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<treatment id="3B7954795D7E9F3663F0FAE4FECE6367" ID-DOI="http://doi.org/10.5281/zenodo.5256919" ID-Zenodo-Dep="5256919" LSID="urn:lsid:plazi:treatment:3B7954795D7E9F3663F0FAE4FECE6367" httpUri="http://treatment.plazi.org/id/3B7954795D7E9F3663F0FAE4FECE6367" lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22">
<subSubSection id="FBCAB6E45D7E9F3563F0FAE4FF33656E" pageId="21" pageNumber="22" type="nomenclature">
<paragraph id="B36FE56F5D7E9F3563F0FAE4FDAA654C" blockId="21.[151,616,1346,1406]" box="[151,616,1346,1373]" pageId="21" pageNumber="22">
<heading id="E82752035D7E9F3563F0FAE4FDAA654C" bold="true" box="[151,616,1346,1373]" fontSize="11" level="1" pageId="21" pageNumber="22" reason="1">
<taxonomicName id="74D09EEC5D7E9F3563F0FAE4FDAA654C" ID-CoL="4P5GY" authority="Hintze, 1953" authorityName="Hintze" authorityYear="1953" box="[151,616,1346,1373]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7E9F3563F0FAE4FDAA654C" bold="true" box="[151,616,1346,1373]" pageId="21" pageNumber="22">
<emphasis id="81A4397D5D7E9F3563F0FAE4FE07654D" bold="true" box="[151,453,1347,1373]" italics="true" pageId="21" pageNumber="22">Pseudoolenoides dilectus</emphasis>
<bibRefCitation id="D741989E5D7E9F3562ABFAE5FDAA654C" author="Hintze, L. F." box="[460,616,1346,1372]" pageId="21" pageNumber="22" pagination="1 - 249" refId="ref34445" refString="Hintze, L. F. (1953) Lower Ordovician trilobites from western Utah and eastern Nevada. Utah Geological and Mineralogical Survey Bulletin, 48, 1 - 249. (for 1952)" type="journal article" year="1953">Hintze, 1953</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="B36FE56F5D7E9F3563F0FAC1FF33656E" blockId="21.[151,616,1346,1406]" box="[151,241,1382,1406]" pageId="21" pageNumber="22">Plate 11</paragraph>
</subSubSection>
<subSubSection id="FBCAB6E45D7E9F3563A0FA00FC5A6683" pageId="21" pageNumber="22" type="description">
<paragraph id="B36FE56F5D7E9F3563A0FA00FC3B65AD" blockId="21.[199,1017,1447,1684]" box="[199,1017,1447,1469]" pageId="21" pageNumber="22">
1951 “
<taxonomicName id="74D09EEC5D7E9F356239FA00FE2665AD" authorityName="Goldfuss" authorityYear="1843" box="[350,484,1447,1469]" class="Trilobita" family="Nileidae" genus="Symphysurus" kingdom="Animalia" order="Asaphida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="genus">
<emphasis id="81A4397D5D7E9F356239FA00FE2665AD" box="[350,484,1447,1469]" italics="true" pageId="21" pageNumber="22">Symphysurus</emphasis>
</taxonomicName>
?
<emphasis id="81A4397D5D7E9F35629BFA00FD9A65AD" box="[508,600,1447,1469]" italics="true" pageId="21" pageNumber="22">goldfussi</emphasis>
&quot; Walcott; Ross, p. 64, pl. 15, figs 16–18.
</paragraph>
<paragraph id="B36FE56F5D7E9F3563A0FA62FC5765CB" blockId="21.[199,1017,1447,1684]" box="[199,917,1477,1500]" pageId="21" pageNumber="22">
1953
<taxonomicName id="74D09EEC5D7E9F356234FA61FD6265CB" authority="Hintze" authorityName="Hintze" authorityYear="1953" box="[339,672,1477,1500]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7E9F356234FA61FD9665CC" box="[339,596,1478,1500]" italics="true" pageId="21" pageNumber="22">Pseudoolenoides dilectus</emphasis>
Hintze
</taxonomicName>
, p. 228, pl. 27, figs 1–6.
</paragraph>
<paragraph id="B36FE56F5D7E9F3563A0FA43FCB065EA" blockId="21.[199,1017,1447,1684]" box="[199,882,1508,1530]" pageId="21" pageNumber="22">
1973b
<taxonomicName id="74D09EEC5D7E9F356234FA43FD6365EA" authority="Hintze" authorityName="Hintze" authorityYear="1953" box="[339,673,1508,1530]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7E9F356234FA43FD9665EA" box="[339,596,1508,1530]" italics="true" pageId="21" pageNumber="22">Pseudoolenoides dilectus</emphasis>
Hintze
</taxonomicName>
; Hintze, text-fig. 28.
</paragraph>
<paragraph id="B36FE56F5D7E9F3563A0F9A4FCEA6609" blockId="21.[199,1017,1447,1684]" box="[199,808,1539,1561]" pageId="21" pageNumber="22">
1974
<taxonomicName id="74D09EEC5D7E9F356234F9A4FD636609" authority="Hintze" authorityName="Hintze" authorityYear="1953" box="[339,673,1539,1561]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7E9F356234F9A4FD966609" box="[339,596,1539,1561]" italics="true" pageId="21" pageNumber="22">Pseudoolenoides dilectus</emphasis>
Hintze
</taxonomicName>
; Shaw, p. 22.
</paragraph>
<paragraph id="B36FE56F5D7E9F3563A0F985FC066628" blockId="21.[199,1017,1447,1684]" box="[199,964,1570,1592]" pageId="21" pageNumber="22">
1991
<taxonomicName id="74D09EEC5D7E9F356234F985FD636628" authority="Hintze" authorityName="Hintze" authorityYear="1953" box="[339,673,1570,1592]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7E9F356234F985FD966628" box="[339,596,1570,1592]" italics="true" pageId="21" pageNumber="22">Pseudoolenoides dilectus</emphasis>
Hintze
</taxonomicName>
; Ross and Ethington, p. 160.
</paragraph>
<paragraph id="B36FE56F5D7E9F3563A0F9E7FCFC6646" blockId="21.[199,1017,1447,1684]" box="[199,830,1600,1622]" pageId="21" pageNumber="22">
1991
<taxonomicName id="74D09EEC5D7E9F356234F9E7FD636646" authority="Hintze" authorityName="Hintze" authorityYear="1953" box="[339,673,1600,1622]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7E9F356234F9E7FD966646" box="[339,596,1600,1622]" italics="true" pageId="21" pageNumber="22">Pseudoolenoides dilectus</emphasis>
Hintze
</taxonomicName>
; Church, fig. 2.
</paragraph>
<paragraph id="B36FE56F5D7E9F3563A0F9F8FC6A6665" blockId="21.[199,1017,1447,1684]" box="[199,936,1631,1653]" pageId="21" pageNumber="22">
1996
<taxonomicName id="74D09EEC5D7E9F356234F9F8FD636665" authority="Hintze" authorityName="Hintze" authorityYear="1953" box="[339,673,1631,1653]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7E9F356234F9F8FD966665" box="[339,596,1631,1653]" italics="true" pageId="21" pageNumber="22">Pseudoolenoides dilectus</emphasis>
Hintze
</taxonomicName>
; Fortey and Droser, p. 87.
</paragraph>
<paragraph id="B36FE56F5D7E9F3563A0F9DAFC5A6683" blockId="21.[199,1017,1447,1684]" box="[199,920,1661,1684]" pageId="21" pageNumber="22">
2003
<taxonomicName id="74D09EEC5D7E9F356234F9D9FD636683" authority="Hintze" authorityName="Hintze" authorityYear="1953" box="[339,673,1661,1684]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7E9F356234F9D9FD966684" box="[339,596,1662,1684]" italics="true" pageId="21" pageNumber="22">Pseudoolenoides dilectus</emphasis>
Hintze
</taxonomicName>
; Jell and Adrain, p. 434.
</paragraph>
</subSubSection>
<subSubSection id="FBCAB6E45D7E9F3563F0F91EFA966709" pageId="21" pageNumber="22" type="materials_examined">
<paragraph id="B36FE56F5D7E9F3563F0F91EFA966709" blockId="21.[151,1436,1721,2030]" pageId="21" pageNumber="22">
<emphasis id="81A4397D5D7E9F3563F0F91EFEC466C2" bold="true" box="[151,262,1721,1746]" inLineHeading="true" pageId="21" pageNumber="22" reason="1">Material.</emphasis>
<typeStatus id="6C6B5BCD5D7E9F35627AF91EFE4A66C1" box="[285,392,1721,1745]" pageId="21" pageNumber="22" type="holotype">Holotype</typeStatus>
,
<collectionCode id="D5C17DAA5D7E9F3562FFF91EFDD266C1" box="[408,528,1721,1745]" pageId="21" pageNumber="22">AMNH-FI</collectionCode>
26492 (Plate 11), from Section J, Locality J-22 of
<bibRefCitation id="D741989E5D7E9F356711F91EFACD66C1" author="Hintze, L. F." box="[1142,1295,1721,1745]" pageId="21" pageNumber="22" pagination="1 - 99" refId="ref34414" refString="Hintze, L. F. (1951) Lower Ordovician detailed stratigraphic sections for western Utah. Utah Geological and Mineralogical Survey Bulletin, 39, 1 - 99." type="journal article" year="1951">Hintze (1951</bibRefCitation>
,
<bibRefCitation id="D741989E5D7E9F356647F91EFA9966C1" author="Hintze, L. F." box="[1312,1371,1721,1745]" pageId="21" pageNumber="22" pagination="1 - 249" refId="ref34445" refString="Hintze, L. F. (1953) Lower Ordovician trilobites from western Utah and eastern Nevada. Utah Geological and Mineralogical Survey Bulletin, 48, 1 - 249. (for 1952)" type="journal article" year="1953">1953</bibRefCitation>
), and
<typeStatus id="6C6B5BCD5D7E9F3563F0F979FEC066E6" box="[151,258,1758,1782]" pageId="21" pageNumber="22" type="paratype">paratypes</typeStatus>
<collectionCode id="D5C17DAA5D7E9F35626DF97AFE4066E5" box="[266,386,1757,1781]" pageId="21" pageNumber="22">AMNH-FI</collectionCode>
26490, 26491, 26493–26495, from Section K-South 1.5
<collectionCode id="D5C17DAA5D7E9F356099F97AFBD266E5" box="[1022,1040,1757,1781]" name="Tavera, Department of Geology and Geophysics" pageId="21" pageNumber="22">T</collectionCode>
m, Kanosh Formation (Dapingian;
<taxonomicName id="74D09EEC5D7E9F3563F0F8A6FE3A6709" authority="Zone" authorityName="Zone" box="[151,504,1793,1817]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7E9F3563F0F8A6FE706709" box="[151,434,1793,1817]" italics="true" pageId="21" pageNumber="22">Pseudoolenoides dilectus</emphasis>
Zone
</taxonomicName>
), southern Confusion Range, Ibex area, Millard County, western
<collectingRegion id="71142B8D5D7E9F3567B7F8A6FACB6709" box="[1232,1289,1793,1817]" country="United States of America" name="Utah" pageId="21" pageNumber="22">Utah</collectingRegion>
,
<collectingCountry id="CBC7A5FF5D7E9F356673F8A6FA926709" box="[1300,1360,1793,1817]" name="United States of America" pageId="21" pageNumber="22">USA</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="FBCAB6E45D7E9F3563A0F883FEA167B7" pageId="21" pageNumber="22" type="diagnosis">
<paragraph id="B36FE56F5D7E9F3563A0F883FEA167B7" blockId="21.[151,1436,1721,2030]" pageId="21" pageNumber="22">
<emphasis id="81A4397D5D7E9F3563A0F883FE83672D" bold="true" box="[199,321,1828,1853]" inLineHeading="true" pageId="21" pageNumber="22" reason="1">Diagnosis.</emphasis>
Faint raised arc of sculpture on librigenal field but not continued across facial suture onto frontal area; glabella with subdued tuberculate sculpture; thorax of nine segments; pygidium incorporating one unreleased thoracic segment, terminal piece showing distinct segmentation; posteromedian spine very short and nearly ventrally directed.
