449 lines
73 KiB
XML
449 lines
73 KiB
XML
<document id="EFE87401CCD61E96328CDB2F16B62FBB" ID-CLB-Dataset="93239" ID-DOI="10.11646/zootaxa.5162.4.1" ID-GBIF-Dataset="7d343017-483e-43be-9439-d06e748fc54e" ID-ISSN="1175-5326" ID-Zenodo-Dep="6810290" ID-ZooBank="DD2279FA-E8F1-4951-A5CA-91082E875580" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1657270124299" checkinUser="plazi" docAuthor="Fortey, Richard A., Wernette, Shelly J. & Hughes, Nigel C." docDate="2022" docId="03CB87846E7F1D24FF3AC1DA4F38F3D5" docLanguage="en" docName="zootaxa.5162.4.1.pdf" docOrigin="Zootaxa 5162 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Parillaenus liluensis" docType="treatment" docVersion="7" lastPageNumber="345" masterDocId="FFF2FFFC6E551D08FFADC4414A1BF54C" masterDocTitle="Revision of F. R. C. Reed’s Ordovician trilobite types from Myanmar (Burma) and western Yunnan Province, China" masterLastPageNumber="356" masterPageNumber="301" pageNumber="343" updateTime="1699356965331" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="C19E02CF91A861D10B2F4363A41D2153">Revision of F. R. C. Reed’s Ordovician trilobite types from Myanmar (Burma) and western Yunnan Province, China</mods:title>
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<mods:name id="3B839F7B56319E3A9636773D9C4E2EB7" type="personal">
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<mods:namePart id="45ACC3BC8C3BE575B20763139BA253C2">Fortey, Richard A.</mods:namePart>
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<mods:affiliation id="1897E6ED072BF4329DE06B931810D005">Department of Earth Sciences, Museum of Natural History, Cromwell Road, London, SW 7 5 BD, UK.</mods:affiliation>
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<mods:namePart id="EDCBAD8399B5A3B2C5E1F7502835B204">Wernette, Shelly J.</mods:namePart>
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<mods:affiliation id="B3AA9A48D66DAD3D2153D75B44FC0415">Department of Earth and Planetary Sciences, University of California, Riverside, CA 92521, USA. & Department of Geography and Environmental Studies, Texas State University, San Marcos, TX 78666, USA</mods:affiliation>
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<mods:namePart id="C1563E8D8BF59C0A42F0231B77B1ACD7">Hughes, Nigel C.</mods:namePart>
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<mods:title id="AFBD4ED61C8BA19E8666709F2C37FD85">Zootaxa</mods:title>
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<mods:date id="AD40F76DE4235E8E9C59494918373C0E">2022</mods:date>
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<mods:number id="FB7784617BE9AB10D55E9DD6E9072C22">2022-07-08</mods:number>
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<mods:number id="0FE350504CBB0B7E956E08CCC97E4027">5162</mods:number>
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<treatment id="03CB87846E7F1D24FF3AC1DA4F38F3D5" ID-DOI="http://doi.org/10.5281/zenodo.6816354" ID-GBIF-Taxon="197214794" ID-Zenodo-Dep="6816354" LSID="urn:lsid:plazi:treatment:03CB87846E7F1D24FF3AC1DA4F38F3D5" httpUri="http://treatment.plazi.org/id/03CB87846E7F1D24FF3AC1DA4F38F3D5" lastPageId="44" lastPageNumber="345" pageId="42" pageNumber="343">
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<subSubSection id="C37865196E7F1D22FF3AC1DA4828F0FA" box="[151,563,1435,1462]" pageId="42" pageNumber="343" type="nomenclature">
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<paragraph id="8BDD36926E7F1D22FF3AC1DA4828F0FA" blockId="42.[151,563,1435,1498]" box="[151,563,1435,1462]" pageId="42" pageNumber="343">
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<heading id="D09581FE6E7F1D22FF3AC1DA4828F0FA" bold="true" box="[151,563,1435,1462]" fontSize="11" level="1" pageId="42" pageNumber="343" reason="1">
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<taxonomicName id="4C624D116E7F1D22FF3AC1DA4828F0FA" authority="(Reed, 1915)" baseAuthorityName="Reed" baseAuthorityYear="1915" box="[151,563,1435,1462]" class="Trilobita" family="Illaenidae" genus="Parillaenus" kingdom="Animalia" order="Corynexochida" pageId="42" pageNumber="343" phylum="Arthropoda" rank="species" species="liluensis">
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<emphasis id="B916EA806E7F1D22FF3AC1DA4828F0FA" bold="true" box="[151,563,1435,1462]" pageId="42" pageNumber="343">
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<emphasis id="B916EA806E7F1D22FF3AC1DA4B8BF0FA" bold="true" box="[151,400,1435,1462]" italics="true" pageId="42" pageNumber="343">Parillaenus liluensis</emphasis>
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||
(
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<bibRefCitation id="EFF34B636E7F1D22FE32C1DD4830F0FA" author="Reed, F. R. C." box="[415,555,1436,1462]" pageId="42" pageNumber="343" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed, 1915</bibRefCitation>
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)
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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="C37865196E7F1D22FF3AC1814998F377" pageId="42" pageNumber="343" type="description">
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<paragraph id="8BDD36926E7F1D22FF3AC1814B00F096" blockId="42.[151,563,1435,1498]" box="[151,283,1472,1498]" pageId="42" pageNumber="343">
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<figureCitation id="13592A176E7F1D22FF3AC1814B00F096" box="[151,283,1472,1498]" captionStart="FIGURE 14" captionStartId="46.[151,250,1590,1614]" captionTargetBox="[217,1370,181,1562]" captionTargetId="figure-29@46.[217,1370,181,1567]" captionTargetPageId="46" captionText="FIGURE 14. (1–7) Parillaenus liluensis (Reed) from the Li-Lu formation (Katian), Lilu, northern Shan State, Myanmar. 1. Cranidium (original of Reed 1915, pl. 7, fig. 10), GSI 11541. 2. Cranidium (original of Reed 1915, pl. 7, fig. 12), GSI 11543. 3. Cranidium (refigured from Reed 1915, pl. 7, fig. 4), GSI 11536. 4. Pygidium and partial thorax (refigured from reed 1915 Pl. 7, fig. 7), GSI 11538. 5. Complete specimen (refigured from Reed 1915, pl. 7, fig. 5), GSI 11537. 6. Complete specimen (original of Reed 1915, pl. 7, fig. 5), GSI 11537. 7. Hypostome (refigured from Reed 1915, pl. 7, fig. 6), GSI 11537. (8, 11) Illaenus sp. 2 (Reed) from the Shihtien Formation (Darriwilian, Banpo Village, Shidian County, Baoshan Prefecture, western Yunnan, China. 8. Pygidium (original of Reed 1917, pl. 7, fig. 12), GSI 11901. 11. Cranidium (original of Reed 1917, pl. 7, fig. 13), GSI 11902. (9, 10) Illaenus sp. 1 (Reed) from the Hwe Mawng Beds (uppermost Katian) and Li-Lu Formation (Katian), northern Shan State, Myanmar. 9. Cranidium (original of Reed 1915, pl. 7, fig. 8), GSI 11539, Hwe Mawng. 10. Cranidium (original of Reed 1915, pl. 7, fig. 9), GSI 11540, Mân-ngai. (12) Illaenus sp. 3 (Reed), Cranidium (original of Reed 1917, pl. 8, fig. 1), GSI 11905, Shihtien Formation (Darriwilian), Pupiao, Baoshan Prefecture, western Yunnan, China. Scale bar = 1 mm for 1, 2, 7; = 5 mm for 3, 8–12; = 2 mm for 4–6." figureDoi="http://doi.org/10.5281/zenodo.6810330" httpUri="https://zenodo.org/record/6810330/files/figure.png" pageId="42" pageNumber="343">Figs 14.1–7</figureCitation>
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</paragraph>
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<paragraph id="8BDD36926E7F1D22FF3AC2454925F351" blockId="42.[151,899,1540,1595]" box="[151,830,1540,1565]" pageId="42" pageNumber="343">
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1915
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<taxonomicName id="4C624D116E7F1D22FF5AC2454BB8F350" authority="Fortey & Wernette & Hughes, 2022" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" box="[247,419,1540,1564]" class="Trilobita" family="Illaenidae" genus="Illaenus" kingdom="Animalia" order="Corynexochida" pageId="42" pageNumber="343" phylum="Arthropoda" rank="species" species="liluensis" status="sp. nov.">
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<emphasis id="B916EA806E7F1D22FF5AC2454BB8F350" box="[247,419,1540,1564]" italics="true" pageId="42" pageNumber="343">Illaenus liluensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A22557FB6E7F1D22FE07C2444BE0F350" box="[426,507,1541,1564]" pageId="42" pageNumber="343" rank="species">sp. nov.</taxonomicNameLabel>
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; Reed, p. 37–38, pl. 7, figs 4–7.
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</paragraph>
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<paragraph id="8BDD36926E7F1D22FF3AC2624998F377" blockId="42.[151,899,1540,1595]" box="[151,899,1571,1595]" pageId="42" pageNumber="343">
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1915
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<taxonomicName id="4C624D116E7F1D22FF5AC2624BCBF377" authority="Fortey & Wernette & Hughes, 2022" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" box="[247,464,1571,1595]" class="Trilobita" family="Alsataspididae" genus="Holometopus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Asaphida" pageId="42" pageNumber="343" phylum="Arthropoda" rank="species" species="wimani" status="sp. nov.">
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<emphasis id="B916EA806E7F1D22FF5AC2624BCBF377" box="[247,464,1571,1595]" italics="true" pageId="42" pageNumber="343">Holometopus wimani</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A22557FB6E7F1D22FE7BC265483CF377" box="[470,551,1572,1595]" pageId="42" pageNumber="343" rank="species">sp. nov.</taxonomicNameLabel>
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; Reed, p. 39–40, pl. 7, figs 10–12.
