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<document id="BCC943F390D0802BE7AE7E08B07BBF68" ID-DOI="10.11646/zootaxa.3926.1.1" ID-GBIF-Dataset="93974765-12a0-4ee8-bea2-e6448e88d9bd" ID-ISSN="1175-5326" ID-Zenodo-Dep="288002" ID-ZooBank="342DDB94-4739-464B-AF67-4B17C6EE35D7" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461005778442" checkinUser="plazi" docAuthor="Vanderlaan, Tegan A. &amp; Ebach, Malte C." docDate="2015" docId="1B76A233D747FFAEA6C7A57966E39BE1" docLanguage="en" docName="zt03926p056.pdf" docOrigin="Zootaxa 3926 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Monodechenella subtriangularis Engel &amp; Morris 1984" docType="treatment" docVersion="7" lastPageNumber="21" masterDocId="E74FDA4BD754FFBAA650A207672B9964" masterDocTitle="A review of the Carboniferous and Permian trilobites of Australia" masterLastPageNumber="56" masterPageNumber="1" pageNumber="20" updateTime="1698565543043" updateUser="plazi">
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<mods:title id="DE88F4E81CECD8CEEFD4A2B92755E95A">A review of the Carboniferous and Permian trilobites of Australia</mods:title>
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<mods:namePart id="6175425775F03D9156420D45324988BD">Vanderlaan, Tegan A.</mods:namePart>
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<mods:namePart id="29DF9929D8D0C2BE9803A9488A103EFE">Ebach, Malte C.</mods:namePart>
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<mods:date id="DE770E2C71429B72756F321B6D11A945">2015</mods:date>
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<treatment id="1B76A233D747FFAEA6C7A57966E39BE1" ID-DOI="http://doi.org/10.5281/zenodo.5623227" ID-GBIF-Taxon="127671900" ID-Zenodo-Dep="5623227" LSID="urn:lsid:plazi:treatment:1B76A233D747FFAEA6C7A57966E39BE1" httpUri="http://treatment.plazi.org/id/1B76A233D747FFAEA6C7A57966E39BE1" lastPageId="20" lastPageNumber="21" pageId="19" pageNumber="20">
<subSubSection id="DBC540AED747FFA9A6C7A57964979E90" pageId="19" pageNumber="20" type="nomenclature">
<paragraph id="93601325D747FFA9A6C7A579646E9EFC" blockId="19.[151,837,1918,1944]" box="[151,837,1918,1944]" pageId="19" pageNumber="20">
<heading id="C828A449D747FFA9A6C7A579646E9EFC" bold="true" box="[151,837,1918,1944]" fontSize="11" level="1" pageId="19" pageNumber="20" reason="1">
<taxonomicName id="54DF68A6D747FFA9A6C7A579646E9EFC" authority="Engel &amp; Morris 1984" authorityName="Engel &amp; Morris" authorityYear="1984" box="[151,837,1918,1944]" class="Trilobita" family="Proetidae" genus="Monodechenella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="subtriangularis">
<emphasis id="A1ABCF37D747FFA9A6C7A579646E9EFC" bold="true" box="[151,837,1918,1944]" pageId="19" pageNumber="20">
<emphasis id="A1ABCF37D747FFA9A6C7A57965099EFC" bold="true" box="[151,546,1918,1944]" italics="true" pageId="19" pageNumber="20">Monodechenella subtriangularis</emphasis>
(
<bibRefCitation id="F74E6ED4D747FFA9A461A57964169EFC" author="Engel" box="[561,829,1918,1944]" pageId="19" pageNumber="20" refString="Engel, B. A. &amp; Morris, N. (1984) Conophillipsia (Trilobita) in the Early Carboniferous of eastern Australia. Alcheringa, 8, 23 - 63. http: // dx. doi. org / 10.1080 / 03115518408619608" type="journal article" year="1984">Engel &amp; Morris 1984</bibRefCitation>
)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="93601325D747FFA9A6C7A5C765B49EB2" blockId="19.[151,956,1984,2036]" box="[151,671,1984,2006]" pageId="19" pageNumber="20">
1847
<taxonomicName id="54DF68A6D747FFA9A6A3A5C7667E9EB2" box="[243,341,1984,2006]" class="Pezizomycetes" family="Sarcoscyphaceae" genus="Phillipsia" kingdom="Fungi" order="Pezizales" pageId="19" pageNumber="20" phylum="Ascomycota" rank="genus">
<emphasis id="A1ABCF37D747FFA9A6A3A5C7667E9EB2" box="[243,341,1984,2006]" italics="true" pageId="19" pageNumber="20">Phillipsia</emphasis>
</taxonomicName>
cf.
<emphasis id="A1ABCF37D747FFA9A72CA5C766D79EB2" box="[380,508,1984,2006]" italics="true" pageId="19" pageNumber="20">gemmulifera</emphasis>
McCoy, p. 231.
</paragraph>
<paragraph id="93601325D747FFA9A6C7A5D964979E90" blockId="19.[151,956,1984,2036]" box="[151,956,2014,2036]" pageId="19" pageNumber="20">
1984
<emphasis id="A1ABCF37D747FFA9A6A3A5D965079E90" box="[243,556,2014,2036]" italics="true" pageId="19" pageNumber="20">
Conophillipsia
<taxonomicName id="54DF68A6D747FFA9A7C0A5D965079E90" authority="Engel &amp; Morris" authorityName="Engel &amp; Morris" box="[400,556,2014,2036]" class="Trilobita" family="Proetidae" genus="Monodechenella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="subtriangularis">subtriangularis</taxonomicName>
</emphasis>
Engel &amp; Morris; p. 3941, figs. 1011.
</paragraph>
</subSubSection>
<subSubSection id="DBC540AED740FFAEA6C7A29063CF98EC" pageId="20" pageNumber="21" type="materials_examined">
<paragraph id="93601325D740FFAEA6C7A29065DA99D4" blockId="20.[151,1437,151,645]" box="[151,753,151,176]" pageId="20" pageNumber="21">
<emphasis id="A1ABCF37D740FFAEA6C7A290662099D4" bold="true" box="[151,267,151,176]" pageId="20" pageNumber="21">
<typeStatus id="4C64AD87D740FFAEA6C7A290662D99D4" box="[151,262,151,176]" pageId="20" pageNumber="21" type="holotype">Holotype</typeStatus>
.
</emphasis>
AMF80518 (internal mould of cranidium).
</paragraph>
<paragraph id="93601325D740FFAEA697A2BB66F09879" blockId="20.[151,1437,151,645]" pageId="20" pageNumber="21">
<emphasis id="A1ABCF37D740FFAEA697A2BB668499B1" bold="true" box="[199,431,188,213]" pageId="20" pageNumber="21">
<typeStatus id="4C64AD87D740FFAEA697A2BB661F99B1" box="[199,308,188,213]" pageId="20" pageNumber="21" type="paratype">Paratype</typeStatus>
material.
</emphasis>
From NU L353: AMF80519 (internal pygidium), AMF80520 (external pygidium), AMF80522 (external pygidium). From
<collectionCode id="F5CE8BE0D740FFAEA425A2E765949993" box="[629,703,224,247]" httpUri="http://grbio.org/cool/x70x-8kdg" name="Micoteca da Universidade do Minho" pageId="20" pageNumber="21">MUM</collectionCode>
: AMF80521 (internal pygidium). From DV:
<collectionCode id="F5CE8BE0D740FFAEA2B9A2D8621E999C" box="[1257,1333,223,248]" pageId="20" pageNumber="21">CSMF</collectionCode>
10586a/b (internal/external pygidium).
</paragraph>
<paragraph id="93601325D740FFAEA697A32065C3985B" blockId="20.[151,1437,151,645]" box="[199,744,295,320]" pageId="20" pageNumber="21">
<emphasis id="A1ABCF37D740FFAEA697A32066049824" bold="true" box="[199,303,295,320]" pageId="20" pageNumber="21">Locality.</emphasis>
Type—NU L353. Others—DV,
<collectionCode id="F5CE8BE0D740FFAEA4CBA32F65CE985B" box="[667,741,296,319]" httpUri="http://grbio.org/cool/x70x-8kdg" name="Micoteca da Universidade do Minho" pageId="20" pageNumber="21">MUM</collectionCode>
.
</paragraph>
<paragraph id="93601325D740FFAEA697A34B63CF98EC" blockId="20.[151,1437,151,645]" pageId="20" pageNumber="21">
<emphasis id="A1ABCF37D740FFAEA697A34B669E9801" bold="true" box="[199,437,332,357]" pageId="20" pageNumber="21">Emended diagnosis.</emphasis>
Glabella tapers anteriorly; slightly incised at γ; S1 very distinct, S2 less distinct; strongly convex. Pygidium triangular in outline; concave pygidial border; 12+ pleural ribs; 14+ axial rings.
</paragraph>
</subSubSection>
<subSubSection id="DBC540AED740FFAEA697A39366E39BE1" pageId="20" pageNumber="21" type="discussion">
<paragraph id="93601325D740FFAEA697A39366E39BE1" blockId="20.[151,1437,151,645]" pageId="20" pageNumber="21">
<emphasis id="A1ABCF37D740FFAEA697A393661098C9" bold="true" box="[199,315,404,429]" pageId="20" pageNumber="21">Remarks.</emphasis>
There are few specimens of
<taxonomicName id="54DF68A6D740FFAEA4D6A39364DC98C9" box="[646,1015,404,429]" class="Trilobita" family="Proetidae" genus="Monodechenella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="subtriangularis">
<emphasis id="A1ABCF37D740FFAEA4D6A39364DC98C9" box="[646,1015,404,429]" italics="true" pageId="20" pageNumber="21">Monodechenella subtriangularis</emphasis>
</taxonomicName>
available for study, but they seem to closely resemble
<taxonomicName id="54DF68A6D740FFAEA731A3BE66C198B4" box="[353,490,441,464]" class="Trilobita" family="Proetidae" genus="Monodechenella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="speciosa">
<emphasis id="A1ABCF37D740FFAEA731A3BE66C198B4" box="[353,490,441,464]" italics="true" pageId="20" pageNumber="21">M. speciosa</emphasis>
</taxonomicName>
. Some of the distinguishing features between the two species noted by
<bibRefCitation id="F74E6ED4D740FFAEA36AA3B066139890" author="Engel" pageId="20" pageNumber="21" refString="Engel, B. A. &amp; Morris, N. (1984) Conophillipsia (Trilobita) in the Early Carboniferous of eastern Australia. Alcheringa, 8, 23 - 63. http: // dx. doi. org / 10.1080 / 03115518408619608" type="journal article" year="1984">Engel &amp; Morris (1984)</bibRefCitation>
appear to be dubious. For instance, there are a greater number of pygidiual rings and ribs in
<taxonomicName id="54DF68A6D740FFAEA32DA3DA666F9B7C" class="Trilobita" family="Proetidae" genus="Monodechenella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="subtriangularis">
<emphasis id="A1ABCF37D740FFAEA32DA3DA666F9B7C" italics="true" pageId="20" pageNumber="21">M. subtriangularis</emphasis>
</taxonomicName>
. The other distinguishing characters between
<taxonomicName id="54DF68A6D740FFAEA53AA006636A9B7C" box="[874,1089,511,536]" class="Trilobita" family="Proetidae" genus="Monodechenella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="subtriangularis">
<emphasis id="A1ABCF37D740FFAEA53AA006636A9B7C" box="[874,1089,511,536]" italics="true" pageId="20" pageNumber="21">M. subtriangularis</emphasis>
</taxonomicName>
and
<taxonomicName id="54DF68A6D740FFAEA2D4A006623B9B7C" box="[1156,1296,513,536]" class="Trilobita" family="Proetidae" genus="Monodechenella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="speciosa">
<emphasis id="A1ABCF37D740FFAEA2D4A006623B9B7C" box="[1156,1296,513,536]" italics="true" pageId="20" pageNumber="21">M. speciosa</emphasis>
</taxonomicName>
seem more obvious, that is the densely nodose ornament of
<taxonomicName id="54DF68A6D740FFAEA4EBA02264699B58" box="[699,834,549,572]" class="Trilobita" family="Proetidae" genus="Monodechenella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="speciosa">
<emphasis id="A1ABCF37D740FFAEA4EBA02264699B58" box="[699,834,549,572]" italics="true" pageId="20" pageNumber="21">M. speciosa</emphasis>
</taxonomicName>
, the different convexities of the pygidial borders and the more convex axis of the glabella in
<taxonomicName id="54DF68A6D740FFAEA405A04E64039B04" box="[597,808,583,608]" class="Trilobita" family="Proetidae" genus="Monodechenella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Proetida" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="subtriangularis">
<emphasis id="A1ABCF37D740FFAEA405A04E64039B04" box="[597,808,583,608]" italics="true" pageId="20" pageNumber="21">M. subtriangularis</emphasis>
</taxonomicName>
. We consider these differences sufficient to warrant the separation of these species.
</paragraph>
</subSubSection>
</treatment>
</document>