</paragraph>
</subSubSection>
<subSubSection id="FBCAB6E45D7E9F3663A0F815FECE6367" lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22" type="discussion">
<paragraph id="B36FE56F5D7E9F3663A0F815FBA561B9" blockId="21.[151,1436,1721,2030]" lastBlockId="22.[151,1440,151,887]" lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22">
<emphasis id="81A4397D5D7E9F3563A0F815FE8E67DB" bold="true" box="[199,332,1970,1995]" inLineHeading="true" pageId="21" pageNumber="22" reason="1">Discussion.</emphasis>
In addition to
<bibRefCitation id="D741989E5D7E9F356291F814FD6367DB" author="Hintze, L. F." box="[502,673,1971,1995]" pageId="21" pageNumber="22" pagination="1 - 249" refId="ref34445" refString="Hintze, L. F. (1953) Lower Ordovician trilobites from western Utah and eastern Nevada. Utah Geological and Mineralogical Survey Bulletin, 48, 1 - 249. (for 1952)" type="journal article" year="1953">Hintze's (1953)</bibRefCitation>
<typeStatus id="6C6B5BCD5D7E9F3561CFF814FCC867DB" box="[680,778,1971,1995]" pageId="21" pageNumber="22" type="holotype">holotype</typeStatus>
specimen from Section J, he assigned two large cranidia, a hypostome, and two pygidia from Section K-South 1.5T m. While there is no reason to doubt these assignments, we have not encountered the species in our resampling of this horizon. Instead we have found very common
<taxonomicName id="74D09EEC5D7D9F3666E0FF3EFECF60C4" baseAuthorityName="Hintze" baseAuthorityYear="1953" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="ludificatus">
<emphasis id="81A4397D5D7D9F3666E0FF3EFECF60C4" italics="true" pageId="22" pageNumber="23">P. ludificatus</emphasis>
</taxonomicName>
(which Hintze also found in profusion) and
<taxonomicName id="74D09EEC5D7D9F366043FF1BFC1A60C3" authorityName="Adrain &amp; Karim" authorityYear="2012" box="[804,984,188,211]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="pogonipensis">
<emphasis id="81A4397D5D7D9F366043FF1BFC1A60C3" box="[804,984,188,211]" italics="true" pageId="22" pageNumber="23">P. pogonipensis</emphasis>
</taxonomicName>
(which Hintze did not find). We did encounter three pygidia which are similar in morphology to those of
<taxonomicName id="74D09EEC5D7D9F3660F8FF47FBD060E7" box="[927,1042,223,247]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7D9F3660F8FF47FBD060E7" box="[927,1042,223,247]" italics="true" pageId="22" pageNumber="23">P. dilectus</emphasis>
</taxonomicName>
, but they seem clearly to represent a different, related species (see
<taxonomicName id="74D09EEC5D7D9F366298FEA4FC83610B" box="[511,833,258,283]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7D9F366298FEA4FD7F610B" box="[511,701,259,283]" italics="true" pageId="22" pageNumber="23">Pseudoolenoides</emphasis>
cf.
<emphasis id="81A4397D5D7D9F36618DFEA4FC83610B" box="[746,833,259,283]" italics="true" pageId="22" pageNumber="23">dilectus</emphasis>
</taxonomicName>
below). It is difficult to explain this discrepancy, as the fauna we retrieved from K-South 1.5T m in all other respects matches that reported by Hintze, and there is no question that we sampled the same bed in the same place. As explained above, however, the bed is not in outcrop but rather represented by small talus lumps strewn in place along strike. Sclerites of
<taxonomicName id="74D09EEC5D7D9F36670BFEC9FB276196" box="[1132,1253,366,390]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7D9F36670BFEC9FB276196" box="[1132,1253,366,390]" italics="true" pageId="22" pageNumber="23">P. dilectus</emphasis>
</taxonomicName>
must have been restricted to one or a few small lumps removed by Hintze during the original sampling.