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C37865196E7F1D22FF3AC2284873F2EF" pageId="42" pageNumber="343" type="materials_examined">
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<paragraph id="8BDD36926E7F1D22FF3AC2284873F2EF" blockId="42.[151,1436,1641,1956]" pageId="42" pageNumber="343">
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<emphasis id="B916EA806E7F1D22FF3AC2284B1DF3CF" bold="true" box="[151,262,1641,1667]" pageId="42" pageNumber="343">Material.</emphasis>
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<typeStatus id="54D988306E7F1D22FEA2C22B4B64F3C8" box="[271,383,1642,1668]" pageId="42" pageNumber="343" type="lectotype">Lectotype</typeStatus>
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(selected herein); cranidium from Nam Tu above Lilu,
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<figureCitation id="13592A176E7F1D22FBADC2284E7CF3CF" box="[1024,1127,1641,1667]" captionStart="FIGURE 14" captionStartId="46.[151,250,1590,1614]" captionTargetBox="[217,1370,181,1562]" captionTargetId="figure-29@46.[217,1370,181,1567]" captionTargetPageId="46" captionText="FIGURE 14. (1–7) Parillaenus liluensis (Reed) from the Li-Lu formation (Katian), Lilu, northern Shan State, Myanmar. 1. Cranidium (original of Reed 1915, pl. 7, fig. 10), GSI 11541. 2. Cranidium (original of Reed 1915, pl. 7, fig. 12), GSI 11543. 3. Cranidium (refigured from Reed 1915, pl. 7, fig. 4), GSI 11536. 4. Pygidium and partial thorax (refigured from reed 1915 Pl. 7, fig. 7), GSI 11538. 5. Complete specimen (refigured from Reed 1915, pl. 7, fig. 5), GSI 11537. 6. Complete specimen (original of Reed 1915, pl. 7, fig. 5), GSI 11537. 7. Hypostome (refigured from Reed 1915, pl. 7, fig. 6), GSI 11537. (8, 11) Illaenus sp. 2 (Reed) from the Shihtien Formation (Darriwilian, Banpo Village, Shidian County, Baoshan Prefecture, western Yunnan, China. 8. Pygidium (original of Reed 1917, pl. 7, fig. 12), GSI 11901. 11. Cranidium (original of Reed 1917, pl. 7, fig. 13), GSI 11902. (9, 10) Illaenus sp. 1 (Reed) from the Hwe Mawng Beds (uppermost Katian) and Li-Lu Formation (Katian), northern Shan State, Myanmar. 9. Cranidium (original of Reed 1915, pl. 7, fig. 8), GSI 11539, Hwe Mawng. 10. Cranidium (original of Reed 1915, pl. 7, fig. 9), GSI 11540, Mân-ngai. (12) Illaenus sp. 3 (Reed), Cranidium (original of Reed 1917, pl. 8, fig. 1), GSI 11905, Shihtien Formation (Darriwilian), Pupiao, Baoshan Prefecture, western Yunnan, China. Scale bar = 1 mm for 1, 2, 7; = 5 mm for 3, 8–12; = 2 mm for 4–6." figureDoi="http://doi.org/10.5281/zenodo.6810330" httpUri="https://zenodo.org/record/6810330/files/figure.png" pageId="42" pageNumber="343">Fig. 14.3</figureCitation>
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(
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<bibRefCitation id="EFF34B636E7F1D22FBDAC2284EE5F3C8" author="Reed, F. R. C." box="[1143,1278,1641,1668]" pageId="42" pageNumber="343" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed, 1915</bibRefCitation>
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, pl. 7, fig. 4),
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<collectionCode id="ED73AE576E7F1D22FF3AC2CC4ADFF3EB" box="[151,196,1677,1703]" country="India" httpUri="http://grbio.org/cool/jprb-qxkv" name="Geological Survey of India" pageId="42" pageNumber="343">GSI</collectionCode>
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11536. Other Material: Complete dorsal skeleton from Lilu,
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<figureCitation id="13592A176E7F1D22FCC2C2CC49C2F3E4" box="[879,985,1677,1704]" captionStart="FIGURE 14" captionStartId="46.[151,250,1590,1614]" captionTargetBox="[217,1370,181,1562]" captionTargetId="figure-29@46.[217,1370,181,1567]" captionTargetPageId="46" captionText="FIGURE 14. (1–7) Parillaenus liluensis (Reed) from the Li-Lu formation (Katian), Lilu, northern Shan State, Myanmar. 1. Cranidium (original of Reed 1915, pl. 7, fig. 10), GSI 11541. 2. Cranidium (original of Reed 1915, pl. 7, fig. 12), GSI 11543. 3. Cranidium (refigured from Reed 1915, pl. 7, fig. 4), GSI 11536. 4. Pygidium and partial thorax (refigured from reed 1915 Pl. 7, fig. 7), GSI 11538. 5. Complete specimen (refigured from Reed 1915, pl. 7, fig. 5), GSI 11537. 6. Complete specimen (original of Reed 1915, pl. 7, fig. 5), GSI 11537. 7. Hypostome (refigured from Reed 1915, pl. 7, fig. 6), GSI 11537. (8, 11) Illaenus sp. 2 (Reed) from the Shihtien Formation (Darriwilian, Banpo Village, Shidian County, Baoshan Prefecture, western Yunnan, China. 8. Pygidium (original of Reed 1917, pl. 7, fig. 12), GSI 11901. 11. Cranidium (original of Reed 1917, pl. 7, fig. 13), GSI 11902. (9, 10) Illaenus sp. 1 (Reed) from the Hwe Mawng Beds (uppermost Katian) and Li-Lu Formation (Katian), northern Shan State, Myanmar. 9. Cranidium (original of Reed 1915, pl. 7, fig. 8), GSI 11539, Hwe Mawng. 10. Cranidium (original of Reed 1915, pl. 7, fig. 9), GSI 11540, Mân-ngai. (12) Illaenus sp. 3 (Reed), Cranidium (original of Reed 1917, pl. 8, fig. 1), GSI 11905, Shihtien Formation (Darriwilian), Pupiao, Baoshan Prefecture, western Yunnan, China. Scale bar = 1 mm for 1, 2, 7; = 5 mm for 3, 8–12; = 2 mm for 4–6." figureDoi="http://doi.org/10.5281/zenodo.6810330" httpUri="https://zenodo.org/record/6810330/files/figure.png" pageId="42" pageNumber="343">Figs 14.5</figureCitation>
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,
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<figureCitation id="13592A176E7F1D22FC73C2CC49F7F3E4" box="[990,1004,1677,1704]" captionStart="FIGURE 6" captionStartId="19.[151,250,1801,1825]" captionTargetBox="[199,1388,181,1777]" captionTargetId="figure-18@19.[199,1388,181,1777]" captionTargetPageId="19" captionText="FIGURE 6. Birmanites birmanicus (Reed) from the Hwe Mawng Beds (uppermost Katian), northern Shan State, Myanmar. 1. Hypostome (original of Reed 1915, pl. 5, fig. 17), GSI 11519, Hwe Mawng. 2a, b. Cephalon (original of Reed 1915, pl. 6, fig. 2), GSI 11522, Hwe Mawng, original and retrodeformation. 3. Partial specimen (original of Reed 1915, pl. 6, fig. 3), GSI 11523, Hpakhi. 4a, b. Pygidium (original of Reed 1915, pl. 6, fig. 4), GSI 11524, Hwe Mawng, original and retrodeformation. 5. Cranidium (original of Reed 1915, pl. 7, fig. 2), GSI 11534, Hpakhi. 6. Partial specimen (original of Reed 1915, pl. 5, figs 15,16), GSI 11518, Hpakhi. Scale bars = 2 mm for 1; = 5 mm for 2–6." figureDoi="http://doi.org/10.5281/zenodo.6810306" httpUri="https://zenodo.org/record/6810306/files/figure.png" pageId="42" pageNumber="343">6</figureCitation>
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(
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<bibRefCitation id="EFF34B636E7F1D22FC56C2CC4E64F3E4" author="Reed, F. R. C." box="[1019,1151,1677,1704]" pageId="42" pageNumber="343" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed, 1915</bibRefCitation>
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, pl. 7, fig. 5),
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<collectionCode id="ED73AE576E7F1D22FAB6C2CC4F53F3EB" box="[1307,1352,1677,1703]" country="India" httpUri="http://grbio.org/cool/jprb-qxkv" name="Geological Survey of India" pageId="42" pageNumber="343">GSI</collectionCode>
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11537; cranidium from Lilu,
|
||
<figureCitation id="13592A176E7F1D22FE26C2F04BFAF387" box="[395,481,1713,1739]" captionStart="FIGURE 8" captionStartId="22.[151,250,1587,1611]" captionTargetBox="[273,1314,181,1563]" captionTargetId="figure-29@22.[273,1314,181,1563]" captionTargetPageId="22" captionText="FIGURE 8. (1–6) Birmanites yunnanensis (Reed) from the Shihtien Formation (Darriwilian), Pupiao, Baoshan Prefecture, western Yunnan, China. 1. Librigena (original of Reed 1917, pl. 7, fig. 3), GSI 11892. 2. Pygidium (original of Reed 1917, pl. 7, fig. 6), GSI 11895. 3. Pygidium (original of Reed 1917, pl. 7, fig. 8), GSI 11897. 4. Librigena (original of Reed 1917, pl. 7, fig. 5), GSI 11894. 5. Articulated specimen (original of Reed 1917, pl. 6, fig. 12), GSI 11887. 6. Cephalon (original of Reed 1917, pl. 6, fig. 14), GSI 11889. (7, 10) Remopleuriidae gen. et sp. indet. (Reed) from the Shihtien Formation (Darriwilian), Pupiao, Baoshan Prefecture, western Yunnan, China. 7. Cranidium, (original of Reed 1917, pl. 6, fig. 9), GSI 11884. 10. Librigena (original of Reed 1917, pl. 6, fig. 10), GSI 11885. (8) Dolerobasilicus? sp. (Reed), Pygidium (original of Reed 1915, pl. 7, fig. 3), GSI 11535, Lower Naungkangyi Beds, Nawa, northern Shan State, Myanmar. (9) Nileus sp., Hypostome (original of Reed 1917, pl. 8, fig. 5), GSI 11904, Shihtien Formation (Darriwilian), Pupiao, Baoshan Prefecture, western Yunnan, China. (11, 12) Niobe sp. (Reed). 11a, b. Pygidium (original of Reed 1915, pl. 5, fig. 14), GSI 11516, Hwe Mawng Beds (uppermost Katian), Nati, northern part of Shan State, Myanmar, original and retrodeformation. 12. Pygidium (original of Reed 1917, pl. 6, fig. 11), GSI 11886, Shihtien Formation (Darriwilian), Shidian, Baoshan Prefecture, western Yunnan, China. Scale bars = 5 mm for 1–6, 8, 9; = 2 mm for 7, 10–12)" figureDoi="http://doi.org/10.5281/zenodo.6810312" httpUri="https://zenodo.org/record/6810312/files/figure.png" pageId="42" pageNumber="343">Fig. 8.8</figureCitation>
|
||
(
|
||
<bibRefCitation id="EFF34B636E7F1D22FE5DC2F0486EF380" author="Reed, F. R. C." box="[496,629,1713,1740]" pageId="42" pageNumber="343" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed, 1915</bibRefCitation>
|
||
, pl. 7, fig. 12),
|
||
<collectionCode id="ED73AE576E7F1D22FC8CC2F04955F387" box="[801,846,1713,1739]" country="India" httpUri="http://grbio.org/cool/jprb-qxkv" name="Geological Survey of India" pageId="42" pageNumber="343">GSI</collectionCode>
|
||
115432; cranidia from Lilu,
|
||
<figureCitation id="13592A176E7F1D22FB39C2F04EE3F387" box="[1172,1272,1713,1739]" captionStart="FIGURE 14" captionStartId="46.[151,250,1590,1614]" captionTargetBox="[217,1370,181,1562]" captionTargetId="figure-29@46.[217,1370,181,1567]" captionTargetPageId="46" captionText="FIGURE 14. (1–7) Parillaenus liluensis (Reed) from the Li-Lu formation (Katian), Lilu, northern Shan State, Myanmar. 1. Cranidium (original of Reed 1915, pl. 7, fig. 10), GSI 11541. 2. Cranidium (original of Reed 1915, pl. 7, fig. 12), GSI 11543. 3. Cranidium (refigured from Reed 1915, pl. 7, fig. 4), GSI 11536. 4. Pygidium and partial thorax (refigured from reed 1915 Pl. 7, fig. 7), GSI 11538. 5. Complete specimen (refigured from Reed 1915, pl. 7, fig. 5), GSI 11537. 6. Complete specimen (original of Reed 1915, pl. 7, fig. 5), GSI 11537. 7. Hypostome (refigured from Reed 1915, pl. 7, fig. 6), GSI 11537. (8, 11) Illaenus sp. 2 (Reed) from the Shihtien Formation (Darriwilian, Banpo Village, Shidian County, Baoshan Prefecture, western Yunnan, China. 8. Pygidium (original of Reed 1917, pl. 7, fig. 12), GSI 11901. 11. Cranidium (original of Reed 1917, pl. 7, fig. 13), GSI 11902. (9, 10) Illaenus sp. 1 (Reed) from the Hwe Mawng Beds (uppermost Katian) and Li-Lu Formation (Katian), northern Shan State, Myanmar. 9. Cranidium (original of Reed 1915, pl. 7, fig. 8), GSI 11539, Hwe Mawng. 10. Cranidium (original of Reed 1915, pl. 7, fig. 9), GSI 11540, Mân-ngai. (12) Illaenus sp. 3 (Reed), Cranidium (original of Reed 1917, pl. 8, fig. 1), GSI 11905, Shihtien Formation (Darriwilian), Pupiao, Baoshan Prefecture, western Yunnan, China. Scale bar = 1 mm for 1, 2, 7; = 5 mm for 3, 8–12; = 2 mm for 4–6." figureDoi="http://doi.org/10.5281/zenodo.6810330" httpUri="https://zenodo.org/record/6810330/files/figure.png" pageId="42" pageNumber="343">Fig. 14.1</figureCitation>
|
||
and unfigured here (
|
||
<bibRefCitation id="EFF34B636E7F1D22FF75C2944B45F3BC" author="Reed, F. R. C." box="[216,350,1749,1776]" pageId="42" pageNumber="343" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed, 1915</bibRefCitation>
|
||
, pl. 7, figs 10,11),
|
||
<collectionCode id="ED73AE576E7F1D22FD9AC294487FF3A3" box="[567,612,1749,1775]" country="India" httpUri="http://grbio.org/cool/jprb-qxkv" name="Geological Survey of India" pageId="42" pageNumber="343">GSI</collectionCode>
|
||
11541-2 respectively; pygidium with partial thorax from Lilu,
|
||
<figureCitation id="13592A176E7F1D22FA9BC2944F87F3A3" box="[1334,1436,1749,1775]" captionStart="FIGURE 14" captionStartId="46.[151,250,1590,1614]" captionTargetBox="[217,1370,181,1562]" captionTargetId="figure-29@46.[217,1370,181,1567]" captionTargetPageId="46" captionText="FIGURE 14. (1–7) Parillaenus liluensis (Reed) from the Li-Lu formation (Katian), Lilu, northern Shan State, Myanmar. 1. Cranidium (original of Reed 1915, pl. 7, fig. 10), GSI 11541. 2. Cranidium (original of Reed 1915, pl. 7, fig. 12), GSI 11543. 3. Cranidium (refigured from Reed 1915, pl. 7, fig. 4), GSI 11536. 4. Pygidium and partial thorax (refigured from reed 1915 Pl. 7, fig. 7), GSI 11538. 5. Complete specimen (refigured from Reed 1915, pl. 7, fig. 5), GSI 11537. 6. Complete specimen (original of Reed 1915, pl. 7, fig. 5), GSI 11537. 7. Hypostome (refigured from Reed 1915, pl. 7, fig. 6), GSI 11537. (8, 11) Illaenus sp. 2 (Reed) from the Shihtien Formation (Darriwilian, Banpo Village, Shidian County, Baoshan Prefecture, western Yunnan, China. 8. Pygidium (original of Reed 1917, pl. 7, fig. 12), GSI 11901. 11. Cranidium (original of Reed 1917, pl. 7, fig. 13), GSI 11902. (9, 10) Illaenus sp. 1 (Reed) from the Hwe Mawng Beds (uppermost Katian) and Li-Lu Formation (Katian), northern Shan State, Myanmar. 9. Cranidium (original of Reed 1915, pl. 7, fig. 8), GSI 11539, Hwe Mawng. 10. Cranidium (original of Reed 1915, pl. 7, fig. 9), GSI 11540, Mân-ngai. (12) Illaenus sp. 3 (Reed), Cranidium (original of Reed 1917, pl. 8, fig. 1), GSI 11905, Shihtien Formation (Darriwilian), Pupiao, Baoshan Prefecture, western Yunnan, China. Scale bar = 1 mm for 1, 2, 7; = 5 mm for 3, 8–12; = 2 mm for 4–6." figureDoi="http://doi.org/10.5281/zenodo.6810330" httpUri="https://zenodo.org/record/6810330/files/figure.png" pageId="42" pageNumber="343">Fig. 14.4</figureCitation>
|
||
(
|
||
<bibRefCitation id="EFF34B636E7F1D22FF32C2B84B38F258" author="Reed, F. R. C." box="[159,291,1785,1812]" pageId="42" pageNumber="343" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed, 1915</bibRefCitation>
|
||
, pl. 7, fig. 7),
|
||
<collectionCode id="ED73AE576E7F1D22FE6CC2B84BF5F25F" box="[449,494,1785,1811]" country="India" httpUri="http://grbio.org/cool/jprb-qxkv" name="Geological Survey of India" pageId="42" pageNumber="343">GSI</collectionCode>
|
||
11538; hypostome from Lilu,
|
||
<figureCitation id="13592A176E7F1D22FCE8C2B849B2F25F" box="[837,937,1785,1811]" captionStart="FIGURE 14" captionStartId="46.[151,250,1590,1614]" captionTargetBox="[217,1370,181,1562]" captionTargetId="figure-29@46.[217,1370,181,1567]" captionTargetPageId="46" captionText="FIGURE 14. (1–7) Parillaenus liluensis (Reed) from the Li-Lu formation (Katian), Lilu, northern Shan State, Myanmar. 1. Cranidium (original of Reed 1915, pl. 7, fig. 10), GSI 11541. 2. Cranidium (original of Reed 1915, pl. 7, fig. 12), GSI 11543. 3. Cranidium (refigured from Reed 1915, pl. 7, fig. 4), GSI 11536. 4. Pygidium and partial thorax (refigured from reed 1915 Pl. 7, fig. 7), GSI 11538. 5. Complete specimen (refigured from Reed 1915, pl. 7, fig. 5), GSI 11537. 6. Complete specimen (original of Reed 1915, pl. 7, fig. 5), GSI 11537. 7. Hypostome (refigured from Reed 1915, pl. 7, fig. 6), GSI 11537. (8, 11) Illaenus sp. 2 (Reed) from the Shihtien Formation (Darriwilian, Banpo Village, Shidian County, Baoshan Prefecture, western Yunnan, China. 8. Pygidium (original of Reed 1917, pl. 7, fig. 12), GSI 11901. 11. Cranidium (original of Reed 1917, pl. 7, fig. 13), GSI 11902. (9, 10) Illaenus sp. 1 (Reed) from the Hwe Mawng Beds (uppermost Katian) and Li-Lu Formation (Katian), northern Shan State, Myanmar. 9. Cranidium (original of Reed 1915, pl. 7, fig. 8), GSI 11539, Hwe Mawng. 10. Cranidium (original of Reed 1915, pl. 7, fig. 9), GSI 11540, Mân-ngai. (12) Illaenus sp. 3 (Reed), Cranidium (original of Reed 1917, pl. 8, fig. 1), GSI 11905, Shihtien Formation (Darriwilian), Pupiao, Baoshan Prefecture, western Yunnan, China. Scale bar = 1 mm for 1, 2, 7; = 5 mm for 3, 8–12; = 2 mm for 4–6." figureDoi="http://doi.org/10.5281/zenodo.6810330" httpUri="https://zenodo.org/record/6810330/files/figure.png" pageId="42" pageNumber="343">Fig. 14.7</figureCitation>
|
||
(
|
||
<bibRefCitation id="EFF34B636E7F1D22FC15C2B84E27F258" author="Reed, F. R. C." box="[952,1084,1785,1812]" pageId="42" pageNumber="343" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed, 1915</bibRefCitation>
|
||
, pl. 7, figs 5,6),
|
||
<collectionCode id="ED73AE576E7F1D22FB5EC2B84F3BF25F" box="[1267,1312,1785,1811]" country="India" httpUri="http://grbio.org/cool/jprb-qxkv" name="Geological Survey of India" pageId="42" pageNumber="343">GSI</collectionCode>
|
||
11537. All specimens from Upper Naungkangyi Beds (Katian) around Lilu.
|
||
<bibRefCitation id="EFF34B636E7F1D22FCDDC35C49E8F274" author="Reed, F. R. C." box="[880,1011,1821,1848]" pageId="42" pageNumber="343" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed (1915</bibRefCitation>
|
||
, p. 40) gives several localities for this species, but states in the plate legend that figured specimens of
|
||
<taxonomicName id="4C624D116E7F1D22FCFFC3004E5BF217" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" box="[850,1088,1857,1883]" class="Trilobita" family="Alsataspididae" genus="Holometopus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Asaphida" pageId="42" pageNumber="343" phylum="Arthropoda" rank="species" species="wimani">
|
||
<emphasis id="B916EA806E7F1D22FCFFC3004E5BF217" box="[850,1088,1857,1883]" italics="true" pageId="42" pageNumber="343">Holometopus wimani</emphasis>
|
||
</taxonomicName>
|
||
are from “
|
||
<quantity id="4C9A9B776E7F1D22FB14C3004EE6F217" box="[1209,1277,1857,1883]" metricMagnitude="3" metricUnit="m" metricValue="1.609344" pageId="42" pageNumber="343" unit="mi" value="1.0">1 mile</quantity>
|
||
north of Lilu” which must be the type locality for that species. The locality for the
|
||
<typeStatus id="54D988306E7F1D22FC20C32449EFF233" box="[909,1012,1893,1919]" pageId="42" pageNumber="343" type="lectotype">lectotype</typeStatus>
|
||
of
|
||
<taxonomicName id="4C624D116E7F1D22FBB5C3244ECDF233" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" box="[1048,1238,1893,1919]" class="Trilobita" family="Illaenidae" genus="Illaenus" kingdom="Animalia" order="Corynexochida" pageId="42" pageNumber="343" phylum="Arthropoda" rank="species" species="liluensis">
|
||
<emphasis id="B916EA806E7F1D22FBB5C3244ECDF233" box="[1048,1238,1893,1919]" italics="true" pageId="42" pageNumber="343">Illaenus liluensis</emphasis>
|
||
</taxonomicName>
|
||
is “Right bank of Nam Tu above Lilu on path to Manping.”
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF1D661A6E7E1D23FF3AC24A48B2F2B4" ID-DOI="http://doi.org/10.5281/zenodo.6810326" ID-Zenodo-Dep="6810326" httpUri="https://zenodo.org/record/6810326/files/figure.png" pageId="43" pageNumber="344" startId="43.[151,250,1547,1571]" targetBox="[151,1436,181,1520]" targetPageId="43">
|
||
<paragraph id="8BDD36926E7E1D23FF3AC24A48B2F2B4" blockId="43.[151,1437,1547,2040]" pageId="43" pageNumber="344">
|
||
<emphasis id="B916EA806E7E1D23FF3AC24A4B3AF368" bold="true" box="[151,289,1547,1572]" pageId="43" pageNumber="344">FIGURE 13.</emphasis>
|
||
(1)
|
||
<taxonomicName id="4C624D116E7E1D23FEE3C24D4BD7F368" authorityName="Lane" authorityYear="1971" box="[334,460,1548,1572]" class="Trilobita" family="Cheiruridae" genus="Hadromeros" kingdom="Animalia" order="Phacopida" pageId="43" pageNumber="344" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E7E1D23FEE3C24D4BD7F368" box="[334,460,1548,1572]" italics="true" pageId="43" pageNumber="344">Hadromeros</emphasis>
|
||
</taxonomicName>
|
||
? s
|
||
<emphasis id="B916EA806E7E1D23FE44C24D482FF368" box="[489,564,1548,1572]" italics="true" pageId="43" pageNumber="344">ubmitis</emphasis>
|
||
(Reed), Cranidium (original of
|
||
<bibRefCitation id="EFF34B636E7E1D23FCD2C24D49F4F368" author="Reed, F. R. C." box="[895,1007,1548,1572]" pageId="43" pageNumber="344" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed 1915</bibRefCitation>
|
||
, pl. 8, fig. 13), GSI 11560, Li-Lu Formation (Katian); Lilu, northern Shan State, Myanmar. (2)
|
||
<taxonomicName id="4C624D116E7E1D23FD61C2714950F304" baseAuthorityName="Whittard" baseAuthorityYear="1958" box="[716,843,1584,1608]" class="Trilobita" family="Cheiruridae" genus="Placoparina" kingdom="Animalia" order="Phacopida" pageId="43" pageNumber="344" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E7E1D23FD61C2714950F304" box="[716,843,1584,1608]" italics="true" pageId="43" pageNumber="344">Placoparina</emphasis>
|
||
</taxonomicName>
|
||
?
|
||
<taxonomicName id="4C624D116E7E1D23FCF0C2714E0DF304" authority="(Reed)" baseAuthorityName="Reed" baseAuthorityYear="1915" box="[861,1046,1584,1608]" class="Trilobita" family="Cheiruridae" genus="Cheirurus" kingdom="Animalia" order="Phacopida" pageId="43" pageNumber="344" phylum="Arthropoda" rank="species" species="dravidicus">
|
||
<emphasis id="B916EA806E7E1D23FCF0C27149D3F304" box="[861,968,1584,1608]" italics="true" pageId="43" pageNumber="344">dravidicus</emphasis>
|
||
(Reed)
|
||
</taxonomicName>
|
||
, Pygidium (original of
|
||
<bibRefCitation id="EFF34B636E7E1D23FAABC2714F6CF304" author="Reed, F. R. C." box="[1286,1399,1584,1608]" pageId="43" pageNumber="344" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed 1915</bibRefCitation>
|
||
, pl. 8, fig. 12), GSI 11559, Lower Naungkangyi Beds; Mâ Shio, northern Shan State, Myanmar. (3)
|
||
<taxonomicName id="4C624D116E7E1D23FBD2C2154F83F320" box="[1151,1432,1620,1644]" class="Trilobita" family="Cheiruridae" genus="Sphaerocoryphe" kingdom="Animalia" order="Phacopida" pageId="43" pageNumber="344" phylum="Arthropoda" rank="species" species="undetermined">
|
||
<emphasis id="B916EA806E7E1D23FBD2C2154F3FF320" box="[1151,1316,1620,1644]" italics="true" pageId="43" pageNumber="344">Sphaerocoryphe</emphasis>
|
||
sp. (Reed)
|
||
</taxonomicName>
|
||
, Cranidium (original of
|
||
<bibRefCitation id="EFF34B636E7E1D23FE2FC2394BE9F3DC" author="Reed, F. R. C." box="[386,498,1656,1680]" pageId="43" pageNumber="344" pagination="1 - 154" refId="ref46772" refString="Reed, F. R. C. (1906) The Lower Paleozoic fossils of the Northern Shan States, Upper Burma. Palaeontologia Indica, New Series 2, 1 - 154." type="book chapter" year="1906">Reed 1906</bibRefCitation>
|
||
, pl. 5, fig. 26), GSI 8340, Naungkangyi Beds, Insang, northern part of Shan State, Myanmar. (4–9)
|
||
<taxonomicName id="4C624D116E7E1D23FF78C2DD4BCBF3F8" authority="(Reed)" baseAuthorityName="Reed" baseAuthorityYear="1915" box="[213,464,1692,1716]" class="Trilobita" family="Pterygometopidae" genus="Yanhaoia" kingdom="Animalia" order="Phacopida" pageId="43" pageNumber="344" phylum="Arthropoda" rank="species" species="wynnei">
|
||
<emphasis id="B916EA806E7E1D23FF78C2DD4B9FF3FF" box="[213,388,1692,1716]" italics="true" pageId="43" pageNumber="344">Yanhaoia wynnei</emphasis>
|
||
(Reed)
|
||
</taxonomicName>
|
||
from the Li-Lu Formation (Katian) and Hwe Mawng Beds (uppermost Katian), northern Shan State, Myanmar. 4. Cranidium (original of
|
||
<bibRefCitation id="EFF34B636E7E1D23FDE9C28148A8F394" author="Reed, F. R. C." box="[580,691,1728,1752]" pageId="43" pageNumber="344" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed 1915</bibRefCitation>
|
||
, pl. 9, fig. 3), GSI 11569, Mân-ngai. 5. Partial cranidium (original of
|
||
<bibRefCitation id="EFF34B636E7E1D23FAC5C2814AD7F3B0" author="Reed, F. R. C." pageId="43" pageNumber="344" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed 1915</bibRefCitation>
|
||
, pl. 9 fig. 7), GSI 11573, Hwe Mawng. 6. Partial cranidium (original of
|
||
<bibRefCitation id="EFF34B636E7E1D23FC00C2A54E06F3B0" author="Reed, F. R. C." box="[941,1053,1764,1788]" pageId="43" pageNumber="344" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed 1915</bibRefCitation>
|
||
, pl. 9, fig. 11), GSI 11577, Mong Ha. 7. Pygidium (original of
|
||
<bibRefCitation id="EFF34B636E7E1D23FE39C349481FF26C" author="Reed, F. R. C." box="[404,516,1800,1824]" pageId="43" pageNumber="344" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed 1915</bibRefCitation>
|
||
, pl. 9, fig. 12), GSI 11578, Hpakhi. 8. Cranidium and thorax (cast from lectotype, original of
|
||
<bibRefCitation id="EFF34B636E7E1D23FF19C36D4B3FF208" author="Reed, F. R. C." box="[180,292,1836,1860]" pageId="43" pageNumber="344" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed 1915</bibRefCitation>
|
||
, pl. 9, fig. 10), GSI 11576, Hwe Mawng. 9. Pygidium (original of
|
||
<bibRefCitation id="EFF34B636E7E1D23FC7EC36D4E58F208" author="Reed, F. R. C." box="[979,1091,1836,1860]" pageId="43" pageNumber="344" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed 1915</bibRefCitation>
|
||
, pl. 9, fig. 5), GSI 11571, Nawng Yu. (10–11)
|
||
<taxonomicName id="4C624D116E7E1D23FEB8C3114B8EF224" authorityName="Reed" authorityYear="1905" box="[277,405,1872,1896]" class="Trilobita" family="Dalmanitidae" genus="Dalmanitina" kingdom="Animalia" order="Phacopida" pageId="43" pageNumber="344" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E7E1D23FEB8C3114B8EF224" box="[277,405,1872,1896]" italics="true" pageId="43" pageNumber="344">Dalmanitina</emphasis>
|
||
</taxonomicName>
|
||
?
|
||
<taxonomicName id="4C624D116E7E1D23FE0AC311482AF224" authority="(Reed)" baseAuthorityName="Reed" baseAuthorityYear="1915" box="[423,561,1872,1896]" class="Trilobita" family="Phacopidae" genus="Phacops" kingdom="Animalia" order="Phacopida" pageId="43" pageNumber="344" phylum="Arthropoda" rank="species" species="dagon">
|
||
<emphasis id="B916EA806E7E1D23FE0AC3114BFDF224" box="[423,486,1872,1896]" italics="true" pageId="43" pageNumber="344">dagon</emphasis>
|
||
(Reed)
|
||
</taxonomicName>
|
||
from the Li-Lu Formation (Katian) and Hwe Mawng Beds (uppermost Katian), northern Shan State, Myanmar. 10. Cranidium (refigured from
|
||
<bibRefCitation id="EFF34B636E7E1D23FD4EC3354948F2C0" author="Reed, F. R. C." box="[739,851,1908,1932]" pageId="43" pageNumber="344" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed 1915</bibRefCitation>
|
||
, pl. 9, fig. 2), GSI 11568-11572, Mân-ngai. 11. Cephalon (original of
|
||
<bibRefCitation id="EFF34B636E7E1D23FEBEC3D94B9FF2FC" author="Reed, F. R. C." box="[275,388,1944,1968]" pageId="43" pageNumber="344" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed 1915</bibRefCitation>
|
||
, pl. 9, fig. 1), GSI 11568, Mân-ngai. (12)
|
||
<taxonomicName id="4C624D116E7E1D23FC94C3D949E5F2FC" box="[825,1022,1944,1968]" class="Trilobita" family="Illaenidae" genus="Illaenus" kingdom="Animalia" order="Corynexochida" pageId="43" pageNumber="344" phylum="Arthropoda" rank="species" species="undetermined">
|
||
<emphasis id="B916EA806E7E1D23FC94C3D94990F2FC" box="[825,907,1944,1968]" italics="true" pageId="43" pageNumber="344">Illaenus</emphasis>
|
||
sp. (Reed)
|
||
</taxonomicName>
|
||
, Partial cranidium (refigured from
|
||
<bibRefCitation id="EFF34B636E7E1D23FAC5C3D94AD7F298" author="Reed, F. R. C." pageId="43" pageNumber="344" pagination="1 - 69" refId="ref46843" refString="Reed, F. R. C. (1917) Ordovician and Silurian fossils from Yun-nan. Palaeontologia Indica, 6 (3), 1 - 69." type="journal article" year="1917">Reed 1917</bibRefCitation>
|
||
, pl. 8, fig. 3), GSI 11906, Shihtien Formation (Darriwilian), Pupiao, Baoshan Prefecture, western Yunnan, China. Scale bar = 2 mm for 1, 3, 4, 6–9; = 5 mm for 2, 5, 10–12.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C37865196E791D24FF6AC4D74F38F3D5" pageId="44" pageNumber="345" type="discussion">
|
||
<paragraph id="8BDD36926E791D24FF6AC4D74F89F49D" blockId="44.[151,1437,150,1689]" pageId="44" pageNumber="345">
|
||
<emphasis id="B916EA806E791D24FF6AC4D74B57F5FC" bold="true" box="[199,332,150,176]" pageId="44" pageNumber="345">Discussion.</emphasis>
|
||
Classification of illaenid trilobites is difficult and controversial, as with other trilobites tending to effacement. The species discussed here is placed in
|
||
<taxonomicName id="4C624D116E791D24FD7EC4FA494DF599" authorityName="Jaanusson" authorityYear="1954" box="[723,854,187,213]" class="Trilobita" family="Illaenidae" genus="Parillaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FD7EC4FA494DF599" box="[723,854,187,213]" italics="true" pageId="44" pageNumber="345">Parillaenus</emphasis>
|
||
</taxonomicName>
|
||
because of its similarity to
|
||
<taxonomicName id="4C624D116E791D24FB2BC4FA4B05F5B5" authority="Hammann, 1992" authorityName="Hammann. As" authorityYear="1992" class="Trilobita" family="Illaenidae" genus="Parillaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="creber">
|
||
<emphasis id="B916EA806E791D24FB2BC4FA4F4DF599" box="[1158,1366,187,213]" italics="true" pageId="44" pageNumber="345">Parillaenus creber</emphasis>
|
||
<bibRefCitation id="EFF34B636E791D24FAF1C4FA4B05F5B5" author="Hammann, W." pageId="44" pageNumber="345" pagination="1 - 219" refId="ref44411" refString="Hammann, W. (1992) The Ordovician trilobites from the Iberian Chains in the province of Aragon, NE-Spain. 1. The trilobites of the Cystoid Limestone (Ashgill Series). Beringeria, 6, 1 - 219." type="journal article" year="1992">Hammann, 1992</bibRefCitation>
|
||
</taxonomicName>
|
||
. We are indebted to Sofia Pereira for pointing out that
|
||
<bibRefCitation id="EFF34B636E791D24FCD3C49E4EBDF5B5" author="Hammann, W. & Leone, F" box="[894,1190,223,249]" pageId="44" pageNumber="345" pagination="1 - 138" refId="ref44490" refString="Hammann, W. & Leone, F (2007) Trilobites from the post-Sardic (Upper Ordovician) sequence of southern Sardinia. Part 2. Beringeria, 38, 1 - 138." type="journal article" year="2007">Hammann & Leone (2007</bibRefCitation>
|
||
, table, p. 109) revised this assignment to
|
||
<taxonomicName id="4C624D116E791D24FEC1C5424BDDF451" box="[364,454,259,285]" class="Trilobita" family="Illaenidae" genus="Illaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FEC1C5424BDDF451" box="[364,454,259,285]" italics="true" pageId="44" pageNumber="345">Illaenus</emphasis>
|
||
</taxonomicName>
|
||
?
|
||
<taxonomicName id="4C624D116E791D24FE4EC5424830F451" authorityName="Hammann. As" authorityYear="1992" box="[483,555,259,285]" class="Trilobita" family="Illaenidae" genus="Parillaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="creber">
|
||
<emphasis id="B916EA806E791D24FE4EC5424830F451" box="[483,555,259,285]" italics="true" pageId="44" pageNumber="345">creber</emphasis>
|
||
</taxonomicName>
|
||
. The proposition of
|
||
<taxonomicName id="4C624D116E791D24FCB8C5424983F451" authorityName="Jaanusson" authorityYear="1954" box="[789,920,259,285]" class="Trilobita" family="Illaenidae" genus="Parillaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FCB8C5424983F451" box="[789,920,259,285]" italics="true" pageId="44" pageNumber="345">Parillaenus</emphasis>
|
||
</taxonomicName>
|
||
in
|
||
<bibRefCitation id="EFF34B636E791D24FC13C5424E67F451" author="Jaanusson, V." box="[958,1148,258,285]" pageId="44" pageNumber="345" pagination="545 - 583" refId="ref44843" refString="Jaanusson, V. (1954) Zur Morphologie und Taxonomie der Illaeniden. Arkiv for Mineralogioch Geologi, 1, 545 - 583." type="journal article" year="1954">Jaanusson (1954</bibRefCitation>
|
||
, p. 574) was perfunctory, with the sole distinguishing character being the simple arcuate inner margin of the pygidial doublure. On the
|
||
<typeStatus id="54D988306E791D24FAC1C5664F87F40D" box="[1388,1436,295,321]" pageId="44" pageNumber="345">type</typeStatus>
|
||
species of
|
||
<taxonomicName id="4C624D116E791D24FEBDC50A4B88F429" authorityName="Jaanusson" authorityYear="1954" box="[272,403,331,357]" class="Trilobita" family="Illaenidae" genus="Parillaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FEBDC50A4B88F429" box="[272,403,331,357]" italics="true" pageId="44" pageNumber="345">Parillaenus</emphasis>
|
||
</taxonomicName>
|
||
the proportion of the dorsal exoskeleton occupied by the axis is greater than in the species from
|
||
<collectingCountry id="F37576026E791D24FF79C52E4B5AF4C5" box="[212,321,367,393]" name="Myanmar" pageId="44" pageNumber="345">Myanmar</collectingCountry>
|
||
(Jaanusson
|
||
<emphasis id="B916EA806E791D24FE67C52E4BFBF4C4" box="[458,480,367,392]" italics="true" pageId="44" pageNumber="345">in</emphasis>
|
||
<bibRefCitation id="EFF34B636E791D24FE4BC52E4860F4C5" author="Moore, R. C." box="[486,635,366,393]" pageId="44" pageNumber="345" refId="ref46007" refString="Moore, R. C. (Ed.) (1959) Treatise on Invertebrate Paleontology - Arthropoda 1. University of Kansas Press and the Geological Society of America, Lawrence, Kansas, 560 pp." type="book" year="1959">Moore, 1959</bibRefCitation>
|
||
), but it is unclear whether this feature has systematic importance. There is no opportunity in this work to revise generic concepts of late Ordovician illaenids, and it is recognized that the assignment of Reed’s
|
||
<taxonomicName id="4C624D116E791D24FE23C5F64857F49D" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" box="[398,588,439,465]" class="Trilobita" family="Illaenidae" genus="Illaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="liluensis">
|
||
<emphasis id="B916EA806E791D24FE23C5F64857F49D" box="[398,588,439,465]" italics="true" pageId="44" pageNumber="345">Illaenus liluensis</emphasis>
|
||
</taxonomicName>
|
||
to
|
||
<taxonomicName id="4C624D116E791D24FDDDC5F648E8F49D" authorityName="Jaanusson" authorityYear="1954" box="[624,755,439,465]" class="Trilobita" family="Illaenidae" genus="Parillaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FDDDC5F648E8F49D" box="[624,755,439,465]" italics="true" pageId="44" pageNumber="345">Parillaenus</emphasis>
|
||
</taxonomicName>
|
||
could well change when a comparative study is carried out.
|
||
</paragraph>
|
||
<paragraph id="8BDD36926E791D24FF6AC59A4F38F3D5" blockId="44.[151,1437,150,1689]" pageId="44" pageNumber="345">
|
||
The casts made of small specimens of
|
||
<taxonomicName id="4C624D116E791D24FDC6C59A49F6F4B9" authority="Reed, 1915" authorityName="Reed" authorityYear="1915" box="[619,1005,474,501]" class="Trilobita" family="Alsataspididae" genus="Holometopus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Asaphida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="limbatus">
|
||
<emphasis id="B916EA806E791D24FDC6C59A497DF4B9" box="[619,870,475,501]" italics="true" pageId="44" pageNumber="345">Holometopus limbatus</emphasis>
|
||
<bibRefCitation id="EFF34B636E791D24FCC1C59A49F6F4B9" author="Reed, F. R. C." box="[876,1005,474,501]" pageId="44" pageNumber="345" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed, 1915</bibRefCitation>
|
||
</taxonomicName>
|
||
, are imperfect and do not add to Reed’s description, while other, mostly larger specimens of
|
||
<taxonomicName id="4C624D116E791D24FD77C5BE4982F755" authority="Iiluensis" authorityName="Iiluensis" box="[730,921,511,537]" class="Trilobita" family="Illaenidae" genus="Illaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FD77C5BE4982F755" box="[730,921,511,537]" italics="true" pageId="44" pageNumber="345">Illaenus Iiluensis</emphasis>
|
||
</taxonomicName>
|
||
can only be refigured from
|
||
<bibRefCitation id="EFF34B636E791D24FB61C5BE4F41F755" author="Reed, F. R. C." box="[1228,1370,510,537]" pageId="44" pageNumber="345" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed (1915)</bibRefCitation>
|
||
. Reed directly compared the small cranidia with
|
||
<taxonomicName id="4C624D116E791D24FDD6C6624E3DF771" authority="Angelin, 1854" authorityName="Angelin" authorityYear="1854" box="[635,1062,546,573]" class="Trilobita" family="Alsataspididae" genus="Holometopus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Asaphida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="limbatus">
|
||
<emphasis id="B916EA806E791D24FDD6C6624962F771" box="[635,889,547,573]" italics="true" pageId="44" pageNumber="345">Holometopus limbatus</emphasis>
|
||
<bibRefCitation id="EFF34B636E791D24FC2CC6624E3DF771" author="Angelin, N. P." box="[897,1062,546,573]" pageId="44" pageNumber="345" pagination="21 - 92" refId="ref42322" refString="Angelin, N. P. (1854) s. n. In: Palaeontologia Scandinavica I. Crustacea Formationis Transitionis Fasc. 2. Academiae Regiae Scientarum Suecanae, Holmiae, pp. 21 - 92." type="book chapter" year="1854">Angelin, 1854</bibRefCitation>
|
||
</taxonomicName>
|
||
, which subsequently became the
|
||
<typeStatus id="54D988306E791D24FF3AC6064ADCF72D" box="[151,199,583,609]" pageId="44" pageNumber="345">type</typeStatus>
|
||
species of
|
||
<taxonomicName id="4C624D116E791D24FEEAC606482CF72D" authority="Pribyl" authorityName="Pribyl" authorityYear="1949" box="[327,567,583,609]" class="Trilobita" family="Styginidae" genus="Raymondaspis" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FEEAC6064BF1F72D" box="[327,490,583,609]" italics="true" pageId="44" pageNumber="345">Raymondaspis</emphasis>
|
||
Přibyl
|
||
</taxonomicName>
|
||
<emphasis id="B916EA806E791D24FD92C606484EF72C" box="[575,597,583,608]" italics="true" pageId="44" pageNumber="345">in</emphasis>
|
||
<bibRefCitation id="EFF34B636E791D24FDF0C606496AF72D" author="Prantl, F. & Pribyl, A." box="[605,881,583,609]" pageId="44" pageNumber="345" pagination="8" refId="ref46503" refString="Prantl, F. & Pribyl, A. (1949) Raymondaspis gen. n. replacement name for Holometopus Angelin, homonym of an unstated previously described species. Bulletin International Academie Tchech des Sciences for 1948, 1949, 8." type="journal article" year="1949">Prantl and Přibyl (1949)</bibRefCitation>
|
||
, a member of
|
||
<taxonomicName id="4C624D116E791D24FBBBC6064F2AF72D" authority="Vogdes, 1890" authorityName="Vogdes" authorityYear="1890" box="[1046,1329,583,609]" class="Trilobita" family="Styginidae" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="family">
|
||
Styginidae
|
||
<bibRefCitation id="EFF34B636E791D24FB38C6064F2AF72D" author="Vogdes, A. W." box="[1173,1329,583,609]" pageId="44" pageNumber="345" pagination="1 - 177" refId="ref48167" refString="Vogdes, A. W. (1890) A bibliography of Palaeozoic Crustacea from 1698 to 1889, including a list of North American species and a systematic arrangement of genera. Bulletin of the United States Geological Survey, 63, 1 - 177." type="journal article" year="1890">Vogdes, 1890</bibRefCitation>
|
||
</taxonomicName>
|
||
. The narrow, pestle-shaped glabella with well-defined occipital ring, but no other glabellar furrows, does resemble that of
|
||
<taxonomicName id="4C624D116E791D24FA29C62A4AF6F7E5" baseAuthorityName="Angelin" baseAuthorityYear="1854" class="Trilobita" family="Styginidae" genus="Raymondaspis" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="limbata">
|
||
<emphasis id="B916EA806E791D24FA29C62A4AF6F7E5" italics="true" pageId="44" pageNumber="345">R. limbata</emphasis>
|
||
</taxonomicName>
|
||
, the
|
||
<typeStatus id="54D988306E791D24FE8EC6CE4B48F7E5" box="[291,339,655,681]" pageId="44" pageNumber="345">type</typeStatus>
|
||
material of which was revised by
|
||
<bibRefCitation id="EFF34B636E791D24FD62C6CE4967F7E5" author="Poulsen, V." box="[719,892,655,681]" pageId="44" pageNumber="345" pagination="407 - 416" refId="ref46470" refString="Poulsen, V. (1969) The types of Raymondaspis limbata (Angelin, 1854), Class Trilobita. Geologiska Foreningens i Stockholm Forhandlingar, 91, 407 - 416." type="journal article" year="1969">Poulsen (1969)</bibRefCitation>
|
||
. The Burmese species has a glabella that extends almost to the front of the cranidium, where the preglabellar furrow is effaced, while
|
||
<taxonomicName id="4C624D116E791D24FBFBC6F24ED7F781" baseAuthorityName="Angelin" baseAuthorityYear="1854" box="[1110,1228,691,717]" class="Trilobita" family="Styginidae" genus="Raymondaspis" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="limbata">
|
||
<emphasis id="B916EA806E791D24FBFBC6F24ED7F781" box="[1110,1228,691,717]" italics="true" pageId="44" pageNumber="345">R. limbata</emphasis>
|
||
</taxonomicName>
|
||
has a distinct cranidial border. However, there are some characters that indicate that these smaller cranidia should not be referred to
|
||
<taxonomicName id="4C624D116E791D24FF3AC6BA4B21F659" authorityName="Pribyl" authorityYear="1949" box="[151,314,763,789]" class="Trilobita" family="Styginidae" genus="Raymondaspis" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FF3AC6BA4B21F659" box="[151,314,763,789]" italics="true" pageId="44" pageNumber="345">Raymondaspis</emphasis>
|
||
</taxonomicName>
|
||
. The width of the fixed cheeks (tr.) is much greater than in most species attributed to
|
||
<taxonomicName id="4C624D116E791D24FB5FC6BA4F8EF659" authorityName="Pribyl" authorityYear="1949" box="[1266,1429,763,789]" class="Trilobita" family="Styginidae" genus="Raymondaspis" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FB5FC6BA4F8EF659" box="[1266,1429,763,789]" italics="true" pageId="44" pageNumber="345">Raymondaspis</emphasis>
|
||
</taxonomicName>
|
||
, particularly posteriorly, and as far as can be judged the palpebral lobes are far out and relatively gently curved, rather than almost circular, and close to the glabella, as in well-preserved species attributed to
|
||
<taxonomicName id="4C624D116E791D24FBC3C7024F0AF611" authorityName="Pribyl" authorityYear="1949" box="[1134,1297,835,861]" class="Trilobita" family="Styginidae" genus="Raymondaspis" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FBC3C7024F0AF611" box="[1134,1297,835,861]" italics="true" pageId="44" pageNumber="345">Raymondaspis</emphasis>
|
||
</taxonomicName>
|
||
; the latter is also generally an early- to mid-Ordovician genus. Scandinavian species discussed by
|
||
<bibRefCitation id="EFF34B636E791D24FBCCC7264F12F6CD" author="Nielsen, A. T." box="[1121,1289,870,897]" pageId="44" pageNumber="345" pagination="1 - 374" refId="ref46227" refString="Nielsen, A. T. (1995) Trilobite systematics, biostratigraphy and palaeoecology of the Lower Ordovician Komstad Limestone and Huk Formations, southern Scandinavia. Fossils and Strata, 38, 1 - 374." type="journal article" year="1995">Nielsen (1995)</bibRefCitation>
|
||
indicate that
|
||
<taxonomicName id="4C624D116E791D24FF3AC7CA4B21F6E9" authorityName="Pribyl" authorityYear="1949" box="[151,314,907,933]" class="Trilobita" family="Styginidae" genus="Raymondaspis" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FF3AC7CA4B21F6E9" box="[151,314,907,933]" italics="true" pageId="44" pageNumber="345">Raymondaspis</emphasis>
|
||
</taxonomicName>
|
||
comprises a closely similar group of species of this age with a Baltic-Laurentian distribution. The larger specimens attributed to
|
||
<taxonomicName id="4C624D116E791D24FE42C7EE48B5F685" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" box="[495,686,943,969]" class="Trilobita" family="Illaenidae" genus="Illaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="liluensis">
|
||
<emphasis id="B916EA806E791D24FE42C7EE48B5F685" box="[495,686,943,969]" italics="true" pageId="44" pageNumber="345">Illaenus liluensis</emphasis>
|
||
</taxonomicName>
|
||
by Reed (e.g. 1915, pl. 7, fig. 4) differ principally from the small ones attributed to
|
||
<taxonomicName id="4C624D116E791D24FECCC7924BD0F6A0" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" box="[353,459,979,1004]" class="Trilobita" family="Alsataspididae" genus="Holometopus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Asaphida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="wimani">
|
||
<emphasis id="B916EA806E791D24FECCC7924BD0F6A0" box="[353,459,979,1004]" italics="true" pageId="44" pageNumber="345">I. wimani</emphasis>
|
||
</taxonomicName>
|
||
by the anteriorly effaced axial furrows and loss of the occipital furrow, and we believe that these differences are attributable to ontogeny. The two supposed species have been found together in a locality described by
|
||
<bibRefCitation id="EFF34B636E791D24FE81C05A4BACF179" author="Reed, F. R. C." box="[300,439,1050,1077]" pageId="44" pageNumber="345" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed (1915)</bibRefCitation>
|
||
as “1 Mile north of Lilu”. Suggestive ontogenetic comparisons with the Burmese species can be drawn with several trilobites described by
|
||
<bibRefCitation id="EFF34B636E791D24FD61C07E498FF115" author="Hammann, W." box="[716,916,1087,1113]" pageId="44" pageNumber="345" pagination="1 - 219" refId="ref44411" refString="Hammann, W. (1992) The Ordovician trilobites from the Iberian Chains in the province of Aragon, NE-Spain. 1. The trilobites of the Cystoid Limestone (Ashgill Series). Beringeria, 6, 1 - 219." type="journal article" year="1992">Hammann (1992)</bibRefCitation>
|
||
from the Ashgill (Katian) of
|
||
<collectingCountry id="F37576026E791D24FB4EC07E4F3DF115" box="[1251,1318,1087,1113]" name="Spain" pageId="44" pageNumber="345">Spain</collectingCountry>
|
||
, including
|
||
<taxonomicName id="4C624D116E791D24FF3AC022485DF131" authority="Hammann" authorityName="Hammann" box="[151,582,1123,1149]" class="Trilobita" family="Styginidae" genus="Cekovia" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="subSpecies" species="perplexa" subSpecies="perplexa">
|
||
<emphasis id="B916EA806E791D24FF3AC0224BD3F131" box="[151,456,1123,1149]" italics="true" pageId="44" pageNumber="345">Cekovia perplexa perplexa</emphasis>
|
||
Hammann
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C624D116E791D24FD2DC02249E6F131" authority="Hammann. As" authorityName="Hammann. As" authorityYear="1992" box="[640,1021,1123,1149]" class="Trilobita" family="Illaenidae" genus="Parillaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="creber">
|
||
<emphasis id="B916EA806E791D24FD2DC0224948F131" box="[640,851,1123,1149]" italics="true" pageId="44" pageNumber="345">Parillaenus creber</emphasis>
|
||
Hammann. As
|
||
</taxonomicName>
|
||
adults these species lack a cranidial border, have anteriorly effaced axial furrows, and wider fixed cheeks that are more convex (tr.) than in
|
||
<emphasis id="B916EA806E791D24FA9AC0C64ACFF189" italics="true" pageId="44" pageNumber="345">Raymondaspi</emphasis>
|
||
s, and the palpebral lobes, placed far out, are not strongly curved. These are like
|
||
<taxonomicName id="4C624D116E791D24FBCFC0EA4F3AF189" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" box="[1122,1313,1195,1221]" class="Trilobita" family="Illaenidae" genus="Illaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="liluensis">
|
||
<emphasis id="B916EA806E791D24FBCFC0EA4F3AF189" box="[1122,1313,1195,1221]" italics="true" pageId="44" pageNumber="345">Illaenus liluensis</emphasis>
|
||
</taxonomicName>
|
||
. However, smaller cranidia (
|
||
<bibRefCitation id="EFF34B636E791D24FEF5C08E480DF1A5" author="Hammann, W." box="[344,534,1231,1257]" pageId="44" pageNumber="345" pagination="1 - 219" refId="ref44411" refString="Hammann, W. (1992) The Ordovician trilobites from the Iberian Chains in the province of Aragon, NE-Spain. 1. The trilobites of the Cystoid Limestone (Ashgill Series). Beringeria, 6, 1 - 219." type="journal article" year="1992">Hammann, 1992</bibRefCitation>
|
||
, pl 4, fig. 4; pl. 9, figs 10-12) much more resemble
|
||
<taxonomicName id="4C624D116E791D24FBE3C08E4EBBF1A4" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" box="[1102,1184,1231,1256]" class="Trilobita" family="Alsataspididae" genus="Holometopus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Asaphida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="wimani">
|
||
<emphasis id="B916EA806E791D24FBE3C08E4EBBF1A4" box="[1102,1184,1231,1256]" italics="true" pageId="44" pageNumber="345">wimani</emphasis>
|
||
</taxonomicName>
|
||
in their comparatively well-defined pestle shaped glabellas and visible occipital furrows. The small, nearly complete individual of
|
||
<taxonomicName id="4C624D116E791D24FAEFC0B24AEFF07D" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" class="Trilobita" family="Illaenidae" genus="Illaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="liluensis">
|
||
<emphasis id="B916EA806E791D24FAEFC0B24AEFF07D" italics="true" pageId="44" pageNumber="345">Illaenus liluensis</emphasis>
|
||
</taxonomicName>
|
||
figured by
|
||
<bibRefCitation id="EFF34B636E791D24FED4C1564BE6F07D" author="Reed, F. R. C." box="[377,509,1302,1329]" pageId="44" pageNumber="345" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed (1915</bibRefCitation>
|
||
, pl. 7, fig. 5) has a glabella more like that of
|
||
<taxonomicName id="4C624D116E791D24FC53C1564E4BF07C" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" box="[1022,1104,1303,1328]" class="Trilobita" family="Alsataspididae" genus="Holometopus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Asaphida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="wimani">
|
||
<emphasis id="B916EA806E791D24FC53C1564E4BF07C" box="[1022,1104,1303,1328]" italics="true" pageId="44" pageNumber="345">wimani</emphasis>
|
||
</taxonomicName>
|
||
than the larger specimens attributed to
|
||
<taxonomicName id="4C624D116E791D24FEBFC17A4B9DF019" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" box="[274,390,1339,1365]" class="Trilobita" family="Illaenidae" genus="Illaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="liluensis">
|
||
<emphasis id="B916EA806E791D24FEBFC17A4B00F018" box="[274,283,1339,1364]" italics="true" pageId="44" pageNumber="345">I</emphasis>
|
||
.
|
||
<emphasis id="B916EA806E791D24FE84C17A4B9DF019" box="[297,390,1339,1365]" italics="true" pageId="44" pageNumber="345">liluensis</emphasis>
|
||
</taxonomicName>
|
||
. The mature specimens from
|
||
<collectingCountry id="F37576026E791D24FD79C17A493BF019" box="[724,800,1339,1365]" name="Myanmar" pageId="44" pageNumber="345">Burma</collectingCountry>
|
||
more closely resemble
|
||
<taxonomicName id="4C624D116E791D24FB87C17A4EE0F019" authorityName="Hammann. As" authorityYear="1992" box="[1066,1275,1339,1365]" class="Trilobita" family="Illaenidae" genus="Parillaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="creber">
|
||
<emphasis id="B916EA806E791D24FB87C17A4EE0F019" box="[1066,1275,1339,1365]" italics="true" pageId="44" pageNumber="345">Parillaenus creber</emphasis>
|
||
</taxonomicName>
|
||
than
|
||
<taxonomicName id="4C624D116E791D24FA94C17A4F8EF019" authorityName="Šnajdr" authorityYear="1956" box="[1337,1429,1339,1365]" class="Trilobita" family="Styginidae" genus="Cekovia" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FA94C17A4F8EF019" box="[1337,1429,1339,1365]" italics="true" pageId="44" pageNumber="345">Cekovia</emphasis>
|
||
</taxonomicName>
|
||
, notably in having wider cranidia and relatively large palpebral lobes as adults. The pygidium figured by
|
||
<bibRefCitation id="EFF34B636E791D24FAB8C11E4F8CF035" author="Reed, F. R. C." box="[1301,1431,1374,1401]" pageId="44" pageNumber="345" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed (1915</bibRefCitation>
|
||
, pl. 7, fig. 7), although not large, is very similar to that of
|
||
<taxonomicName id="4C624D116E791D24FC8DC1C24E6BF0D1" authority="Hammann" authorityName="Hammann. As" authorityYear="1992" box="[800,1136,1411,1437]" class="Trilobita" family="Illaenidae" genus="Parillaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="creber">
|
||
<emphasis id="B916EA806E791D24FC8DC1C249E8F0D1" box="[800,1011,1411,1437]" italics="true" pageId="44" pageNumber="345">Parillaenus creber</emphasis>
|
||
Hammann
|
||
</taxonomicName>
|
||
in its very short (sag.) obtusely triangular pygidial axis. Hence our attribution to
|
||
<taxonomicName id="4C624D116E791D24FCA9C1E6499CF08D" authorityName="Jaanusson" authorityYear="1954" box="[772,903,1447,1473]" class="Trilobita" family="Illaenidae" genus="Parillaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FCA9C1E6499CF08D" box="[772,903,1447,1473]" italics="true" pageId="44" pageNumber="345">Parillaenus</emphasis>
|
||
</taxonomicName>
|
||
here, with the reservations noted above that the genus may well be further clarified.
|
||
<bibRefCitation id="EFF34B636E791D24FD86C18A48EDF0A9" author="Zhou, Z. - Y. & Yin, G. - Z. & Tripp, R. P." box="[555,758,1483,1509]" pageId="44" pageNumber="345" pagination="13 - 36" refId="ref49576" refString="Zhou, Z. - Y., Yin, G. - Z. & Tripp, R. P. (1984) Trilobites from the Ordovician Shihtzupu Formation, Zunyi, Guizhou Province, China. Transactions of the Royal Society Edinburgh: Earth Sciences, 75, 13 - 36. https: // doi. org / 10.1017 / S 0263593300009755." type="journal article" year="1984">
|
||
Zhou
|
||
<emphasis id="B916EA806E791D24FDC0C18A4885F0A9" box="[621,670,1483,1509]" italics="true" pageId="44" pageNumber="345">et al</emphasis>
|
||
. (1984)
|
||
</bibRefCitation>
|
||
and
|
||
<bibRefCitation id="EFF34B636E791D24FC86C18A4E16F0A9" author="Zhou, Z. - Y. & Zhen, Y. - Y." box="[811,1037,1483,1509]" pageId="44" pageNumber="345" refId="ref49762" refString="Zhou, Z. - Y. & Zhen, Y. - Y. (Eds.) (2008) Trilobite Record of China. Science Press, Beijing, 20 pp." type="book" year="2008">Zhou & Zhen (2008</bibRefCitation>
|
||
, p. 252) assigned some “Caradoc to early Ashgill” Chinese illaenids to
|
||
<taxonomicName id="4C624D116E791D24FD8CC1AE48BFF345" authorityName="Jaanusson" authorityYear="1954" box="[545,676,1519,1545]" class="Trilobita" family="Illaenidae" genus="Parillaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FD8CC1AE48BFF345" box="[545,676,1519,1545]" italics="true" pageId="44" pageNumber="345">Parillaenus</emphasis>
|
||
</taxonomicName>
|
||
, mostly fragmentary material previously attributed to
|
||
<taxonomicName id="4C624D116E791D24FAA5C1AE4F79F345" box="[1288,1378,1519,1545]" class="Trilobita" family="Illaenidae" genus="Illaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FAA5C1AE4F79F345" box="[1288,1378,1519,1545]" italics="true" pageId="44" pageNumber="345">Illaenus</emphasis>
|
||
</taxonomicName>
|
||
. The name
|
||
<taxonomicName id="4C624D116E791D24FF76C2524B23F361" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" box="[219,312,1555,1581]" class="Trilobita" family="Illaenidae" genus="Illaenus" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="liluensis">
|
||
<emphasis id="B916EA806E791D24FF76C2524B23F361" box="[219,312,1555,1581]" italics="true" pageId="44" pageNumber="345">liluensis</emphasis>
|
||
</taxonomicName>
|
||
appears before
|
||
<taxonomicName id="4C624D116E791D24FE41C2524825F360" authorityName="Fortey & Wernette & Hughes" authorityYear="2022" box="[492,574,1555,1580]" class="Trilobita" family="Alsataspididae" genus="Holometopus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Asaphida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="wimani">
|
||
<emphasis id="B916EA806E791D24FE41C2524825F360" box="[492,574,1555,1580]" italics="true" pageId="44" pageNumber="345">wimani</emphasis>
|
||
</taxonomicName>
|
||
in
|
||
<bibRefCitation id="EFF34B636E791D24FDC9C2524919F361" author="Reed, F. R. C." box="[612,770,1554,1581]" pageId="44" pageNumber="345" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed’s (1915)</bibRefCitation>
|
||
monograph and is therefore selected as the preferred name in this work. A second species of “
|
||
<taxonomicName id="4C624D116E791D24FD89C27648A2F31D" box="[548,697,1591,1617]" class="Trilobita" family="Alsataspididae" genus="Holometopus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Asaphida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FD89C27648A2F31D" box="[548,697,1591,1617]" italics="true" pageId="44" pageNumber="345">Holometopus</emphasis>
|
||
</taxonomicName>
|
||
”,
|
||
<taxonomicName id="4C624D116E791D24FD78C2764978F31D" authorityName="Reed" authorityYear="1915" box="[725,867,1591,1617]" class="Trilobita" family="Alsataspididae" genus="Holometopus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Asaphida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="species" species="orientalis">
|
||
<emphasis id="B916EA806E791D24FD78C2764978F31D" box="[725,867,1591,1617]" italics="true" pageId="44" pageNumber="345">H. orientalis</emphasis>
|
||
</taxonomicName>
|
||
, from the Hwe Maung Beds was erected by
|
||
<bibRefCitation id="EFF34B636E791D24FACEC2764AF9F339" author="Reed, F. R. C." pageId="44" pageNumber="345" pagination="1 - 98" refId="ref46807" refString="Reed, F. R. C. (1915) Supplementary Memoir on new Ordovician and Silurian fossils from the Northern Shan States. Palaeontologia Indica, New Series 6, 1 - 98." type="book chapter" year="1915">Reed (1915)</bibRefCitation>
|
||
on the basis of one, poorly preserved cranidium, refigured in
|
||
<figureCitation id="13592A176E791D24FC0EC21A4E16F339" box="[931,1037,1627,1653]" captionStart="FIGURE 6" captionStartId="19.[151,250,1801,1825]" captionTargetBox="[199,1388,181,1777]" captionTargetId="figure-18@19.[199,1388,181,1777]" captionTargetPageId="19" captionText="FIGURE 6. Birmanites birmanicus (Reed) from the Hwe Mawng Beds (uppermost Katian), northern Shan State, Myanmar. 1. Hypostome (original of Reed 1915, pl. 5, fig. 17), GSI 11519, Hwe Mawng. 2a, b. Cephalon (original of Reed 1915, pl. 6, fig. 2), GSI 11522, Hwe Mawng, original and retrodeformation. 3. Partial specimen (original of Reed 1915, pl. 6, fig. 3), GSI 11523, Hpakhi. 4a, b. Pygidium (original of Reed 1915, pl. 6, fig. 4), GSI 11524, Hwe Mawng, original and retrodeformation. 5. Cranidium (original of Reed 1915, pl. 7, fig. 2), GSI 11534, Hpakhi. 6. Partial specimen (original of Reed 1915, pl. 5, figs 15,16), GSI 11518, Hpakhi. Scale bars = 2 mm for 1; = 5 mm for 2–6." figureDoi="http://doi.org/10.5281/zenodo.6810306" httpUri="https://zenodo.org/record/6810306/files/figure.png" pageId="44" pageNumber="345">Fig. 6.10</figureCitation>
|
||
. It does seem possible that this is a styginid with posteriorly positioned palpebral lobes, and this specimen is tentatively referred to
|
||
<taxonomicName id="4C624D116E791D24FB65C23E4F07F3D5" box="[1224,1308,1663,1689]" class="Trilobita" family="Styginidae" genus="Stygina" kingdom="Animalia" order="Corynexochida" pageId="44" pageNumber="345" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B916EA806E791D24FB65C23E4F07F3D5" box="[1224,1308,1663,1689]" italics="true" pageId="44" pageNumber="345">Stygina</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |