lethaea, 48, 481 - 509." type="journal article" year="1967">Alberti, 1967</bibRefCitation>
|
||
</taxonomicName>
|
||
, from the “
|
||
<emphasis id="B9371F35E00329559A416B665CD100CC" box="[347,448,1660,1685]" italics="true" pageId="3" pageNumber="4">princeps</emphasis>
|
||
” Limestone at Ghtira-Tal, northwest
|
||
<collectingCountry id="F35483B7E003295598676B665EFB00CF" box="[893,1002,1660,1686]" name="Morocco" pageId="3" pageNumber="4">Morocco</collectingCountry>
|
||
, is known from only two cranidia. It was assigned to
|
||
<taxonomicName id="4C43B8A4E00329559A406BB95F7D00E5" authority="(Maurotarion)" baseAuthorityName="Maurotarion" box="[346,620,1699,1724]" class="Trilobita" family="Aulacopleuridae" genus="Otarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E00329559A406BB95F7D00E5" box="[346,620,1699,1724]" italics="true" pageId="3" pageNumber="4">Otarion (Maurotarion)</emphasis>
|
||
</taxonomicName>
|
||
by
|
||
<bibRefCitation id="EFD2BED6E003295599806BB8593400E5" author="Alberti" box="[666,1061,1698,1724]" pageId="3" pageNumber="22" refString="Alberti, G. K. B. (1969) Trilobiten des jungeren Siluriums sowie des unter- und Mitteldevons. I. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft, 520, 1 - 692." type="journal article" year="1969">Alberti (1969, pl. 36, figs. 9, 10)</bibRefCitation>
|
||
. With so little information, it is not clear that the species is actually a representative of
|
||
<taxonomicName id="4C43B8A4E003295598436BD35EE800BB" box="[857,1017,1737,1762]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E003295598436BD35EE800BB" box="[857,1017,1737,1762]" italics="true" pageId="3" pageNumber="4">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
. In particular, it has very narrow interocular fixigenae, with the palpebral lobes nearly abutting the glabella. The palpebral lobes are also much smaller and narrower than in typical species of the genus, and do not protrude laterally to the widest point of divergence of the anterior facial sutures. In other respects it does resemble species of
|
||
<taxonomicName id="4C43B8A4E00329559F996A275808010F" box="[1155,1305,1853,1878]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E00329559F996A275808010F" box="[1155,1305,1853,1878]" italics="true" pageId="3" pageNumber="4">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
, such as in the possession of small L1 which do not significantly protrude from the lateral outline of the glabella, and a long, flat, anterior border. More material, particularly of sclerites in addition to the cranidium, would be required to adequately assess the affinity of the species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C35990ACE00429529BDC6D825E44020B" pageId="4" pageNumber="5" type="reference_group">
|
||
<paragraph id="8BFCC327E00429529BDC6D8259610799" blockId="4.[151,1437,151,1106]" pageId="4" pageNumber="5">
|
||
<taxonomicName id="4C43B8A4E00429529BDC6D825E9906EB" authority="Pribyl and Vanek, 1981" authorityName="Pribyl and Vanek" authorityYear="1981" box="[198,904,151,178]" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="distincta" subGenus="Harpidella">
|
||
<emphasis id="B9371F35E00429529BDC6D825F4906E8" box="[198,600,152,177]" italics="true" pageId="4" pageNumber="5">Harpidella (Harpidella) distincta</emphasis>
|
||
<bibRefCitation id="EFD2BED6E0042952997E6D8D5E9906EB" author="Pribyl" box="[612,904,151,178]" pageId="4" pageNumber="23" refString="Pribyl, A. & Vanek, J. (1981) Studie zur Morphologie und Phylogenie der familie Otarionidae R. & E. Richter (Trilobita). Palaeontographica Abteilung A, 173, 160 - 208." type="journal article" year="1981">Přibyl and Vanĕk, 1981</bibRefCitation>
|
||
</taxonomicName>
|
||
, from the Vinariče Limestone, and
|
||
<taxonomicName id="4C43B8A4E00429529E596D825F0F0681" authority="Pribyl and Vanek, 1981" authorityName="Pribyl and Vanek" authorityYear="1981" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="tantula" subGenus="Harpidella">
|
||
<emphasis id="B9371F35E00429529E596D825DFE0681" italics="true" pageId="4" pageNumber="5">H. (H.) tantula</emphasis>
|
||
<bibRefCitation id="EFD2BED6E00429529BED6DA75F0F0681" author="Pribyl" box="[247,542,189,216]" pageId="4" pageNumber="23" refString="Pribyl, A. & Vanek, J. (1981) Studie zur Morphologie und Phylogenie der familie Otarionidae R. & E. Richter (Trilobita). Palaeontographica Abteilung A, 173, 160 - 208." type="journal article" year="1981">Přibyl and Vanĕk, 1981</bibRefCitation>
|
||
</taxonomicName>
|
||
, from the Dvorce-Prokop Limestone, both Pragian of the Prague Basin,