</paragraph>
<paragraph id="B36FE56F5D7D9F3663A0FE12FEED62F9" blockId="22.[151,1440,151,887]" pageId="22" pageNumber="23">
<taxonomicName id="74D09EEC5D7D9F3663A0FE12FE2061DD" box="[199,482,437,461]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7D9F3663A0FE12FE2061DD" box="[199,482,437,461]" italics="true" pageId="22" pageNumber="23">Pseudoolenoides dilectus</emphasis>
</taxonomicName>
is the oldest species of the derived group, and is retrieved as the basal member of that group by parsimony analysis (
<figureCitation id="2BEBF9EA5D7D9F366296FE7FFDFA61E0" box="[497,568,472,496]" captionStart="FIGURE 3" captionStartId="5.[151,250,1810,1833]" captionTargetBox="[151,1434,1397,1770]" captionTargetId="figure-778@5.[148,1434,1397,1774]" captionTargetPageId="5" captionText="FIGURE 3. Single most parsimonious tree resulting from analysis of the matrix of Table 1. Length = 36; c.i. = 0.91; r.i. = 0.95. Open circles are characters containing homoplasy. Character optimizations are shown carried out under the ACCTRAN assumption. Upper values at nodes are Bremer support values. Lower values at nodes are bootstrapping GC scores." pageId="22" pageNumber="23">Fig. 3</figureCitation>
). It retains only a single unreleased thoracic segment in a pygidium that is otherwise quite comparable to that of
<taxonomicName id="74D09EEC5D7D9F366159FE5AFD0D6204" baseAuthorityName="Hintze" baseAuthorityYear="1953" box="[574,719,508,532]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="ludificatus">
<emphasis id="81A4397D5D7D9F366159FE5AFD0D6204" box="[574,719,508,532]" italics="true" pageId="22" pageNumber="23">P. ludificatus</emphasis>
</taxonomicName>
.
<taxonomicName id="74D09EEC5D7D9F366183FE5BFC3D6204" box="[740,1023,508,532]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7D9F366183FE5BFC3D6204" box="[740,1023,508,532]" italics="true" pageId="22" pageNumber="23">Pseudoolenoides dilectus</emphasis>
</taxonomicName>
is distinguished from all of the other species of the derived group in the lack of a raised line across the frontal area, retention of a standard deep and uninterrupted librigenal lateral border furrow, retention of only one versus four or five unreleased pygidial segments, and retention of a pygidial axis of normal, parallel-sided shape, which is fully circumscribed posteriorly and well elevated above the post-axial region. It shares with this derived group a suite of 11 synapomorphies (see
<figureCitation id="2BEBF9EA5D7D9F3663F0FD09FF1A62D6" box="[151,216,686,710]" captionStart="FIGURE 3" captionStartId="5.[151,250,1810,1833]" captionTargetBox="[151,1434,1397,1770]" captionTargetId="figure-778@5.[148,1434,1397,1774]" captionTargetPageId="5" captionText="FIGURE 3. Single most parsimonious tree resulting from analysis of the matrix of Table 1. Length = 36; c.i. = 0.91; r.i. = 0.95. Open circles are characters containing homoplasy. Character optimizations are shown carried out under the ACCTRAN assumption. Upper values at nodes are Bremer support values. Lower values at nodes are bootstrapping GC scores." pageId="22" pageNumber="23">Fig. 3</figureCitation>
and
<tableCitation id="FE52D0D45D7D9F366268FD09FEA262D6" box="[271,352,686,710]" captionStart="TABLE 1" captionStartId="5.[151,241,692,716]" captionText="TABLE 1. Taxon-character matrix for cladistic analysis of Pseudoolenoides. A new species of Acidiphorus Raymond, 1925, was used as the outgroup. See text for discussion and Figure 3 for results of analysis." pageId="22" pageNumber="23">Table 1</tableCitation>
) which serve to distinguish it from the plesiomorphic species
<taxonomicName id="74D09EEC5D7D9F36677AFD08FB6562D6" authorityName="Fortey and Droser" authorityYear="1996" box="[1053,1191,687,710]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="aspinosus">
<emphasis id="81A4397D5D7D9F36677AFD08FB6562D6" box="[1053,1191,687,710]" italics="true" pageId="22" pageNumber="23">P. aspinosus</emphasis>
</taxonomicName>
,
<taxonomicName id="74D09EEC5D7D9F3667D1FD08FAA762D6" authorityName="Adrain &amp; Karim" authorityYear="2012" box="[1206,1381,687,710]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="pogonipensis">
<emphasis id="81A4397D5D7D9F3667D1FD08FAA762D6" box="[1206,1381,687,710]" italics="true" pageId="22" pageNumber="23">P. pogonipensis</emphasis>
</taxonomicName>
, and
<taxonomicName id="74D09EEC5D7D9F3663F0FD75FEEA62F9" baseAuthorityName="Hintze" baseAuthorityYear="1953" box="[151,296,721,745]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="ludificatus">
<emphasis id="81A4397D5D7D9F3663F0FD75FEEA62F9" box="[151,296,721,745]" italics="true" pageId="22" pageNumber="23">P. ludificatus</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="B36FE56F5D7D9F3663A0FD51FECE6367" blockId="22.[151,1440,151,887]" pageId="22" pageNumber="23">
<bibRefCitation id="D741989E5D7D9F3663A0FD51FE8A631D" author="Ross, R. J., Jr." box="[199,328,757,781]" pageId="22" pageNumber="23" pagination="1 - 161" refId="ref34881" refString="Ross, R. J., Jr. (1951) Stratigraphy of the Garden City Formation in northeastern Utah, and its trilobite faunas. Peabody Museum of Natural History, Yale University, Bulletin, 6, 1 - 161." type="journal article" year="1951">Ross (1951</bibRefCitation>
, pl. 15, figs 16–18) illustrated three cranidia of a species of
<taxonomicName id="74D09EEC5D7D9F366080FD52FB67631D" authorityName="Hintze" authorityYear="1953" box="[999,1189,757,781]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="22" pageNumber="23" phylum="Arthropoda" rank="genus">
<emphasis id="81A4397D5D7D9F366080FD52FB67631D" box="[999,1189,757,781]" italics="true" pageId="22" pageNumber="23">Pseudoolenoides</emphasis>
</taxonomicName>
from two localities in the Swan Peak Formation in southeastern
<collectingRegion id="71142B8D5D7D9F366108FCBFFD6C6320" box="[623,686,792,816]" country="United States of America" name="Idaho" pageId="22" pageNumber="23">Idaho</collectingRegion>
and northern
<collectingRegion id="71142B8D5D7D9F36602BFCBFFC446320" box="[844,902,792,816]" country="United States of America" name="Utah" pageId="22" pageNumber="23">Utah</collectingRegion>
. As recognized by
<bibRefCitation id="D741989E5D7D9F366704FCBFFB3A6320" author="Hintze, L. F." box="[1123,1272,792,816]" pageId="22" pageNumber="23" pagination="1 - 249" refId="ref34445" refString="Hintze, L. F. (1953) Lower Ordovician trilobites from western Utah and eastern Nevada. Utah Geological and Mineralogical Survey Bulletin, 48, 1 - 249. (for 1952)" type="journal article" year="1953">Hintze (1953</bibRefCitation>
, p. 226), these most likely represent
<taxonomicName id="74D09EEC5D7D9F3662EFFC9AFE386344" box="[392,506,828,852]" class="Trilobita" family="Bathyuridae" genus="Pseudoolenoides" kingdom="Animalia" order="Proetida" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="dilectus">
<emphasis id="81A4397D5D7D9F3662EFFC9AFE386344" box="[392,506,828,852]" italics="true" pageId="22" pageNumber="23">P. dilectus</emphasis>
</taxonomicName>
, though more material, particularly of other exoskeletal parts, would be required to be certain.
</paragraph>
</subSubSection>
</treatment>
</document>
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