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<document ID-DOI="10.5252/geodiversitas2021v43a11" ID-GBIF-Dataset="fc56a00d-cf6b-4fda-aa56-d0492e4781cb" ID-ISSN="1638-9395" ID-Zenodo-Dep="4891107" ID-ZooBank="urn:lsid:zoobank.org:pub:07D1F5A8-98E2-40F1-A716-D25CB975EA4C" checkinTime="1622490877458" checkinUser="felipe" docAuthor="Steurbaut, Etienne &amp; Nolf, Dirk" docDate="2021" docId="1D2F9F2B9A32FFC1FCA2F99EDE65BCE6" docLanguage="en" docName="Geodiversitas.43.11.311-363.pdf" docOrigin="Geodiversitas 43 (11)" docStyle="DocumentStyle:F830B10FF475E64C1F1601E3B32DDC00.3:Geodiversitas.2018-.journal_article" docStyleId="F830B10FF475E64C1F1601E3B32DDC00" docStyleName="Geodiversitas.2018-.journal_article" docStyleVersion="3" docTitle="Luminocanthus plenilutetiensis Steurbaut &amp; Nolf, 2021, n. gen., n. sp." docType="treatment" docUuid="AEAC0171-1130-4C9B-B8B0-CAD63145C860" docUuidSource="ZooBank" docVersion="5" lastPageNumber="345" masterDocId="E116E7539A11FFE5FFDBFFFADF3DBA1F" masterDocTitle="The Mont-des-Récollets section (N France): a key site for the Ypresian-Lutetian transition at mid-latitudes - reassessment of the boundary criterion for the base- Lutetian GSSP" masterLastPageNumber="363" masterPageNumber="311" pageNumber="344" updateTime="1632098410930" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:title>The Mont-des-Récollets section (N France): a key site for the Ypresian-Lutetian transition at mid-latitudes - reassessment of the boundary criterion for the base- Lutetian GSSP</mods:title>
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<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Steurbaut, Etienne</mods:namePart>
<mods:affiliation>Royal Belgian Institute of Natural Sciences, OD Earth and History of Life, Vautierstraat 29, B- 1000 Brussel (Belgium) and Department of Earth, and Environmental Sciences, KU Leuven, Celestijnenlaan 200 E, B- 3001 Leuven (Belgium)</mods:affiliation>
<mods:nameIdentifier type="email">etienne.steurbaut@naturalsciences.be</mods:nameIdentifier>
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<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Nolf, Dirk</mods:namePart>
<mods:affiliation>Royal Belgian Institute of Natural Sciences, OD Earth and History of Life, Vautierstraat 29, B- 1000 Brussel (Belgium)</mods:affiliation>
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<mods:title>Geodiversitas</mods:title>
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<mods:date>2021</mods:date>
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<mods:number>2021-05-25</mods:number>
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<mods:number>43</mods:number>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.4891180" ID-GBIF-Taxon="182482773" ID-Zenodo-Dep="4891180" LSID="urn:lsid:zoobank.org:act:AEAC0171-1130-4C9B-B8B0-CAD63145C860" httpUri="http://treatment.plazi.org/id/1D2F9F2B9A32FFC1FCA2F99EDE65BCE6" lastPageId="36" lastPageNumber="345" pageId="35" pageNumber="344">
<subSubSection box="[889,1379,1636,1664]" pageId="35" pageNumber="344" type="nomenclature">
<paragraph blockId="35.[889,1379,1636,1696]" box="[889,1379,1636,1664]" pageId="35" pageNumber="344">
<taxonomicName box="[889,1226,1636,1663]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Luminocanthus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Coccosphaerales" pageId="35" pageNumber="344" phylum="Haptophyta" rank="species" species="plenilutetiensis" status="n. gen., n. sp.">
<emphasis bold="true" box="[889,1226,1636,1663]" italics="true" pageId="35" pageNumber="344">Luminocanthus plenilutetiensis</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[1232,1379,1638,1664]" pageId="35" pageNumber="344" rank="species">n. gen., n. sp.</taxonomicNameLabel>
</paragraph>
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<subSubSection pageId="35" pageNumber="344" type="description">
<paragraph blockId="35.[889,1379,1636,1696]" box="[1067,1201,1669,1696]" pageId="35" pageNumber="344">
(
<figureCitation box="[1076,1152,1669,1696]" captionStart="FIG" captionStartId="40.[132,143,1758,1775]" captionTargetBox="[227,1361,215,1674]" captionTargetId="figure-31@40.[793,1362,761,1311]" captionTargetPageId="40" captionText="FIG. 19. — New or less known calcareous nannofossil taxa from the Eocene of the Mont-des-Récollets and other localities in Belgium. Pars 2: A, Nannoturba jolotteana Steurbaut, 2011, Mont-des-Récollets, 104.35 m, d = 15.2 µm (IRSNB b7120); B, C, Luminocanthus eolutetiensis n. gen., n. sp.; B, Vlakte van de Raan BH, 81.45 m depth, holotype, d = 9 µm (IRSNB b7121); C, Vlakte van de Raan BH, 79.95 m depth, paratype, d = 9 µm (IRSNB b7122); D-F, Nannoturba joceliniae n. sp., Mont-des-Récollets; D, 122.85 m, holotype, wm = 17 µm (IRSNB b7123); E, 123.50 m, paratype, wm = 13 µm (IRSNB b7124); F, 122.85 m, paratype, wm = 13 µm (IRSNB b7125); G-J, Luminocanthus plenilutetiensis n. gen., n. sp.; G, Mont-des-Récollets, 122.26-122.21 m, holotype, d = 8.4 µm (IRSNB b7126);H, Vossem, otolith sample Nolf 1974, paratype, d = 5.2 µm (IRSNB b7127); I, Prémontré, sample 12, paratype, d = 9.6 µm (IRSNB b7128); J, Knokke BH, 71.95 m depth, paratype, d = 6.7 µm (IRSNB b7129); K-N, Toweius brusselensis Steurbaut, 2011; K, Knokke BH, 97.50 m, paratype, d = 8.4 µm (IRSNB b6403); L, Mont-des-Récollets 122.85 m, l = 6 µm (IRSNB b7130); M, N, Vossem,otolith sample Nolf 1974, l = 4.6 µm (IRSNB b7131, b7132); O, Cribrocentrum sp. Isnes, sample 8, l = 5.9 µm (IRSNB b7133); P, Sphenolithus spiniger Bukry, 1971, Vossem,otolith sample Nolf 1974, h = 6.2 µm (IRSNB b7134); Q, Sphenolithus radians Deflandre in Grassé, 1952, Vossem, otolith sample Nolf 1974, h = 4.2 µm (IRSNB b7135); R, Sphenolithus moriformis (Bronnimann &amp; Stradner, 1960), Vossem, otolith sample Nolf 1974, h = 3.3 µm (IRSNB b7136); S-V, Pemma spp.; S, Mont-des-Récollets, 115.50 m, d = 9 µm (IRSNB b7137); T-V, Vossem, otolith sample Nolf 1974 (IRSNB b7138, b7139, b7140); T, d = 8.3 µm; U, d = 8.4 µm; V, d = 6.5 µm." figureDoi="http://doi.org/10.5281/zenodo.4891142" httpUri="https://zenodo.org/record/4891142/files/figure.png" pageId="35" pageNumber="344">Fig. 19</figureCitation>
G-J)
</paragraph>
<paragraph blockId="35.[813,1455,1736,1753]" box="[813,1455,1736,1753]" pageId="35" pageNumber="344">
<uri box="[813,1455,1736,1753]" pageId="35" pageNumber="344">
urn:lsid:zoobank.org:act:
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AEAC0171-1130-4C9B-B8B0-
<collectingCountry box="[1299,1344,1736,1753]" name="Chad" pageId="35" pageNumber="344">CAD</collectingCountry>
63145C860
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</paragraph>
</subSubSection>
<subSubSection pageId="35" pageNumber="344" type="reference_group">
<paragraph blockId="35.[811,1457,1796,2027]" pageId="35" pageNumber="344">
<emphasis box="[813,962,1796,1820]" italics="true" pageId="35" pageNumber="344">Cyclococcolithus</emphasis>
sp.
<bibRefCitation author="STEURBAUT E." box="[1025,1233,1796,1820]" pageId="35" pageNumber="344" pagination="47 - 62" refId="ref43472" refString="STEURBAUT E. 1990. - Calcareous nannoplankton assemblages from the Tertiary in the Knokke borehole, in LAGA P. &amp; VAN- DENBERGHE N. (eds), The Knokke well (11 E / 138) with a description of the Den Haan (22 W / 276) and Oostduinkerke (35 E / 142) wells. Memoires pour servir a l'Explication des Cartes geologiques et Minieres de la Belgique 29: 47 - 62." type="journal article" year="1990">Steurbaut 1990: 187</bibRefCitation>
, pl. 1, figs 9, 10 (non figs 8, 11).
</paragraph>
<paragraph blockId="35.[811,1457,1796,2027]" box="[813,1343,1865,1889]" pageId="35" pageNumber="344">
<emphasis box="[813,961,1865,1889]" italics="true" pageId="35" pageNumber="344">Cyclococcolithus</emphasis>
sp.
<bibRefCitation author="DAMBLON F. &amp; STEURBAUT E." box="[1019,1339,1865,1889]" pageId="35" pageNumber="344" pagination="19 - 48" refId="ref37742" refString="DAMBLON F. &amp; STEURBAUT E. 2000. - Gobertange: site geologique remarquable, in La Gobertange - Une pierre, des hommes. ASBL Gobertange 2000, Cera Holding: 19 - 48." type="book chapter" year="2000">Damblon &amp; Steurbaut 2000: 28</bibRefCitation>
.
</paragraph>
</subSubSection>
<subSubSection lastPageId="36" lastPageNumber="345" pageId="35" pageNumber="344" type="materials_examined">
<paragraph blockId="35.[811,1457,1796,2027]" pageId="35" pageNumber="344">
<materialsCitation ID-GBIF-Occurrence="3125291330" collectionCode="IRSNB, RBINS" pageId="35" pageNumber="344" specimenCount="1" typeStatus="holotype">
<typeStatus box="[813,919,1907,1930]" pageId="35" pageNumber="344">HOLOTYPE</typeStatus>
. —
<figureCitation box="[965,1053,1907,1931]" captionStart="FIG" captionStartId="40.[132,143,1758,1775]" captionTargetBox="[227,1361,215,1674]" captionTargetId="figure-31@40.[793,1362,761,1311]" captionTargetPageId="40" captionText="FIG. 19. — New or less known calcareous nannofossil taxa from the Eocene of the Mont-des-Récollets and other localities in Belgium. Pars 2: A, Nannoturba jolotteana Steurbaut, 2011, Mont-des-Récollets, 104.35 m, d = 15.2 µm (IRSNB b7120); B, C, Luminocanthus eolutetiensis n. gen., n. sp.; B, Vlakte van de Raan BH, 81.45 m depth, holotype, d = 9 µm (IRSNB b7121); C, Vlakte van de Raan BH, 79.95 m depth, paratype, d = 9 µm (IRSNB b7122); D-F, Nannoturba joceliniae n. sp., Mont-des-Récollets; D, 122.85 m, holotype, wm = 17 µm (IRSNB b7123); E, 123.50 m, paratype, wm = 13 µm (IRSNB b7124); F, 122.85 m, paratype, wm = 13 µm (IRSNB b7125); G-J, Luminocanthus plenilutetiensis n. gen., n. sp.; G, Mont-des-Récollets, 122.26-122.21 m, holotype, d = 8.4 µm (IRSNB b7126);H, Vossem, otolith sample Nolf 1974, paratype, d = 5.2 µm (IRSNB b7127); I, Prémontré, sample 12, paratype, d = 9.6 µm (IRSNB b7128); J, Knokke BH, 71.95 m depth, paratype, d = 6.7 µm (IRSNB b7129); K-N, Toweius brusselensis Steurbaut, 2011; K, Knokke BH, 97.50 m, paratype, d = 8.4 µm (IRSNB b6403); L, Mont-des-Récollets 122.85 m, l = 6 µm (IRSNB b7130); M, N, Vossem,otolith sample Nolf 1974, l = 4.6 µm (IRSNB b7131, b7132); O, Cribrocentrum sp. Isnes, sample 8, l = 5.9 µm (IRSNB b7133); P, Sphenolithus spiniger Bukry, 1971, Vossem,otolith sample Nolf 1974, h = 6.2 µm (IRSNB b7134); Q, Sphenolithus radians Deflandre in Grassé, 1952, Vossem, otolith sample Nolf 1974, h = 4.2 µm (IRSNB b7135); R, Sphenolithus moriformis (Bronnimann &amp; Stradner, 1960), Vossem, otolith sample Nolf 1974, h = 3.3 µm (IRSNB b7136); S-V, Pemma spp.; S, Mont-des-Récollets, 115.50 m, d = 9 µm (IRSNB b7137); T-V, Vossem, otolith sample Nolf 1974 (IRSNB b7138, b7139, b7140); T, d = 8.3 µm; U, d = 8.4 µm; V, d = 6.5 µm." figureDoi="http://doi.org/10.5281/zenodo.4891142" httpUri="https://zenodo.org/record/4891142/files/figure.png" pageId="35" pageNumber="344">Fig. 19G</figureCitation>
(
<collectionCode box="[1067,1141,1907,1931]" country="Belgium" httpUri="http://grbio.org/cool/c7r2-61q8" name="Institut Royal des Sciences Naturelles de Belgique" pageId="35" pageNumber="344">IRSNB</collectionCode>
b7126) (negatives stored in the collections of the
<collectionCode box="[986,1063,1934,1958]" country="Belgium" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35271" lsid="urn:lsid:biocol.org:col:35271" name="Royal Belgian Institute of Natural Sciences" pageId="35" pageNumber="344" type="Museum">RBINS</collectionCode>
).
</materialsCitation>
</paragraph>
<paragraph blockId="35.[811,1457,1796,2027]" lastBlockId="36.[130,777,215,1132]" lastPageId="36" lastPageNumber="345" pageId="35" pageNumber="344">
<materialsCitation ID-GBIF-Occurrence="3125291338" collectionCode="IRSNB" collectorName="Unit B &amp; Knokke BH" elevation="72" lastPageId="36" lastPageNumber="345" location="Vossem" municipality="Sand Formation" pageId="35" pageNumber="344" specimenCount="1" stateProvince="Region de Bruxelles-Capitale" typeStatus="paratype">
<typeStatus box="[813,913,1976,1999]" pageId="35" pageNumber="344">PARATYPES</typeStatus>
.
<emphasis box="[924,949,1977,2000]" italics="true" pageId="35" pageNumber="344"></emphasis>
2 figured specimens from the
<collectingRegion box="[1226,1293,1976,2000]" country="Belgium" name="Region de Bruxelles-Capitale" pageId="35" pageNumber="344">Brussel</collectingRegion>
<collectingMunicipality box="[1297,1453,1976,2000]" pageId="35" pageNumber="344">Sand Formation</collectingMunicipality>
: 1 from from
<location LSID="urn:lsid:plazi:treatment:1D2F9F2B9A32FFC1FCA2F99EDE65BCE6:905978E69A32FFC6FC76F829DCC4BDF5" box="[941,1017,2003,2026]" municipality="Sand Formation" name="Vossem" pageId="35" pageNumber="344" stateProvince="Region de Bruxelles-Capitale">Vossem</location>
,
<collectorName box="[1028,1098,2003,2027]" pageId="35" pageNumber="344">Unit B</collectorName>
3 (
<figureCitation box="[1126,1217,2003,2027]" captionStart="FIG" captionStartId="40.[132,143,1758,1775]" captionTargetBox="[227,1361,215,1674]" captionTargetId="figure-31@40.[793,1362,761,1311]" captionTargetPageId="40" captionText="FIG. 19. — New or less known calcareous nannofossil taxa from the Eocene of the Mont-des-Récollets and other localities in Belgium. Pars 2: A, Nannoturba jolotteana Steurbaut, 2011, Mont-des-Récollets, 104.35 m, d = 15.2 µm (IRSNB b7120); B, C, Luminocanthus eolutetiensis n. gen., n. sp.; B, Vlakte van de Raan BH, 81.45 m depth, holotype, d = 9 µm (IRSNB b7121); C, Vlakte van de Raan BH, 79.95 m depth, paratype, d = 9 µm (IRSNB b7122); D-F, Nannoturba joceliniae n. sp., Mont-des-Récollets; D, 122.85 m, holotype, wm = 17 µm (IRSNB b7123); E, 123.50 m, paratype, wm = 13 µm (IRSNB b7124); F, 122.85 m, paratype, wm = 13 µm (IRSNB b7125); G-J, Luminocanthus plenilutetiensis n. gen., n. sp.; G, Mont-des-Récollets, 122.26-122.21 m, holotype, d = 8.4 µm (IRSNB b7126);H, Vossem, otolith sample Nolf 1974, paratype, d = 5.2 µm (IRSNB b7127); I, Prémontré, sample 12, paratype, d = 9.6 µm (IRSNB b7128); J, Knokke BH, 71.95 m depth, paratype, d = 6.7 µm (IRSNB b7129); K-N, Toweius brusselensis Steurbaut, 2011; K, Knokke BH, 97.50 m, paratype, d = 8.4 µm (IRSNB b6403); L, Mont-des-Récollets 122.85 m, l = 6 µm (IRSNB b7130); M, N, Vossem,otolith sample Nolf 1974, l = 4.6 µm (IRSNB b7131, b7132); O, Cribrocentrum sp. Isnes, sample 8, l = 5.9 µm (IRSNB b7133); P, Sphenolithus spiniger Bukry, 1971, Vossem,otolith sample Nolf 1974, h = 6.2 µm (IRSNB b7134); Q, Sphenolithus radians Deflandre in Grassé, 1952, Vossem, otolith sample Nolf 1974, h = 4.2 µm (IRSNB b7135); R, Sphenolithus moriformis (Bronnimann &amp; Stradner, 1960), Vossem, otolith sample Nolf 1974, h = 3.3 µm (IRSNB b7136); S-V, Pemma spp.; S, Mont-des-Récollets, 115.50 m, d = 9 µm (IRSNB b7137); T-V, Vossem, otolith sample Nolf 1974 (IRSNB b7138, b7139, b7140); T, d = 8.3 µm; U, d = 8.4 µm; V, d = 6.5 µm." figureDoi="http://doi.org/10.5281/zenodo.4891142" httpUri="https://zenodo.org/record/4891142/files/figure.png" pageId="35" pageNumber="344">Fig. 19H</figureCitation>
) (
<collectionCode box="[1239,1312,2003,2027]" country="Belgium" httpUri="http://grbio.org/cool/c7r2-61q8" name="Institut Royal des Sciences Naturelles de Belgique" pageId="35" pageNumber="344">IRSNB</collectionCode>
b7127) and 1 from the
<collectorName box="[220,338,215,239]" pageId="36" pageNumber="345">Knokke BH</collectorName>
(
<bibRefCitation author="STEURBAUT E." box="[351,499,215,239]" pageId="36" pageNumber="345" pagination="47 - 62" refId="ref43472" refString="STEURBAUT E. 1990. - Calcareous nannoplankton assemblages from the Tertiary in the Knokke borehole, in LAGA P. &amp; VAN- DENBERGHE N. (eds), The Knokke well (11 E / 138) with a description of the Den Haan (22 W / 276) and Oostduinkerke (35 E / 142) wells. Memoires pour servir a l'Explication des Cartes geologiques et Minieres de la Belgique 29: 47 - 62." type="journal article" year="1990">Steurbaut 1990</bibRefCitation>
: pl. 1, fig. 9),
<elevation box="[632,775,215,239]" metricMagnitude="1" metricUnit="m" metricValue="7.195" pageId="36" pageNumber="345" unit="m" value="71.95">
<quantity box="[632,714,215,239]" metricMagnitude="1" metricUnit="m" metricValue="7.195" pageId="36" pageNumber="345" unit="m" value="71.95">71.95 m</quantity>
depth
</elevation>
(
<figureCitation box="[140,216,242,266]" captionStart="FIG" captionStartId="40.[132,143,1758,1775]" captionTargetBox="[227,1361,215,1674]" captionTargetId="figure-31@40.[793,1362,761,1311]" captionTargetPageId="40" captionText="FIG. 19. — New or less known calcareous nannofossil taxa from the Eocene of the Mont-des-Récollets and other localities in Belgium. Pars 2: A, Nannoturba jolotteana Steurbaut, 2011, Mont-des-Récollets, 104.35 m, d = 15.2 µm (IRSNB b7120); B, C, Luminocanthus eolutetiensis n. gen., n. sp.; B, Vlakte van de Raan BH, 81.45 m depth, holotype, d = 9 µm (IRSNB b7121); C, Vlakte van de Raan BH, 79.95 m depth, paratype, d = 9 µm (IRSNB b7122); D-F, Nannoturba joceliniae n. sp., Mont-des-Récollets; D, 122.85 m, holotype, wm = 17 µm (IRSNB b7123); E, 123.50 m, paratype, wm = 13 µm (IRSNB b7124); F, 122.85 m, paratype, wm = 13 µm (IRSNB b7125); G-J, Luminocanthus plenilutetiensis n. gen., n. sp.; G, Mont-des-Récollets, 122.26-122.21 m, holotype, d = 8.4 µm (IRSNB b7126);H, Vossem, otolith sample Nolf 1974, paratype, d = 5.2 µm (IRSNB b7127); I, Prémontré, sample 12, paratype, d = 9.6 µm (IRSNB b7128); J, Knokke BH, 71.95 m depth, paratype, d = 6.7 µm (IRSNB b7129); K-N, Toweius brusselensis Steurbaut, 2011; K, Knokke BH, 97.50 m, paratype, d = 8.4 µm (IRSNB b6403); L, Mont-des-Récollets 122.85 m, l = 6 µm (IRSNB b7130); M, N, Vossem,otolith sample Nolf 1974, l = 4.6 µm (IRSNB b7131, b7132); O, Cribrocentrum sp. Isnes, sample 8, l = 5.9 µm (IRSNB b7133); P, Sphenolithus spiniger Bukry, 1971, Vossem,otolith sample Nolf 1974, h = 6.2 µm (IRSNB b7134); Q, Sphenolithus radians Deflandre in Grassé, 1952, Vossem, otolith sample Nolf 1974, h = 4.2 µm (IRSNB b7135); R, Sphenolithus moriformis (Bronnimann &amp; Stradner, 1960), Vossem, otolith sample Nolf 1974, h = 3.3 µm (IRSNB b7136); S-V, Pemma spp.; S, Mont-des-Récollets, 115.50 m, d = 9 µm (IRSNB b7137); T-V, Vossem, otolith sample Nolf 1974 (IRSNB b7138, b7139, b7140); T, d = 8.3 µm; U, d = 8.4 µm; V, d = 6.5 µm." figureDoi="http://doi.org/10.5281/zenodo.4891142" httpUri="https://zenodo.org/record/4891142/files/figure.png" pageId="36" pageNumber="345">Fig. 19J</figureCitation>
) (
<collectionCode box="[234,307,242,266]" country="Belgium" httpUri="http://grbio.org/cool/c7r2-61q8" name="Institut Royal des Sciences Naturelles de Belgique" pageId="36" pageNumber="345">IRSNB</collectionCode>
b7129)
</materialsCitation>
;
<materialsCitation ID-GBIF-Occurrence="3125291319" collectionCode="IRSNB" county="Premontre" location="Glauconie Grossiere" municipality="Paris Basin" pageId="36" pageNumber="345" specimenCount="1" stateProvince="Region de Bruxelles-Capitale" typeStatus="paratype">
1 from
<collectingCounty box="[462,564,242,266]" pageId="36" pageNumber="345">Prémontré</collectingCounty>
(sample 12),
<collectingMunicipality pageId="36" pageNumber="345">Paris Basin</collectingMunicipality>
, base of the
<location LSID="urn:lsid:plazi:treatment:1D2F9F2B9A32FFC1FCA2F99EDE65BCE6:905978E69A35FFC1FECCFEF6DEE7BB3B" box="[279,474,268,292]" county="Premontre" municipality="Paris Basin" name="Glauconie Grossiere" pageId="36" pageNumber="345" stateProvince="Region de Bruxelles-Capitale">Glauconie Grossière</location>
s.s. (
<figureCitation box="[526,601,268,292]" captionStart="FIG" captionStartId="40.[132,143,1758,1775]" captionTargetBox="[227,1361,215,1674]" captionTargetId="figure-31@40.[793,1362,761,1311]" captionTargetPageId="40" captionText="FIG. 19. — New or less known calcareous nannofossil taxa from the Eocene of the Mont-des-Récollets and other localities in Belgium. Pars 2: A, Nannoturba jolotteana Steurbaut, 2011, Mont-des-Récollets, 104.35 m, d = 15.2 µm (IRSNB b7120); B, C, Luminocanthus eolutetiensis n. gen., n. sp.; B, Vlakte van de Raan BH, 81.45 m depth, holotype, d = 9 µm (IRSNB b7121); C, Vlakte van de Raan BH, 79.95 m depth, paratype, d = 9 µm (IRSNB b7122); D-F, Nannoturba joceliniae n. sp., Mont-des-Récollets; D, 122.85 m, holotype, wm = 17 µm (IRSNB b7123); E, 123.50 m, paratype, wm = 13 µm (IRSNB b7124); F, 122.85 m, paratype, wm = 13 µm (IRSNB b7125); G-J, Luminocanthus plenilutetiensis n. gen., n. sp.; G, Mont-des-Récollets, 122.26-122.21 m, holotype, d = 8.4 µm (IRSNB b7126);H, Vossem, otolith sample Nolf 1974, paratype, d = 5.2 µm (IRSNB b7127); I, Prémontré, sample 12, paratype, d = 9.6 µm (IRSNB b7128); J, Knokke BH, 71.95 m depth, paratype, d = 6.7 µm (IRSNB b7129); K-N, Toweius brusselensis Steurbaut, 2011; K, Knokke BH, 97.50 m, paratype, d = 8.4 µm (IRSNB b6403); L, Mont-des-Récollets 122.85 m, l = 6 µm (IRSNB b7130); M, N, Vossem,otolith sample Nolf 1974, l = 4.6 µm (IRSNB b7131, b7132); O, Cribrocentrum sp. Isnes, sample 8, l = 5.9 µm (IRSNB b7133); P, Sphenolithus spiniger Bukry, 1971, Vossem,otolith sample Nolf 1974, h = 6.2 µm (IRSNB b7134); Q, Sphenolithus radians Deflandre in Grassé, 1952, Vossem, otolith sample Nolf 1974, h = 4.2 µm (IRSNB b7135); R, Sphenolithus moriformis (Bronnimann &amp; Stradner, 1960), Vossem, otolith sample Nolf 1974, h = 3.3 µm (IRSNB b7136); S-V, Pemma spp.; S, Mont-des-Récollets, 115.50 m, d = 9 µm (IRSNB b7137); T-V, Vossem, otolith sample Nolf 1974 (IRSNB b7138, b7139, b7140); T, d = 8.3 µm; U, d = 8.4 µm; V, d = 6.5 µm." figureDoi="http://doi.org/10.5281/zenodo.4891142" httpUri="https://zenodo.org/record/4891142/files/figure.png" pageId="36" pageNumber="345">Fig. 19I</figureCitation>
) (
<collectionCode box="[620,693,268,292]" country="Belgium" httpUri="http://grbio.org/cool/c7r2-61q8" name="Institut Royal des Sciences Naturelles de Belgique" pageId="36" pageNumber="345">IRSNB</collectionCode>
b7128).
</materialsCitation>
DIAGNOSIS.
<emphasis box="[247,272,311,334]" italics="true" pageId="36" pageNumber="345"></emphasis>
Circular coccoliths consisting of two closely appressed shields, including a central disk covered by a series of irregularly oriented calcite laths and a smaller outer rim with numerous conspicuous slightly curved elements. Both areas are highly birefringent in cross-polarized light.
</paragraph>
</subSubSection>
<subSubSection pageId="36" pageNumber="345" type="etymology">
<paragraph blockId="36.[130,777,215,1132]" pageId="36" pageNumber="345">
DERIVATIO NOMINIS. —
<collectorName box="[374,433,459,483]" pageId="36" pageNumber="345">Refers</collectorName>
to its position within the
<collectorName box="[687,771,459,483]" pageId="36" pageNumber="345">Lutetian</collectorName>
, as its lowest occurrence is at the base of the coarse-grained sand facies of the
<collectorName box="[241,323,512,536]" pageId="36" pageNumber="345">Lutetian</collectorName>
(base of
<collectingRegion box="[415,484,512,536]" country="Belgium" name="Region de Bruxelles-Capitale" pageId="36" pageNumber="345">Brussel</collectingRegion>
<collectorName box="[492,651,512,536]" pageId="36" pageNumber="345">Sand Formation</collectorName>
in
<collectingCountry box="[686,771,512,536]" name="Belgium" pageId="36" pageNumber="345">Belgium</collectingCountry>
, base of
<collectorName box="[213,315,539,563]" pageId="36" pageNumber="345">Glauconie</collectorName>
grossière s.s. in the
<collectorName box="[519,629,539,563]" pageId="36" pageNumber="345">Paris Basin</collectorName>
), which overlie the basal
<collectorName box="[223,305,566,590]" pageId="36" pageNumber="345">Lutetian</collectorName>
fine-grained glauconitic sand facies, as identified in many outcrop and borehole sections in
<collectingCountry box="[531,612,593,617]" name="Belgium" pageId="36" pageNumber="345">Belgium</collectingCountry>
(
<collectorName box="[624,693,593,617]" pageId="36" pageNumber="345">Unit A</collectorName>
4) and at
<collectorName box="[131,326,619,643]" pageId="36" pageNumber="345">Chaumont-en-Vexin</collectorName>
(
<collectorName box="[340,539,619,643]" pageId="36" pageNumber="345">Chaumont-en-Vexin</collectorName>
sands) in the
<collectorName box="[668,775,619,643]" pageId="36" pageNumber="345">Paris Basin.</collectorName>
</paragraph>
</subSubSection>
<subSubSection pageId="36" pageNumber="345" type="materials_examined">
<paragraph blockId="36.[130,777,215,1132]" pageId="36" pageNumber="345">
<materialsCitation ID-GBIF-Occurrence="3125291334" pageId="36" pageNumber="345">
<collectionCode box="[132,275,662,685]" pageId="36" pageNumber="345">LOCUS TYPICUS</collectionCode>
. — Mont-des-Récollets,
<collectorName box="[513,702,661,685]" pageId="36" pageNumber="345">Grande Carrière, N</collectorName>
<collectingCountry box="[706,772,662,685]" name="France" pageId="36" pageNumber="345">France</collectingCountry>
;
<geoCoordinate box="[130,283,688,712]" degrees="50" direction="north" minutes="48" orientation="latitude" pageId="36" pageNumber="345" precision="1" seconds="02.74" value="50.800762">50°4802.74”N</geoCoordinate>
,
<geoCoordinate box="[293,425,688,712]" degrees="2" direction="east" minutes="30" orientation="longitude" pageId="36" pageNumber="345" precision="1" seconds="23.06" value="2.5064056">2°3023.06”E</geoCoordinate>
.
</materialsCitation>
</paragraph>
<paragraph blockId="36.[130,777,215,1132]" pageId="36" pageNumber="345">
<materialsCitation ID-GBIF-Occurrence="3125291318" pageId="36" pageNumber="345">
STRATUM TYPICUM.
<emphasis box="[332,357,730,753]" italics="true" pageId="36" pageNumber="345"></emphasis>
<collectingRegion box="[367,436,730,754]" country="Belgium" name="Region de Bruxelles-Capitale" pageId="36" pageNumber="345">Brussel</collectingRegion>
Sand Formation, base of
<collectorName box="[695,765,730,754]" pageId="36" pageNumber="345">Unit B</collectorName>
3 (122.26-
<quantity box="[219,316,756,781]" metricMagnitude="2" metricUnit="m" metricValue="1.2221" pageId="36" pageNumber="345" unit="m" value="122.21">
<elevation box="[219,316,756,781]" metricMagnitude="2" metricUnit="m" metricValue="1.2221" pageId="36" pageNumber="345" unit="m" value="122.21">122.21 m</elevation>
</quantity>
); lower middle part of NP14.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="36" pageNumber="345" type="description">
<paragraph blockId="36.[130,777,215,1132]" pageId="36" pageNumber="345">
DIMENSIONS. — Diameter = 5.0 to
<quantity box="[475,545,798,823]" metricMagnitude="-3" metricUnit="m" metricValue="9.6" pageId="36" pageNumber="345" unit="mm" value="9.6">9.6 µm</quantity>
(
<typeStatus box="[557,646,798,822]" pageId="36" pageNumber="345">holotype</typeStatus>
: d =
<quantity box="[691,764,798,822]" metricMagnitude="-3" metricUnit="m" metricValue="8.4" pageId="36" pageNumber="345" unit="mm" value="8.4">8.4 µm</quantity>
). DISTRIBUTION. —
<taxonomicName box="[322,610,840,864]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Luminocanthus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Coccosphaerales" pageId="36" pageNumber="345" phylum="Haptophyta" rank="species" species="plenilutetiensis" status="n. gen., n. sp.">
<emphasis box="[322,610,840,864]" italics="true" pageId="36" pageNumber="345">Luminocanthus plenilutetiensis</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[616,753,841,865]" pageId="36" pageNumber="345" rank="species">n. gen., n. sp.</taxonomicNameLabel>
is known from many Lutetian outcrop and borehole sections in the southern North Sea Basin, including the historical stratotype area (e.g. from the base and the upper part of the Glauconie Grossière s.s. at Prémontré (
<figureCitation box="[312,388,947,971]" captionStart="FIG" captionStartId="40.[132,143,1758,1775]" captionTargetBox="[227,1361,215,1674]" captionTargetId="figure-31@40.[793,1362,761,1311]" captionTargetPageId="40" captionText="FIG. 19. — New or less known calcareous nannofossil taxa from the Eocene of the Mont-des-Récollets and other localities in Belgium. Pars 2: A, Nannoturba jolotteana Steurbaut, 2011, Mont-des-Récollets, 104.35 m, d = 15.2 µm (IRSNB b7120); B, C, Luminocanthus eolutetiensis n. gen., n. sp.; B, Vlakte van de Raan BH, 81.45 m depth, holotype, d = 9 µm (IRSNB b7121); C, Vlakte van de Raan BH, 79.95 m depth, paratype, d = 9 µm (IRSNB b7122); D-F, Nannoturba joceliniae n. sp., Mont-des-Récollets; D, 122.85 m, holotype, wm = 17 µm (IRSNB b7123); E, 123.50 m, paratype, wm = 13 µm (IRSNB b7124); F, 122.85 m, paratype, wm = 13 µm (IRSNB b7125); G-J, Luminocanthus plenilutetiensis n. gen., n. sp.; G, Mont-des-Récollets, 122.26-122.21 m, holotype, d = 8.4 µm (IRSNB b7126);H, Vossem, otolith sample Nolf 1974, paratype, d = 5.2 µm (IRSNB b7127); I, Prémontré, sample 12, paratype, d = 9.6 µm (IRSNB b7128); J, Knokke BH, 71.95 m depth, paratype, d = 6.7 µm (IRSNB b7129); K-N, Toweius brusselensis Steurbaut, 2011; K, Knokke BH, 97.50 m, paratype, d = 8.4 µm (IRSNB b6403); L, Mont-des-Récollets 122.85 m, l = 6 µm (IRSNB b7130); M, N, Vossem,otolith sample Nolf 1974, l = 4.6 µm (IRSNB b7131, b7132); O, Cribrocentrum sp. Isnes, sample 8, l = 5.9 µm (IRSNB b7133); P, Sphenolithus spiniger Bukry, 1971, Vossem,otolith sample Nolf 1974, h = 6.2 µm (IRSNB b7134); Q, Sphenolithus radians Deflandre in Grassé, 1952, Vossem, otolith sample Nolf 1974, h = 4.2 µm (IRSNB b7135); R, Sphenolithus moriformis (Bronnimann &amp; Stradner, 1960), Vossem, otolith sample Nolf 1974, h = 3.3 µm (IRSNB b7136); S-V, Pemma spp.; S, Mont-des-Récollets, 115.50 m, d = 9 µm (IRSNB b7137); T-V, Vossem, otolith sample Nolf 1974 (IRSNB b7138, b7139, b7140); T, d = 8.3 µm; U, d = 8.4 µm; V, d = 6.5 µm." figureDoi="http://doi.org/10.5281/zenodo.4891142" httpUri="https://zenodo.org/record/4891142/files/figure.png" pageId="36" pageNumber="345">Fig. 19I</figureCitation>
) and Margival respectively). In
<collectingCountry box="[693,775,947,971]" name="Belgium" pageId="36" pageNumber="345">Belgium</collectingCountry>
it is consistently present from the base (Unit B1) up to the top of the
<collectingRegion box="[131,199,1000,1024]" country="Belgium" name="Region de Bruxelles-Capitale" pageId="36" pageNumber="345">Brussel</collectingRegion>
Sand Formation (e.g. Isnes quarry) and seems to be restricted to it. At the Mont-des-Récollets there is a major influx (also the first occurring specimens) at the base of Unit B2b. It has been recorded in Unit C2 (sample
<quantity box="[325,396,1081,1105]" metricMagnitude="1" metricUnit="m" metricValue="5.08" pageId="36" pageNumber="345" unit="m" value="50.8">50.8 m</quantity>
) of the Aktulagay section, attributed to NP14, although in very low numbers (Steurbaut in
<bibRefCitation author="KING C. &amp; IAKOVLEVA A. &amp; STEURBAUT E. &amp; CLAUSEN C. &amp; WARD D." box="[610,760,1107,1132]" pageId="36" pageNumber="345" pagination="171 - 209" refId="ref40572" refString="KING C., IAKOVLEVA A., STEURBAUT E., HEILMANN- CLAUSEN C. &amp; WARD D. 2013. - The Aktulagay section, west Kazakhstan: a key site for northern mid-latitude Early Eocene stratigraphy. Stratigraphy 10 (3): 171 - 209." type="journal article" year="2013">
King
<emphasis box="[664,708,1107,1131]" italics="true" pageId="36" pageNumber="345">et al.</emphasis>
2013
</bibRefCitation>
).
</paragraph>
<paragraph blockId="36.[130,777,1181,1528]" box="[132,276,1181,1207]" pageId="36" pageNumber="345">DESCRIPTION</paragraph>
<paragraph blockId="36.[130,777,1181,1528]" pageId="36" pageNumber="345">
These rather small (generally around
<quantity box="[530,587,1213,1239]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" pageId="36" pageNumber="345" unit="mm" value="7.0">7 µm</quantity>
in diameter) and thick circular coccoliths consist of two closely appressed shields. The distal shield has a prominent outer rim including 32 to 38 elements, displaying laevogyre element curvature in distal view (
<figureCitation box="[196,293,1341,1367]" captionStart="FIG" captionStartId="40.[132,143,1758,1775]" captionTargetBox="[227,1361,215,1674]" captionTargetId="figure-31@40.[793,1362,761,1311]" captionTargetPageId="40" captionText="FIG. 19. — New or less known calcareous nannofossil taxa from the Eocene of the Mont-des-Récollets and other localities in Belgium. Pars 2: A, Nannoturba jolotteana Steurbaut, 2011, Mont-des-Récollets, 104.35 m, d = 15.2 µm (IRSNB b7120); B, C, Luminocanthus eolutetiensis n. gen., n. sp.; B, Vlakte van de Raan BH, 81.45 m depth, holotype, d = 9 µm (IRSNB b7121); C, Vlakte van de Raan BH, 79.95 m depth, paratype, d = 9 µm (IRSNB b7122); D-F, Nannoturba joceliniae n. sp., Mont-des-Récollets; D, 122.85 m, holotype, wm = 17 µm (IRSNB b7123); E, 123.50 m, paratype, wm = 13 µm (IRSNB b7124); F, 122.85 m, paratype, wm = 13 µm (IRSNB b7125); G-J, Luminocanthus plenilutetiensis n. gen., n. sp.; G, Mont-des-Récollets, 122.26-122.21 m, holotype, d = 8.4 µm (IRSNB b7126);H, Vossem, otolith sample Nolf 1974, paratype, d = 5.2 µm (IRSNB b7127); I, Prémontré, sample 12, paratype, d = 9.6 µm (IRSNB b7128); J, Knokke BH, 71.95 m depth, paratype, d = 6.7 µm (IRSNB b7129); K-N, Toweius brusselensis Steurbaut, 2011; K, Knokke BH, 97.50 m, paratype, d = 8.4 µm (IRSNB b6403); L, Mont-des-Récollets 122.85 m, l = 6 µm (IRSNB b7130); M, N, Vossem,otolith sample Nolf 1974, l = 4.6 µm (IRSNB b7131, b7132); O, Cribrocentrum sp. Isnes, sample 8, l = 5.9 µm (IRSNB b7133); P, Sphenolithus spiniger Bukry, 1971, Vossem,otolith sample Nolf 1974, h = 6.2 µm (IRSNB b7134); Q, Sphenolithus radians Deflandre in Grassé, 1952, Vossem, otolith sample Nolf 1974, h = 4.2 µm (IRSNB b7135); R, Sphenolithus moriformis (Bronnimann &amp; Stradner, 1960), Vossem, otolith sample Nolf 1974, h = 3.3 µm (IRSNB b7136); S-V, Pemma spp.; S, Mont-des-Récollets, 115.50 m, d = 9 µm (IRSNB b7137); T-V, Vossem, otolith sample Nolf 1974 (IRSNB b7138, b7139, b7140); T, d = 8.3 µm; U, d = 8.4 µm; V, d = 6.5 µm." figureDoi="http://doi.org/10.5281/zenodo.4891142" httpUri="https://zenodo.org/record/4891142/files/figure.png" pageId="36" pageNumber="345">Fig. 19G</figureCitation>
), and an inner concave area with less-well visible irregularly oriented elements. Both zones are not sharply delimited in distal view and show high birefringence under crossed nicols. The conspicuous swastika-like extinction cross has a laevogyre outline in the central area in distal view. It widens and is somewhat blurry in the outer rim.
</paragraph>
</subSubSection>
<subSubSection pageId="36" pageNumber="345" type="discussion">
<paragraph blockId="36.[130,778,1566,1785]" box="[132,261,1566,1592]" pageId="36" pageNumber="345">DISCUSSION</paragraph>
<paragraph blockId="36.[130,778,1566,1785]" pageId="36" pageNumber="345">
The extinction figure of the
<typeStatus box="[445,491,1599,1625]" pageId="36" pageNumber="345">type</typeStatus>
species is quite similar to that of
<taxonomicName authority="(Muller, 1970)" baseAuthorityName="Muller" baseAuthorityYear="1970" box="[217,494,1630,1657]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Luminocanthus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Coccosphaerales" pageId="36" pageNumber="345" phylum="Haptophyta" rank="species" species="hirsitus" status="n. comb.">
<emphasis box="[217,324,1630,1656]" italics="true" pageId="36" pageNumber="345">L. hirsitus</emphasis>
(
<bibRefCitation author="MULLER C." box="[340,484,1630,1656]" pageId="36" pageNumber="345" pagination="82 - 101" refId="ref42128" refString="MULLER C. 1970. - Nannoplankton aus dem Mittel-Oligozan von Norddeutschland und Belgien. Neues Jahrbuch fur Geologie und Palaontologie Abhandlungen 135 (1): 82 - 101." type="journal article" year="1970">Müller, 1970</bibRefCitation>
)
</taxonomicName>
<taxonomicNameLabel box="[502,602,1630,1657]" pageId="36" pageNumber="345" rank="species">n. comb.</taxonomicNameLabel>
from the lower Middle Oligocene of
<collectingCountry box="[357,450,1662,1688]" name="Belgium" pageId="36" pageNumber="345">Belgium</collectingCountry>
, suggesting a close relationship. However, coccoliths of the latter seem to have a much broader outer rim. The differences with
<taxonomicName box="[473,622,1727,1753]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Luminocanthus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Coccosphaerales" pageId="36" pageNumber="345" phylum="Haptophyta" rank="species" species="eolutetiensis" status="n. gen., n. sp.">
<emphasis box="[473,622,1727,1753]" italics="true" pageId="36" pageNumber="345">L. eolutetiensis</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[629,775,1727,1753]" pageId="36" pageNumber="345" rank="species">n. gen., n. sp.</taxonomicNameLabel>
are discussed above.
</paragraph>
</subSubSection>
</treatment>
</document>