|
||
<collectingCountry id="F35483B7E00429529B8D6DFF5C1706A6" box="[151,262,229,255]" name="Czech Republic" pageId="4" pageNumber="5">Bohemia</collectingCountry>
|
||
,
|
||
<collectingCountry id="F35483B7E00429529A086DFF5CC206A6" box="[274,467,229,255]" name="Czech Republic" pageId="4" pageNumber="5">Czech Republic</collectingCountry>
|
||
, were assigned to
|
||
<taxonomicName id="4C43B8A4E004295299AA6DFF5E5806A7" box="[688,841,229,254]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E004295299AA6DFF5E5806A7" box="[688,841,229,254]" italics="true" pageId="4" pageNumber="5">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
by
|
||
<bibRefCitation id="EFD2BED6E0042952986D6DFF59FD06A6" author="Adrain" box="[887,1260,229,255]" pageId="4" pageNumber="22" refString="Adrain, J. M. & Chatterton, B. D. E. (1995 a) The otarionine trilobites Harpidella and Maurotarion, with species from northwestern Canada, the United States, and Australia. Journal of Paleontology, 69, 307 - 326." type="journal article" year="1995" yearSuffix="a">Adrain and Chatterton (1995a)</bibRefCitation>
|
||
. The former is known from a single incomplete internal mold of a cranidium (
|
||
<bibRefCitation id="EFD2BED6E004295298636C115821077F" author="Pribyl" box="[889,1328,267,294]" pageId="4" pageNumber="23" refString="Pribyl, A. & Vanek, J. (1981) Studie zur Morphologie und Phylogenie der familie Otarionidae R. & E. Richter (Trilobita). Palaeontographica Abteilung A, 173, 160 - 208." type="journal article" year="1981">Přibyl and Vanĕk, 1981, pl. 7, fig. 10</bibRefCitation>
|
||
), and the latter from five incomplete cranidia (
|
||
<bibRefCitation id="EFD2BED6E0042952995C6C2B59070715" author="Pribyl" box="[582,1046,305,332]" pageId="4" pageNumber="23" refString="Pribyl, A. & Vanek, J. (1981) Studie zur Morphologie und Phylogenie der familie Otarionidae R. & E. Richter (Trilobita). Palaeontographica Abteilung A, 173, 160 - 208." type="journal article" year="1981">Přibyl and Vanĕk, 1981, pl. 7, figs. 1–5</bibRefCitation>
|
||
). Přibyl and Vanĕk compared the species only with each other and with their new
|
||
<taxonomicName id="4C43B8A4E004295299EA6C435EC6072B" box="[752,983,345,370]" class="Trilobita" family="Aulacopleuridae" genus="Harpidella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="kobayashii" subGenus="Harpidella">
|
||
<emphasis id="B9371F35E004295299EA6C435EC6072B" box="[752,983,345,370]" italics="true" pageId="4" pageNumber="5">H. (H.) kobayashii</emphasis>
|
||
</taxonomicName>
|
||
(Emsian,
|
||
<collectingCountry id="F35483B7E00429529F4C6C43580E072A" box="[1110,1311,345,371]" name="Czech Republic" pageId="4" pageNumber="5">Czech Republic</collectingCountry>
|
||
), which is known from three fragmentary cranidia (
|
||
<bibRefCitation id="EFD2BED6E0042952996B6C6559F507C3" author="Pribyl" box="[625,1252,383,410]" pageId="4" pageNumber="23" refString="Pribyl, A. & Vanek, J. (1981) Studie zur Morphologie und Phylogenie der familie Otarionidae R. & E. Richter (Trilobita). Palaeontographica Abteilung A, 173, 160 - 208." type="journal article" year="1981">Přibyl and Vanĕk, 1981, pl. 7, figs. 11, 12, pl. 9, fig. 8</bibRefCitation>
|
||
). These species are essentially uninterpretable beyond their probable status as ingroup
|
||
<taxonomicName id="4C43B8A4E004295298C86CBD59790799" box="[978,1128,423,448]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E004295298C86CBD59790799" box="[978,1128,423,448]" italics="true" pageId="4" pageNumber="5">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BFCC327E00429529BDC6CD75E44020B" blockId="4.[151,1437,151,1106]" pageId="4" pageNumber="5">
|
||
Of the five non-Nevada species, only the late Lochkovian or earliest Pragian Bolivian
|
||
<taxonomicName id="4C43B8A4E00429529E116CD75C630457" authority="Kozlowksi, 1923" authorityName="Kozlowksi" authorityYear="1923" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="dereimsi">
|
||
<emphasis id="B9371F35E00429529E116CD7588D07BF" box="[1291,1436,461,486]" italics="true" pageId="4" pageNumber="5">M. dereimsi</emphasis>
|
||
(Kozlowksi, 1923)
|
||
</taxonomicName>
|
||
is reasonably well understood (see
|
||
<bibRefCitation id="EFD2BED6E0042952980C6CEE59660457" author="Adrain" box="[790,1143,500,526]" pageId="4" pageNumber="22" refString="Adrain, J. M. & Edgecombe, G. D. (1996) Devonian aulacopleurid trilobites of the Malvinokaffric Realm. Geobios, 29, 417 - 436." type="journal article" year="1996">Adrain and Edgecombe, 1996</bibRefCitation>
|
||
, p. 424, pl. 52, figs. 1–3, 5–9).
|
||
<bibRefCitation id="EFD2BED6E00429529BC76F005F5F046D" author="Adrain" box="[221,590,538,564]" pageId="4" pageNumber="22" refString="Adrain, J. M. & Edgecombe, G. D. (1996) Devonian aulacopleurid trilobites of the Malvinokaffric Realm. Geobios, 29, 417 - 436." type="journal article" year="1996">Adrain and Edgecombe (1996)</bibRefCitation>
|
||
argued that
|
||
<taxonomicName id="4C43B8A4E004295299FE6F005E60046A" box="[740,881,538,563]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="dereimsi">
|
||
<emphasis id="B9371F35E004295299FE6F005E60046A" box="[740,881,538,563]" italics="true" pageId="4" pageNumber="5">M. dereimsi</emphasis>
|
||
</taxonomicName>
|
||
formed a predominantly Malvinokaffric clade with their new species
|
||
<taxonomicName id="4C43B8A4E00429529AB66F5B5F750403" box="[428,612,577,602]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="racheboeufi">
|
||
<emphasis id="B9371F35E00429529AB66F5B5F750403" box="[428,612,577,602]" italics="true" pageId="4" pageNumber="5">M. racheboeufi</emphasis>
|
||
</taxonomicName>
|
||
(Emsian,
|
||
<collectingCountry id="F35483B7E004295299C56F5B5E280402" box="[735,825,577,603]" name="Bolivia" pageId="4" pageNumber="5">Bolivia</collectingCountry>
|
||
) and
|
||
<taxonomicName id="4C43B8A4E004295298676F5B591A0403" box="[893,1035,577,602]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="legrandi">
|
||
<emphasis id="B9371F35E004295298676F5B591A0403" box="[893,1035,577,602]" italics="true" pageId="4" pageNumber="5">M. legrandi</emphasis>
|
||
</taxonomicName>
|
||
(Eifelian,
|
||
<collectingCountry id="F35483B7E00429529F966F5B59F80402" box="[1164,1257,577,603]" name="Bolivia" pageId="4" pageNumber="5">Bolivia</collectingCountry>
|
||
), and probably also with
|
||
<taxonomicName id="4C43B8A4E00429529A106F725E1804DB" authority="Adrain and Edgecombe, 1996" authorityName="Adrain and Edgecombe" authorityYear="1996" box="[266,777,616,642]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="isaacsoni">
|
||
<emphasis id="B9371F35E00429529A106F725CB004D8" box="[266,417,616,641]" italics="true" pageId="4" pageNumber="5">M. isaacsoni</emphasis>
|
||
<bibRefCitation id="EFD2BED6E00429529AB36F725E1804DB" author="Adrain" box="[425,777,616,642]" pageId="4" pageNumber="22" refString="Adrain, J. M. & Edgecombe, G. D. (1996) Devonian aulacopleurid trilobites of the Malvinokaffric Realm. Geobios, 29, 417 - 436." type="journal article" year="1996">Adrain and Edgecombe, 1996</bibRefCitation>
|
||
</taxonomicName>
|
||
(Early Devonian,
|
||
<collectingCountry id="F35483B7E004295298FE6F72592E04DB" box="[996,1087,616,642]" name="Bolivia" pageId="4" pageNumber="5">Bolivia</collectingCountry>
|
||
), and
|
||
<taxonomicName id="4C43B8A4E00429529F9F6F72580A04D8" box="[1157,1307,616,641]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E00429529F9F6F72580A04D8" box="[1157,1307,616,641]" italics="true" pageId="4" pageNumber="5">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
nov. sp. A of Adrain and Edgeombe (1996, p. 426; late Emsian or younger,
|
||
<collectingCountry id="F35483B7E004295298DD6F94597F04F1" box="[967,1134,654,680]" name="South Africa" pageId="4" pageNumber="5">South Africa</collectingCountry>
|
||
). They also (
|
||
<bibRefCitation id="EFD2BED6E00429529E156F945F0B0496" author="Adrain" pageId="4" pageNumber="22" refString="Adrain, J. M. & Edgecombe, G. D. (1996) Devonian aulacopleurid trilobites of the Malvinokaffric Realm. Geobios, 29, 417 - 436." type="journal article" year="1996">Adrain and Edgecombe, 1996, pp. 420–421</bibRefCitation>
|
||
) considered that
|
||
<taxonomicName id="4C43B8A4E004295299F66FAF5E800497" box="[748,913,693,718]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="periergum">
|
||
<emphasis id="B9371F35E004295299F66FAF5E800497" box="[748,913,693,718]" italics="true" pageId="4" pageNumber="5">M. periergum</emphasis>
|
||
</taxonomicName>
|
||
was related to the
|
||
<taxonomicName id="4C43B8A4E00429529F626FAF58190497" box="[1144,1288,693,718]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="dereimsi">
|
||
<emphasis id="B9371F35E00429529F626FAF58190497" box="[1144,1288,693,718]" italics="true" pageId="4" pageNumber="5">M. dereimsi</emphasis>
|
||
</taxonomicName>
|
||
group. This opinion was based on the presence of inflated genal spine bases, termination of the lateral border furrow in front of the genal angle and continuation of the posterior border furrow along the genal spine, and an anterior border than is only slightly longer medially than laterally.
|
||
<bibRefCitation id="EFD2BED6E004295298576E335806051A" author="Adrain" box="[845,1303,809,835]" pageId="4" pageNumber="22" refString="Adrain, J. M. & Edgecombe, G. D. (1996) Devonian aulacopleurid trilobites of the Malvinokaffric Realm. Geobios, 29, 417 - 436." type="journal article" year="1996" yearSuffix="p">Adrain and Edgecombe (1996, p. 422)</bibRefCitation>
|
||
tentatively interpreted the entire Malvinokaffric
|
||
<taxonomicName id="4C43B8A4E004295299516E4A5FF00530" box="[587,737,848,873]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E004295299516E4A5FF00530" box="[587,737,848,873]" italics="true" pageId="4" pageNumber="5">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
species group as monophyletic, and sister to
|
||
<taxonomicName id="4C43B8A4E00429529FEE6E4A58840530" box="[1268,1429,848,873]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="periergum">
|
||
<emphasis id="B9371F35E00429529FEE6E4A58840530" box="[1268,1429,848,873]" italics="true" pageId="4" pageNumber="5">M. periergum</emphasis>
|
||
</taxonomicName>
|
||
, implying an episode of Pragian invasion from lower latitudes. This scenario was challenged by the description (
|
||
<bibRefCitation id="EFD2BED6E00429529B846E875CE805EE" author="Edgecombe" box="[158,505,925,951]" pageId="4" pageNumber="22" refString="Edgecombe, G. D. & Fortey, R. A. (2000) Silurian trilobites from the El Carmen Formation, Bolivia. Senckenbergiana lethaea, 79, 329 - 355." type="journal article" year="2000">Edgecombe and Fortey, 2000</bibRefCitation>
|
||
) of a Silurian Malvinokaffric species of
|
||
<taxonomicName id="4C43B8A4E004295298C86E87597905EF" box="[978,1128,925,950]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9371F35E004295298C86E87597905EF" box="[978,1128,925,950]" italics="true" pageId="4" pageNumber="5">Maurotarion</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<collectingCountry id="F35483B7E00429529FB56E87581805EE" box="[1199,1289,925,951]" name="Bolivia" pageId="4" pageNumber="5">Bolivia</collectingCountry>
|
||
. Though not well known, this species is potentially a member of the
|
||
<taxonomicName id="4C43B8A4E0042952985C6EDE5EC60584" box="[838,983,964,989]" class="Trilobita" family="Aulacopleuridae" genus="Maurotarion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="dereimsi">
|
||
<emphasis id="B9371F35E0042952985C6EDE5EC60584" box="[838,983,964,989]" italics="true" pageId="4" pageNumber="5">M. dereimsi</emphasis>
|
||
</taxonomicName>
|
||
group. Before further biogeographic speculation is engaged in, a formal phylogenetic analysis of the entire genus is required. Such an analysis is beyond the scope of the present paper, but the species described herein provide some of the best known morphological data available for eventual cladistic analysis.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |